diff --git a/.Rbuildignore b/.Rbuildignore index 927085c..83c1025 100644 --- a/.Rbuildignore +++ b/.Rbuildignore @@ -8,3 +8,12 @@ ^README\.Rmd$ ^[.]?air[.]toml$ ^\.vscode$ +^node_modules(/|$) +^package\.json$ +^package-lock\.json$ +^tsconfig\.json$ +^\.worktrees(/|$) +^srcts(/|$) +^tools/check-js\.mjs$ +^tools/update-vega\.sh$ +CLAUDE\.md diff --git a/.github/workflows/js-check.yaml b/.github/workflows/js-check.yaml new file mode 100644 index 0000000..2849c08 --- /dev/null +++ b/.github/workflows/js-check.yaml @@ -0,0 +1,28 @@ +on: + push: + branches: [main, master] + pull_request: + workflow_dispatch: + +name: js-check.yaml + +permissions: read-all + +jobs: + js-check: + runs-on: ubuntu-latest + + steps: + - uses: actions/checkout@v4 + + - name: Setup Node.js + uses: actions/setup-node@v4 + with: + node-version: "22" + cache: npm + + - name: Install dependencies + run: npm ci + + - name: Run JS checks + run: npm run check diff --git a/.gitignore b/.gitignore index 985eb21..0ea1aed 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1,5 @@ docs +node_modules +.worktrees .claude src/vendor diff --git a/CLAUDE.md b/CLAUDE.md index 8befd67..664d460 100644 --- a/CLAUDE.md +++ b/CLAUDE.md @@ -51,6 +51,7 @@ Rust crate src/rust/ (depends on `ggsql` crate + polars + duckdb + extendr-api) | `tools/config.R` | Detects `DEBUG`, `NOT_CRAN`, webR/wasm target, vendor presence, and emits `src/Makevars{,.win}`. | | `tools/msrv.R` | Enforces Rust MSRV (read from DESCRIPTION `SystemRequirements`). | | `inst/ggsql.xml` | KDE-syntax highlighting definition installed for the knitr engine (added to Pandoc via `--syntax-definition`). | +| `srcts/` | TypeScript source of truth for the htmlwidgets runtime. `srcts/index.ts` bundles to `inst/htmlwidgets/ggsql_vega.js`; `srcts/vega/*.test.ts` covers widget behavior in Node. | | `inst/test_chunks.qmd` | Fixture Quarto doc used by engine tests. | | `vignettes/` | Quarto vignettes (`ggsql.qmd`, `engine.qmd`). `VignetteBuilder: quarto`. | | `tests/testthat/` | `test-engine.R`, `test-reader.R`, `test-spec.R`, `test-validate.R`, `test-writer.R` plus `_snaps/`. | @@ -80,6 +81,22 @@ recompiles) or `rextendr::document()` (also regenerates Offline/CRAN builds rely on `src/rust/vendor.tar.xz` (cargo vendor archive). If you bump Rust deps, regenerate the archive so CRAN builds keep working. +## TypeScript / JavaScript assets + +`srcts/` is the source of truth for the browser-side widget code. The built +artifact checked into the package is `inst/htmlwidgets/ggsql_vega.js`. + +The browser-side visualization runtime lives in `srcts/`, while `R/widget.R`, +`R/shiny.R`, and `R/engine.R` are the main R entry points that hand specs off +to that runtime. Files under `inst/htmlwidgets/` are generated package assets +or vendored browser dependencies, so prefer editing `srcts/` and rebuilding +rather than patching built assets by hand. + +After making any change under `srcts/`, rebuild the generated asset with +`npm run build`. Before committing JS/TS changes, run `npm run check`; it +typechecks, rebuilds the bundle, runs the Node tests, and fails if the +checked-in generated asset drifted from the TypeScript source. + ## The FFI contract When adding or changing a Rust-exposed function: diff --git a/DESCRIPTION b/DESCRIPTION index ac0deee..df8ade3 100644 --- a/DESCRIPTION +++ b/DESCRIPTION @@ -23,6 +23,7 @@ RoxygenNote: 7.3.3 Imports: cli, htmltools, + htmlwidgets, jsonlite, knitr, nanoarrow, @@ -35,6 +36,7 @@ Suggests: reticulate, rmarkdown, rsvg, + shiny, testthat (>= 3.0.0), V8, withr @@ -45,4 +47,5 @@ Depends: VignetteBuilder: quarto URL: https://r.ggsql.org, https://github.com/posit-dev/ggsql-r Config/Needs/website: tidyverse/tidytemplate +Config/Needs/js: node BugReports: https://github.com/posit-dev/ggsql-r/issues diff --git a/NAMESPACE b/NAMESPACE index 1a82369..3b45e1f 100644 --- a/NAMESPACE +++ b/NAMESPACE @@ -15,6 +15,7 @@ S3method(print,ggsql_validated) S3method(str,Spec) export(custom_reader) export(duckdb_reader) +export(ggsqlOutput) export(ggsql_execute) export(ggsql_execute_sql) export(ggsql_has_visual) @@ -26,6 +27,7 @@ export(ggsql_metadata) export(ggsql_register) export(ggsql_render) export(ggsql_save) +export(ggsql_session_reader) export(ggsql_sql) export(ggsql_stat_data) export(ggsql_stat_sql) @@ -36,6 +38,7 @@ export(ggsql_validate) export(ggsql_visual) export(ggsql_warnings) export(odbc_reader) +export(renderGgsql) export(snowflake_reader) export(vegalite_writer) import(rlang) diff --git a/R/aaa.R b/R/aaa.R index 32263e7..414b822 100644 --- a/R/aaa.R +++ b/R/aaa.R @@ -30,5 +30,9 @@ check_r6 <- function( arg = caller_arg(x), call = caller_env() ) { - check_custom(x, function(x) R6::is.R6(x) && inherits(x, class), paste0("a ", class, "/R6 object")) + check_custom( + x, + function(x) R6::is.R6(x) && inherits(x, class), + paste0("a ", class, "/R6 object") + ) } diff --git a/R/engine.R b/R/engine.R index 693548d..92fda46 100644 --- a/R/engine.R +++ b/R/engine.R @@ -161,7 +161,7 @@ names.ggsql_tables <- function(x) { # Data reference resolution (r: and py: prefixes) # --------------------------------------------------------------------------- -resolve_data_refs <- function(query, reader) { +resolve_data_refs <- function(query, reader, envir) { refs <- gregexpr( "(?:r|py):[a-zA-Z_][a-zA-Z0-9_.]*", query, @@ -182,10 +182,10 @@ resolve_data_refs <- function(query, reader) { df <- switch( tolower(prefix), r = try_fetch( - get(name, envir = knitr::knit_global()), + get(name, envir = envir), error = function(cnd) { cli::cli_abort( - "Column reference {.code {ref}}: object {.val {name}} not found in R environment." + "Data reference {.code {ref}}: object {.val {name}} not found in R environment." ) } ), @@ -197,7 +197,7 @@ resolve_data_refs <- function(query, reader) { obj <- reticulate::py[[name]] if (is.null(obj)) { cli::cli_abort( - "Column reference {.code {ref}}: object {.val {name}} not found in Python environment." + "Data reference {.code {ref}}: object {.val {name}} not found in Python environment." ) } obj @@ -205,10 +205,18 @@ resolve_data_refs <- function(query, reader) { ) if (!is.data.frame(df)) { - cli::cli_abort("{.code {ref}} does not refer to a data frame.") + cli::cli_abort( + "{.code {ref}} refers to a {.cls {class(df)}} object, not a data frame." + ) } - internal_name <- paste0("__", prefix, "_", gsub(".", "_ggsqldot_", name, fixed = TRUE), "__") + internal_name <- paste0( + "__", + prefix, + "_", + gsub(".", "_ggsqldot_", name, fixed = TRUE), + "__" + ) ggsql_register(reader, df, internal_name, replace = TRUE) query <- gsub(ref, internal_name, query, fixed = TRUE) } @@ -216,115 +224,6 @@ resolve_data_refs <- function(query, reader) { query } -# --------------------------------------------------------------------------- -# Vega-Lite HTML rendering -# --------------------------------------------------------------------------- - -vegalite_html <- function( - spec_json, - width = NULL, - height = NULL, - asp = NULL, - caption = NULL, - align = "center" -) { - ggsql_env$vis_counter <- (ggsql_env$vis_counter %||% 0L) + 1L - vis_id <- paste0("ggsql-vis-", ggsql_env$vis_counter) - - # Convert fig.width/fig.height (inches) to pixels at 96 dpi, - # or use defaults if not specified - css_width <- if (!is.null(width)) { - if (is.numeric(width)) paste0(round(width * 96), "px") else width - } else { - "100%" - } - css_height <- if (!is.null(height)) { - if (is.numeric(height)) paste0(round(height * 96), "px") else height - } - css_height <- if (is.null(asp)) { - paste0("height: ", css_height %||% "400px") - } else { - paste0("aspect-ratio: ", asp) - } - - margin_style <- switch( - align %||% "center", - center = "margin-left: auto; margin-right: auto;", - right = "margin-left: auto;", - "" - ) - - html <- sprintf( - '
-
-
- -', - vis_id, - css_width, - margin_style, - vis_id, - css_height, - spec_json, - vis_id - ) - - if (!is.null(caption) && nzchar(caption)) { - html <- sprintf( - '
\n%s\n
%s
\n
', - html, - htmltools::htmlEscape(caption) - ) - } - - html -} - # --------------------------------------------------------------------------- # Inline chunk options (--| and #| prefix support) # --------------------------------------------------------------------------- @@ -413,7 +312,7 @@ ggsql_engine <- function(options) { } ggsql_engine_eval <- function(query, reader, options) { - query <- resolve_data_refs(query, reader) + query <- resolve_data_refs(query, reader, envir = knitr::knit_global()) validated <- ggsql_validate(query) if (!validated$has_visual) { @@ -455,27 +354,17 @@ ggsql_engine_eval <- function(query, reader, options) { switch( writer_type, vegalite = { - # Embed Vega-Lite spec directly with vega-embed from CDN. - # This avoids vegawidget version constraints (ggsql uses Vega-Lite v6). + if (!is.null(options$fig.cap) && nzchar(options$fig.cap)) { + cli::cli_warn(c( + "{.code fig.cap} is not supported for interactive HTML output.", + i = "Use {.code writer = \"vegalite_svg\"} or {.code writer = \"vegalite_png\"} for captioned figures." + )) + } writer <- vegalite_writer() json <- ggsql_render(writer, spec) - if (is.null(options$fig.dim)) { - width <- options$fig.width - height <- options$fig.height - asp <- options$fig.asp - } else { - width <- options$fig.dim[1] - height <- options$fig.dim[2] - asp <- NULL - } - out <- vegalite_html( - json, - width = width, - height = height, - asp = asp, - caption = options$fig.cap, - align = options$fig.align - ) + widget <- ggsql_widget(json) + out <- knitr::knit_print(widget, options = options) + knitr::knit_meta_add(attr(out, "knit_meta")) knitr::engine_output(options, options$code, out = out) }, vegalite_svg = render_static_figure(spec, "svg", options), diff --git a/R/reader.R b/R/reader.R index 420fd2a..7cbc380 100644 --- a/R/reader.R +++ b/R/reader.R @@ -126,7 +126,9 @@ build_odbc_uri <- function( } parts <- c( if (!is.null(dsn)) paste0("DSN=", dsn), - if (!is.null(driver)) paste0("Driver={", gsub("^\\{|\\}$", "", driver), "}"), + if (!is.null(driver)) { + paste0("Driver={", gsub("^\\{|\\}$", "", driver), "}") + }, if (!is.null(server)) paste0("Server=", server), if (!is.null(database)) paste0("Database=", database), if (!is.null(uid)) paste0("UID=", uid), @@ -482,7 +484,7 @@ ggsql_table_names <- function(reader) { #' ggsql_execute <- function(reader, query) { check_r6(reader, "Reader") - check_string(name, allow_empty = FALSE) + check_string(query, allow_empty = FALSE) spec_ptr <- reader$.ptr$execute(query) Spec$new(spec_ptr) } @@ -491,8 +493,7 @@ ggsql_execute <- function(reader, query) { #' @export ggsql_execute_sql <- function(reader, query) { check_r6(reader, "Reader") - check_string(name, allow_empty = FALSE) + check_string(query, allow_empty = FALSE) ipc_bytes <- reader$.ptr$execute_sql_ipc(query) ipc_to_df(ipc_bytes) } - diff --git a/R/shiny.R b/R/shiny.R new file mode 100644 index 0000000..a0e1072 --- /dev/null +++ b/R/shiny.R @@ -0,0 +1,164 @@ +#' Set the ggsql reader for the current Shiny session +#' +#' Registers a [duckdb_reader()] for use by all [renderGgsql()] outputs in the +#' current Shiny session. Must be called from within a Shiny server function +#' (i.e., while a session is active). The reader is automatically cleaned up +#' when the session ends. +#' +#' @param reader A `Reader` object created by [duckdb_reader()]. +#' @param session The Shiny session object. Defaults to the current session. +#' +#' @return The `reader`, invisibly. +#' +#' @export +#' +#' @examplesIf interactive() && requireNamespace("shiny", quietly = TRUE) +#' library(shiny) +#' +#' ui <- fluidPage( +#' ggsqlOutput("chart") +#' ) +#' +#' server <- function(input, output, session) { +#' ggsql_session_reader(duckdb_reader()) +#' +#' output$chart <- renderGgsql({ +#' "SELECT * FROM r:mtcars VISUALISE mpg AS x, disp AS y DRAW point" +#' }) +#' } +#' +#' shinyApp(ui, server) +ggsql_session_reader <- function( + reader, + session = shiny::getDefaultReactiveDomain() +) { + rlang::check_installed("shiny", reason = "for ggsql Shiny bindings.") + if (is.null(session)) { + cli::cli_abort( + "{.fn ggsql_session_reader} must be called from within a Shiny server function." + ) + } + session$userData$.ggsql_reader <- reader + # Drop the reference so GC can invoke the Rust finalizer on the DuckDB + # connection. Deterministic $close() doesn't exist yet on Reader. + session$onSessionEnded(function() { + session$userData$.ggsql_reader <- NULL + }) + invisible(reader) +} + +get_session_reader <- function(session) { + session$userData$.ggsql_reader +} + +#' Shiny bindings for ggsql +#' +#' Render ggsql visualizations in a Shiny application. `renderGgsql()` accepts +#' either a ggsql query string or a `Spec` object (returned by +#' [ggsql_execute()]). When given a string, it validates and executes the query +#' against `reader`. +#' +#' @param outputId Output variable to read from. +#' @param width,height CSS dimensions for the output container. +#' +#' @return `ggsqlOutput()` returns a Shiny UI element. `renderGgsql()` returns +#' a Shiny render function. +#' +#' @export +#' +#' @examplesIf interactive() && requireNamespace("shiny", quietly = TRUE) +#' library(shiny) +#' +#' ui <- fluidPage( +#' ggsqlOutput("chart") +#' ) +#' +#' server <- function(input, output, session) { +#' ggsql_session_reader(duckdb_reader()) +#' +#' output$chart <- renderGgsql({ +#' "SELECT * FROM r:mtcars VISUALISE mpg AS x, disp AS y DRAW point" +#' }) +#' } +#' +#' shinyApp(ui, server) +ggsqlOutput <- function(outputId, width = "100%", height = "400px") { + htmlwidgets::shinyWidgetOutput( + outputId, + name = "ggsql_vega", + width = width, + height = height, + package = "ggsql" + ) +} + +#' @param expr An expression that returns a ggsql query string or a `Spec` +#' object. Strings may contain `r:varname` references that resolve variables +#' from the expression's local scope (see Examples). +#' @param reader A `Reader` object created by [duckdb_reader()]. When `NULL` +#' (the default), the session reader set by [ggsql_session_reader()] is used. +#' @param env The environment in which to evaluate `expr`. +#' @param quoted Logical. Is `expr` a quoted expression? +#' +#' @rdname ggsqlOutput +#' @export +renderGgsql <- function( + expr, + reader = NULL, + env = parent.frame(), + quoted = FALSE +) { + if (!quoted) { + expr <- substitute(expr) + } + force(env) + + render_expr <- quote({ + eval_env <- new.env(parent = env) + value <- eval(expr, envir = eval_env) + + if (inherits(value, "htmlwidget")) { + return(value) + } + + if (inherits(value, "Spec")) { + json <- ggsql_render(vegalite_writer(), value) + return(ggsql_widget(json)) + } + + if (!is.character(value) || length(value) != 1L) { + cli::cli_abort( + "Expected a ggsql query string or a {.cls Spec} object, not {.cls {class(value)}}." + ) + } + + session <- shiny::getDefaultReactiveDomain() + r <- reader %||% get_session_reader(session) + if (is.null(r)) { + cli::cli_abort( + c( + "No ggsql reader available.", + i = "Call {.code ggsql_session_reader(duckdb_reader())} in your server function before using {.fn renderGgsql}.", + i = "Or pass a {.arg reader} argument directly to {.fn renderGgsql}." + ) + ) + } + query <- resolve_data_refs(value, r, envir = eval_env) + validated <- ggsql_validate(query) + if (!validated$has_visual) { + cli::cli_abort( + "{.fn renderGgsql} only accepts ggsql queries with a {.code VISUALISE} clause." + ) + } + spec <- ggsql_execute(r, query) + json <- ggsql_render(vegalite_writer(), spec) + ggsql_widget(json) + }) + + htmlwidgets::shinyRenderWidget( + render_expr, + ggsqlOutput, + env = environment(), + quoted = TRUE + ) +} diff --git a/R/spec.R b/R/spec.R index 4e38d60..2434ac7 100644 --- a/R/spec.R +++ b/R/spec.R @@ -11,8 +11,8 @@ Spec <- R6::R6Class( print = function(...) { json <- ggsql_render(vegalite_writer(), self) - html <- vegalite_html(json) - print(htmltools::browsable(htmltools::HTML(html))) + widget <- ggsql_widget(json) + print(widget) } ) ) @@ -39,22 +39,8 @@ knit_print.Spec <- function(x, ..., inline = FALSE) { writer_type, vegalite = { json <- ggsql_render(vegalite_writer(), x) - html <- vegalite_html( - json, - width = options$fig.width, - height = options$fig.height - ) - x <- htmltools::browsable(htmltools::HTML(html)) - deps <- htmltools::resolveDependencies(htmltools::findDependencies( - x, - tagify = FALSE - )) - knitr::asis_output( - sprintf("\n```{=html}\n%s\n```\n", x), - meta = if (length(deps)) { - list(deps) - } - ) + widget <- ggsql_widget(json) + knitr::knit_print(widget, options = options) }, vegalite_svg = , vegalite_png = { @@ -140,7 +126,7 @@ ggsql_layer_count <- function(spec) { #' @export ggsql_layer_data <- function(spec, index = 1L) { check_r6(spec, "Spec") - check_number_whole(index, min = 1L) + check_number_whole(index, min = 1) # Convert R 1-based to Rust 0-based ipc_bytes <- spec$.ptr$layer_data_ipc(as.integer(index - 1L)) if (is.null(ipc_bytes)) { @@ -153,7 +139,7 @@ ggsql_layer_data <- function(spec, index = 1L) { #' @export ggsql_stat_data <- function(spec, index = 1L) { check_r6(spec, "Spec") - check_number_whole(index, min = 1L) + check_number_whole(index, min = 1) ipc_bytes <- spec$.ptr$stat_data_ipc(as.integer(index - 1L)) if (is.null(ipc_bytes)) { return(NULL) @@ -165,7 +151,7 @@ ggsql_stat_data <- function(spec, index = 1L) { #' @export ggsql_layer_sql <- function(spec, index = 1L) { check_r6(spec, "Spec") - check_number_whole(index, min = 1L) + check_number_whole(index, min = 1) spec$.ptr$get_layer_sql(as.integer(index - 1L)) } @@ -173,7 +159,7 @@ ggsql_layer_sql <- function(spec, index = 1L) { #' @export ggsql_stat_sql <- function(spec, index = 1L) { check_r6(spec, "Spec") - check_number_whole(index, min = 1L) + check_number_whole(index, min = 1) spec$.ptr$get_stat_sql(as.integer(index - 1L)) } diff --git a/R/vega-versions.R b/R/vega-versions.R new file mode 100644 index 0000000..46dd720 --- /dev/null +++ b/R/vega-versions.R @@ -0,0 +1,6 @@ +# AUTO-GENERATED by tools/update-vega.sh — do not edit by hand. +# To update, change the version variables in tools/update-vega.sh and rerun it. + +vega_version <- "6.2.0" +vega_lite_version <- "6.4.2" +vega_embed_version <- "7.1.0" diff --git a/R/widget.R b/R/widget.R new file mode 100644 index 0000000..7b86530 --- /dev/null +++ b/R/widget.R @@ -0,0 +1,88 @@ +#' @noRd +ggsql_widget <- function( + spec_json, + width = NULL, + height = NULL +) { + widget <- htmlwidgets::createWidget( + name = "ggsql_vega", + x = list( + spec = jsonlite::parse_json(spec_json) + ), + width = width, + height = height, + sizingPolicy = htmlwidgets::sizingPolicy( + viewer.fill = TRUE, + browser.fill = TRUE, + knitr.figure = TRUE, + knitr.defaultWidth = "100%", + knitr.defaultHeight = "400px" + ), + package = "ggsql" + ) + widget$dependencies <- c( + widget$dependencies, + vega_dependencies(), + widget_dependencies() + ) + widget +} + +vega_dependencies <- function() { + list( + htmltools::htmlDependency( + name = "vega", + version = vega_version, + src = "htmlwidgets/lib/vega", + package = "ggsql", + script = "vega.min.js" + ), + htmltools::htmlDependency( + name = "vega-lite", + version = vega_lite_version, + src = "htmlwidgets/lib/vega-lite", + package = "ggsql", + script = "vega-lite.min.js" + ), + htmltools::htmlDependency( + name = "vega-embed", + version = vega_embed_version, + src = "htmlwidgets/lib/vega-embed", + package = "ggsql", + script = "vega-embed.min.js" + ) + ) +} + +widget_dependencies <- function() { + list( + htmltools::htmlDependency( + name = "ggsql-vega-styles", + version = utils::packageVersion("ggsql"), + src = "htmlwidgets", + package = "ggsql", + stylesheet = "ggsql_vega.css", + all_files = FALSE + ) + ) +} + +#' @noRd +widget_html.ggsql_vega <- function( + name, + package, + id, + style, + class, + inline = FALSE, + ... +) { + htmltools::tag( + "ggsql-vega", + list( + id = id, + style = paste0("display:block;", style), + class = class + ) + ) +} diff --git a/inst/htmlwidgets/ggsql_vega.css b/inst/htmlwidgets/ggsql_vega.css new file mode 100644 index 0000000..306b363 --- /dev/null +++ b/inst/htmlwidgets/ggsql_vega.css @@ -0,0 +1,17 @@ +ggsql-vega { + display: block; + width: 100%; + height: 100%; + overflow: hidden; +} + +ggsql-vega .ggsql-vega-scale-wrapper { + position: relative; + width: 100%; + height: 100%; + overflow: hidden; +} + +ggsql-vega .ggsql-vega-container { + transform-origin: top left; +} diff --git a/inst/htmlwidgets/ggsql_vega.js b/inst/htmlwidgets/ggsql_vega.js new file mode 100644 index 0000000..6f42a63 --- /dev/null +++ b/inst/htmlwidgets/ggsql_vega.js @@ -0,0 +1,305 @@ +"use strict"; +(() => { + // srcts/vega/compound_sizing.ts + var OUTER_PAD_X = 80; + var OUTER_PAD_Y = 120; + var LEGEND_WIDTH = 120; + var LEGEND_CHANNELS = /* @__PURE__ */ new Set([ + "color", + "fill", + "stroke", + "shape", + "size", + "opacity" + ]); + function isCompoundSpec(spec) { + return "facet" in spec || "hconcat" in spec || "vconcat" in spec || "concat" in spec; + } + function allocateCompoundChartSize(spec, layout) { + const paddingX = OUTER_PAD_X + (hasLegend(spec) ? LEGEND_WIDTH : 0); + const usableWidth = Math.max(layout.renderWidth - paddingX, 100); + const usableHeight = Math.max(layout.renderHeight - OUTER_PAD_Y, 100); + if ("facet" in spec) { + const facetSpec = spec; + const isGridFacet = facetSpec.facet.row != null || facetSpec.facet.column != null; + let columnCount; + let rowCount; + if (isGridFacet) { + columnCount = inferDistinctCount(facetSpec, facetSpec.facet.column?.field) || 1; + rowCount = inferDistinctCount(facetSpec, facetSpec.facet.row?.field) || 1; + } else { + columnCount = Math.max(facetSpec.columns || 1, 1); + rowCount = inferFacetRows(facetSpec, columnCount); + } + const cellWidth = Math.max(Math.floor(usableWidth / Math.max(columnCount, 1)), 1); + const cellHeight = Math.max(Math.floor(usableHeight / Math.max(rowCount, 1)), 1); + return { + ...facetSpec, + spec: { ...facetSpec.spec ?? {}, width: cellWidth, height: cellHeight } + }; + } + if ("hconcat" in spec) { + const hconcatSpec = spec; + const cellWidth = Math.max( + Math.floor(usableWidth / Math.max(hconcatSpec.hconcat.length, 1)), + 1 + ); + return { + ...hconcatSpec, + hconcat: hconcatSpec.hconcat.map((subspec) => ({ + ...subspec, + width: cellWidth, + height: usableHeight + })) + }; + } + if ("vconcat" in spec) { + const vconcatSpec = spec; + const cellHeight = Math.max( + Math.floor(usableHeight / Math.max(vconcatSpec.vconcat.length, 1)), + 1 + ); + return { + ...vconcatSpec, + vconcat: vconcatSpec.vconcat.map((subspec) => ({ + ...subspec, + width: usableWidth, + height: cellHeight + })) + }; + } + if ("concat" in spec) { + const concatSpec = spec; + const columnCount = Math.max(concatSpec.columns || concatSpec.concat.length || 1, 1); + const rowCount = Math.ceil(concatSpec.concat.length / columnCount); + const cellWidth = Math.max(Math.floor(usableWidth / Math.max(columnCount, 1)), 1); + const cellHeight = Math.max(Math.floor(usableHeight / Math.max(rowCount, 1)), 1); + return { + ...concatSpec, + concat: concatSpec.concat.map((subspec) => ({ + ...subspec, + width: cellWidth, + height: cellHeight + })) + }; + } + return { ...spec }; + } + function hasLegend(spec) { + const subSpecs = []; + if ("spec" in spec) subSpecs.push(spec.spec); + for (const key of ["hconcat", "vconcat", "concat"]) { + if (key in spec) subSpecs.push(...spec[key]); + } + for (const sub of subSpecs) { + const layers = Array.isArray(sub.layer) ? sub.layer : [sub]; + for (const layer of layers) { + const enc = layer.encoding; + if (!enc) continue; + for (const ch of LEGEND_CHANNELS) { + if (ch in enc && typeof enc[ch] === "object" && enc[ch] !== null && "field" in enc[ch]) { + return true; + } + } + } + } + return false; + } + function inferFacetRows(spec, columns) { + const count = inferDistinctCount(spec, spec.facet?.field); + if (count <= 0) return 1; + return Math.ceil(count / Math.max(columns, 1)); + } + function inferDistinctCount(spec, field) { + if (typeof field !== "string") return 0; + const values = spec.data && Array.isArray(spec.data.values) ? spec.data.values : null; + if (!values || values.length === 0) return 0; + const seen = /* @__PURE__ */ Object.create(null); + for (let i = 0; i < values.length; i += 1) { + if (!Object.prototype.hasOwnProperty.call(values[i], field)) continue; + seen[String(values[i][field])] = true; + } + return Object.keys(seen).length; + } + + // srcts/vega/widget.ts + var MIN_WIDTH = 450; + function readHostBox(el, width, height) { + const hostWidth = typeof width === "number" && width > 0 ? width : el.clientWidth || 0; + const styledHeight = typeof el.style.height === "string" && /px$/.test(el.style.height) ? parseFloat(el.style.height) : 0; + const hostHeight = typeof height === "number" && height > 0 ? height : el.clientHeight || styledHeight || 0; + return { hostWidth, hostHeight }; + } + function buildSimpleLayout(hostWidth, hostHeight) { + return { + hostWidth, + hostHeight, + renderWidth: Math.max(hostWidth, MIN_WIDTH), + renderHeight: hostHeight, + scale: hostWidth > 0 && hostWidth < MIN_WIDTH ? hostWidth / MIN_WIDTH : 1 + }; + } + var VegaWidget = class extends HTMLElement { + constructor() { + super(...arguments); + this._view = null; + this._value = null; + this._isCompound = false; + this._layout = null; + this._scaleWrapper = null; + this._vegaContainer = null; + this._embedToken = null; + } + disconnectedCallback() { + this.finalize(); + } + finalize() { + if (this._view) this._view.finalize(); + this._view = null; + this._layout = null; + this._embedToken = null; + this._scaleWrapper = null; + this._vegaContainer = null; + } + createStructure() { + this.innerHTML = ""; + const scaleWrapper = document.createElement("div"); + scaleWrapper.className = "ggsql-vega-scale-wrapper"; + const vegaContainer = document.createElement("div"); + vegaContainer.className = "ggsql-vega-container"; + scaleWrapper.appendChild(vegaContainer); + this.appendChild(scaleWrapper); + this._scaleWrapper = scaleWrapper; + this._vegaContainer = vegaContainer; + return vegaContainer; + } + applyLayout(layout) { + if (!this._scaleWrapper || !this._vegaContainer) return; + this._vegaContainer.style.width = `${layout.renderWidth}px`; + this._vegaContainer.style.height = `${layout.renderHeight}px`; + this._vegaContainer.style.transform = layout.scale < 1 ? `scale(${layout.scale})` : ""; + } + buildSimpleSpec(spec, layout) { + return { + ...spec, + width: layout.renderWidth, + height: layout.renderHeight, + autosize: { type: "fit", contains: "padding" } + }; + } + renderSimple(layout) { + const spec = this.buildSimpleSpec(this._value.spec, layout); + this.embedSpec(spec, layout); + } + // For simple (non-compound) specs, we can resize the existing Vega view + // in-place via its signal API, which is much cheaper than re-embedding. + resizeSimpleView(layout) { + if (!this._view) { + this.renderSimple(layout); + return; + } + const self = this; + const view = this._view; + this._layout = layout; + this.applyLayout(layout); + view.width(layout.renderWidth).height(layout.renderHeight).resize().runAsync().catch((err) => { + if (self._view !== view) return; + self.textContent = `ggsql render error: ${String(err)}`; + }); + } + // Compound specs (facet/concat) can't be resized via the Vega view API — + // their sub-chart dimensions are baked into the spec at embed time, so we + // must re-allocate sizes and re-embed on every meaningful resize. + renderCompound(layout) { + const spec = allocateCompoundChartSize(this._value.spec, layout); + this.embedSpec(spec, layout); + } + // Skip re-embed for sub-pixel container jitter (common during CSS transitions). + hasMaterialCompoundResize(nextLayout) { + if (!this._layout) return true; + return Math.abs(this._layout.hostWidth - nextLayout.hostWidth) > 1 || Math.abs(this._layout.hostHeight - nextLayout.hostHeight) > 1; + } + // Run vegaEmbed and wire up the result. Because vegaEmbed is async, a new + // renderValue() or resize() could fire before the promise resolves. We use + // a unique `token` object (compared by reference) so the stale callback can + // detect it's been superseded and clean up without clobbering the new view. + embedSpec(spec, layout) { + const self = this; + if (this._view) { + this._view.finalize(); + this._view = null; + } + const container = this.createStructure(); + const token = {}; + this._embedToken = token; + this._layout = layout; + this.applyLayout(layout); + window.vegaEmbed(container, spec, { actions: true }).then((result) => { + if (self._embedToken !== token || self._vegaContainer !== container) { + result.view.finalize(); + return; + } + self._view = result.view; + self.applyLayout(self._layout); + }).catch((err) => { + if (self._embedToken !== token || self._vegaContainer !== container) return; + self.textContent = `ggsql render error: ${String(err)}`; + }); + } + renderValue(x) { + const host = readHostBox(this); + this._value = x; + this._isCompound = isCompoundSpec(x.spec); + if (this._isCompound) { + this.renderCompound(buildSimpleLayout(host.hostWidth, host.hostHeight)); + return; + } + this.renderSimple(buildSimpleLayout(host.hostWidth, host.hostHeight)); + } + resize(width, height) { + if (!this._value) return; + const host = readHostBox(this, width, height); + const layout = buildSimpleLayout(host.hostWidth, host.hostHeight); + if (this._isCompound) { + if (this.hasMaterialCompoundResize(layout)) this.renderCompound(layout); + else { + this._layout = layout; + this.applyLayout(layout); + } + return; + } + if (!this._layout || this._layout.renderWidth !== layout.renderWidth || this._layout.renderHeight !== layout.renderHeight) { + this.resizeSimpleView(layout); + return; + } + this._layout = layout; + this.applyLayout(layout); + } + }; + + // srcts/index.ts + HTMLWidgets.widget({ + name: "ggsql_vega", + type: "output", + factory(el) { + return { + renderValue(x) { + el.renderValue(x); + }, + resize(width, height) { + el.resize(width, height); + } + }; + }, + renderError(el, err) { + el.finalize(); + el.textContent = err.message; + }, + clearError(el) { + el.textContent = ""; + } + }); + if (!customElements.get("ggsql-vega")) { + customElements.define("ggsql-vega", VegaWidget); + } +})(); diff --git a/inst/htmlwidgets/lib/vega-embed/vega-embed.min.js b/inst/htmlwidgets/lib/vega-embed/vega-embed.min.js new file mode 100644 index 0000000..c8233b4 --- /dev/null +++ b/inst/htmlwidgets/lib/vega-embed/vega-embed.min.js @@ -0,0 +1,7 @@ +!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t(require("vega"),require("vega-lite")):"function"==typeof define&&define.amd?define(["vega","vega-lite"],t):(e="undefined"!=typeof globalThis?globalThis:e||self).vegaEmbed=t(e.vega,e.vegaLite)}(this,(function(e,t){"use strict";function n(e){var t=Object.create(null);return e&&Object.keys(e).forEach((function(n){if("default"!==n){var r=Object.getOwnPropertyDescriptor(e,n);Object.defineProperty(t,n,r.get?r:{enumerable:!0,get:function(){return e[n]}})}})),t.default=e,Object.freeze(t)}var r,i=n(e),o=n(t),a=(r=function(e,t){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])},r(e,t)},function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}),s=Object.prototype.hasOwnProperty;function l(e,t){return s.call(e,t)}function c(e){if(Array.isArray(e)){for(var t=new Array(e.length),n=0;n=48&&t<=57))return!1;n++}return!0}function p(e){return-1===e.indexOf("/")&&-1===e.indexOf("~")?e:e.replace(/~/g,"~0").replace(/\//g,"~1")}function h(e){return e.replace(/~1/g,"/").replace(/~0/g,"~")}function u(e){if(void 0===e)return!0;if(e)if(Array.isArray(e)){for(var t=0,n=e.length;t0&&"constructor"==s[c-1]))throw new TypeError("JSON-Patch: modifying `__proto__` or `constructor/prototype` prop is banned for security reasons, if this was on purpose, please set `banPrototypeModifications` flag false and pass it to this function. 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n.filter(e=>e.name===i).length>0||t.project.hasSelectionId?n:n.concat({name:i,value:t.project.items.map(ru)})}},Yl="_curr",Xl="anim_value",Jl="anim_clock",Ql="eased_anim_clock",Kl="min_extent",Zl="max_range_extent",eu="last_tick_at",tu="is_playing",nu=1/60*1e3,iu={defined:e=>"point"===e.type,topLevelSignals:(e,t,n)=>($f(t)&&(n=n.concat([{name:Jl,init:"0",on:[{events:{type:"timer",throttle:nu},update:`${tu} ? 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fd=D({aria:1,clipHeight:1,columnPadding:1,columns:1,cornerRadius:1,description:1,direction:1,fillColor:1,format:1,formatType:1,gradientLength:1,gradientOpacity:1,gradientStrokeColor:1,gradientStrokeWidth:1,gradientThickness:1,gridAlign:1,labelAlign:1,labelBaseline:1,labelColor:1,labelFont:1,labelFontSize:1,labelFontStyle:1,labelFontWeight:1,labelLimit:1,labelOffset:1,labelOpacity:1,labelOverlap:1,labelPadding:1,labelSeparation:1,legendX:1,legendY:1,offset:1,orient:1,padding:1,rowPadding:1,strokeColor:1,symbolDash:1,symbolDashOffset:1,symbolFillColor:1,symbolLimit:1,symbolOffset:1,symbolOpacity:1,symbolSize:1,symbolStrokeColor:1,symbolStrokeWidth:1,symbolType:1,tickCount:1,tickMinStep:1,title:1,titleAlign:1,titleAnchor:1,titleBaseline:1,titleColor:1,titleFont:1,titleFontSize:1,titleFontStyle:1,titleFontWeight:1,titleLimit:1,titleLineHeight:1,titleOpacity:1,titleOrient:1,titlePadding:1,type:1,values:1,zindex:1,disable:1,labelExpr:1,selections:1,opacity:1,shape:1,stroke:1,fill:1,size:1,strokeWidth:1,strokeDash:1,encode:1});class dd extends bl{}const md={symbols:function(e,{fieldOrDatumDef:n,model:i,channel:r,legendCmpt:o,legendType:a}){if("symbol"!==a)return;const{markDef:s,encoding:c,config:l,mark:u}=i,f=s.filled&&"trail"!==u;let d={...qn({},i,vo),..._u(i,{filled:f})};const m=o.get("symbolOpacity")??l.legend.symbolOpacity,p=o.get("symbolFillColor")??l.legend.symbolFillColor,g=o.get("symbolStrokeColor")??l.legend.symbolStrokeColor,h=void 0===m?pd(c.opacity)??s.opacity:void 0;if(d.fill)if("fill"===r||f&&r===ve)delete d.fill;else if(Z(d.fill,"field"))p?delete d.fill:(d.fill=Tn(l.legend.symbolBaseFillColor??"black"),d.fillOpacity=Tn(h??1));else if(t.isArray(d.fill)){const e=gd(c.fill??c.color)??s.fill??