feat: add initial publish script

Author: 43081j

.gitignore

@@ -1,2 +1,3 @@
 /node_modules
 *.swp
+/temp_bundle

.prettierrc.json

@@ -0,0 +1,10 @@
+{
+  "bracketSpacing": false,
+  "printWidth": 80,
+  "semi": true,
+  "singleQuote": true,
+  "tabWidth": 2,
+  "trailingComma": "none",
+  "useTabs": false,
+  "arrowParens": "always"
+}

package-lock.json

@@ -1,11 +1,13 @@
 {
   "name": "cjs-bundle",
   "private": true,
+  "type": "module",
   "version": "0.0.1",
   "description": "Creates a commonjs bundle of a given NPM package",
   "main": "lib/main.js",
   "scripts": {
-    "test": "node --test"
+    "test": "node --test",
+    "format": "prettier --write \"scripts/*.js\""
   },
   "repository": {
     "type": "git",
@@ -18,6 +20,8 @@
   },
   "homepage": "https://github.com/es-tooling/cjs-bundle#readme",
   "devDependencies": {
-    "esbuild": "^0.20.0"
+    "commander": "^12.0.0",
+    "esbuild": "^0.20.0",
+    "prettier": "^3.2.5"
   }
 }

package.json

@@ -0,0 +1,127 @@
+import {mkdir, readFile, writeFile, rm} from 'node:fs/promises';
+import * as esbuild from 'esbuild';
+import {program} from 'commander';
+import {promisify} from 'node:util';
+import {exec} from 'node:child_process';
+import {fileURLToPath} from 'node:url';
+import {join as joinPath} from 'node:path';
+
+const execAsyncNative = promisify(exec);
+
+const execAsync = async (command, opts) => {
+  const result = execAsyncNative(command, opts);
+  const [output] = await Promise.all([
+    result,
+    new Promise((resolve) => {
+      result.child.on('close', () => {
+        resolve(result);
+      });
+    })
+  ]);
+  return output;
+};
+
+const rootDir = fileURLToPath(new URL('..', import.meta.url));
+
+const packageKeysToKeep = [
+  'version',
+  'description',
+  'repository',
+  'author',
+  'license',
+  'bugs',
+  'homepage',
+  'engines'
+];
+
+async function createBundle(opts) {
+  const packageTemplatePath = joinPath(
+    rootDir,
+    './scripts/package-template.json'
+  );
+  const packageTemplate = JSON.parse(
+    await readFile(packageTemplatePath, {encoding: 'utf8'})
+  );
+  const name = opts.name.replaceAll(/[^@\w]/g, '');
+  const bundleDirName = 'temp_bundle';
+  const cwd = joinPath(rootDir, bundleDirName);
+  const actualPackagePath = joinPath(
+    rootDir,
+    bundleDirName,
+    'node_modules',
+    name,
+    'package.json'
+  );
+  const bundlePath = joinPath(cwd, 'main.js');
+
+  packageTemplate.name = `@cjs-bundle/${name}`;
+  packageTemplate.type = 'module';
+  packageTemplate.devDependencies[name] = 'latest';
+
+  console.log('Removing any existing bundle directory');
+  await rm(`./${bundleDirName}`, {recursive: true, force: true});
+
+  console.log('Creating bundle directory');
+  await mkdir(`./${bundleDirName}`);
+
+  console.log('Creating package.json');
+  await writeFile(
+    `./${bundleDirName}/package.json`,
+    JSON.stringify(packageTemplate, null, 2),
+    {encoding: 'utf8'}
+  );
+
+  console.log('Running `npm i`');
+  await execAsync('npm i', {
+    cwd
+  });
+
+  const actualPackage = JSON.parse(
+    await readFile(actualPackagePath, {encoding: 'utf8'})
+  );
+
+  console.log('Copying package.json fields across');
+  for (const key of packageKeysToKeep) {
+    packageTemplate[key] = actualPackage[key];
+  }
+
+  delete packageTemplate.type;
+  delete packageTemplate.devDependencies[name];
+
+  console.log('Writing new package.json');
+  await writeFile(
+    `./${bundleDirName}/package.json`,
+    JSON.stringify(packageTemplate, null, 2),
+    {encoding: 'utf8'}
+  );
+
+  console.log('Bundling');
+  await esbuild.build({
+    bundle: true,
+    absWorkingDir: cwd,
+    stdin: {contents: `export * from 'chai';`, resolveDir: cwd},
+    format: 'cjs',
+    outfile: bundlePath
+  });
+
+  console.log('Running `npm pkg fix`');
+  await execAsync('npm pkg fix', {cwd});
+
+  console.log('Publishing');
+  const publishCommand = opts.dryRun ? 'npm publish --dry-run' : 'npm publish';
+  const publishResult = await execAsync(publishCommand, {cwd});
+
+  console.log(publishResult.stderr);
+  console.log(publishResult.stdout);
+}
+
+program.option('--name <name>').option('--dry-run');
+
+program.parse();
+
+const options = program.opts();
+
+if (options.name) {
+  const dryRun = options.dryRun ?? false;
+  createBundle({name: options.name, dryRun});
+}

scripts/create.js

@@ -0,0 +1,27 @@
+{
+  "name": "",
+  "version": "0.0.1",
+  "description": "",
+  "main": "main.js",
+  "files": [
+    "./main.js"
+  ],
+  "exports": {
+    ".": "./main.js"
+  },
+  "scripts": {},
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/es-tooling/cjs-bundle.git"
+  },
+  "author": "James Garbutt (https://github.com/43081j)",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/es-tooling/cjs-bundle/issues"
+  },
+  "homepage": "https://github.com/es-tooling/cjs-bundle#readme",
+  "dependencies": {},
+  "devDependencies": {
+    "esbuild": "^0.20.0"
+  }
+}