Update from copier (2026-03-30T20:23:47)

.copier-answers.yaml

@@ -1,5 +1,5 @@
 # Changes here will be overwritten by Copier
-_commit: 08a244d
+_commit: '1246721'
 _src_path: https://github.com/python-project-templates/base.git
 add_docs: true
 add_extension: cppjswasm

.gitattributes

@@ -9,7 +9,6 @@ Makefile linguist-documentation
 *.html text=auto eol=lf
 *.js text=auto eol=lf
 *.json text=auto eol=lf
-*.less text=auto eol=lf
 *.md text=auto eol=lf
 *.py text=auto eol=lf
 *.toml text=auto eol=lf

.github/workflows/build.yaml

@@ -86,12 +86,12 @@ jobs:
       if: matrix.os == 'ubuntu-latest'
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@v6
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
 
     - name: Set up QEMU
-      uses: docker/setup-qemu-action@v3
+      uses: docker/setup-qemu-action@v4
       with:
         platforms: all
       if: runner.os == 'Linux' && runner.arch == 'X64'

.gitignore

@@ -11,6 +11,9 @@ __pycache__/
 *.exp
 *.lib
 
+# Rust
+target
+
 # Distribution / packaging
 .Python
 build/
@@ -55,26 +58,12 @@ junit.xml
 .hypothesis/
 .pytest_cache/
 
-# Translations
-*.mo
-*.pot
-
-# Django stuff:
+# Django
 *.log
 local_settings.py
 db.sqlite3
 db.sqlite3-journal
 
-# Flask stuff:
-instance/
-.webassets-cache
-
-# Scrapy stuff:
-.scrapy
-
-# PyBuilder
-target/
-
 # IPython
 profile_default/
 ipython_config.py
@@ -85,15 +74,12 @@ ipython_config.py
 # pipenv
 Pipfile.lock
 
-# PEP 582; used by e.g. github.com/David-OConnor/pyflow
-__pypackages__/
-
-# Celery stuff
+# Celery
 celerybeat-schedule
 celerybeat.pid
 
-# SageMath parsed files
-*.sage.py
+# Airspeed Velocity
+.asv
 
 # Environments
 .env

js/build.mjs

@@ -1,10 +1,9 @@
 import { NodeModulesExternal } from "@finos/perspective-esbuild-plugin/external.js";
 import { build } from "@finos/perspective-esbuild-plugin/build.js";
-import { BuildCss } from "@prospective.co/procss/target/cjs/procss.js";
+import { transform } from "lightningcss";
 import { getarg } from "./tools/getarg.mjs";
 import fs from "fs";
 import cpy from "cpy";
-import path_mod from "path";
 
 const DEBUG = getarg("--debug");
 
@@ -40,31 +39,29 @@ const BUILD = [
 
 async function compile_css() {
   const process_path = (path) => {
-    const outpath = path.replace("src/less", "dist/css");
+    const outpath = path.replace("src/css", "dist/css");
     fs.mkdirSync(outpath, { recursive: true });
 
-    fs.readdirSync(path).forEach((file_or_folder) => {
-      if (file_or_folder.endsWith(".less")) {
-        const outfile = file_or_folder.replace(".less", ".css");
-        const builder = new BuildCss("");
-        builder.add(
-          `${path}/${file_or_folder}`,
-          fs
-            .readFileSync(path_mod.join(`${path}/${file_or_folder}`))
-            .toString(),
-        );
-        fs.writeFileSync(
-          `${path.replace("src/less", "dist/css")}/${outfile}`,
-          builder.compile().get(outfile),
-        );
-      } else {
-        process_path(`${path}/${file_or_folder}`);
+    fs.readdirSync(path, { withFileTypes: true }).forEach((entry) => {
+      const input = `${path}/${entry.name}`;
+      const output = `${outpath}/${entry.name}`;
+
+      if (entry.isDirectory()) {
+        process_path(input);
+      } else if (entry.isFile() && entry.name.endsWith(".css")) {
+        const source = fs.readFileSync(input);
+        const { code } = transform({
+          filename: entry.name,
+          code: source,
+          minify: !DEBUG,
+          sourceMap: false,
+        });
+        fs.writeFileSync(output, code);
       }
     });
   };
-  // recursively process all less files in src/less
-  process_path("src/less");
-  cpy("src/css/*", "dist/css/");
+
+  process_path("src/css");
 }
 
 async function copy_html() {

js/package.json

@@ -32,10 +32,10 @@
     "build": "npm-run-all build:cpp build:prod",
     "clean": "rm -rf dist lib playwright-report ../python_template_cppjswasm/extension",
     "dev": "npm-run-all -p start watch",
-    "lint:js": "prettier --check \"src/**/*.{js,ts,jsx,tsx,less,css}\" \"tests/**/*.{js,ts,jsx,tsx}\" \"*.mjs\" \"*.json\"",
+    "lint:js": "prettier --check \"src/**/*.{js,ts,jsx,tsx,css}\" \"tests/**/*.{js,ts,jsx,tsx}\" \"*.mjs\" \"*.json\"",
     "lint:cpp": "clang-format --dry-run -Werror -style=file:../.clang-format src/cpp/*.cpp",
     "lint": "npm-run-all lint:*",
-    "fix:js": "prettier  --write \"src/**/*.{js,ts,jsx,tsx,less,css}\" \"tests/**/*.{js,ts,jsx,tsx}\" \"*.mjs\" \"*.json\"",
+    "fix:js": "prettier  --write \"src/**/*.{js,ts,jsx,tsx,css}\" \"tests/**/*.{js,ts,jsx,tsx}\" \"*.mjs\" \"*.json\"",
     "fix:cpp": "clang-format -i -style=file:../.clang-format src/cpp/*.cpp",
     "fix": "npm-run-all fix:*",
     "preinstall": "npx only-allow pnpm",
@@ -44,16 +44,15 @@
     "start:tests": "http-server -p 3000 ",
     "test:js": "playwright test",
     "test": "npm-run-all test:*",
-    "watch": "nodemon --watch src -e ts,less,html,cpp,hpp --exec \"pnpm build:debug\""
+    "watch": "nodemon --watch src -e ts,css,html,cpp,hpp --exec \"pnpm build:debug\""
   },
   "dependencies": {},
   "devDependencies": {
     "@finos/perspective-esbuild-plugin": "^3.2.1",
     "@playwright/test": "^1.56.1",
-    "@prospective.co/procss": "^0.1.17",
     "cpy": "^12.1.0",
     "esbuild": "^0.27.2",
-    "esbuild-plugin-less": "^1.3.35",
+    "lightningcss": "^1.29.3",
     "http-server": "^14.1.1",
     "nodemon": "^3.1.10",
     "npm-run-all": "^4.1.5",

pyproject.toml

@@ -1,7 +1,7 @@
 [build-system]
 requires = [
     "hatchling",
-    "hatch-cpp<0.3",
+    "hatch-cpp",
     "hatch-js",
     "pybind11",
 ]
@@ -42,7 +42,7 @@ develop = [
     "check-dist",
     "cibuildwheel",
     "codespell",
-    "hatch-cpp<0.3",
+    "hatch-cpp",
     "hatch-js",
     "hatchling",
     "pybind11",
@@ -106,6 +106,7 @@ branch = true
 omit = [
     "python_template_cppjswasm/tests/integration/",
 ]
+
 [tool.coverage.report]
 exclude_also = [
     "raise NotImplementedError",