(f&&s.color);e&&(d.fill=Tn(e))}if(d.stroke)if("stroke"===r||!f&&r===ve)delete d.stroke;else if(Z(d.stroke,"field")||g)delete d.stroke;else if(t.isArray(d.stroke)){const e=I(gd(c.stroke||c.color),s.stroke,f?s.color:void 0);e&&(d.stroke={value:e})}if(r!==Se){const e=da(n)&&yd(i,o,n);e?d.opacity=[{test:e,...Tn(h??1)},Tn(l.legend.unselectedOpacity)]:h&&(d.opacity=Tn(h))}return d={...d,...e},S(d)?void 0:d},gradient:function(e,{model:t,legendType:n,legendCmpt:i}){if("gradient"!==n)return;const{config:r,markDef:o,encoding:a}=t;let s={};const c=void 0===(i.get("gradientOpacity")??r.legend.gradientOpacity)?pd(a.opacity)||o.opacity:void 0;c&&(s.opacity=Tn(c));return s={...s,...e},S(s)?void 0:s},labels:function(e,{fieldOrDatumDef:t,model:n,channel:i,legendCmpt:r}){const o=n.legend(i)||{},a=n.config,s=da(t)?yd(n,r,t):void 0,c=s?[{test:s,value:1},{value:a.legend.unselectedOpacity}]:void 0,{format:l,formatType:u}=o;let f;qo(u)?f=Uo({fieldOrDatumDef:t,field:"datum.value",format:l,formatType:u,config:a}):void 0===l&&void 0===u&&a.customFormatTypes&&("quantitative"===t.type&&a.numberFormatType?f=Uo({fieldOrDatumDef:t,field:"datum.value",format:a.numberFormat,formatType:a.numberFormatType,config:a}):"temporal"===t.type&&a.timeFormatType&&da(t)&&void 0===t.timeUnit&&(f=Uo({fieldOrDatumDef:t,field:"datum.value",format:a.timeFormat,formatType:a.timeFormatType,config:a})));const d={...c?{opacity:c}:{},...f?{text:f}:{},...e};return S(d)?void 0:d},entries:function(e,{legendCmpt:t}){const n=t.get("selections");return n?.length?{...e,fill:{value:"transparent"}}:e}};function pd(e){return hd(e,(e,t)=>Math.max(e,t.value))}function gd(e){return hd(e,(e,t)=>I(e,t.value))}function hd(e,n){return function(e){const n=e?.condition;return!!n&&(t.isArray(n)||xa(n))}(e)?t.array(e.condition).reduce(n,e.value):xa(e)?e.value:void 0}function yd(e,n,i){const r=n.get("selections");if(!r?.length)return;const o=t.stringValue(i.field);return r.map(e=>`(!length(data(${t.stringValue(C(e)+mf)})) || (${e}[${o}] && indexof(${e}[${o}], datum.value) >= 0))`).join(" || ")}const vd={direction:({direction:e})=>e,format:({fieldOrDatumDef:e,legend:t,config:n})=>{const{format:i,formatType:r}=t;return Io(e,e.type,i,r,n,!1)},formatType:({legend:e,fieldOrDatumDef:t,scaleType:n})=>{const{formatType:i}=e;return Bo(i,t,n)},gradientLength:e=>{const{legend:t,legendConfig:n}=e;return t.gradientLength??n.gradientLength??function({legendConfig:e,model:t,direction:n,orient:i,scaleType:r}){const{gradientHorizontalMaxLength:o,gradientHorizontalMinLength:a,gradientVerticalMaxLength:s,gradientVerticalMinLength:c}=e;if(Rr(r))return"horizontal"===n?"top"===i||"bottom"===i?$d(t,"width",a,o):a:$d(t,"height",c,s);return}(e)},labelOverlap:({legend:e,legendConfig:t,scaleType:n})=>e.labelOverlap??t.labelOverlap??function(e){if(p(["quantile","threshold","log","symlog"],e))return"greedy";return}(n),symbolType:({legend:e,markDef:t,channel:n,encoding:i})=>e.symbolType??function(e,t,n,i){if("shape"!==t){const e=gd(n)??i;if(e)return e}switch(e){case"bar":case"rect":case"image":case"square":return"square";case"line":case"trail":case"rule":return"stroke";case"arc":case"point":case"circle":case"tick":case"geoshape":case"area":case"text":return"circle"}}(t.type,n,i.shape,t.shape),title:({fieldOrDatumDef:e,config:t})=>Pa(e,t,{allowDisabling:!0}),type:({legendType:e,scaleType:t,channel:n})=>{if(Be(n)&&Rr(t)){if("gradient"===e)return}else if("symbol"===e)return;return e},values:({fieldOrDatumDef:e,legend:n})=>function(e,n){const i=e.values;if(t.isArray(i))return Ba(n,i);if(Dn(i))return i;return}(n,e)};function bd(e){const{legend:t}=e;return I(t.type,function({channel:e,timeUnit:t,scaleType:n}){if(Be(e)){if(p(["quarter","month","day"],t))return"symbol";if(Rr(n))return"gradient"}return"symbol"}(e))}function xd({legendConfig:e,legendType:t,orient:n,legend:i}){return i.direction??e[t?"gradientDirection":"symbolDirection"]??function(e,t){switch(e){case"top":case"bottom":return"horizontal";case"left":case"right":case"none":case void 0:return;default:return"gradient"===t?"horizontal":void 0}}(n,t)}function $d(e,t,n,i){return{signal:`clamp(${e.getSizeSignalRef(t).signal}, ${n}, ${i})`}}function wd(e){const t=sp(e)?function(e){const{encoding:t}=e,n={};for(const i of[ve,...Ls]){const r=Ea(t[i]);r&&e.getScaleComponent(i)&&(i===$e&&da(r)&&r.type===vr||(n[i]=Sd(e,i)))}return n}(e):function(e){const{legends:t,resolve:n}=e.component;for(const i of e.children){wd(i);for(const r of D(i.component.legends))n.legend[r]=ud(e.component.resolve,r),"shared"===n.legend[r]&&(t[r]=Dd(t[r],i.component.legends[r]),t[r]||(n.legend[r]="independent",delete t[r]))}for(const i of D(t))for(const t of e.children)t.component.legends[i]&&"shared"===n.legend[i]&&delete t.component.legends[i];return t}(e);return e.component.legends=t,t}function kd(e,t,n,i){switch(t){case"disable":return void 0!==n;case"values":return!!n?.values;case"title":if("title"===t&&e===i?.title)return!0}return e===(n||{})[t]}function Sd(e,t){let n=e.legend(t);const{markDef:i,encoding:r,config:o}=e,a=o.legend,s=new dd({},function(e,t){const n=e.scaleName(t);if("trail"===e.mark){if("color"===t)return{stroke:n};if("size"===t)return{strokeWidth:n}}return"color"===t?e.markDef.filled?{fill:n}:{stroke:n}:{[t]:n}}(e,t));!function(e,t,n){const i=e.fieldDef(t)?.field;for(const r of F(e.component.selection??{})){const e=r.project.hasField[i]??r.project.hasChannel[t];if(e&&rf.defined(r)){const t=n.get("selections")??[];t.push(r.name),n.set("selections",t,!1),e.hasLegend=!0}}}(e,t,s);const c=void 0!==n?!n:a.disable;if(s.set("disable",c,void 0!==n),c)return s;n=n||{};const l=e.getScaleComponent(t).get("type"),u=Ea(r[t]),f=da(u)?Ji(u.timeUnit)?.unit:void 0,d=n.orient||o.legend.orient||"right",m=bd({legend:n,channel:t,timeUnit:f,scaleType:l}),p={legend:n,channel:t,model:e,markDef:i,encoding:r,fieldOrDatumDef:u,legendConfig:a,config:o,scaleType:l,orient:d,legendType:m,direction:xd({legend:n,legendType:m,orient:d,legendConfig:a})};for(const i of fd){if("gradient"===m&&i.startsWith("symbol")||"symbol"===m&&i.startsWith("gradient"))continue;const r=i in vd?vd[i](p):n[i];if(void 0!==r){const a=kd(r,i,n,e.fieldDef(t));(a||void 0===o.legend[i])&&s.set(i,r,a)}}const g=n?.encoding??{},h=s.get("selections"),y={},v={fieldOrDatumDef:u,model:e,channel:t,legendCmpt:s,legendType:m};for(const t of["labels","legend","title","symbols","gradient","entries"]){const n=cd(g[t]??{},e),i=t in md?md[t](n,v):n;void 0===i||S(i)||(y[t]={...h?.length&&da(u)?{name:`${C(u.field)}_legend_${t}`}:{},...h?.length?{interactive:!0}:{},update:h?.length?{...i,cursor:{value:"pointer"}}:i})}return S(y)||s.set("encode",y,!!n?.encoding),s}function Dd(e,t){if(!e)return t.clone();const n=e.getWithExplicit("orient"),i=t.getWithExplicit("orient");if(n.explicit&&i.explicit&&n.value!==i.value)return;let r=!1;for(const n of fd){const i=Sl(e.getWithExplicit(n),t.getWithExplicit(n),n,"legend",(e,t)=>{switch(n){case"symbolType":return Fd(e,t);case"title":return Gn(e,t);case"type":return r=!0,$l("symbol")}return kl(e,t,n,"legend")});e.setWithExplicit(n,i)}return r&&(e.implicit?.encode?.gradient&&N(e.implicit,["encode","gradient"]),e.explicit?.encode?.gradient&&N(e.explicit,["encode","gradient"])),e}function Fd(e,t){return"circle"===t.value?t:e}function Od(e,t,n,i){if(Va(t,n)){const r=sp(e)?e.axis(n)??e.legend(n)??{}:{},o=Fa(t,{expr:"datum"}),a=Fa(t,{expr:"datum",binSuffix:"end"});return{formulaAs:Fa(t,{binSuffix:"range",forAs:!0}),formula:Yo(o,a,r.format,r.formatType,i)}}return{}}function zd(e,t){return`${gn(e)}_${t}`}function _d(e,t,n){const i=zd(La(n,void 0)??{},t);return e.getName(`${i}_bins`)}function Cd(e,n,i){let r,o;r=function(e){return"as"in e}(e)?t.isString(e.as)?[e.as,`${e.as}_end`]:[e.as[0],e.as[1]]:[Fa(e,{forAs:!0}),Fa(e,{binSuffix:"end",forAs:!0})];const a={...La(n,void 0)},s=zd(a,e.field),{signal:c,extentSignal:l}=function(e,t){return{signal:e.getName(`${t}_bins`),extentSignal:e.getName(`${t}_extent`)}}(i,s);if(bn(a.extent)){const e=a.extent;o=Of(i,e.param,e),delete a.extent}return{key:s,binComponent:{bin:a,field:e.field,as:[r],...c?{signal:c}:{},...l?{extentSignal:l}:{},...o?{span:o}:{}}}}class Pd extends Tl{bins;clone(){return new Pd(null,c(this.bins))}constructor(e,t){super(e),this.bins=t}static makeFromEncoding(e,t){const n=t.reduceFieldDef((e,n,i)=>{if(ba(n)&&hn(n.bin)){const{key:r,binComponent:o}=Cd(n,n.bin,t);e[r]={...o,...e[r],...Od(t,n,i,t.config)}}return e},{});return S(n)?null:new Pd(e,n)}static makeFromTransform(e,t,n){const{key:i,binComponent:r}=Cd(t,t.bin,n);return new Pd(e,{[i]:r})}merge(e,t){for(const n of D(e.bins))n in this.bins?(t(e.bins[n].signal,this.bins[n].signal),this.bins[n].as=b([...this.bins[n].as,...e.bins[n].as],d)):this.bins[n]=e.bins[n];for(const t of e.children)e.removeChild(t),t.parent=this;e.remove()}producedFields(){return new Set(F(this.bins).map(e=>e.as).flat(2))}dependentFields(){return new Set(F(this.bins).map(e=>e.field))}hash(){return`Bin ${d(this.bins)}`}assemble(){return F(this.bins).flatMap(e=>{const t=[],[n,...i]=e.as,{extent:r,...o}=e.bin,a={type:"bin",field:R(e.field),as:n,signal:e.signal,...bn(r)?{extent:null}:{extent:r},...e.span?{span:{signal:`span(${e.span})`}}:{},...o};!r&&e.extentSignal&&(t.push({type:"extent",field:R(e.field),signal:e.extentSignal}),a.extent={signal:e.extentSignal}),t.push(a);for(const e of i)for(let i=0;i<2;i++)t.push({type:"formula",expr:Fa({field:n[i]},{expr:"datum"}),as:e[i]});return e.formula&&t.push({type:"formula",expr:e.formula,as:e.formulaAs}),t})}}function Nd(e,n,i,r){const o=sp(r)?r.encoding[lt(n)]:void 0;if(ba(i)&&sp(r)&&sa(i,o,r.markDef,r.config)){e.add(Fa(i,{})),e.add(Fa(i,{suffix:"end"}));const{mark:t,markDef:o,config:a}=r,s=oa({fieldDef:i,markDef:o,config:a});go(t)&&.5!==s&&At(n)&&(e.add(Fa(i,{suffix:Ll})),e.add(Fa(i,{suffix:Wl}))),i.bin&&Va(i,n)&&e.add(Fa(i,{binSuffix:"range"}))}else if(We(n)){const t=Le(n);e.add(r.getName(t))}else e.add(Fa(i));return $a(i)&&function(e){return t.isObject(e)&&"field"in e}(i.scale?.range)&&e.add(i.scale.range.field),e}class Ad extends Tl{dimensions;measures;clone(){return new Ad(null,new Set(this.dimensions),c(this.measures))}constructor(e,t,n){super(e),this.dimensions=t,this.measures=n}get groupBy(){return this.dimensions}static makeFromEncoding(e,t){let n=!1;t.forEachFieldDef(e=>{e.aggregate&&(n=!0)});const i={},r=new Set;return n?(t.forEachFieldDef((e,n)=>{const{aggregate:o,field:a}=e;if(o)if("count"===o)i["*"]??={},i["*"].count=new Set([Fa(e,{forAs:!0})]);else{if(cn(o)||ln(o)){const e=cn(o)?"argmin":"argmax",t=o[e];i[t]??={},i[t][e]=new Set([Fa({op:e,field:t},{forAs:!0})])}else i[a]??={},i[a][o]=new Set([Fa(e,{forAs:!0})]);Zt(n)&&"unaggregated"===t.scaleDomain(n)&&(i[a]??={},i[a].min=new Set([Fa({field:a,aggregate:"min"},{forAs:!0})]),i[a].max=new Set([Fa({field:a,aggregate:"max"},{forAs:!0})]))}else Nd(r,n,e,t)}),r.size+D(i).length===0?null:new Ad(e,r,i)):null}static makeFromTransform(e,t){const n=new Set,i={};for(const e of t.aggregate){const{op:t,field:n,as:r}=e;t&&("count"===t?(i["*"]??={},i["*"].count=new Set([r||Fa(e,{forAs:!0})])):(i[n]??={},i[n][t]??=new Set,i[n][t].add(r||Fa(e,{forAs:!0}))))}for(const e of t.groupby??[])n.add(e);return n.size+D(i).length===0?null:new Ad(e,n,i)}merge(e){return x(this.dimensions,e.dimensions)?(function(e,t){for(const n of D(t)){const i=t[n];for(const t of D(i))n in e?e[n][t]=new Set([...e[n][t]??[],...i[t]]):e[n]={[t]:i[t]}}}(this.measures,e.measures),!0):(function(...e){_i.debug(...e)}("different dimensions, cannot merge"),!1)}addDimensions(e){e.forEach(this.dimensions.add,this.dimensions)}dependentFields(){return new Set([...this.dimensions,...D(this.measures)])}producedFields(){const e=new Set;for(const t of D(this.measures))for(const n of D(this.measures[t])){const i=this.measures[t][n];0===i.size?e.add(`${n}_${t}`):i.forEach(e.add,e)}return e}hash(){return`Aggregate ${d({dimensions:this.dimensions,measures:this.measures})}`}assemble(){const e=[],t=[],n=[];for(const i of D(this.measures))for(const r of D(this.measures[i]))for(const o of this.measures[i][r])n.push(o),e.push(r),t.push("*"===i?null:R(i));return{type:"aggregate",groupby:[...this.dimensions].map(R),ops:e,fields:t,as:n}}}class jd extends Tl{model;name;data;column;row;facet;childModel;constructor(e,n,i,r){super(e),this.model=n,this.name=i,this.data=r;for(const e of He){const i=n.facet[e];if(i){const{bin:r,sort:o}=i;this[e]={name:n.getName(`${e}_domain`),fields:[Fa(i),...hn(r)?[Fa(i,{binSuffix:"end"})]:[]],...Ko(o)?{sortField:o}:t.isArray(o)?{sortIndexField:Wf(i,e)}:{}}}}this.childModel=n.child}hash(){let e="Facet";for(const t of He)this[t]&&(e+=` ${t.charAt(0)}:${d(this[t])}`);return e}get fields(){const e=[];for(const t of He)this[t]?.fields&&e.push(...this[t].fields);return e}dependentFields(){const e=new Set(this.fields);for(const t of He)this[t]&&(this[t].sortField&&e.add(this[t].sortField.field),this[t].sortIndexField&&e.add(this[t].sortIndexField));return e}producedFields(){return new Set}getSource(){return this.name}getChildIndependentFieldsWithStep(){const e={};for(const t of Nt){const n=this.childModel.component.scales[t];if(n&&!n.merged){const i=n.get("type"),r=n.get("range");if(Mr(i)&&Fn(r)){const n=Dm(Fm(this.childModel,t));n?e[t]=n:Pi(Zn(t))}}}return e}assembleRowColumnHeaderData(e,t,n){const i={row:"y",column:"x",facet:void 0}[e],r=[],o=[],a=[];i&&n&&n[i]&&(t?(r.push(`distinct_${n[i]}`),o.push("max")):(r.push(n[i]),o.push("distinct")),a.push(`distinct_${n[i]}`));const{sortField:s,sortIndexField:c}=this[e];if(s){const{op:e=Xo,field:t}=s;r.push(t),o.push(e),a.push(Fa(s,{forAs:!0}))}else c&&(r.push(c),o.push("max"),a.push(c));return{name:this[e].name,source:t??this.data,transform:[{type:"aggregate",groupby:this[e].fields,...r.length?{fields:r,ops:o,as:a}:{}}]}}assembleFacetHeaderData(e){const{columns:t}=this.model.layout,{layoutHeaders:n}=this.model.component,i=[],r={};for(const e of Vf){for(const t of Hf){const i=n[e]?.[t]??[];for(const t of i)if(t.axes?.length>0){r[e]=!0;break}}if(r[e]){const n=`length(data("${this.facet.name}"))`,r="row"===e?t?{signal:`ceil(${n} / ${t})`}:1:t?{signal:`min(${n}, ${t})`}:{signal:n};i.push({name:`${this.facet.name}_${e}`,transform:[{type:"sequence",start:0,stop:r}]})}}const{row:o,column:a}=r;return(o||a)&&i.unshift(this.assembleRowColumnHeaderData("facet",null,e)),i}assemble(){const e=[];let t=null;const n=this.getChildIndependentFieldsWithStep(),{column:i,row:r,facet:o}=this;if(i&&r&&(n.x||n.y)){t=`cross_${this.column.name}_${this.row.name}`;const i=[].concat(n.x??[],n.y??[]),r=i.map(()=>"distinct");e.push({name:t,source:this.data,transform:[{type:"aggregate",groupby:this.fields,fields:i,ops:r}]})}for(const i of[te,ee])this[i]&&e.push(this.assembleRowColumnHeaderData(i,t,n));if(o){const t=this.assembleFacetHeaderData(n);t&&e.push(...t)}return e}}function Td(e){return e.startsWith("'")&&e.endsWith("'")||e.startsWith('"')&&e.endsWith('"')?e.slice(1,-1):e}function Ed(e){const n={};return a(e.filter,e=>{if(sr(e)){let i=null;er(e)?i=An(e.equal):nr(e)?i=An(e.lte):tr(e)?i=An(e.lt):ir(e)?i=An(e.gt):rr(e)?i=An(e.gte):or(e)?i=e.range[0]:ar(e)&&(i=(e.oneOf??e.in)[0]),i&&(Ni(i)?n[e.field]="date":t.isNumber(i)?n[e.field]="number":t.isString(i)&&(n[e.field]="string")),e.timeUnit&&(n[e.field]="date")}}),n}function Md(e){const n={};function i(e){var i;Ua(e)?n[e.field]="date":"quantitative"===e.type&&(i=e.aggregate,t.isString(i)&&p(["min","max"],i))?n[e.field]="number":U(e.field)>1?e.field in n||(n[e.field]="flatten"):$a(e)&&Ko(e.sort)&&U(e.sort.field)>1&&(e.sort.field in n||(n[e.sort.field]="flatten"))}if((sp(e)||cp(e))&&e.forEachFieldDef((t,n)=>{if(ba(t))i(t);else{const r=st(n),o=e.fieldDef(r);i({...t,type:o.type})}}),sp(e)){const{mark:t,markDef:i,encoding:r}=e;if(po(t)&&!e.encoding.order){const e=r["horizontal"===i.orient?"y":"x"];da(e)&&"quantitative"===e.type&&!(e.field in n)&&(n[e.field]="number")}}return n}class qd extends Tl{_parse;clone(){return new qd(null,c(this._parse))}constructor(e,t){super(e),this._parse=t}hash(){return`Parse ${d(this._parse)}`}static makeExplicit(e,t,n){let i={};const r=t.data;return!_l(r)&&r?.format?.parse&&(i=r.format.parse),this.makeWithAncestors(e,i,{},n)}static makeWithAncestors(e,t,n,i){for(const e of D(n)){const t=i.getWithExplicit(e);void 0!==t.value&&(t.explicit||t.value===n[e]||"derived"===t.value||"flatten"===n[e]?delete n[e]:Pi(ai(e,n[e],t.value)))}for(const e of D(t)){const n=i.get(e);void 0!==n&&(n===t[e]?delete t[e]:Pi(ai(e,t[e],n)))}const r=new bl(t,n);i.copyAll(r);const o={};for(const e of D(r.combine())){const t=r.get(e);null!