JS-380 Bundle bridge using esbuild (#4901)

Co-authored-by: Victor Diez <victor.diez@sonarsource.com>

.gitignore

@@ -1,5 +1,6 @@
 # Maven
 target/
+bin/
 
 lib/
 node_modules/

esbuild.mjs

@@ -0,0 +1,110 @@
+import esbuild from 'esbuild';
+import textReplace from 'esbuild-plugin-text-replace';
+import { copy } from 'esbuild-plugin-copy';
+
+await esbuild.build({
+  entryPoints: ['./server.mjs'],
+  outfile: './bin/server.cjs',
+  format: 'cjs',
+  bundle: true,
+  // we mark this file as external because it does not exist on EsLint any more and in any case
+  // the code never reaches this dynamic require as this is a fallback if 'eslint/use-at-your-own-risk'
+  // does not exist. we need to keep an eye on this in the future.
+  external: ['eslint/lib/util/glob-util'],
+  platform: 'node',
+  minify: true,
+  plugins: [
+    textReplace({
+      include: /server\.mjs$/,
+      pattern: [['new URL(import.meta.url)', '__filename']],
+    }),
+    textReplace({
+      include: /lib[\/\\]jsts[\/\\]src[\/\\]parsers[\/\\]ast\.js$/,
+      pattern: [['path.dirname(fileURLToPath(import.meta.url))', '__dirname']],
+    }),
+    // Simplify the loader function in babel. At the end it's just importing Babel parser
+    // This matches the result of the TS compilation of the following lines
+    // https://github.com/babel/babel/blob/v7.25.1/eslint/babel-eslint-parser/src/parse.cts#L8-L12
+    textReplace({
+      include: /node_modules[\/\\]@babel[\/\\]eslint-parser[\/\\]lib[\/\\]parse\.cjs$/,
+      pattern: [
+        [/const babelParser = require.*}\)\)/gms, 'const babelParser = require("@babel/parser")'],
+      ],
+    }),
+    // Remove dynamic import of espree on ESLint Rule tester. In any case, it's never used in the bundle
+    textReplace({
+      include: /node_modules[\/\\]eslint[\/\\]lib[\/\\]rule-tester[\/\\]rule-tester\.js$/,
+      pattern: [
+        // https://github.com/eslint/eslint/blob/v8.57.0/lib/rule-tester/rule-tester.js#L56
+        ['const espreePath = require.resolve("espree");', ''],
+        // https://github.com/eslint/eslint/blob/v8.57.0/lib/rule-tester/rule-tester.js#L781
+        ['config.parser = espreePath;', ''],
+      ],
+    }),
+    // Dynamic import in module used by eslint-import-plugin. It always resolves to node resolver
+    textReplace({
+      include: /node_modules[\/\\]eslint-module-utils[\/\\]resolve\.js$/,
+      pattern: [
+        [
+          // https://github.com/import-js/eslint-plugin-import/blob/v2.11.0/utils/resolve.js#L157
+          'tryRequire(`eslint-import-resolver-${name}`, sourceFile)',
+          'require("eslint-import-resolver-node")',
+        ],
+      ],
+    }),
+    // the html extractor for stylelint calls a "loadSyntax" function in postcss-syntax/load-syntax.js
+    // That function has a dynamic require which always resolves to same dependencies given
+    // our stylelint options.
+    textReplace({
+      include: /node_modules[\/\\]postcss-html[\/\\]extract\.js$/,
+      pattern: [
+        [
+          //https://github.com/ota-meshi/postcss-html/blob/v0.36.0/extract.js#L108
+          'style.syntax = loadSyntax(opts, __dirname);',
+          `style.syntax = {
+            parse: require("postcss-html/template-parse"), 
+            stringify: require("postcss/lib/stringify")
+          }; 
+          opts.syntax.config["css"] = {
+            stringify: require("postcss/lib/stringify"),
+            parse: require("postcss/lib/parse")
+          }`,
+          // ^^ modifying "opts.syntax.config" is a side effect done in postcss-syntax/get-syntax.js
+        ],
+      ],
+    }),
+    // The comparison by constructor name made by stylelint is not valid in the bundle because
+    // the Document object is named differently. We need to compare constructor object directly
+    textReplace({
+      include: /node_modules[\/\\]stylelint[\/\\]lib[\/\\]lintPostcssResult\.js$/,
+      pattern: [
+        [
+          // https://github.com/stylelint/stylelint/blob/15.10.0/lib/lintPostcssResult.js#L52
+          "postcssDoc && postcssDoc.constructor.name === 'Document' ? postcssDoc.nodes : [postcssDoc]",
+          "postcssDoc && postcssDoc.constructor === require('postcss-syntax/document') ? postcssDoc.nodes : [postcssDoc]",
+        ],
+      ],
+    }),
+    copy({
+      resolveFrom: 'cwd',
+      assets: [
+        // We need to copy all typescript declaration files for type-checking, as typescript will
+        // look for those in the filesystem
+        {
+          from: ['./node_modules/typescript/lib/*.d.ts'],
+          to: ['./bin/'],
+        },
+        // We copy run-node into the bundle, as it's used from the java side on Mac
+        {
+          from: ['./run-node'],
+          to: ['./bin/'],
+        },
+        // We copy the protofile as it needs to be accessible for the bundle
+        {
+          from: ['./packages/jsts/src/parsers/estree.proto'],
+          to: ['./bin/'],
+        },
+      ],
+    }),
+  ],
+});

