editor/code: Allow to apply static analysis for codes opened in webview

editors/code/.prettierrc.js

@@ -2,4 +2,5 @@ module.exports = {
     // use 100 because it's Rustfmt's default
     // https://rust-lang.github.io/rustfmt/?version=v1.4.38&search=#max_width
     printWidth: 100,
+    tabWidth: 4,
 };

editors/code/.vscodeignore

@@ -7,6 +7,7 @@
 !node_modules/d3-graphviz/build/d3-graphviz.min.js
 !node_modules/d3/dist/d3.min.js
 !out/main.js
+!out/webview/
 !package-lock.json
 !package.json
 !ra_syntax_tree.tmGrammar.json

editors/code/README.md

@@ -5,15 +5,15 @@ It is recommended over and replaces `rust-lang.rust`.
 
 ## Features
 
-- [code completion] with [imports insertion]
-- go to [definition], [implementation], [type definition]
-- [find all references], [workspace symbol search], [symbol renaming]
-- [types and documentation on hover]
-- [inlay hints] for types and parameter names
-- [semantic syntax highlighting]
-- a lot of [assists (code actions)]
-- apply suggestions from errors
-- ... and many more, check out the [manual] to see them all
+-   [code completion] with [imports insertion]
+-   go to [definition], [implementation], [type definition]
+-   [find all references], [workspace symbol search], [symbol renaming]
+-   [types and documentation on hover]
+-   [inlay hints] for types and parameter names
+-   [semantic syntax highlighting]
+-   a lot of [assists (code actions)]
+-   apply suggestions from errors
+-   ... and many more, check out the [manual] to see them all
 
 [code completion]: https://rust-analyzer.github.io/manual.html#magic-completions
 [imports insertion]: https://rust-analyzer.github.io/manual.html#completion-with-autoimport

editors/code/build.mjs

@@ -0,0 +1,94 @@
+import * as path from "node:path";
+import { parseArgs } from "node:util";
+import * as esbuild from "esbuild";
+
+function parseCliOptions() {
+    const { values } = parseArgs({
+        options: {
+            minify: {
+                type: "boolean",
+                default: false,
+            },
+            sourcemap: {
+                type: "boolean",
+                default: false,
+            },
+            watch: {
+                type: "boolean",
+                default: false,
+            },
+        },
+        strict: true,
+    });
+    return {
+        shouldMinify: !!values.minify,
+        shouldEmitSourceMap: !!values.sourcemap,
+        isWatchMode: !!values.watch,
+    };
+}
+
+const { shouldMinify, shouldEmitSourceMap, isWatchMode } = parseCliOptions();
+
+const OUT_DIR = "./out";
+const OUT_WEBVIEW_DIR = path.resolve(OUT_DIR, "webview");
+
+/** @type {esbuild.BuildOptions} */
+const BASE_OPTIONS = {
+    minify: shouldMinify,
+    sourcemap: shouldEmitSourceMap ? "external" : false,
+    bundle: true,
+};
+
+function createBuildOption(entryPoints) {
+    /** @type {esbuild.BuildOptions} */
+    const options = {
+        ...BASE_OPTIONS,
+        entryPoints,
+        external: ["vscode"],
+        format: "cjs",
+        platform: "node",
+        target: "node16",
+        outdir: OUT_DIR,
+    };
+    return options;
+}
+
+function createBuildOptionForWebView(entryPoints) {
+    /** @type {esbuild.BuildOptions} */
+    const options = {
+        ...BASE_OPTIONS,
+        entryPoints,
+        format: "esm",
+        platform: "browser",
+        // VSCode v1.78 (Electron 22) uses Chromium 108.
+        // https://code.visualstudio.com/updates/v1_78
+        target: "chrome108",
+        outdir: OUT_WEBVIEW_DIR,
+    };
+    return options;
+}
+
+async function bundleSource(options) {
+    if (!isWatchMode) {
+        return esbuild.build(options);
+    }
+
+    const ctx = await esbuild.context(options);
+    return ctx.watch();
+}
+
+await Promise.all([
+    bundleSource(createBuildOption(["src/main.ts"])),
+    bundleSource(
+        createBuildOptionForWebView([
+            "src/webview/show_crate_graph.ts",
+            "src/webview/show_crate_graph.css",
+        ]),
+    ),
+    bundleSource(
+        createBuildOptionForWebView([
+            "src/webview/view_memory_layout.ts",
+            "src/webview/view_memory_layout.css",
+        ]),
+    ),
+]);

editors/code/package.json

@@ -32,7 +32,7 @@
     "scripts": {
         "vscode:prepublish": "npm run build-base -- --minify",
         "package": "vsce package -o rust-analyzer.vsix",
-        "build-base": "esbuild ./src/main.ts --bundle --outfile=out/main.js --external:vscode --format=cjs --platform=node --target=node16",
+        "build-base": "node ./build.mjs",
         "build": "npm run build-base -- --sourcemap",
         "watch": "npm run build-base -- --sourcemap --watch",
         "format": "prettier --write .",