==t&&(o[e]=t)}return 0===D(o).length||i.parseNothing?null:new qd(e,o)}get parse(){return this._parse}merge(e){this._parse={...this._parse,...e.parse},e.remove()}assembleFormatParse(){const e={};for(const t of D(this._parse)){const n=this._parse[t];1===U(t)&&(e[t]=n)}return e}producedFields(){return new Set(D(this._parse))}dependentFields(){return new Set(D(this._parse))}assembleTransforms(e=!1){return D(this._parse).filter(t=>!e||U(t)>1).map(e=>{const t=function(e,t){const n=j(e);if("number"===t)return`toNumber(${n})`;if("boolean"===t)return`toBoolean(${n})`;if("string"===t)return`toString(${n})`;if("date"===t)return`toDate(${n})`;if("flatten"===t)return n;if(t.startsWith("date:"))return`timeParse(${n},'${Td(t.slice(5,t.length))}')`;if(t.startsWith("utc:"))return`utcParse(${n},'${Td(t.slice(4,t.length))}')`;return Pi(`Unrecognized parse "${t}".`),null}(e,this._parse[e]);if(!t)return null;return{type:"formula",expr:t,as:W(e)}}).filter(e=>null!==e)}}class Rd extends Tl{clone(){return new Rd(null)}constructor(e){super(e)}dependentFields(){return new Set}producedFields(){return new Set([Ws])}hash(){return"Identifier"}assemble(){return{type:"identifier",as:Ws}}}class Ld extends Tl{params;clone(){return new Ld(null,this.params)}constructor(e,t){super(e),this.params=t}dependentFields(){return new Set}producedFields(){}hash(){return`Graticule ${d(this.params)}`}assemble(){return{type:"graticule",...!0===this.params?{}:this.params}}}class Wd extends Tl{params;clone(){return new Wd(null,this.params)}constructor(e,t){super(e),this.params=t}dependentFields(){return new Set}producedFields(){return new Set([this.params.as??"data"])}hash(){return`Hash ${d(this.params)}`}assemble(){return{type:"sequence",...this.params}}}class Ud extends Tl{_data;_name;_generator;constructor(e){let t;if(super(null),e??={name:"source"},_l(e)||(t=e.format?{...f(e.format,["parse"])}:{}),Ol(e))this._data={values:e.values};else if(Fl(e)){if(this._data={url:e.url},!t.type){let n=/(?:\.([^.]+))?$/.exec(e.url)[1];p(["json","csv","tsv","dsv","topojson"],n)||(n="json"),t.type=n}}else Pl(e)?this._data={values:[{type:"Sphere"}]}:(zl(e)||_l(e))&&(this._data={});this._generator=_l(e),e.name&&(this._name=e.name),t&&!S(t)&&(this._data.format=t)}dependentFields(){return new Set}producedFields(){}get data(){return this._data}hasName(){return!!this._name}get isGenerator(){return this._generator}get dataName(){return this._name}set dataName(e){this._name=e}set parent(e){throw new Error("Source nodes have to be roots.")}remove(){throw new Error("Source nodes are roots and cannot be removed.")}hash(){throw new Error("Cannot hash sources")}assemble(){return{name:this._name,...this._data,transform:[]}}}function Id(e){return e instanceof Ud||e instanceof Ld||e instanceof Wd}class Bd{#e;constructor(){this.#e=!1}setModified(){this.#e=!0}get modifiedFlag(){return this.#e}}class Vd extends Bd{getNodeDepths(e,t,n){n.set(e,t);for(const i of e.children)this.getNodeDepths(i,t+1,n);return n}optimize(e){const t=[...this.getNodeDepths(e,0,new Map).entries()].sort((e,t)=>t[1]-e[1]);for(const e of t)this.run(e[0]);return this.modifiedFlag}}class Hd extends Bd{optimize(e){this.run(e);for(const t of e.children)this.optimize(t);return this.modifiedFlag}}class Gd extends Hd{mergeNodes(e,t){const n=t.shift();for(const i of t)e.removeChild(i),i.parent=n,i.remove()}run(e){const t=e.children.map(e=>e.hash()),n={};for(let i=0;i1&&(this.setModified(),this.mergeNodes(e,n[t]))}}class Yd extends Hd{requiresSelectionId;constructor(e){super(),this.requiresSelectionId=e&&bf(e)}run(e){e instanceof Rd&&(this.requiresSelectionId&&(Id(e.parent)||e.parent instanceof Ad||e.parent instanceof qd)||(this.setModified(),e.remove()))}}class Xd extends Bd{optimize(e){return this.run(e,new Set),this.modifiedFlag}run(e,t){let n=new Set;e instanceof Rl&&(n=e.producedFields(),$(n,t)&&(this.setModified(),e.removeFormulas(t),0===e.producedFields.length&&e.remove()));for(const i of e.children)this.run(i,new Set([...t,...n]))}}class Jd extends Hd{constructor(){super()}run(e){e instanceof El&&!e.isRequired()&&(this.setModified(),e.remove())}}class Qd extends Vd{run(e){if(!(Id(e)||e.numChildren()>1))for(const t of e.children)if(t instanceof qd)if(e instanceof qd)this.setModified(),e.merge(t);else{if(k(e.producedFields(),t.dependentFields()))continue;this.setModified(),t.swapWithParent()}}}class Kd extends Vd{run(e){const t=[...e.children],n=e.children.filter(e=>e instanceof qd);if(e.numChildren()>1&&n.length>=1){const i={},r=new Set;for(const e of n){const t=e.parse;for(const e of D(t))e in i?i[e]!==t[e]&&r.add(e):i[e]=t[e]}for(const e of r)delete i[e];if(!S(i)){this.setModified();const n=new qd(e,i);for(const r of t){if(r instanceof qd)for(const e of D(i))delete r.parse[e];e.removeChild(r),r.parent=n,r instanceof qd&&0===D(r.parse).length&&r.remove()}}}}}class Zd extends Vd{run(e){e instanceof El||e.numChildren()>0||e instanceof jd||e instanceof Ud||(this.setModified(),e.remove())}}class em extends Vd{run(e){const t=e.children.filter(e=>e instanceof Rl),n=t.pop();for(const e of t)this.setModified(),n.merge(e)}}class tm extends Vd{run(e){const t=e.children.filter(e=>e instanceof Ad),n={};for(const e of t){const t=d(e.groupBy);t in n||(n[t]=[]),n[t].push(e)}for(const t of D(n)){const i=n[t];if(i.length>1){const t=i.pop();for(const n of i)t.merge(n)&&(e.removeChild(n),n.parent=t,n.remove(),this.setModified())}}}}class nm extends Vd{model;constructor(e){super(),this.model=e}run(e){const t=!(Id(e)||e instanceof Df||e instanceof qd||e instanceof Rd),n=[],i=[];for(const r of e.children)r instanceof Pd&&(t&&!k(e.producedFields(),r.dependentFields())?n.push(r):i.push(r));if(n.length>0){const t=n.pop();for(const e of n)t.merge(e,this.model.renameSignal.bind(this.model));this.setModified(),e instanceof Pd?e.merge(t,this.model.renameSignal.bind(this.model)):t.swapWithParent()}if(i.length>1){const e=i.pop();for(const t of i)e.merge(t,this.model.renameSignal.bind(this.model));this.setModified()}}}class im extends Vd{run(e){const t=[...e.children];if(!g(t,e=>e instanceof El)||e.numChildren()<=1)return;const n=[];let i;for(const r of t)if(r instanceof El){let t=r;for(;1===t.numChildren();){const[e]=t.children;if(!(e instanceof El))break;t=e}n.push(...t.children),i?(e.removeChild(r),r.parent=i.parent,i.parent.removeChild(i),i.parent=t,this.setModified()):i=t}else n.push(r);if(n.length){this.setModified();for(const e of n)e.parent.removeChild(e),e.parent=i}}}class rm extends Tl{transform;clone(){return new rm(null,c(this.transform))}constructor(e,t){super(e),this.transform=t}addDimensions(e){this.transform.groupby=b(this.transform.groupby.concat(e),e=>e)}dependentFields(){const e=new Set;return this.transform.groupby&&this.transform.groupby.forEach(e.add,e),this.transform.joinaggregate.map(e=>e.field).filter(e=>void 0!==e).forEach(e.add,e),e}producedFields(){return new Set(this.transform.joinaggregate.map(this.getDefaultName))}getDefaultName(e){return e.as??Fa(e)}hash(){return`JoinAggregateTransform ${d(this.transform)}`}assemble(){const e=[],t=[],n=[];for(const i of this.transform.joinaggregate)t.push(i.op),n.push(this.getDefaultName(i)),e.push(void 0===i.field?null:i.field);const i=this.transform.groupby;return{type:"joinaggregate",as:n,ops:t,fields:e,...void 0!==i?{groupby:i}:{}}}}class om extends Tl{filter;clone(){return new om(null,{...this.filter})}constructor(e,t){super(e),this.filter=t}static make(e,t,n){const{config:i,markDef:r}=t,{marks:o,scales:a}=n;if("include-invalid-values"===o&&"include-invalid-values"===a)return null;const s=t.reduceFieldDef((e,n,o)=>{const a=Zt(o)&&t.getScaleComponent(o);if(a){const t=a.get("type"),{aggregate:s}=n,c=_o({scaleChannel:o,markDef:r,config:i,scaleType:t,isCountAggregate:dn(s)});"show"!==c&&"always-valid"!==c&&(e[n.field]=n)}return e},{});return D(s).length?new om(e,s):null}dependentFields(){return new Set(D(this.filter))}producedFields(){return new Set}hash(){return`FilterInvalid ${d(this.filter)}`}assemble(){const e=D(this.filter).reduce((e,t)=>{const n=this.filter[t],i=Fa(n,{expr:"datum"});return null!==n&&("temporal"===n.type?e.push(`(isDate(${i}) || (${am(i)}))`):"quantitative"===n.type&&e.push(am(i))),e},[]);return e.length>0?{type:"filter",expr:e.join(" && ")}:null}}function am(e){return`isValid(${e}) && isFinite(+${e})`}class sm extends Tl{_stack;clone(){return new sm(null,c(this._stack))}constructor(e,t){super(e),this._stack=t}static makeFromTransform(e,n){const{stack:i,groupby:r,as:o,offset:a="zero"}=n,s=[],c=[];if(void 0!==n.sort)for(const e of n.sort)s.push(e.field),c.push(I(e.order,"ascending"));const l={field:s,order:c};let u;return u=function(e){return t.isArray(e)&&e.every(e=>t.isString(e))&&e.length>1}(o)?o:t.isString(o)?[o,`${o}_end`]:[`${n.stack}_start`,`${n.stack}_end`],new sm(e,{dimensionFieldDefs:[],stackField:i,groupby:r,offset:a,sort:l,facetby:[],as:u})}static makeFromEncoding(e,n){const i=n.stack,{encoding:r}=n;if(!i)return null;const{groupbyChannels:o,fieldChannel:a,offset:s,impute:c}=i,l=o.map(e=>Ta(r[e])).filter(e=>!!e),u=function(e){return e.stack.stackBy.reduce((e,t)=>{const n=Fa(t.fieldDef);return n&&e.push(n),e},[])}(n),f=n.encoding.order;let d;if(t.isArray(f)||da(f))d=Bn(f);else{const e=ca(f)?f.sort:"y"===a?"descending":"ascending";d=u.reduce((t,n)=>(t.field.includes(n)||(t.field.push(n),t.order.push(e)),t),{field:[],order:[]})}return new sm(e,{dimensionFieldDefs:l,stackField:n.vgField(a),facetby:[],stackby:u,sort:d,offset:s,impute:c,as:[n.vgField(a,{suffix:"start",forAs:!0}),n.vgField(a,{suffix:"end",forAs:!0})]})}get stack(){return this._stack}addDimensions(e){this._stack.facetby.push(...e)}dependentFields(){const e=new Set;return e.add(this._stack.stackField),this.getGroupbyFields().forEach(e.add,e),this._stack.facetby.forEach(e.add,e),this._stack.sort.field.forEach(e.add,e),e}producedFields(){return new Set(this._stack.as)}hash(){return`Stack ${d(this._stack)}`}getGroupbyFields(){const{dimensionFieldDefs:e,impute:t,groupby:n}=this._stack;return e.length>0?e.map(e=>e.bin?t?[Fa(e,{binSuffix:"mid"})]:[Fa(e,{}),Fa(e,{binSuffix:"end"})]:[Fa(e)]).flat():n??[]}assemble(){const e=[],{facetby:t,dimensionFieldDefs:n,stackField:i,stackby:r,sort:o,offset:a,impute:s,as:c}=this._stack;if(s)for(const o of n){const{bandPosition:n=.5,bin:a}=o;if(a){const t=Fa(o,{expr:"datum"}),i=Fa(o,{expr:"datum",binSuffix:"end"});e.push({type:"formula",expr:`${am(t)} ? ${n}*${t}+${1-n}*${i} : ${t}`,as:Fa(o,{binSuffix:"mid",forAs:!0})})}e.push({type:"impute",field:i,groupby:[...r,...t],key:Fa(o,{binSuffix:"mid"}),method:"value",value:0})}return e.push({type:"stack",groupby:[...this.getGroupbyFields(),...t],field:i,sort:o,as:c,offset:a}),e}}class cm extends Tl{transform;clone(){return new cm(null,c(this.transform))}constructor(e,t){super(e),this.transform=t}addDimensions(e){this.transform.groupby=b(this.transform.groupby.concat(e),e=>e)}dependentFields(){const e=new Set;return(this.transform.groupby??[]).forEach(e.add,e),(this.transform.sort??[]).forEach(t=>e.add(t.field)),this.transform.window.map(e=>e.field).filter(e=>void 0!==e).forEach(e.add,e),e}producedFields(){return new Set(this.transform.window.map(this.getDefaultName))}getDefaultName(e){return e.as??Fa(e)}hash(){return`WindowTransform ${d(this.transform)}`}assemble(){const e=[],t=[],n=[],i=[];for(const r of this.transform.window)t.push(r.op),n.push(this.getDefaultName(r)),i.push(void 0===r.param?null:r.param),e.push(void 0===r.field?null:r.field);const r=this.transform.frame,o=this.transform.groupby;if(r&&null===r[0]&&null===r[1]&&t.every(e=>un(e)))return{type:"joinaggregate",as:n,ops:t,fields:e,...void 0!==o?{groupby:o}:{}};const a=[],s=[];if(void 0!==this.transform.sort)for(const e of this.transform.sort)a.push(e.field),s.push(e.order??"ascending");const c={field:a,order:s},l=this.transform.ignorePeers;return{type:"window",params:i,as:n,ops:t,fields:e,sort:c,...void 0!==l?{ignorePeers:l}:{},...void 0!==o?{groupby:o}:{},...void 0!==r?{frame:r}:{}}}}function lm(e){if(e instanceof jd)if(1!==e.numChildren()||e.children[0]instanceof El){const n=e.model.component.data.main;um(n);const i=(t=e,function e(n){if(!(n instanceof jd)){const i=n.clone();if(i instanceof El){const e=fm+i.getSource();i.setSource(e),t.model.component.data.outputNodes[e]=i}else(i instanceof Ad||i instanceof sm||i instanceof cm||i instanceof rm)&&i.addDimensions(t.fields);for(const t of n.children.flatMap(e))t.parent=i;return[i]}return n.children.flatMap(e)}),r=e.children.map(i).flat();for(const e of r)e.parent=n}else{const t=e.children[0];(t instanceof Ad||t instanceof sm||t instanceof cm||t instanceof rm)&&t.addDimensions(e.fields),t.swapWithParent(),lm(e)}else e.children.map(lm);var t}function um(e){if(e instanceof El&&e.type===Al.Main&&1===e.numChildren()){const t=e.children[0];t instanceof jd||(t.swapWithParent(),um(e))}}const fm="scale_";function dm(e){for(const t of e){for(const e of t.children)if(e.parent!==t)return!1;if(!dm(t.children))return!1}return!0}function mm(e,t){let n=!1;for(const i of t)n=e.optimize(i)||n;return n}function pm(e,t,n){let i=e.sources,r=!1;return r=mm(new Jd,i)||r,r=mm(new Yd(t),i)||r,i=i.filter(e=>e.numChildren()>0),r=mm(new Zd,i)||r,i=i.filter(e=>e.numChildren()>0),n||(r=mm(new Qd,i)||r,r=mm(new nm(t),i)||r,r=mm(new Xd,i)||r,r=mm(new Kd,i)||r,r=mm(new tm,i)||r,r=mm(new em,i)||r,r=mm(new Gd,i)||r,r=mm(new im,i)||r),e.sources=i,r}class gm{constructor(e){Object.defineProperty(this,"signal",{enumerable:!0,get:e})}signal;static fromName(e,t){return new gm(()=>e(t))}}function hm(e){sp(e)?function(e){const t=e.component.scales;for(const n of D(t)){const i=ym(e,n);if(t[n].setWithExplicit("domains",i),$m(e,n),e.component.data.isFaceted){let t=e;for(;!cp(t)&&t.parent;)t=t.parent;if("shared"===t.component.resolve.scale[n])for(const e of i.value)zn(e)&&(e.data=fm+e.data.replace(fm,""))}}}(e):function(e){for(const t of e.children)hm(t);const t=e.component.scales;for(const n of D(t)){let i,r=null;for(const t of e.children){const e=t.component.scales[n];if(e){i=void 0===i?e.getWithExplicit("domains"):Sl(i,e.getWithExplicit("domains"),"domains","scale",km);const 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bm(e,n,i,r){const{encoding:o,markDef:a,mark:s,config:c,stack:l}=i,u=Ea(o[r]),{type:f}=u,d=u.timeUnit,m=function(e){const{marks:t,scales:n}=jl(e);return t===n?Al.Main:"include-invalid-values"===n?Al.PreFilterInvalid:Al.PostFilterInvalid}({invalid:Wn("invalid",a,c),isPath:po(s)});if(function(e){return Z(e,"unionWith")}(n)){const t=bm(e,void 0,i,r);return xl([...vm(n.unionWith,f,d),...t.value])}if(Dn(n))return xl([n]);if(n&&"unaggregated"!==n&&!Wr(n))return xl(vm(n,f,d));if(l&&r===l.fieldChannel){if("normalize"===l.offset)return $l([[0,1]]);const e=i.requestDataName(m);return $l([{data:e,field:i.vgField(r,{suffix:"start"})},{data:e,field:i.vgField(r,{suffix:"end"})}])}const g=Zt(r)&&da(u)?function(e,t,n){if(!Mr(n))return;const i=e.fieldDef(t),r=i.sort;if(Zo(r))return{op:"min",field:Wf(i,t),order:"ascending"};const{stack:o}=e,a=o?new Set([...o.groupbyFields,...o.stackBy.map(e=>e.fieldDef.field)]):void 0;if(Ko(r)){return xm(r,o&&!a.has(r.field))}if(function(e){return 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0,interpolate:({channel:e,fieldOrDatumDef:t})=>function(e,t){if(p([ve,be,xe],e)&&"nominal"!==t)return"hcl";return}(e,t.type),nice:({scaleType:e,channel:n,domain:i,domainMin:r,domainMax:o,fieldOrDatumDef:a})=>function(e,n,i,r,o,a){if(Ta(a)?.bin||t.isArray(i)||null!=o||null!=r||p([kr,Sr],e))return;return!!At(n)||void 0}(e,n,i,r,o,a),padding:({channel:e,scaleType:t,fieldOrDatumDef:n,markDef:i,config:r})=>function(e,t,n,i,r,o){if(At(e)){if(Rr(t)){if(void 0!==n.continuousPadding)return n.continuousPadding;const{type:t,orient:a}=r;if("bar"===t&&(!da(i)||!i.bin&&!i.timeUnit)&&("vertical"===a&&"x"===e||"horizontal"===a&&"y"===e))return o.continuousBandSize}if(t===Dr)return n.pointPadding}return}(e,t,r.scale,n,i,r.bar),paddingInner:({scalePadding:e,channel:t,markDef:n,scaleType:i,config:r,hasNestedOffsetScale:o})=>function(e,t,n,i,r,o=!1){if(void 0!==e)return;if(At(t)){const{bandPaddingInner:e,barBandPaddingInner:t,rectBandPaddingInner:i,tickBandPaddingInner:a,bandWithNestedOffsetPaddingInner:s}=r;return o?s:I(e,"bar"===n?t:"tick"===n?a:i)}if(qt(t)&&i===Fr)return r.offsetBandPaddingInner;return}(e,t,n.type,i,r.scale,o),paddingOuter:({scalePadding:e,channel:t,scaleType:n,scalePaddingInner:i,config:r,hasNestedOffsetScale:o})=>function(e,t,n,i,r,o=!1){if(void 0!==e)return;if(At(t)){const{bandPaddingOuter:e,bandWithNestedOffsetPaddingOuter:t}=r;if(o)return t;if(n===Fr)return I(e,Dn(i)?{signal:`${i.signal}/2`}:i/2)}else if(qt(t)){if(n===Dr)return.5;if(n===Fr)return r.offsetBandPaddingOuter}return}(e,t,n,i,r.scale,o),reverse:({fieldOrDatumDef:e,scaleType:t,channel:n,config:i})=>function(e,t,n,i){if("x"===n&&void 0!==i.xReverse)return qr(e)&&"descending"===t?Dn(i.xReverse)?{signal:`!${i.xReverse.signal}`}:!i.xReverse:i.xReverse;if(qr(e)&&"descending"===t)return!0;return}(t,da(e)?e.sort:void 0,n,i.scale),zero:({channel:e,fieldOrDatumDef:n,domain:i,markDef:r,scaleType:o,config:a,hasSecondaryRangeChannel:s})=>function(e,n,i,r,o,a,s){if(i&&"unaggregated"!==i&&qr(o)){if(t.isArray(i)){const e=i[0],n=i[i.length-1];if(t.isNumber(e)&&e<=0&&t.isNumber(n)&&n>=0)return!0}return!1}if("size"===e&&"quantitative"===n.type&&!Lr(o))return!0;if((!da(n)||!n.bin)&&p([...Nt,...Tt],e)){const{orient:t,type:n}=r;return(!p(["bar","area","line","trail"],n)||!