28096121195

Committed 24 Jun 2026 11:45AM UTC coverage: 86.882% (-0.6%) from 87.527%

Build # 28096121195

Build Type

Pull #445

github

Committed by

web-flow

Commit Message

Merge 07e9452fa into 3bb3df089

Pull Request Pull Request #445: feat!: remove Node 20 support

Coverage Stats

117 of 146 branches covered (80.14%)

Branch coverage included in aggregate %.

287 of 319 relevant lines covered (89.97%)

83.78 hits per line

Source File
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85.29

/lib/function-loader.js

const fs = require('fs');
const path = require('path');

// This is the way to import es modules inside a CJS module
const dynamicImport = new Function('modulePath', 'return import(modulePath)');

async function loadFunction(filePath) {
  if (isESM(filePath)) {
    if (process.platform === 'win32') {
      // Windows requires the file path to be a URL
      filePath = `file:///${filePath}`;
    }
    code = await dynamicImport(filePath);
  } else {
    code = require(filePath);
  }

  return code;
}

// https://nodejs.org/dist/latest-v18.x/docs/api/packages.html#determining-module-system
// An ESM module can be determined 2 ways
// 1. has the mjs file extention
// 2. type=module in the package.json
function isESM(filePath) {
  const pathParsed = path.parse(filePath);

  if (pathParsed.ext === '.mjs') {
    return true;
  }

  // find the functions package.json and see if it has a type field
  // look in the parent directory if the function is in a subdirectory
  let dir = pathParsed.dir;
  const rootDir = path.parse(process.cwd()).root;
  while (!hasPackageJson(dir)) {
    if (dir === rootDir) return false;
    dir = path.dirname(dir);
  }

  // Load the package.json and check the type field
  // Put this in a try/catch in case the package.json is invalid
  let pkgPath = path.join(dir, 'package.json');
  try {
    const functionPkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));
    return functionPkg.type === 'module';
  } catch(e) {
    console.warn(e);
    return false;
  }
}

function hasPackageJson(dir) {
  const pkgPath = path.join(dir, 'package.json');
  return fs.existsSync(pkgPath);
}

module.exports = exports = { loadFunction };

1	const fs = require('fs');	3✔
2	const path = require('path');	3✔
3
4	// This is the way to import es modules inside a CJS module
5	const dynamicImport = new Function('modulePath', 'return import(modulePath)');	3✔
6
7	async function loadFunction(filePath) {
8	if (isESM(filePath)) {	12✔
9	if (process.platform === 'win32') {	9!
10	// Windows requires the file path to be a URL
11	filePath = `file:///${filePath}`;	×
12	}
13	code = await dynamicImport(filePath);	9✔
14	} else {
15	code = require(filePath);	3✔
16	}
17
18	return code;	12✔
19	}
20
21	// https://nodejs.org/dist/latest-v18.x/docs/api/packages.html#determining-module-system
22	// An ESM module can be determined 2 ways
23	// 1. has the mjs file extention
24	// 2. type=module in the package.json
25	function isESM(filePath) {
26	const pathParsed = path.parse(filePath);	12✔
27
28	if (pathParsed.ext === '.mjs') {	12✔
29	return true;	3✔
30	}
31
32	// find the functions package.json and see if it has a type field
33	// look in the parent directory if the function is in a subdirectory
34	let dir = pathParsed.dir;	9✔
35	const rootDir = path.parse(process.cwd()).root;	9✔
36	while (!hasPackageJson(dir)) {	9✔
37	if (dir === rootDir) return false;	3!
38	dir = path.dirname(dir);	3✔
39	}
40
41	// Load the package.json and check the type field
42	// Put this in a try/catch in case the package.json is invalid
43	let pkgPath = path.join(dir, 'package.json');	9✔
44	try {	9✔
45	const functionPkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));	9✔
46	return functionPkg.type === 'module';	9✔
47	} catch(e) {
48	console.warn(e);	×
49	return false;	×
50	}
51	}
52
53	function hasPackageJson(dir) {
54	const pkgPath = path.join(dir, 'package.json');	12✔
55	return fs.existsSync(pkgPath);	12✔
56	}
57
58	module.exports = exports = { loadFunction };	3✔

nodeshift / faas-js-runtime / 28096121195

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