feat(codemod-rewrite-module-specifiers-to-full-paths): implement proj…

…ect (#2)

.vscode/settings.json

@@ -2,7 +2,7 @@
   "editor.rulers": [100],
   "git.inputValidationLength": 100,
   "git.inputValidationSubjectLength": null,
-  "typescript.tsdk": "./packages/commons-ecma/node_modules/typescript/lib",
+  "typescript.tsdk": "node_modules/typescript/lib",
   "search.exclude": {
     "**/dist": true
   }

packages/codemod-rewrite-module-specifiers-to-full-paths/.eslintrc.cjs

@@ -0,0 +1,18 @@
+const baseEslintConfig = require('@pkerschbaum/config-eslint/eslint-ecma.cjs');
+
+module.exports = {
+  ...baseEslintConfig,
+  parserOptions: {
+    ...baseEslintConfig.parserOptions,
+    tsconfigRootDir: __dirname,
+  },
+  ignorePatterns: [
+    ...(baseEslintConfig.ignorePatterns || []),
+    '**/codemod-inputs/**',
+    '**/codemod-outputs/**',
+  ],
+  rules: {
+    ...baseEslintConfig.rules,
+    'no-console': 'off',
+  },
+};

packages/codemod-rewrite-module-specifiers-to-full-paths/package.json

@@ -0,0 +1,64 @@
+{
+  "name": "@pkerschbaum/codemod-rewrite-module-specifiers-to-full-paths",
+  "version": "0.0.1",
+  "homepage": "https://github.com/pkerschbaum/packages/tree/main/packages/codemod-rewrite-module-specifiers-to-full-paths",
+  "bugs": {
+    "url": "https://github.com/pkerschbaum/packages/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/pkerschbaum/packages",
+    "directory": "packages/codemod-rewrite-module-specifiers-to-full-paths"
+  },
+  "license": "MIT",
+  "author": "Patrick Kerschbaum <[email protected]>",
+  "exports": {
+    ".": "./dist/index.js",
+    "./*": "./dist/*.js"
+  },
+  "typesVersions": {
+    "*": {
+      "*": [
+        "./dist/*"
+      ]
+    }
+  },
+  "bin": "./dist/bin/codemod.js",
+  "files": [
+    "dist/**",
+    "!dist/**/*.d.ts.map"
+  ],
+  "scripts": {
+    "build": "pnpm run internal:compile",
+    "dev": "pnpm run build --watch --preserveWatchOutput",
+    "internal:compile": "tsc -p ./tsconfig.build.json",
+    "lint": "pnpm run lint:file .",
+    "lint:file": "eslint --max-warnings 0",
+    "lint:fix": "pnpm run lint --fix",
+    "nuke": "pnpm run nuke:artifacts && del-cli node_modules",
+    "nuke:artifacts": "del-cli dist \"*.tsbuildinfo\"",
+    "test": "vitest run --config=\"./test/vitest.config.mts\""
+  },
+  "dependencies": {
+    "@commander-js/extra-typings": "^12.1.0",
+    "@pkerschbaum/commons-ecma": "workspace:*",
+    "@pkerschbaum/commons-node": "workspace:*",
+    "@pkerschbaum/runtime-extensions-node": "workspace:*",
+    "commander": "^12.1.0",
+    "jscodeshift": "^17.0.0",
+    "p-limit": "^6.1.0",
+    "tiny-invariant": "^1.3.3",
+    "typescript": "^5.5.4"
+  },
+  "devDependencies": {
+    "@types/jscodeshift": "^0.11.11",
+    "@types/node": "^20",
+    "@vitest/coverage-v8": "^2.0.5",
+    "ts-expose-internals": "^5.5.4",
+    "vite-tsconfig-paths": "^5.0.1",
+    "vitest": "^2.0.5"
+  },
+  "publishConfig": {
+    "access": "public"
+  }
+}