("horizontal"===t&&"y"===e||"vertical"===t&&"x"===e))&&(!(!p(["bar","area"],n)||s)||a?.zero)}return!1}(e,n,i,r,o,a.scale,s)};function tp(e){sp(e)?function(e){const t=e.component.scales;for(const n of Kt){const i=t[n];if(!i)continue;const r=Vm(n,e);i.setWithExplicit("range",r)}}(e):np(e,"range")}function np(e,t){const n=e.component.scales;for(const n of e.children)"range"===t?tp(n):Zm(n,t);for(const i of D(n)){let r;for(const n of e.children){const e=n.component.scales[i];if(e){r=Sl(r,e.getWithExplicit(t),t,"scale",wl((e,n)=>"range"===t&&e.step&&n.step?e.step-n.step:0))}}n[i].setWithExplicit(t,r)}}function ip(e,t,n,i,r=!1){const o=function(e,t,n,i){switch(t.type){case"nominal":case"ordinal":if(Be(e)||"discrete"===on(e))return"shape"===e&&"ordinal"===t.type&&Pi(yi(e,"ordinal")),"ordinal";if(Lt(e))return"band";if(At(e)||qt(e)){if(p(["rect","bar","image","rule","tick"],n.type))return"band";if(i)return"band"}else if("arc"===n.type&&e in jt)return"band";return ko(n[ut(e)])||wa(t)&&t.axis?.tickBand?"band":"point";case"temporal":return Be(e)?"time":"discrete"===on(e)?(Pi(yi(e,"temporal")),"ordinal"):da(t)&&t.timeUnit&&Ji(t.timeUnit).utc?"utc":Lt(e)?"band":"time";case"quantitative":return Be(e)?da(t)&&hn(t.bin)?"bin-ordinal":"linear":"discrete"===on(e)?(Pi(yi(e,"quantitative")),"ordinal"):Lt(e)?"band":"linear";case"geojson":return}throw new Error(ui(t.type))}(t,n,i,r),{type:a}=e;return Zt(t)?void 0!==a?function(e,t,n=!1){if(!Zt(e))return!1;switch(e){case ie:case re:case se:case ce:case fe:case le:return!!Rr(t)||"band"===t||"point"===t&&!n;case ye:return p(["linear","band"],t);case we:case Oe:case Se:case De:case Fe:case ke:return Rr(t)||Lr(t)||p(["band","point","ordinal"],t);case ve:case be:case xe:return"band"!==t;case ze:case $e:return"ordinal"===t||Lr(t)}}(t,a)?da(n)&&(s=a,c=n.type,!(p([gr,yr],c)?void 0===s||Mr(s):c===hr?p([kr,Sr,void 0],s):c!==pr||Ar(s)||Lr(s)||void 0===s))?(Pi(function(e,t){return`FieldDef does not work with "${e}" scale. We are using "${t}" scale instead.`}(a,o)),o):a:(Pi(function(e,t,n){return`Channel "${e}" does not work with "${t}" scale. We are using "${n}" scale instead.`}(t,a,o)),o):o:null;var s,c}function rp(e){sp(e)?e.component.scales=function(e){const{encoding:t,mark:n,markDef:i}=e,r={};for(const o of Kt){const a=Ea(t[o]);if(a&&n===mo&&o===$e&&a.type===vr)continue;let s=a&&a.scale;if(a&&null!==s&&!1!==s){s??={};const n=ip(s,o,a,i,rs(t,o));r[o]=new Um(e.scaleName(`${o}`,!0),{value:n,explicit:s.type===n})}}return r}(e):e.component.scales=function(e){const t=e.component.scales={},n={},i=e.component.resolve;for(const t of e.children){rp(t);for(const r of D(t.component.scales))if(i.scale[r]??=ld(r,e),"shared"===i.scale[r]){const e=n[r],o=t.component.scales[r].getWithExplicit("type");e?zr(e.value,o.value)?n[r]=Sl(e,o,"type","scale",op):(i.scale[r]="independent",delete n[r]):n[r]=o}}for(const i of D(n)){const r=e.scaleName(i,!0),o=n[i];t[i]=new Um(r,o);for(const t of e.children){const e=t.component.scales[i];e&&(t.renameScale(e.get("name"),r),e.merged=!0)}}return t}(e)}const op=wl((e,t)=>Cr(e)-Cr(t));class ap{nameMap;constructor(){this.nameMap={}}rename(e,t){this.nameMap[e]=t}has(e){return void 0!==this.nameMap[e]}get(e){for(;this.nameMap[e]&&e!==this.nameMap[e];)e=this.nameMap[e];return e}}function sp(e){return"unit"===e?.type}function cp(e){return"facet"===e?.type}function lp(e){return"concat"===e?.type}function up(e){return"layer"===e?.type}class fp{type;parent;config;name;size;title;description;data;transforms;layout;scaleNameMap;projectionNameMap;signalNameMap;component;view;constructor(e,n,i,r,o,a,l){this.type=n,this.parent=i,this.config=o,this.parent=i,this.config=o,this.view=wn(l),this.name=e.name??r,this.title=Sn(e.title)?{text:e.title}:e.title?wn(e.title):void 0,this.scaleNameMap=i?i.scaleNameMap:new ap,this.projectionNameMap=i?i.projectionNameMap:new ap,this.signalNameMap=i?i.signalNameMap:new ap,this.data=e.data,this.description=e.description,this.transforms=(e.transform??[]).map(e=>Wc(e)?{filter:s(e.filter,fr)}:e),this.layout="layer"===n||"unit"===n?{}:function(e,n,i){const r=i[n],o={},{spacing:a,columns:s}=r;void 0!==a&&(o.spacing=a),void 0!==s&&(na(e)&&!ea(e.facet)||Gs(e))&&(o.columns=s),Ys(e)&&(o.columns=1);for(const n of Zs)if(void 0!==e[n])if("spacing"===n){const i=e[n];o[n]=t.isNumber(i)?i:{row:i.row??a,column:i.column??a}}else o[n]=e[n];return o}(e,n,o),this.component={data:{sources:i?i.component.data.sources:[],outputNodes:i?i.component.data.outputNodes:{},outputNodeRefCounts:i?i.component.data.outputNodeRefCounts:{},isFaceted:na(e)||i?.component.data.isFaceted&&void 0===e.data},layoutSize:new bl,layoutHeaders:{row:{},column:{},facet:{}},mark:null,resolve:{scale:{},axis:{},legend:{},...a?c(a):{}},selection:null,scales:null,projection:null,axes:{},legends:{}}}get width(){return this.getSizeSignalRef("width")}get height(){return this.getSizeSignalRef("height")}parse(){this.parseScale(),this.parseLayoutSize(),this.renameTopLevelLayoutSizeSignal(),this.parseSelections(),this.parseProjection(),this.parseData(),this.parseAxesAndHeaders(),this.parseLegends(),this.parseMarkGroup()}parseScale(){!function(e,{ignoreRange:t}={}){rp(e),hm(e);for(const t of Xr)Zm(e,t);t||tp(e)}(this)}parseProjection(){Rm(this)}renameTopLevelLayoutSizeSignal(){"width"!==this.getName("width")&&this.renameSignal(this.getName("width"),"width"),"height"!==this.getName("height")&&this.renameSignal(this.getName("height"),"height")}parseLegends(){wd(this)}assembleEncodeFromView(e){const{style:t,...n}=e,i={};for(const e of D(n)){const t=n[e];void 0!==t&&(i[e]=Tn(t))}return i}assembleGroupEncodeEntry(e){let t={};return this.view&&(t=this.assembleEncodeFromView(this.view)),e||(this.description&&(t.description=Tn(this.description)),"unit"!==this.type&&"layer"!==this.type)?S(t)?void 0:t:{width:this.getSizeSignalRef("width"),height:this.getSizeSignalRef("height"),...t}}assembleLayout(){if(!this.layout)return;const{spacing:e,...t}=this.layout,{component:n,config:i}=this,r=function(e,t){const n={};for(const i of He){const r=e[i];if(r?.facetFieldDef){const{titleAnchor:e,titleOrient:o}=Bf(["titleAnchor","titleOrient"],r.facetFieldDef.header,t,i),a=Uf(i,o),s=td(e,a);void 0!==s&&(n[a]=s)}}return S(n)?void 0:n}(n.layoutHeaders,i);return{padding:e,...this.assembleDefaultLayout(),...t,...r?{titleBand:r}:{}}}assembleDefaultLayout(){return{}}assembleHeaderMarks(){const{layoutHeaders:e}=this.component;let t=[];for(const n of He)e[n].title&&t.push(Gf(this,n));for(const e of Vf)t=t.concat(Jf(this,e));return t}assembleAxes(){return function(e,t){const{x:n=[],y:i=[]}=e;return[...n.map(e=>Cf(e,"grid",t)),...i.map(e=>Cf(e,"grid",t)),...n.map(e=>Cf(e,"main",t)),...i.map(e=>Cf(e,"main",t))].filter(e=>e)}(this.component.axes,this.config)}assembleLegends(){return jm(this)}assembleProjections(){return Tm(this)}assembleTitle(){const{encoding:e,...t}=this.title??{},n={...kn(this.config.title).nonMarkTitleProperties,...t,...e?{encode:{update:e}}:{}};if(n.text)return p(["unit","layer"],this.type)?p(["middle",void 0],n.anchor)&&(n.frame??="group"):n.anchor??="start",S(n)?void 0:n}assembleGroup(e=[]){const t={};(e=e.concat(this.assembleSignals())).length>0&&(t.signals=e);const n=this.assembleLayout();n&&(t.layout=n),t.marks=[].concat(this.assembleHeaderMarks(),this.assembleMarks());const i=!this.parent||cp(this.parent)?Lm(this):[];i.length>0&&(t.scales=i);const r=this.assembleAxes();r.length>0&&(t.axes=r);const o=this.assembleLegends();return o.length>0&&(t.legends=o),t}getName(e){return C((this.name?`${this.name}_`:"")+e)}getDataName(e){return this.getName(Al[e].toLowerCase())}requestDataName(e){const t=this.getDataName(e),n=this.component.data.outputNodeRefCounts;return n[t]=(n[t]||0)+1,t}getSizeSignalRef(e){if(cp(this.parent)){const t=Et(sd(e)),n=this.component.scales[t];if(n&&!n.merged){const e=n.get("type"),i=n.get("range");if(Mr(e)&&Fn(i)){const e=n.get("name"),i=Dm(Fm(this,t));if(i){return{signal:ad(e,n,Fa({aggregate:"distinct",field:i},{expr:"datum"}))}}return Pi(Zn(t)),null}}}return{signal:this.signalNameMap.get(this.getName(e))}}lookupDataSource(e){const t=this.component.data.outputNodes[e];return t?t.getSource():e}getSignalName(e){return this.signalNameMap.get(e)}renameSignal(e,t){this.signalNameMap.rename(e,t)}renameScale(e,t){this.scaleNameMap.rename(e,t)}renameProjection(e,t){this.projectionNameMap.rename(e,t)}scaleName(e,t){return t?this.getName(e):rt(e)&&Zt(e)&&this.component.scales[e]||this.scaleNameMap.has(this.getName(e))?this.scaleNameMap.get(this.getName(e)):void 0}projectionName(e){return e?this.getName("projection"):this.component.projection&&!this.component.projection.merged||this.projectionNameMap.has(this.getName("projection"))?this.projectionNameMap.get(this.getName("projection")):void 0}getScaleComponent(e){if(!this.component.scales)throw new Error("getScaleComponent cannot be called before parseScale(). Make sure you have called parseScale or use parseUnitModelWithScale().");const t=this.component.scales[e];return t&&!t.merged?t:this.parent?this.parent.getScaleComponent(e):void 0}getScaleType(e){const t=this.getScaleComponent(e);return t?t.get("type"):void 0}getSelectionComponent(e,t){let n=this.component.selection[e];if(!n&&this.parent&&(n=this.parent.getSelectionComponent(e,t)),!n)throw new Error(`Cannot find a selection named "${t}".`);return n}hasAxisOrientSignalRef(){return this.component.axes.x?.some(e=>e.hasOrientSignalRef())||this.component.axes.y?.some(e=>e.hasOrientSignalRef())}}class dp extends fp{vgField(e,t={}){const n=this.fieldDef(e);if(n)return Fa(n,t)}reduceFieldDef(e,n){return function(e,n,i,r){return e?D(e).reduce((i,o)=>{const a=e[o];return t.isArray(a)?a.reduce((e,t)=>n.call(r,e,t,o),i):n.call(r,i,a,o)},i):i}(this.getMapping(),(t,n,i)=>{const r=Ta(n);return r?e(t,r,i):t},n)}forEachFieldDef(e,t){ls(this.getMapping(),(t,n)=>{const i=Ta(t);i&&e(i,n)},t)}}class mp extends Tl{transform;clone(){return new mp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t,this.transform=c(t);const n=this.transform.as??[void 0,void 0];this.transform.as=[n[0]??"value",n[1]??"density"];const i=this.transform.resolve??"shared";this.transform.resolve=i}dependentFields(){return new Set([this.transform.density,...this.transform.groupby??[]])}producedFields(){return new Set(this.transform.as)}hash(){return`DensityTransform ${d(this.transform)}`}assemble(){const{density:e,...t}=this.transform,n={type:"kde",field:e,...t};return n.resolve=this.transform.resolve,n}}class pp extends Tl{transform;clone(){return new pp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t,this.transform=c(t)}dependentFields(){return new Set([this.transform.extent])}producedFields(){return new Set([])}hash(){return`ExtentTransform ${d(this.transform)}`}assemble(){const{extent:e,param:t}=this.transform;return{type:"extent",field:e,signal:t}}}class gp extends Tl{transform;clone(){return new gp(this.parent,c(this.transform))}constructor(e,t){super(e),this.transform=t,this.transform=c(t);const{flatten:n,as:i=[]}=this.transform;this.transform.as=n.map((e,t)=>i[t]??e)}dependentFields(){return new Set(this.transform.flatten)}producedFields(){return new Set(this.transform.as)}hash(){return`FlattenTransform ${d(this.transform)}`}assemble(){const{flatten:e,as:t}=this.transform;return{type:"flatten",fields:e,as:t}}}class hp extends Tl{transform;clone(){return new hp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t,this.transform=c(t);const n=this.transform.as??[void 0,void 0];this.transform.as=[n[0]??"key",n[1]??"value"]}dependentFields(){return new Set(this.transform.fold)}producedFields(){return new Set(this.transform.as)}hash(){return`FoldTransform ${d(this.transform)}`}assemble(){const{fold:e,as:t}=this.transform;return{type:"fold",fields:e,as:t}}}class yp extends Tl{fields;geojson;signal;clone(){return new yp(null,c(this.fields),this.geojson,this.signal)}static parseAll(e,t){if(t.component.projection&&!t.component.projection.isFit)return e;let n=0;for(const i of[[pe,me],[he,ge]]){const r=i.map(e=>{const n=Ea(t.encoding[e]);return da(n)?n.field:pa(n)?{expr:`${n.datum}`}:xa(n)?{expr:`${n.value}`}:void 0});(r[0]||r[1])&&(e=new yp(e,r,null,t.getName("geojson_"+n++)))}if(t.channelHasField($e)){const i=t.typedFieldDef($e);i.type===vr&&(e=new yp(e,null,i.field,t.getName("geojson_"+n++)))}return e}constructor(e,t,n,i){super(e),this.fields=t,this.geojson=n,this.signal=i}dependentFields(){const e=(this.fields??[]).filter(t.isString);return new Set([...this.geojson?[this.geojson]:[],...e])}producedFields(){return new Set}hash(){return`GeoJSON ${this.geojson} ${this.signal} ${d(this.fields)}`}assemble(){return[...this.geojson?[{type:"filter",expr:`isValid(datum["${this.geojson}"])`}]:[],{type:"geojson",...this.fields?{fields:this.fields}:{},...this.geojson?{geojson:this.geojson}:{},signal:this.signal}]}}class vp extends Tl{projection;fields;as;clone(){return new vp(null,this.projection,c(this.fields),c(this.as))}constructor(e,t,n,i){super(e),this.projection=t,this.fields=n,this.as=i}static parseAll(e,t){if(!t.projectionName())return e;for(const n of[[pe,me],[he,ge]]){const i=n.map(e=>{const n=Ea(t.encoding[e]);return da(n)?n.field:pa(n)?{expr:`${n.datum}`}:xa(n)?{expr:`${n.value}`}:void 0}),r=n[0]===he?"2":"";(i[0]||i[1])&&(e=new vp(e,t.projectionName(),i,[t.getName(`x${r}`),t.getName(`y${r}`)]))}return e}dependentFields(){return new Set(this.fields.filter(t.isString))}producedFields(){return new Set(this.as)}hash(){return`Geopoint ${this.projection} ${d(this.fields)} ${d(this.as)}`}assemble(){return{type:"geopoint",projection:this.projection,fields:this.fields,as:this.as}}}class bp extends Tl{transform;clone(){return new bp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t}dependentFields(){return new Set([this.transform.impute,this.transform.key,...this.transform.groupby??[]])}producedFields(){return new Set([this.transform.impute])}processSequence(e){const{start:t=0,stop:n,step:i}=e;return{signal:`sequence(${[t,n,...i?[i]:[]].join(",")})`}}static makeFromTransform(e,t){return new bp(e,t)}static makeFromEncoding(e,t){const n=t.encoding,i=n.x,r=n.y;if(da(i)&&da(r)){const o=i.impute?i:r.impute?r:void 0;if(void 0===o)return;const a=i.impute?r:r.impute?i:void 0,{method:s,value:c,frame:l,keyvals:u}=o.impute,f=us(t.mark,n);return new bp(e,{impute:o.field,key:a.field,...s?{method:s}:{},...void 0!==c?{value:c}:{},...l?{frame:l}:{},...void 0!==u?{keyvals:u}:{},...f.length?{groupby:f}:{}})}return null}hash(){return`Impute 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${d(this.transform)}`}assemble(){const{loess:e,on:t,...n}=this.transform;return{type:"loess",x:t,y:e,...n}}}class $p extends Tl{transform;secondary;clone(){return new $p(null,c(this.transform),this.secondary)}constructor(e,t,n){super(e),this.transform=t,this.secondary=n}static make(e,t,n,i){const r=t.component.data.sources,{from:o}=n;let a=null;if(function(e){return Z(e,"data")}(o)){let e=Ep(o.data,r);e||(e=new Ud(o.data),r.push(e));const n=t.getName(`lookup_${i}`);a=new El(e,n,Al.Lookup,t.component.data.outputNodeRefCounts),t.component.data.outputNodes[n]=a}else if(function(e){return Z(e,"param")}(o)){const e=o.param;let i;n={as:e,...n};try{i=t.getSelectionComponent(C(e),e)}catch{throw new Error(`Lookups can only be performed on selection parameters. 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Try moving the lookup into a second, layered view?`}(e))}return new $p(e,n,a.getSource())}dependentFields(){return new Set([this.transform.lookup])}producedFields(){return new Set(this.transform.as?t.array(this.transform.as):this.transform.from.fields)}hash(){return`Lookup ${d({transform:this.transform,secondary:this.secondary})}`}assemble(){let e;if(this.transform.from.fields)e={values:this.transform.from.fields,...this.transform.as?{as:t.array(this.transform.as)}:{}};else{let n=this.transform.as;t.isString(n)||(Pi('If "from.fields" is not specified, "as" has to be a string that specifies the key to be used for the data from the secondary source.'),n="_lookup"),e={as:[n]}}return{type:"lookup",from:this.secondary,key:this.transform.from.key,fields:[this.transform.lookup],...e,...this.transform.default?{default:this.transform.default}:{}}}}class wp extends Tl{transform;clone(){return new wp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t,this.transform=c(t);const n=this.transform.as??[void 0,void 0];this.transform.as=[n[0]??"prob",n[1]??"value"]}dependentFields(){return new Set([this.transform.quantile,...this.transform.groupby??[]])}producedFields(){return new Set(this.transform.as)}hash(){return`QuantileTransform ${d(this.transform)}`}assemble(){const{quantile:e,...t}=this.transform;return{type:"quantile",field:e,...t}}}class kp extends Tl{transform;clone(){return new kp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t,this.transform=c(t);const n=this.transform.as??[void 0,void 0];this.transform.as=[n[0]??t.on,n[1]??t.regression]}dependentFields(){return new Set([this.transform.regression,this.transform.on,...this.transform.groupby??