Intlayer

import { dirname, extname } from 'node:path'; import { pathToFileURL } from 'node:url'; import { type BuildOptions, type BuildResult, build, buildSync, type Loader, type Plugin, } from 'esbuild'; export type ESBuildPlugin = Plugin; export const getLoader = (extension: string): Loader => { switch (extension) { case '.js': return 'js'; case '.jsx': return 'jsx'; case '.mjs': return 'js'; case '.ts': return 'ts'; case '.tsx': return 'tsx'; case '.cjs': return 'js'; case '.json': return 'json'; case '.md': return 'text'; case '.mdx': return 'text'; default: return 'js'; } }; const getTransformationOptions = (filePath: string): BuildOptions => ({ loader: { '.js': 'js', '.jsx': 'jsx', '.mjs': 'js', '.ts': 'ts', '.tsx': 'tsx', '.cjs': 'js', '.json': 'json', '.md': 'text', '.mdx': 'text', }, format: 'cjs', target: 'node16', platform: 'neutral', write: false, packages: 'bundle', external: ['esbuild'], bundle: true, define: { 'import.meta.url': JSON.stringify(pathToFileURL(filePath).href), }, }); export const bundleFileSync = ( code: string, filePath: string, options?: BuildOptions ): string | undefined => { const extension = extname(filePath); const loader = getLoader(extension); const moduleResult: BuildResult = buildSync({ stdin: { contents: code, loader, resolveDir: dirname(filePath), // Add resolveDir to resolve imports relative to the file's location sourcefile: filePath, // Add sourcefile for better error messages }, ...getTransformationOptions(filePath), ...options, }); const moduleResultString = moduleResult.outputFiles?.[0].text; return moduleResultString; }; export const bundleFile = async ( code: string, filePath: string, options?: BuildOptions ): Promise<string | undefined> => { const extension = extname(filePath); const loader = getLoader(extension); const moduleResult: BuildResult = await build({ stdin: { contents: code, loader, resolveDir: dirname(filePath), // Add resolveDir to resolve imports relative to the file's location sourcefile: filePath, // Add sourcefile for better error messages }, ...getTransformationOptions(filePath), ...options, }); const moduleResultString = moduleResult.outputFiles?.[0].text; return moduleResultString; };