packages/codemod-rewrite-module-specifiers-to-full-paths/src/bin/codemod.ts

@@ -0,0 +1,45 @@
+import '@pkerschbaum/runtime-extensions-node';
+
+import * as commander from '@commander-js/extra-typings';
+import fs from 'node:fs';
+
+import { loadTypeScriptProgram } from '#pkg/load-typescript-program';
+import { rewriteModuleSpecifiersOfTypeScriptProject } from '#pkg/transform/index';
+
+const commanderProgram = new commander.Command()
+  .addOption(
+    new commander.Option(
+      '--project <path-to-tsconfig-json>',
+      'Path to the TypeScript configuration file (e.g. "./tsconfig.json").',
+    ).makeOptionMandatory(),
+  )
+  .addOption(
+    new commander.Option(
+      '--basepath <path>',
+      'A root directory to resolve relative path entries in the TypeScript config file to (e.g. option "outDir"). If omitted, the directory of the TypeScript configuration file passed with "--project" is used.',
+    ),
+  );
+commanderProgram.parse();
+const options = commanderProgram.opts();
+
+async function run() {
+  const { default: pLimit } = await import('p-limit');
+
+  const typeScriptProgram = await loadTypeScriptProgram(options);
+
+  const limit = pLimit(10);
+  const operations = typeScriptProgram.fileNames.map((absolutePathSourceFile) =>
+    limit(async () => {
+      const text = await fs.promises.readFile(absolutePathSourceFile, 'utf8');
+      const newText = rewriteModuleSpecifiersOfTypeScriptProject(
+        typeScriptProgram,
+        absolutePathSourceFile,
+        text,
+      );
+      await fs.promises.writeFile(absolutePathSourceFile, newText);
+    }),
+  );
+  await Promise.all(operations);
+}
+
+void run();

packages/codemod-rewrite-module-specifiers-to-full-paths/src/load-typescript-program.ts

@@ -0,0 +1,63 @@
+import path from 'node:path';
+import invariant from 'tiny-invariant';
+import ts from 'typescript';
+
+import { fsUtils } from '@pkerschbaum/commons-node/utils/fs';
+
+export type TypeScriptProgram = {
+  compilerOptions: ts.CompilerOptions;
+  paths:
+    | {
+        absoluteBasePath: string;
+        patterns: ReadonlyArray<string | ts.Pattern>;
+      }
+    | undefined;
+  fileNames: string[];
+};
+
+export async function loadTypeScriptProgram(opts: {
+  project: string;
+  basepath?: string | undefined;
+}): Promise<TypeScriptProgram> {
+  const projectAbsolutePath = path.resolve(opts.project);
+  invariant(
+    await fsUtils.existsPath(projectAbsolutePath),
+    `expected to find project, but did not! projectAbsolutePath=${projectAbsolutePath}`,
+  );
+
+  const basepath = opts.basepath ?? path.dirname(projectAbsolutePath);
+
+  const configFile = ts.readConfigFile(projectAbsolutePath, ts.sys.readFile.bind(ts.sys));
+  invariant(
+    configFile.config,
+    `expected to find config, but couldn't! projectAbsolutePath=${projectAbsolutePath}`,
+  );
+  const { options: compilerOptions, fileNames } = ts.parseJsonConfigFileContent(
+    configFile.config,
+    ts.sys,
+    basepath,
+  );
+
+  const paths = computePathsContext(compilerOptions);
+
+  return {
+    compilerOptions,
+    paths,
+    fileNames,
+  };
+}
+
+function computePathsContext(compilerOptions: ts.CompilerOptions) {
+  let pathsPatterns = compilerOptions.configFile?.configFileSpecs?.pathPatterns;
+  let absoluteBasePath = undefined;
+  if (!compilerOptions.paths) {
+    return undefined;
+  }
+
+  pathsPatterns = ts.tryParsePatterns(compilerOptions.paths);
+
+  invariant(compilerOptions.pathsBasePath);
+  absoluteBasePath = compilerOptions.baseUrl ?? compilerOptions.pathsBasePath;
+
+  return { absoluteBasePath, patterns: pathsPatterns };
+}

packages/codemod-rewrite-module-specifiers-to-full-paths/src/transform/index.ts

@@ -0,0 +1 @@
+export * from '#pkg/transform/rewrite-module-specifiers-of-typescript-project';