[]])}producedFields(){return new Set(this.transform.as)}hash(){return`RegressionTransform ${d(this.transform)}`}assemble(){const{regression:e,on:t,...n}=this.transform;return{type:"regression",x:t,y:e,...n}}}class Sp extends Tl{transform;clone(){return new Sp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t}addDimensions(e){this.transform.groupby=b((this.transform.groupby??[]).concat(e),e=>e)}producedFields(){}dependentFields(){return new Set([this.transform.pivot,this.transform.value,...this.transform.groupby??[]])}hash(){return`PivotTransform ${d(this.transform)}`}assemble(){const{pivot:e,value:t,groupby:n,limit:i,op:r}=this.transform;return{type:"pivot",field:e,value:t,...void 0!==i?{limit:i}:{},...void 0!==r?{op:r}:{},...void 0!==n?{groupby:n}:{}}}}class Dp extends Tl{transform;clone(){return new Dp(null,c(this.transform))}constructor(e,t){super(e),this.transform=t}dependentFields(){return new Set}producedFields(){return new Set}hash(){return`SampleTransform ${d(this.transform)}`}assemble(){return{type:"sample",size:this.transform.sample}}}function Fp(e){let t=0;return function n(i,r){if(i instanceof Ud&&!i.isGenerator&&!Fl(i.data)){e.push(r);r={name:null,source:r.name,transform:[]}}if(i instanceof qd&&(i.parent 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d=Ln("aria",r,a),p=tg[i].postEncodingTransform?tg[i].postEncodingTransform(e):null;return[{name:e.getName("marks"),type:tg[i].vgMark,...s?{clip:s}:{},...c?{style:c}:{},...l?{key:l.field}:{},...u?{sort:u}:{},...f||{},...!1===d?{aria:d}:{},from:{data:n.fromPrefix+e.requestDataName(Al.Main)},encode:{update:tg[i].encodeEntry(e)},...p?{transform:p}:{}}]}class ag extends dp{markDef;encoding;specifiedScales={};stack;specifiedAxes={};specifiedLegends={};specifiedProjection={};selection=[];children=[];constructor(e,n,i,r={},o){super(e,"unit",n,i,o,void 0,Ks(e)?e.view:void 0);const a=yo(e.mark)?{...e.mark}:{type:e.mark},s=a.type;void 0===a.filled&&(a.filled=function(e,t,{graticule:n}){if(n)return!1;const i=Wn("filled",e,t),r=e.type;return I(i,r!==ro&&r!==io&&r!==ao)}(a,o,{graticule:e.data&&Nl(e.data)}));const c=this.encoding=function(e,n,i,r){const o={};for(const t of D(e))rt(t)||Pi(pi(t));for(let a of pt){if(!e[a])continue;const s=e[a];if(qt(a)){const 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F(e.component.selection??{})){const a={name:o.name+mf};if(o.project.hasSelectionId&&(a.transform=[{type:"collect",sort:{field:Ws}}]),o.init){const e=o.project.items.map(ru);a.values=o.project.hasSelectionId?o.init.map(e=>({unit:r,[Ws]:ou(e,!1)[0]})):o.init.map(t=>({unit:r,fields:e,values:ou(t,!1)}))}if([...n,...t].filter(e=>e.name===o.name+mf).length||n.push(a),$f(o)&&t.length){const n=e.lookupDataSource(e.getDataName(Al.Main)),r=t.find(e=>e.name===n),o=r.transform.find(e=>"filter"===e.type&&e.expr.includes("vlSelectionTest"));if(o){r.transform=r.transform.filter(e=>e!==o);const e={name:r.name+Yl,source:r.name,transform:[o]};i.push(e)}}}return n.concat(t,i)}(this,e)}assembleLayout(){return null}assembleLayoutSignals(){return id(this)}correctDataNames=e=>(e.from?.data&&(e.from.data=this.lookupDataSource(e.from.data),"time"in this.encoding&&(e.from.data=e.from.data+Yl)),e.from?.facet?.data&&(e.from.facet.data=this.lookupDataSource(e.from.facet.data)),e);assembleMarks(){let e=this.component.mark??[];return this.parent&&up(this.parent)||(e=cu(this,e)),e.map(this.correctDataNames)}assembleGroupStyle(){const{style:e}=this.view||{};return void 0!==e?e:this.encoding.x||this.encoding.y?"cell":"view"}getMapping(){return this.encoding}get mark(){return this.markDef.type}channelHasField(e){return ns(this.encoding,e)}fieldDef(e){return Ta(this.encoding[e])}typedFieldDef(e){const t=this.fieldDef(e);return ba(t)?t:null}}class sg extends fp{children;constructor(e,t,n,i,r){super(e,"layer",t,n,r,e.resolve,e.view);const o={...i,...e.width?{width:e.width}:{},...e.height?{height:e.height}:{}};this.children=e.layer.map((e,t)=>{if(hc(e))return new sg(e,this,this.getName(`layer_${t}`),o,r);if(es(e))return new ag(e,this,this.getName(`layer_${t}`),o,r);throw new Error(Yn(e))})}parseData(){this.component.data=Mp(this);for(const e of this.children)e.parseData()}parseLayoutSize(){var e;Pp(e=this),Np(e,"width"),Np(e,"height")}parseSelections(){this.component.selection={};for(const 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diff --git a/man/ggsqlOutput.Rd b/man/ggsqlOutput.Rd new file mode 100644 index 0000000..9201e00 --- /dev/null +++ b/man/ggsqlOutput.Rd @@ -0,0 +1,56 @@ +% Generated by roxygen2: do not edit by hand +% Please edit documentation in R/shiny.R +\name{ggsqlOutput} +\alias{ggsqlOutput} +\alias{renderGgsql} +\title{Shiny bindings for ggsql} +\usage{ +ggsqlOutput(outputId, width = "100\%", height = "400px") + +renderGgsql(expr, reader = NULL, env = parent.frame(), quoted = FALSE) +} +\arguments{ +\item{outputId}{Output variable to read from.} + +\item{width, height}{CSS dimensions for the output container.} + +\item{expr}{An expression that returns a ggsql query string or a \code{Spec} +object. Strings may contain \code{r:varname} references that resolve variables +from the expression's local scope (see Examples).} + +\item{reader}{A \code{Reader} object created by \code{\link[=duckdb_reader]{duckdb_reader()}}. When \code{NULL} +(the default), the session reader set by \code{\link[=ggsql_session_reader]{ggsql_session_reader()}} is used.} + +\item{env}{The environment in which to evaluate \code{expr}.} + +\item{quoted}{Logical. Is \code{expr} a quoted expression?} +} +\value{ +\code{ggsqlOutput()} returns a Shiny UI element. \code{renderGgsql()} returns +a Shiny render function. +} +\description{ +Render ggsql visualizations in a Shiny application. \code{renderGgsql()} accepts +either a ggsql query string or a \code{Spec} object (returned by +\code{\link[=ggsql_execute]{ggsql_execute()}}). When given a string, it validates and executes the query +against \code{reader}. +} +\examples{ +\dontshow{if (interactive() && requireNamespace("shiny", quietly = TRUE)) withAutoprint(\{ # examplesIf} +library(shiny) + +ui <- fluidPage( + ggsqlOutput("chart") +) + +server <- function(input, output, session) { + ggsql_session_reader(duckdb_reader()) + + output$chart <- renderGgsql({ + "SELECT * FROM r:mtcars VISUALISE mpg AS x, disp AS y DRAW point" + }) +} + +shinyApp(ui, server) +\dontshow{\}) # examplesIf} +} diff --git a/man/ggsql_session_reader.Rd b/man/ggsql_session_reader.Rd new file mode 100644 index 0000000..4478fca --- /dev/null +++ b/man/ggsql_session_reader.Rd @@ -0,0 +1,41 @@ +% Generated by roxygen2: do not edit by hand +% Please edit documentation in R/shiny.R +\name{ggsql_session_reader} +\alias{ggsql_session_reader} +\title{Set the ggsql reader for the current Shiny session} +\usage{ +ggsql_session_reader(reader, session = shiny::getDefaultReactiveDomain()) +} +\arguments{ +\item{reader}{A \code{Reader} object created by \code{\link[=duckdb_reader]{duckdb_reader()}}.} + +\item{session}{The Shiny session object. Defaults to the current session.} +} +\value{ +The \code{reader}, invisibly. +} +\description{ +Registers a \code{\link[=duckdb_reader]{duckdb_reader()}} for use by all \code{\link[=renderGgsql]{renderGgsql()}} outputs in the +current Shiny session. Must be called from within a Shiny server function +(i.e., while a session is active). The reader is automatically cleaned up +when the session ends. +} +\examples{ +\dontshow{if (interactive() && requireNamespace("shiny", quietly = TRUE)) withAutoprint(\{ # examplesIf} +library(shiny) + +ui <- fluidPage( + ggsqlOutput("chart") +) + +server <- function(input, output, session) { + ggsql_session_reader(duckdb_reader()) + + output$chart <- renderGgsql({ + "SELECT * FROM r:mtcars VISUALISE mpg AS x, disp AS y DRAW point" + }) +} + +shinyApp(ui, server) +\dontshow{\}) # examplesIf} +} diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..ecba523 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1073 @@ +{ + "name": "ggsql-js", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "ggsql-js", + "devDependencies": { + "@types/node": "^22.0.0", + "esbuild": "^0.25.0", + "tsx": "^4.19.0", + "typescript": "^5.8.0" + } + }, + "node_modules/@esbuild/aix-ppc64": { + "version": "0.25.12", + "resolved": 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100644 --- a/src/Makevars.in +++ b/src/Makevars.in @@ -2,13 +2,9 @@ TARGET_DIR = ./rust/target LIBDIR = $(TARGET_DIR)/@LIBDIR@ STATLIB = $(LIBDIR)/libggsql.a -# Resolve ODBC driver manager (unixODBC or iODBC). pkg-config picks up the -# right -L/-l flags when a .pc file is available (e.g. homebrew unixODBC on -# macOS); otherwise fall back to plain -lodbc, which works on most Linux -# distros where libodbc.so sits in a default search path. -ODBC_LIBS = $(shell pkg-config --libs odbc 2>/dev/null || echo -lodbc) - -PKG_LIBS = -L$(LIBDIR) -lggsql $(ODBC_LIBS) +# ODBC driver manager flags (unixODBC or iODBC) are resolved at configure +# time by tools/config.R via pkg-config, falling back to plain -lodbc. +PKG_LIBS = -L$(LIBDIR) -lggsql @ODBC_LIBS@ all: $(SHLIB) rust_clean diff --git a/srcts/build-lib.mjs b/srcts/build-lib.mjs new file mode 100644 index 0000000..d668ec3 --- /dev/null +++ b/srcts/build-lib.mjs @@ -0,0 +1,20 @@ +import esbuild from "esbuild"; +import path from "node:path"; +import { fileURLToPath } from "node:url"; + +const moduleDir = path.dirname(fileURLToPath(import.meta.url)); +const repoRoot = path.resolve(moduleDir, ".."); + +export const generatedAsset = "inst/htmlwidgets/ggsql_vega.js"; + +export async function buildWidget() { + await esbuild.build({ + entryPoints: [path.join(moduleDir, "index.ts")], + bundle: true, + outfile: path.join(repoRoot, generatedAsset), + format: "iife", + target: ["es2020"], + sourcemap: false, + platform: "browser", + }); +} diff --git a/srcts/build.mjs b/srcts/build.mjs new file mode 100644 index 0000000..49327b8 --- /dev/null +++ b/srcts/build.mjs @@ -0,0 +1,10 @@ +// Bundles srcts/index.ts → inst/htmlwidgets/ggsql_vega.js as an IIFE +// (immediately-invoked function expression) suitable for loading in a browser. +// Run via: npm run build + +import { buildWidget } from "./build-lib.mjs"; + +buildWidget().catch((error) => { + console.error(error); + process.exit(1); +}); diff --git a/srcts/index.ts b/srcts/index.ts new file mode 100644 index 0000000..0187e45 --- /dev/null +++ b/srcts/index.ts @@ -0,0 +1,52 @@ +// Bundle entrypoint — registers VegaWidget as a custom element and +// wires it up as an htmlwidgets binding. This is the only file with +// side effects; everything else is pure exports. + +import { VegaWidget, type WidgetValue } from "./vega/widget"; + +type HtmlWidgetInstance = { + renderValue: (x: WidgetValue) => void; + resize: (width: number, height: number) => void; +}; + +type HtmlWidgetDefinition = { + name: string; + type: string; + factory: (el: VegaWidget) => HtmlWidgetInstance; + renderError: (el: VegaWidget, err: { message: string }) => void; + clearError: (el: VegaWidget) => void; +}; + +declare const HTMLWidgets: { + widget: (definition: HtmlWidgetDefinition) => void; +}; + +HTMLWidgets.widget({ + name: "ggsql_vega", + type: "output", + + factory(el) { + return { + renderValue(x) { + el.renderValue(x); + }, + + resize(width, height) { + el.resize(width, height); + } + }; + }, + + renderError(el, err) { + el.finalize(); + el.textContent = err.message; + }, + + clearError(el) { + el.textContent = ""; + } +}); + +if (!customElements.get("ggsql-vega")) { + customElements.define("ggsql-vega", VegaWidget); +} diff --git a/srcts/vega/compound_sizing.test.ts b/srcts/vega/compound_sizing.test.ts new file mode 100644 index 0000000..f8e0f2d --- /dev/null +++ b/srcts/vega/compound_sizing.test.ts @@ -0,0 +1,216 @@ +import * as assert from "node:assert/strict"; +import { test } from "node:test"; + +import { + allocateCompoundChartSize, + isCompoundSpec +} from "./compound_sizing"; + +// --- isCompound --- + +test("isCompound returns false for a simple mark spec", () => { + assert.equal(isCompoundSpec({ mark: "point" }), false); +}); + +test("isCompound returns true for facet spec", () => { + assert.equal(isCompoundSpec({ facet: { field: "x" }, spec: {} }), true); +}); + +test("isCompound returns true for hconcat spec", () => { + assert.equal(isCompoundSpec({ hconcat: [{}, {}] }), true); +}); + +test("isCompound returns true for vconcat spec", () => { + assert.equal(isCompoundSpec({ vconcat: [{}, {}] }), true); +}); + +test("isCompound returns true for concat spec", () => { + assert.equal(isCompoundSpec({ concat: [{}, {}] }), true); +}); + +// --- allocateCompoundSize --- + +test("allocateCompoundSize divides concat height by inferred row count", () => { + const spec = { + concat: [{ mark: "point" }, { mark: "bar" }, { mark: "line" }], + columns: 2 + }; + const layout = { renderWidth: 900, renderHeight: 500 }; + const result = allocateCompoundChartSize(spec, layout) as { + concat: Array<{ width: number; height: number }>; + }; + + assert.equal(result.concat[0].width, 410); + assert.equal(result.concat[1].width, 410); + assert.equal(result.concat[2].width, 410); + assert.equal(result.concat[0].height, 190); + assert.equal(result.concat[1].height, 190); + assert.equal(result.concat[2].height, 190); +}); + +test("allocateCompoundSize divides facet height by inferred row count", () => { + const spec = { + data: { + values: [ + { facet_key: "a" }, + { facet_key: "b" }, + { facet_key: "c" }, + { facet_key: "d" }, + { facet_key: "e" }, + { facet_key: "f" } + ] + }, + facet: { field: "facet_key" }, + columns: 3, + spec: { mark: "point" } + }; + const layout = { renderWidth: 900, renderHeight: 500 }; + const result = allocateCompoundChartSize(spec, layout) as { + spec: { width: number; height: number }; + }; + + assert.equal(result.spec.width, 273); + assert.equal(result.spec.height, 190); +}); + +test("allocateCompoundSize clamps facet dimensions to at least one pixel", () => { + const values: Array<{ facet_key: string }> = []; + for (let i = 0; i < 200; i += 1) { + values.push({ facet_key: `facet_${i}` }); + } + + const spec = { + data: { values }, + facet: { field: "facet_key" }, + columns: 1, + spec: { mark: "point" } + }; + const layout = { renderWidth: 120, renderHeight: 120 }; + const result = allocateCompoundChartSize(spec, layout) as { + spec: { width: number; height: number }; + }; + + assert.equal(result.spec.width, 100); + assert.equal(result.spec.height, 1); +}); + +test("allocateCompoundSize distributes hconcat children across usable width", () => { + const spec = { hconcat: [{ mark: "point" }, { mark: "bar" }] }; + const layout = { renderWidth: 900, renderHeight: 500 }; + const result = allocateCompoundChartSize(spec, layout) as { + hconcat: Array<{ width: number; height: number }>; + }; + + assert.equal(result.hconcat[0].width, 410); + assert.equal(result.hconcat[0].height, 380); + assert.equal(result.hconcat[1].width, 410); +}); + +test("allocateCompoundSize handles row/column grid facets", () => { + const spec = { + data: { + values: [ + { r: "a", c: "x" }, + { r: "a", c: "y" }, + { r: "a", c: "z" }, + { r: "b", c: "x" }, + { r: "b", c: "y" }, + { r: "b", c: "z" } + ] + }, + facet: { row: { field: "r" }, column: { field: "c" } }, + spec: { mark: "point" } + }; + const layout = { renderWidth: 900, renderHeight: 500 }; + const result = allocateCompoundChartSize(spec, layout) as { + spec: { width: number; height: number }; + }; + + // 3 columns: usable_w=820, 820/3 = 273 + assert.equal(result.spec.width, 273); + // 2 rows: usable_h=380, 380/2 = 190 + assert.equal(result.spec.height, 190); +}); + +test("allocateCompoundSize handles row-only grid facet", () => { + const spec = { + data: { + values: [ + { r: "a" }, { r: "b" }, { r: "c" } + ] + }, + facet: { row: { field: "r" } }, + spec: { mark: "point" } + }; + const layout = { renderWidth: 900, renderHeight: 500 }; + const result = allocateCompoundChartSize(spec, layout) as { + spec: { width: number; height: number }; + }; + + // No column facet: columnCount=1, full usable width + assert.equal(result.spec.width, 820); + // 3 rows: usable_h=380, 380/3 = 126 + assert.equal(result.spec.height, 126); +}); + +test("allocateCompoundSize does not mutate the input spec", () => { + const sub: { mark: string; width?: number } = { mark: "point" }; + const spec: { concat: Array<{ mark: string; width?: number }>; columns: number } = { + concat: [sub], + columns: 1 + }; + const layout = { renderWidth: 600, renderHeight: 400 }; + + allocateCompoundChartSize(spec, layout); + + assert.equal(spec.concat[0].width, undefined); + assert.equal(sub.width, undefined); +}); + +test("allocateCompoundSize subtracts legend width when a legend channel has a field", () => { + const base = { concat: [{ mark: "point" }] }; + const withLegend = { + concat: [ + { + mark: "point", + encoding: { color: { field: "c" } } + } + ] + }; + const layout = { renderWidth: 900, renderHeight: 500 }; + + const baseResult = allocateCompoundChartSize(base, layout) as { + concat: Array<{ width: number; height: number }>; + }; + const legendResult = allocateCompoundChartSize(withLegend, layout) as { + concat: Array<{ width: number; height: number }>; + }; + + // LEGEND_WIDTH = 120, so the legend spec should be 120px narrower + assert.equal(baseResult.concat[0].width - legendResult.concat[0].width, 120); + assert.equal(baseResult.concat[0].height, legendResult.concat[0].height); +}); + +test("allocateCompoundSize detects legends inside layers", () => { + const spec = { + concat: [ + { + layer: [ + { mark: "line", encoding: { x: { field: "a" } } }, + { mark: "point", encoding: { color: { field: "b" } } } + ] + } + ] + }; + const noLegend = { concat: [{ mark: "point" }] }; + const layout = { renderWidth: 900, renderHeight: 500 }; + + const result = allocateCompoundChartSize(spec, layout) as { + concat: Array<{ width: number; height: number }>; + }; + const baseResult = allocateCompoundChartSize(noLegend, layout) as { + concat: Array<{ width: number; height: number }>; + }; + + assert.equal(baseResult.concat[0].width - result.concat[0].width, 120); +}); diff --git a/srcts/vega/compound_sizing.ts b/srcts/vega/compound_sizing.ts new file mode 100644 index 0000000..e21f66c --- /dev/null +++ b/srcts/vega/compound_sizing.ts @@ -0,0 +1,183 @@ +// Pre-allocate sub-chart dimensions for compound Vega-Lite specs. +// +// Compound specs (facet, hconcat, vconcat, concat) don't reliably autosize +// into the available container with Vega-Lite's built-in autosize. This module +// inspects the spec structure and writes explicit width/height into each +// sub-chart before we hand the spec to vega-embed. + +export type AnyRecord = Record; + +// These types model just enough of each Vega-Lite compound spec shape to +// extract the fields we need. They intersect with AnyRecord so we can spread +// any extra keys through unchanged. + +type FacetSpec = AnyRecord & { + facet: { field?: unknown; row?: { field?: unknown }; column?: { field?: unknown } }; + columns?: number; + spec?: AnyRecord; + data?: { values?: AnyRecord[] }; +}; + +type HConcatSpec = AnyRecord & { + hconcat: AnyRecord[]; +}; + +type VConcatSpec = AnyRecord & { + vconcat: AnyRecord[]; +}; + +type ConcatSpec = AnyRecord & { + concat: AnyRecord[]; + columns?: number; +}; + +export type CompoundSizingLayout = { + renderWidth: number; + renderHeight: number; +}; + +// Approximate space consumed by axes, legends, and padding that sit outside +// the plot area. These are rough estimates — Vega's actual padding depends on +// label lengths, legend position, etc. +const OUTER_PAD_X = 80; +const OUTER_PAD_Y = 120; +const LEGEND_WIDTH = 120; + +const LEGEND_CHANNELS = new Set([ + "color", "fill", "stroke", "shape", "size", "opacity" +]); + +export function isCompoundSpec(spec: AnyRecord): boolean { + return ( + "facet" in spec || + "hconcat" in spec || + "vconcat" in spec || + "concat" in spec + ); +} + +// Compound Vega-Lite specs don't reliably autosize, so we pre-allocate child +// dimensions before handing the spec to vega-embed. +export function allocateCompoundChartSize( + spec: AnyRecord, + layout: CompoundSizingLayout +): AnyRecord { + const paddingX = OUTER_PAD_X + (hasLegend(spec) ? LEGEND_WIDTH : 0); + const usableWidth = Math.max(layout.renderWidth - paddingX, 100); + const usableHeight = Math.max(layout.renderHeight - OUTER_PAD_Y, 100); + + if ("facet" in spec) { + const facetSpec = spec as FacetSpec; + const isGridFacet = facetSpec.facet.row != null || facetSpec.facet.column != null; + + let columnCount: number; + let rowCount: number; + + if (isGridFacet) { + columnCount = inferDistinctCount(facetSpec, facetSpec.facet.column?.field) || 1; + rowCount = inferDistinctCount(facetSpec, facetSpec.facet.row?.field) || 1; + } else { + columnCount = Math.max(facetSpec.columns || 1, 1); + rowCount = inferFacetRows(facetSpec, columnCount); + } + + const cellWidth = Math.max(Math.floor(usableWidth / Math.max(columnCount, 1)), 1); + const cellHeight = Math.max(Math.floor(usableHeight / Math.max(rowCount, 1)), 1); + return { + ...facetSpec, + spec: { ...(facetSpec.spec ?? {}), width: cellWidth, height: cellHeight } + }; + } + + if ("hconcat" in spec) { + const hconcatSpec = spec as HConcatSpec; + const cellWidth = Math.max( + Math.floor(usableWidth / Math.max(hconcatSpec.hconcat.length, 1)), + 1 + ); + return { + ...hconcatSpec, + hconcat: hconcatSpec.hconcat.map((subspec) => ({ + ...subspec, + width: cellWidth, + height: usableHeight + })) + }; + } + + if ("vconcat" in spec) { + const vconcatSpec = spec as VConcatSpec; + const cellHeight = Math.max( + Math.floor(usableHeight / Math.max(vconcatSpec.vconcat.length, 1)), + 1 + ); + return { + ...vconcatSpec, + vconcat: vconcatSpec.vconcat.map((subspec) => ({ + ...subspec, + width: usableWidth, + height: cellHeight + })) + }; + } + + if ("concat" in spec) { + const concatSpec = spec as ConcatSpec; + const columnCount = Math.max(concatSpec.columns || concatSpec.concat.length || 1, 1); + const rowCount = Math.ceil(concatSpec.concat.length / columnCount); + const cellWidth = Math.max(Math.floor(usableWidth / Math.max(columnCount, 1)), 1); + const cellHeight = Math.max(Math.floor(usableHeight / Math.max(rowCount, 1)), 1); + return { + ...concatSpec, + concat: concatSpec.concat.map((subspec) => ({ + ...subspec, + width: cellWidth, + height: cellHeight + })) + }; + } + + return { ...spec }; +} + +function hasLegend(spec: AnyRecord): boolean { + const subSpecs: AnyRecord[] = []; + if ("spec" in spec) subSpecs.push(spec.spec as AnyRecord); + for (const key of ["hconcat", "vconcat", "concat"] as const) { + if (key in spec) subSpecs.push(...(spec[key] as AnyRecord[])); + } + for (const sub of subSpecs) { + const layers = (Array.isArray(sub.layer) ? sub.layer : [sub]) as AnyRecord[]; + for (const layer of layers) { + const enc = layer.encoding as AnyRecord | undefined; + if (!enc) continue; + for (const ch of LEGEND_CHANNELS) { + if (ch in enc && typeof enc[ch] === "object" && enc[ch] !== null && "field" in (enc[ch] as AnyRecord)) { + return true; + } + } + } + } + return false; +} + +function inferFacetRows(spec: FacetSpec, columns: number): number { + const count = inferDistinctCount(spec, spec.facet?.field); + if (count <= 0) return 1; + return Math.ceil(count / Math.max(columns, 1)); +} + +// Count distinct values of a field from inline data. Returns 0 if the +// data isn't inline (e.g., loaded from a URL) or the field is missing. +function inferDistinctCount(spec: FacetSpec, field: unknown): number { + if (typeof field !== "string") return 0; + const values = spec.data && Array.isArray(spec.data.values) ? spec.data.values : null; + if (!values || values.length === 0) return 0; + + const seen: Record = Object.create(null) as Record; + for (let i = 0; i < values.length; i += 1) { + if (!Object.prototype.hasOwnProperty.call(values[i], field)) continue; + seen[String(values[i][field])] = true; + } + return Object.keys(seen).length; +} diff --git a/srcts/vega/test-helpers.ts b/srcts/vega/test-helpers.ts new file mode 100644 index 0000000..cf85282 --- /dev/null +++ b/srcts/vega/test-helpers.ts @@ -0,0 +1,238 @@ +// Test helpers shared by srcts/vega/widget.test.ts and other widget tests. +// +// Tests run in Node via `tsx --test`, not in a browser. We use Node's `vm` +// module to execute an in-memory IIFE bundle compiled from srcts/index.ts in a +// sandboxed context with mock DOM/HTMLWidgets globals so we can exercise +// renderValue/resize logic without a real browser. + +import * as assert from "node:assert/strict"; +import * as path from "node:path"; +import * as vm from "node:vm"; +import { buildSync } from "esbuild"; + +type Resolver = (value: T | PromiseLike) => void; +type Rejecter = (reason?: unknown) => void; + +type WidgetDefinition = { + name: string; + factory: (el: MockHTMLElement, width: number, height: number) => WidgetInstance; +}; + +type WidgetInstance = { + renderValue: (x: { spec: Record }) => void; + resize: (width: number, height: number) => void; +}; + +type WidgetView = { + finalize?: () => void; +}; + +class MockHTMLElement { + tagName: string; + style: Record; + children: MockHTMLElement[]; + parentNode: MockHTMLElement | null; + clientWidth: number; + clientHeight: number; + scrollHeight: number; + isConnected: boolean; + textContent: string; + className: string; + disconnectedCallback?: () => void; + classList: { + add: (...names: string[]) => void; + remove: (...names: string[]) => void; + contains: (name: string) => boolean; + }; + + _innerHTML: string; + _classes: Set; + _view: WidgetView | null; + _scaleWrapper: MockHTMLElement | null; + _vegaContainer: MockHTMLElement | null; + + constructor(tagName?: string) { + this.tagName = String(tagName ?? "div").toUpperCase(); + this.style = {}; + this.children = []; + this.parentNode = null; + this.clientWidth = 450; + this.clientHeight = 400; + this.scrollHeight = 200; + this.isConnected = true; + this.textContent = ""; + this.className = ""; + this._innerHTML = ""; + this._classes = new Set(); + this._view = null; + this._scaleWrapper = null; + this._vegaContainer = null; + this.classList = { + add: (...names: string[]) => { + for (const name of names) this._classes.add(name); + }, + remove: (...names: string[]) => { + for (const name of names) this._classes.delete(name); + }, + contains: (name: string) => this._classes.has(name) + }; + } + + appendChild(child: MockHTMLElement): MockHTMLElement { + child.parentNode = this; + this.children.push(child); + return child; + } + + insertBefore(child: MockHTMLElement, ref: MockHTMLElement | null): MockHTMLElement { + let idx = ref ? this.children.indexOf(ref) : this.children.length; + if (idx === -1) idx = this.children.length; + child.parentNode = this; + this.children.splice(idx, 0, child); + return child; + } + + removeChild(child: MockHTMLElement): MockHTMLElement { + const idx = this.children.indexOf(child); + if (idx !== -1) this.children.splice(idx, 1); + child.parentNode = null; + return child; + } + + remove(): void { + this.isConnected = false; + if (this.parentNode) this.parentNode.removeChild(this); + if (typeof this.disconnectedCallback === "function") this.disconnectedCallback(); + } + + get innerHTML(): string { + return this._innerHTML; + } + + set innerHTML(value: string) { + this._innerHTML = value; + this.children = []; + this.textContent = ""; + } + + get firstChild(): MockHTMLElement | null { + return this.children[0] ?? null; + } +} + +function widgetEntryPointPath(): string { + return path.join(process.cwd(), "srcts", "index.ts"); +} + +function runBundleInContext(context: vm.Context): void { + const scriptPath = widgetEntryPointPath(); + const result = buildSync({ + entryPoints: [scriptPath], + bundle: true, + format: "iife", + platform: "browser", + target: ["es2020"], + write: false + }); + const source = result.outputFiles[0]?.text; + + if (!source) { + throw new Error("expected esbuild to produce an in-memory widget bundle"); + } + + vm.runInNewContext(source, context, { filename: scriptPath }); +} + +export function createDeferred(): { + promise: Promise; + resolve: Resolver; + reject: Rejecter; +} { + let resolve!: Resolver; + let reject!: Rejecter; + const promise = new Promise((res, rej) => { + resolve = res; + reject = rej; + }); + return { promise, resolve, reject }; +} + +export async function flushMicrotasks(): Promise { + await Promise.resolve(); + await Promise.resolve(); +} + +export function createWidgetTestEnvironment(): { + createInstance: (clientWidth?: number, clientHeight?: number) => { + el: MockHTMLElement; + instance: WidgetInstance; + }; + setEmbed: ( + impl: (container: MockHTMLElement, spec: Record) => Promise<{ view: WidgetView }> + ) => void; +} { + let capturedDef: WidgetDefinition | undefined; + const definedElements = new Map MockHTMLElement>(); + + const context = { + HTMLWidgets: { + widget: (def: WidgetDefinition) => { + capturedDef = def; + } + }, + HTMLElement: MockHTMLElement, + customElements: { + define: (name: string, ctor: new () => MockHTMLElement) => { + definedElements.set(name, ctor); + }, + get: (name: string) => definedElements.get(name) + }, + vegaEmbed: null as null | (( + container: MockHTMLElement, + spec: Record + ) => Promise<{ view: WidgetView }>), + requestAnimationFrame: (fn: () => void) => { + fn(); + }, + document: { + head: new MockHTMLElement("head"), + createElement: (tag: string) => { + const ctor = definedElements.get(String(tag).toLowerCase()); + if (ctor) return new ctor(); + return new MockHTMLElement(tag); + } + }, + console, + Promise + } as unknown as vm.Context & { + vegaEmbed: (( + container: MockHTMLElement, + spec: Record + ) => Promise<{ view: WidgetView }>) | null; + }; + + (context as unknown as vm.Context & { window: unknown }).window = context; + runBundleInContext(context); + + if (!capturedDef) { + throw new Error("widget definition should be registered"); + } + const widgetDef: WidgetDefinition = capturedDef; + assert.equal(widgetDef.name, "ggsql_vega"); + assert.ok(definedElements.get("ggsql-vega"), "custom element should be registered"); + + return { + createInstance: (clientWidth = 450, clientHeight = 400) => { + const Ctor = definedElements.get("ggsql-vega"); + assert.ok(Ctor, "expected ggsql-vega custom element"); + const el = new Ctor(); + el.clientWidth = clientWidth; + el.clientHeight = clientHeight; + const instance = widgetDef.factory(el, el.clientWidth, el.clientHeight); + return { el, instance }; + }, + setEmbed: (impl) => { + context.vegaEmbed = impl; + } + }; +} diff --git a/srcts/vega/widget.test.ts b/srcts/vega/widget.test.ts new file mode 100644 index 0000000..443e7a6 --- /dev/null +++ b/srcts/vega/widget.test.ts @@ -0,0 +1,334 @@ +import * as assert from "node:assert/strict"; +import * as fs from "node:fs/promises"; +import * as path from "node:path"; +import { test } from "node:test"; + +import { createDeferred, createWidgetTestEnvironment, flushMicrotasks } from "./test-helpers"; + +test("loads widget tests from TypeScript sources without requiring the built bundle", async () => { + const bundlePath = path.join(process.cwd(), "inst", "htmlwidgets", "ggsql_vega.js"); + const backupPath = `${bundlePath}.bak`; + + await fs.rename(bundlePath, backupPath); + + try { + const env = await createWidgetTestEnvironment(); + env.setEmbed((container, spec) => + Promise.resolve({ + view: { spec, finalize: () => {} } + }) + ); + + const w = env.createInstance(450, 400); + w.instance.renderValue({ spec: { mark: "point" } }); + await flushMicrotasks(); + } finally { + await fs.rename(backupPath, bundlePath); + } +}); + +test("keeps the layout height while rendering a scaled simple spec", async () => { + const env = createWidgetTestEnvironment(); + env.setEmbed((container, spec) => { + container.scrollHeight = 200; + return Promise.resolve({ + view: { spec, finalize: () => {} } + }); + }); + + const w = env.createInstance(225); // < 450 = scaled + w.el.style.height = "400px"; + + w.instance.renderValue({ spec: { name: "first" } }); + await flushMicrotasks(); + assert.equal(w.el.style.height, "400px"); + + w.instance.renderValue({ spec: { name: "second" } }); + await flushMicrotasks(); + assert.equal(w.el.style.height, "400px"); + + w.el.clientWidth = 450; + w.instance.resize(450, 400); + await flushMicrotasks(); + assert.equal(w.el.style.height, "400px"); +}); + +test("ignores superseded async embed results", async () => { + const env = createWidgetTestEnvironment(); + const first = createDeferred<{ view: { id: string; finalized: boolean; finalize: () => void } }>(); + const second = createDeferred<{ view: { id: string; finalized: boolean; finalize: () => void } }>(); + const calls: Array<{ container: unknown; spec: Record }> = []; + + env.setEmbed((container, spec) => { + calls.push({ container, spec }); + if (calls.length === 1) return first.promise; + return second.promise; + }); + + const w = env.createInstance(450); + + w.instance.renderValue({ spec: { name: "first" } }); + w.instance.renderValue({ spec: { name: "second" } }); + + const staleView = { id: "stale", finalized: false, finalize() { this.finalized = true; } }; + const latestView = { id: "latest", finalized: false, finalize() { this.finalized = true; } }; + + second.resolve({ view: latestView }); + await flushMicrotasks(); + + first.resolve({ view: staleView }); + await flushMicrotasks(); + + assert.equal(staleView.finalized, true); + assert.equal(latestView.finalized, false); +}); + +test("finalizes view when widget element is disconnected", async () => { + const env = createWidgetTestEnvironment(); + let finalized = false; + + env.setEmbed((container, spec) => + Promise.resolve({ + view: { + spec, + finalize: () => { + finalized = true; + } + } + }) + ); + + const w = env.createInstance(450); + w.instance.renderValue({ spec: { name: "first" } }); + await flushMicrotasks(); + + w.el.remove(); + + assert.equal(finalized, true); +}); + +test("finalizes stale deferred embeds after disconnect", async () => { + const env = createWidgetTestEnvironment(); + const deferred = createDeferred<{ view: { finalized: boolean; finalize: () => void } }>(); + const staleView = { + finalized: false, + finalize() { + this.finalized = true; + } + }; + + env.setEmbed(() => deferred.promise); + + const w = env.createInstance(450); + w.instance.renderValue({ spec: { name: "first" } }); + + w.el.remove(); + deferred.resolve({ view: staleView }); + await flushMicrotasks(); + + assert.equal(staleView.finalized, true); + assert.equal(w.el._view, null); + assert.equal(w.el._vegaContainer, null); + assert.equal(w.el._scaleWrapper, null); +}); + +test("rerenders compound specs after moderate width changes", async () => { + const env = createWidgetTestEnvironment(); + const calls: Array> = []; + + env.setEmbed((container, spec) => { + calls.push(spec); + return Promise.resolve({ + view: { + spec, + finalize: () => {} + } + }); + }); + + const w = env.createInstance(900); + w.el.clientHeight = 400; + + w.instance.renderValue({ + spec: { + hconcat: [{ mark: "point" }, { mark: "bar" }] + } + }); + await flushMicrotasks(); + + assert.equal(calls.length, 1); + assert.equal((calls[0].hconcat as Array>)[0].width, 410); + + w.el.clientWidth = 760; + w.instance.resize(760, 400); + await flushMicrotasks(); + + assert.equal(calls.length, 2); + assert.equal((calls[1].hconcat as Array>)[0].width, 340); + assert.equal((calls[1].hconcat as Array>)[1].width, 340); +}); + +test("passes explicit dimensions and fit autosize for simple specs", async () => { + const env = createWidgetTestEnvironment(); + const calls: Array> = []; + + env.setEmbed((container, spec) => { + calls.push(spec); + return Promise.resolve({ + view: { + spec, + finalize: () => {} + } + }); + }); + + const w = env.createInstance(600, 320); + + w.instance.renderValue({ + spec: { mark: "point" } + }); + await flushMicrotasks(); + + assert.equal(calls.length, 1); + assert.equal(calls[0].width, 600); + assert.equal(calls[0].height, 320); + assert.ok(calls[0].autosize); + assert.deepEqual({ ...