diff options
Diffstat (limited to 'node_modules/@esbuild-plugins/node-modules-polyfill/esm/index.js')
| -rw-r--r-- | node_modules/@esbuild-plugins/node-modules-polyfill/esm/index.js | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/node_modules/@esbuild-plugins/node-modules-polyfill/esm/index.js b/node_modules/@esbuild-plugins/node-modules-polyfill/esm/index.js new file mode 100644 index 0000000..69526b5 --- /dev/null +++ b/node_modules/@esbuild-plugins/node-modules-polyfill/esm/index.js @@ -0,0 +1,120 @@ +var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { + function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); } + return new (P || (P = Promise))(function (resolve, reject) { + function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } + function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } + function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); } + step((generator = generator.apply(thisArg, _arguments || [])).next()); + }); +}; +import escapeStringRegexp from 'escape-string-regexp'; +import fs from 'fs'; +import path from 'path'; +import { builtinsPolyfills } from './polyfills'; +// import { NodeResolvePlugin } from '@esbuild-plugins/node-resolve' +const NAME = 'node-modules-polyfills'; +const NAMESPACE = NAME; +function removeEndingSlash(importee) { + if (importee && importee.slice(-1) === '/') { + importee = importee.slice(0, -1); + } + return importee; +} +export function NodeModulesPolyfillPlugin(options = {}) { + const { namespace = NAMESPACE, name = NAME } = options; + if (namespace.endsWith('commonjs')) { + throw new Error(`namespace ${namespace} must not end with commonjs`); + } + // this namespace is needed to make ES modules expose their default export to require: require('assert') will give you import('assert').default + const commonjsNamespace = namespace + '-commonjs'; + const polyfilledBuiltins = builtinsPolyfills(); + const polyfilledBuiltinsNames = [...polyfilledBuiltins.keys()]; + return { + name, + setup: function setup({ onLoad, onResolve, initialOptions }) { + var _a; + // polyfills contain global keyword, it must be defined + if ((initialOptions === null || initialOptions === void 0 ? void 0 : initialOptions.define) && !((_a = initialOptions.define) === null || _a === void 0 ? void 0 : _a.global)) { + initialOptions.define['global'] = 'globalThis'; + } + else if (!(initialOptions === null || initialOptions === void 0 ? void 0 : initialOptions.define)) { + initialOptions.define = { global: 'globalThis' }; + } + // TODO these polyfill module cannot import anything, is that ok? + function loader(args) { + return __awaiter(this, void 0, void 0, function* () { + try { + const argsPath = args.path.replace(/^node:/, ''); + const isCommonjs = args.namespace.endsWith('commonjs'); + const resolved = polyfilledBuiltins.get(removeEndingSlash(argsPath)); + const contents = yield (yield fs.promises.readFile(resolved)).toString(); + let resolveDir = path.dirname(resolved); + if (isCommonjs) { + return { + loader: 'js', + contents: commonJsTemplate({ + importPath: argsPath, + }), + resolveDir, + }; + } + return { + loader: 'js', + contents, + resolveDir, + }; + } + catch (e) { + console.error('node-modules-polyfill', e); + return { + contents: `export {}`, + loader: 'js', + }; + } + }); + } + onLoad({ filter: /.*/, namespace }, loader); + onLoad({ filter: /.*/, namespace: commonjsNamespace }, loader); + const filter = new RegExp([ + ...polyfilledBuiltinsNames, + ...polyfilledBuiltinsNames.map((n) => `node:${n}`), + ] + .map(escapeStringRegexp) + .join('|')); + function resolver(args) { + return __awaiter(this, void 0, void 0, function* () { + const argsPath = args.path.replace(/^node:/, ''); + const ignoreRequire = args.namespace === commonjsNamespace; + if (!polyfilledBuiltins.has(argsPath)) { + return; + } + const isCommonjs = !ignoreRequire && args.kind === 'require-call'; + return { + namespace: isCommonjs ? commonjsNamespace : namespace, + path: argsPath, + }; + }); + } + onResolve({ filter }, resolver); + // onResolve({ filter: /.*/, namespace }, resolver) + }, + }; +} +function commonJsTemplate({ importPath }) { + return ` +const polyfill = require('${importPath}') + +if (polyfill && polyfill.default) { + module.exports = polyfill.default + for (let k in polyfill) { + module.exports[k] = polyfill[k] + } +} else if (polyfill) { + module.exports = polyfill +} + + +`; +} +export default NodeModulesPolyfillPlugin; +//# sourceMappingURL=index.js.map
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