feat: deeply compare diagnostics and simplify build orchestration

.claude/CLAUDE.md

@@ -34,7 +34,7 @@ To run a specific test suite, set `LEAN4_TEST_FOLDER` to one of: `bootstrap`, `i
 
 ## Architecture
 
-This is a **Lerna monorepo** with npm workspaces containing five packages:
+This is an **npm-workspaces monorepo** (with Nx as the task runner) containing five packages:
 
 ### Packages
 

.eslintrc.js

@@ -12,6 +12,7 @@ https://github.com/typescript-eslint/tslint-to-eslint-config/blob/master/docs/FA
 Happy linting! 💖
 */
 module.exports = {
+    root: true,
     env: {
         es6: true,
         node: true,

.gitignore

@@ -7,6 +7,7 @@ build/
 
 ## Output
 node_modules/
+.nx/
 *.tsbuildinfo
 *.vsix
 doit.cmd

lean4-infoview/src/infoview/info.tsx

@@ -1,4 +1,5 @@
 import * as React from 'react'
+import fastIsEqual from 'react-fast-compare'
 import type { Location } from 'vscode-languageserver-protocol'
 
 import {
@@ -482,14 +483,14 @@ function InfoAux(props: InfoProps) {
     React.useEffect(() => {
         // Note: the curly braces are important. https://medium.com/geekculture/react-uncaught-typeerror-destroy-is-not-a-function-192738a6e79b
         setLspDiagsHere(diags0 => {
-            const diagPred = (d: LeanDiagnostic) =>
+            const isHere = (d: LeanDiagnostic) =>
                 RangeHelpers.contains(
                     d.fullRange || d.range,
                     { line: pos.line, character: pos.character },
                     config.allErrorsOnLine,
                 )
-            const newDiags = (lspDiags.get(pos.uri) || []).filter(diagPred)
-            if (newDiags.length === diags0.length && newDiags.every((d, i) => d === diags0[i])) return diags0
+            const newDiags = (lspDiags.get(pos.uri) || []).filter(isHere)
+            if (newDiags.length === diags0.length && newDiags.every((d, i) => fastIsEqual(d, diags0[i]))) return diags0
             return newDiags
         })
     }, [lspDiags, pos.uri, pos.line, pos.character, config.allErrorsOnLine])

nx.json

@@ -0,0 +1,13 @@
+{
+    "$schema": "./node_modules/nx/schemas/nx-schema.json",
+    "targetDefaults": {
+        "build": {
+            "dependsOn": ["^build"]
+        },
+        "build:dev": {
+            "dependsOn": ["^build:dev"]
+        }
+    },
+    "parallel": 5,
+    "analytics": false
+}