(calls[0].autosize as Record) }, { + type: "fit", + contains: "padding" + }); +}); + +test("updates simple specs in-place on resize without re-embedding", async () => { + const env = createWidgetTestEnvironment(); + let embedCalls = 0; + const widthCalls: number[] = []; + const heightCalls: number[] = []; + let resizeCalls = 0; + let runAsyncCalls = 0; + + env.setEmbed((container, spec) => { + embedCalls += 1; + return Promise.resolve({ + view: { + spec, + finalize: () => {}, + width(value: number) { + widthCalls.push(value); + return this; + }, + height(value: number) { + heightCalls.push(value); + return this; + }, + resize() { + resizeCalls += 1; + return this; + }, + runAsync() { + runAsyncCalls += 1; + return Promise.resolve(this); + } + } + }); + }); + + const w = env.createInstance(600, 320); + + w.instance.renderValue({ spec: { mark: "point" } }); + await flushMicrotasks(); + + w.el.clientWidth = 540; + w.el.clientHeight = 280; + w.instance.resize(540, 280); + await flushMicrotasks(); + + assert.equal(embedCalls, 1); + assert.deepEqual(widthCalls, [540]); + assert.deepEqual(heightCalls, [280]); + assert.equal(resizeCalls, 1); + assert.equal(runAsyncCalls, 1); +}); + +test("does not mutate host height for compound specs", async () => { + const env = createWidgetTestEnvironment(); + + env.setEmbed((container, spec) => { + container.scrollHeight = 760; + return Promise.resolve({ + view: { + spec, + finalize: () => {} + } + }); + }); + + const w = env.createInstance(900, 360); + w.el.style.height = "360px"; + + w.instance.renderValue({ + spec: { + facet: { field: "carb" }, + columns: 3, + spec: { mark: "point" } + } + }); + await flushMicrotasks(); + + assert.equal(w.el.style.height, "360px"); +}); + +test("renders narrow widgets at logical width 450 with scale transform", async () => { + const env = createWidgetTestEnvironment(); + const calls: Array> = []; + + env.setEmbed((container, spec) => { + calls.push(spec); + return Promise.resolve({ + view: { + spec, + finalize: () => {} + } + }); + }); + + const w = env.createInstance(225, 400); + w.instance.renderValue({ spec: { mark: "point" } }); + await flushMicrotasks(); + + assert.equal(calls[0].width, 450); + assert.equal(calls[0].height, 400); + assert.equal(w.el._vegaContainer?.style.transform, "scale(0.5)"); + assert.equal(w.el._vegaContainer?.style.width, "450px"); + assert.equal(w.el._vegaContainer?.style.height, "400px"); + assert.equal(w.el._scaleWrapper?.className, "ggsql-vega-scale-wrapper"); +}); + +test("renderValue refreshes viewport from host when the host shrinks", async () => { + const env = createWidgetTestEnvironment(); + const calls: Array> = []; + + env.setEmbed((container, spec) => { + calls.push(spec); + return Promise.resolve({ + view: { + spec, + finalize: () => {} + } + }); + }); + + const w = env.createInstance(900, 400); + w.instance.renderValue({ spec: { mark: "point" } }); + await flushMicrotasks(); + + w.el.clientWidth = 225; + w.el.clientHeight = 400; + w.instance.renderValue({ spec: { mark: "point" } }); + await flushMicrotasks(); + + assert.equal(calls.length, 2); + assert.equal(calls[1].width, 450); + assert.equal(calls[1].height, 400); + assert.equal(w.el._vegaContainer?.style.transform, "scale(0.5)"); +}); diff --git a/srcts/vega/widget.ts b/srcts/vega/widget.ts new file mode 100644 index 0000000..2fecaf9 --- /dev/null +++ b/srcts/vega/widget.ts @@ -0,0 +1,291 @@ +// htmlwidgets binding for ggsql Vega-Lite output. +// +// VegaWidget is a custom element () that implements the +// htmlwidgets renderValue/resize contract. On the R side, R/widget.R creates +// the widget and widget_html.ggsql_vega() emits a custom element +// as the container. htmlwidgets calls the factory(), which delegates to the +// element's renderValue/resize methods. +// +// The types below (VegaView, etc.) are hand-written because we vendor +// vega/vega-lite/vega-embed as pre-built .min.js files and don't install +// their npm type packages. + +import { + allocateCompoundChartSize, + isCompoundSpec, + type AnyRecord +} from "./compound_sizing"; + +// The dimensions of the host container given to us by htmlwidgets. +type HostBox = { + hostWidth: number; + hostHeight: number; +}; + +// Computed layout for a render pass. renderWidth/renderHeight may exceed the +// host (see MIN_WIDTH below); `scale` is the CSS transform applied to shrink +// the rendered output back into the host when that happens. +type Layout = HostBox & { + renderWidth: number; + renderHeight: number; + scale: number; +}; + +type VegaView = { + finalize: () => void; +}; + +type ResizableVegaView = VegaView & { + width: (value: number) => ResizableVegaView; + height: (value: number) => ResizableVegaView; + resize: () => ResizableVegaView; + runAsync: () => Promise; +}; + +type EmbedResult = { + view: VegaView; +}; + +// Cancellation token for vegaEmbed — see embedSpec() for usage. +type EmbedToken = Record; + +export type WidgetValue = { + spec: AnyRecord; +}; + +type WidgetLayoutSpec = AnyRecord & { + width?: number; + height?: number; + autosize?: { + type: string; + contains: string; + }; +}; + +declare global { + interface Window { + vegaEmbed: ( + container: HTMLElement, + spec: AnyRecord, + options: { actions: boolean } + ) => Promise; + } +} + +// Vega-Lite charts look bad below ~450px (axis labels overlap, legends wrap +// poorly). Instead of letting Vega render at the true host width, we render +// at MIN_WIDTH and CSS-scale the result down into the smaller container. +const MIN_WIDTH = 450; + +// Determine the host container size. htmlwidgets passes explicit width/height +// to resize(), but renderValue() receives only the data payload — no sizing +// info at all. So on initial render we fall back to el.clientWidth and +// el.style.height (the inline px value that htmlwidgets' initSizing writes). +function readHostBox(el: HTMLElement, width?: number, height?: number): HostBox { + const hostWidth = + typeof width === "number" && width > 0 ? width : el.clientWidth || 0; + const styledHeight = + typeof el.style.height === "string" && /px$/.test(el.style.height) + ? parseFloat(el.style.height) + : 0; + const hostHeight = + typeof height === "number" && height > 0 + ? height + : el.clientHeight || styledHeight || 0; + + return { hostWidth, hostHeight }; +} + +function buildSimpleLayout(hostWidth: number, hostHeight: number): Layout { + return { + hostWidth, + hostHeight, + renderWidth: Math.max(hostWidth, MIN_WIDTH), + renderHeight: hostHeight, + scale: hostWidth > 0 && hostWidth < MIN_WIDTH ? hostWidth / MIN_WIDTH : 1 + }; +} + +class VegaWidget extends HTMLElement { + _view: VegaView | null = null; + _value: WidgetValue | null = null; + _isCompound = false; + _layout: Layout | null = null; + _scaleWrapper: HTMLDivElement | null = null; + _vegaContainer: HTMLDivElement | null = null; + _embedToken: EmbedToken | null = null; + + disconnectedCallback(): void { + this.finalize(); + } + + finalize(): void { + if (this._view) this._view.finalize(); + this._view = null; + this._layout = null; + this._embedToken = null; + this._scaleWrapper = null; + this._vegaContainer = null; + } + + createStructure(): HTMLDivElement { + this.innerHTML = ""; + + const scaleWrapper = document.createElement("div"); + scaleWrapper.className = "ggsql-vega-scale-wrapper"; + + const vegaContainer = document.createElement("div"); + vegaContainer.className = "ggsql-vega-container"; + + scaleWrapper.appendChild(vegaContainer); + this.appendChild(scaleWrapper); + + this._scaleWrapper = scaleWrapper; + this._vegaContainer = vegaContainer; + + return vegaContainer; + } + + applyLayout(layout: Layout): void { + if (!this._scaleWrapper || !this._vegaContainer) return; + + this._vegaContainer.style.width = `${layout.renderWidth}px`; + this._vegaContainer.style.height = `${layout.renderHeight}px`; + this._vegaContainer.style.transform = + layout.scale < 1 ? `scale(${layout.scale})` : ""; + } + + buildSimpleSpec(spec: AnyRecord, layout: Layout): WidgetLayoutSpec { + return { + ...spec, + width: layout.renderWidth, + height: layout.renderHeight, + autosize: { type: "fit", contains: "padding" } + }; + } + + renderSimple(layout: Layout): void { + const spec = this.buildSimpleSpec(this._value!.spec, layout); + this.embedSpec(spec, layout); + } + + // For simple (non-compound) specs, we can resize the existing Vega view + // in-place via its signal API, which is much cheaper than re-embedding. + resizeSimpleView(layout: Layout): void { + if (!this._view) { + this.renderSimple(layout); + return; + } + + // Capture `this` and `view` for the promise callback — `this` can change + // if a new renderValue() fires before the async resize completes. + const self = this; + const view = this._view as ResizableVegaView; + + this._layout = layout; + this.applyLayout(layout); + view + .width(layout.renderWidth) + .height(layout.renderHeight) + .resize() + .runAsync() + .catch((err: unknown) => { + if (self._view !== view) return; + self.textContent = `ggsql render error: ${String(err)}`; + }); + } + + // Compound specs (facet/concat) can't be resized via the Vega view API — + // their sub-chart dimensions are baked into the spec at embed time, so we + // must re-allocate sizes and re-embed on every meaningful resize. + renderCompound(layout: Layout): void { + const spec = allocateCompoundChartSize(this._value!.spec, layout); + this.embedSpec(spec, layout); + } + + // Skip re-embed for sub-pixel container jitter (common during CSS transitions). + hasMaterialCompoundResize(nextLayout: Layout): boolean { + if (!this._layout) return true; + return ( + Math.abs(this._layout.hostWidth - nextLayout.hostWidth) > 1 || + Math.abs(this._layout.hostHeight - nextLayout.hostHeight) > 1 + ); + } + + // Run vegaEmbed and wire up the result. Because vegaEmbed is async, a new + // renderValue() or resize() could fire before the promise resolves. We use + // a unique `token` object (compared by reference) so the stale callback can + // detect it's been superseded and clean up without clobbering the new view. + embedSpec(spec: AnyRecord, layout: Layout): void { + const self = this; + if (this._view) { + this._view.finalize(); + this._view = null; + } + const container = this.createStructure(); + const token = {}; + + this._embedToken = token; + this._layout = layout; + this.applyLayout(layout); + + window + .vegaEmbed(container, spec, { actions: true }) + .then((result: EmbedResult) => { + if (self._embedToken !== token || self._vegaContainer !== container) { + result.view.finalize(); + return; + } + self._view = result.view; + self.applyLayout(self._layout!); + }) + .catch((err: unknown) => { + if (self._embedToken !== token || self._vegaContainer !== container) return; + self.textContent = `ggsql render error: ${String(err)}`; + }); + } + + renderValue(x: WidgetValue): void { + const host = readHostBox(this); + + this._value = x; + this._isCompound = isCompoundSpec(x.spec); + + if (this._isCompound) { + this.renderCompound(buildSimpleLayout(host.hostWidth, host.hostHeight)); + return; + } + + this.renderSimple(buildSimpleLayout(host.hostWidth, host.hostHeight)); + } + + resize(width: number, height: number): void { + if (!this._value) return; + + const host = readHostBox(this, width, height); + const layout = buildSimpleLayout(host.hostWidth, host.hostHeight); + + if (this._isCompound) { + if (this.hasMaterialCompoundResize(layout)) this.renderCompound(layout); + else { + this._layout = layout; + this.applyLayout(layout); + } + return; + } + + if ( + !this._layout || + this._layout.renderWidth !== layout.renderWidth || + this._layout.renderHeight !== layout.renderHeight + ) { + this.resizeSimpleView(layout); + return; + } + + this._layout = layout; + this.applyLayout(layout); + } +} + +export { VegaWidget }; diff --git a/tests/testthat/test-engine.R b/tests/testthat/test-engine.R index 08d7097..8f6ee22 100644 --- a/tests/testthat/test-engine.R +++ b/tests/testthat/test-engine.R @@ -1,6 +1,7 @@ run_query <- function(query, ...) { opts <- knitr::opts_current$get() opts$code <- query + opts$screenshot.force <- FALSE extra_opts <- list(...) if (length(extra_opts) > 0) { opts[names(extra_opts)] <- extra_opts @@ -25,6 +26,19 @@ test_that("engine can handle a query", { expect_length(out, 1L) }) +test_that("interactive writer keeps the htmlwidget path at narrow figure widths", { + query <- c( + paste0("SELECT mpg, disp FROM '", data_file, "'"), + "VISUALISE mpg AS x, disp AS y", + "DRAW point" + ) + + out <- run_query(query, fig.width = 2.35, fig.height = 4) + + expect_match(out, "ggsql_vega") + expect_match(out, " { + console.error(error); + process.exit(1); +}); diff --git a/tools/config.R b/tools/config.R index 06d57cd..aa035f7 100644 --- a/tools/config.R +++ b/tools/config.R @@ -70,6 +70,27 @@ cfg <- if (is_debug) "debug" else "release" "" ) +# Resolve ODBC driver manager flags (unixODBC or iODBC). Prefer pkg-config so +# we pick up -L/-l flags when a .pc file is available (e.g. Homebrew +# unixODBC on macOS); otherwise fall back to plain -lodbc, which works on +# most Linux distros where libodbc.so sits in a default search path. +.odbc_libs <- tryCatch( + { + out <- suppressWarnings(system2( + "pkg-config", + c("--libs", "odbc"), + stdout = TRUE, + stderr = FALSE + )) + if (!is.null(attr(out, "status")) || length(out) == 0) { + "-lodbc" + } else { + paste(out, collapse = " ") + } + }, + error = function(e) "-lodbc" +) + # read in the Makevars.in file checking is_windows <- .Platform[["OS.type"]] == "windows" @@ -102,7 +123,8 @@ new_txt <- gsub("@CRAN_FLAGS@", .cran_flags, mv_txt) |> gsub("@CLEAN_TARGET@", .clean_targets, x = _) |> gsub("@LIBDIR@", .libdir, x = _) |> gsub("@TARGET@", .target, x = _) |> - gsub("@PANIC_EXPORTS@", .panic_exports, x = _) + gsub("@PANIC_EXPORTS@", .panic_exports, x = _) |> + gsub("@ODBC_LIBS@", .odbc_libs, x = _) message("Writing `", mv_ofp, "`.") con <- file(mv_ofp, open = "wb") diff --git a/tools/update-vega.sh b/tools/update-vega.sh new file mode 100755 index 0000000..857fc1d --- /dev/null +++ b/tools/update-vega.sh @@ -0,0 +1,39 @@ +#!/usr/bin/env bash +# +# Downloads vendored Vega dependencies into inst/htmlwidgets/lib/. +# Sources: https://cdn.jsdelivr.net/npm/@ +# +set -euo pipefail + +VEGA_VERSION="6.2.0" +VEGA_LITE_VERSION="6.4.2" +VEGA_EMBED_VERSION="7.1.0" + +CDN="https://cdn.jsdelivr.net/npm" + +SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)" +LIB_DIR="$SCRIPT_DIR/../inst/htmlwidgets/lib" + +download() { + local pkg="$1" version="$2" dir="$3" + local url="$CDN/$pkg@$version/build/$pkg.min.js" + mkdir -p "$LIB_DIR/$dir" + echo "Downloading $pkg@$version ..." + curl -fsSL "$url" -o "$LIB_DIR/$dir/$pkg.min.js" +} + +download vega "$VEGA_VERSION" vega +download vega-lite "$VEGA_LITE_VERSION" vega-lite +download vega-embed "$VEGA_EMBED_VERSION" vega-embed + +VERSIONS_FILE="$SCRIPT_DIR/../R/vega-versions.R" +cat > "$VERSIONS_FILE" <