its/plugin/plugins/eslint-custom-rules-plugin/bundle/dist/rules.js

@@ -20,9 +20,6 @@ exports.rules = [
         ],
       },
       create(context) {
-        const ts = require('typescript');
-        console.log(`TS API in custom rule: TS version ${ts.version}`); // should print embedded typescript version
-
         console.log('Rule context options: ', context.options);
         return {
           CallExpression(node) {

its/plugin/tests/src/test/java/com/sonar/javascript/it/plugin/EslintCustomRulesTest.java

@@ -127,7 +127,7 @@ void test() {
       )
     )
       .isEmpty();
-    assertThat(buildResult.getLogsLines(l -> l.contains("TS API in custom rule: TS version 5.6.2")))
+    assertThat(buildResult.getLogsLines(l -> l.contains("Rule context options:")))
       .hasSize(2);
     List<Issue> issues = findIssues("eslint-custom-rules:sqKey", orchestrator);
     assertThat(issues).hasSize(2);

its/plugin/tests/src/test/java/com/sonar/javascript/it/plugin/SonarJsIntegrationTest.java

@@ -174,7 +174,7 @@ void start(Path dest) throws IOException {
       port = findOpenPort();
       String[] cmd = {
         "node",
-        dest.resolve("package/bin/server.mjs").toString(),
+        dest.resolve("package/bin/server.cjs").toString(),
         String.valueOf(port),
         "127.0.0.1",
         temp.toString(),

its/ruling/src/test/java/org/sonar/javascript/it/JsTsRulingTest.java

@@ -41,7 +41,6 @@
 import java.util.Set;
 import java.util.stream.Stream;
 import org.apache.commons.lang.StringUtils;
-import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.extension.RegisterExtension;
 import org.junit.jupiter.api.parallel.Execution;
@@ -334,13 +333,13 @@ private static void instantiateTemplateRule(
             Arrays.asList(
               (
                 "name=\"" +
-                instantiationKey +
-                "\";key=\"" +
-                instantiationKey +
-                "\";markdown_description=\"" +
-                instantiationKey +
-                "\";" +
-                params
+                  instantiationKey +
+                  "\";key=\"" +
+                  instantiationKey +
+                  "\";markdown_description=\"" +
+                  instantiationKey +
+                  "\";" +
+                  params
               ).split(";", 0)
             )
           )
@@ -372,8 +371,8 @@ private static void instantiateTemplateRule(
     } else {
       throw new IllegalStateException(
         "Could not retrieve profile key : Template rule " +
-        ruleTemplateKey +
-        " has not been activated"
+          ruleTemplateKey +
+          " has not been activated"
       );
     }
   }
@@ -389,4 +388,4 @@ static WsClient newAdminWsClient(Orchestrator orchestrator) {
           .build()
       );
   }
-}
+}