@web/storybook-builder
Version:
Storybook builder powered by `@web/dev-server`
114 lines • 5.5 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.esbuildPluginCommonjsNamedExports = esbuildPluginCommonjsNamedExports;
const promises_1 = require("node:fs/promises");
const node_path_1 = require("node:path");
function esbuildPluginCommonjsNamedExports(modules) {
return {
name: 'commonjs-named-exports',
async setup(build) {
const slash = (await Promise.resolve().then(() => __importStar(require('slash')))).default;
const { init, parse } = await Promise.resolve().then(() => __importStar(require('cjs-module-lexer')));
await init();
build.onResolve({ filter: new RegExp(`^(${modules.join('|')})$`) }, async (args) => {
if (args.pluginData?.preventInfiniteRecursion)
return;
const { path, ...rest } = args;
rest.kind = 'entry-point'; // forces resolution to the file path, because we need names for external modules too
rest.importer = '';
rest.namespace = '';
rest.pluginData = { preventInfiniteRecursion: true };
const resolveResult = await build.resolve(path, rest);
const resolvedPath = resolveResult.path;
// skip if resolved to an ESM file
if (resolvedPath.endsWith('.mjs'))
return;
const namedExports = await getNamedExports(resolvedPath);
// skip if nothing is exported
// (or was an ESM file with .js extension or just failed)
if (namedExports.length === 0)
return;
return {
path: args.path,
namespace: 'commonjs-named-exports',
pluginData: {
resolveDir: args.resolveDir,
resolvedPath,
namedExports,
},
};
});
build.onLoad({ filter: /.*/, namespace: `commonjs-named-exports` }, async (args) => {
const { resolveDir, resolvedPath, namedExports } = args.pluginData;
const filteredNamedExports = namedExports.filter((name) => {
return (
// interop for "default" export heavily relies on the esbuild work done automatically
// we just always reexport it
// but we need to filter it out here to prevent double reexport if "default" was identified by the lexer
name !== 'default' &&
// we don't need "__esModule" flag in this wrapper
// because it outputs native ESM which will be consumed by other native ESM in the browser
name !== '__esModule');
});
const finalExports = ['default', ...filteredNamedExports];
return {
resolveDir,
contents: `export { ${finalExports.join(',')} } from './${slash((0, node_path_1.relative)(resolveDir, resolvedPath))}';`,
};
});
async function getNamedExports(path) {
const source = await (0, promises_1.readFile)(path, { encoding: 'utf8' });
let exports = [];
let reexports = [];
try {
({ exports, reexports } = parse(source));
}
catch {
// good place to start debugging if imports are not working
}
for (const reexport of reexports) {
const reexportPath = require.resolve(reexport, { paths: [(0, node_path_1.dirname)(path)] });
const deepExports = await getNamedExports(reexportPath);
for (const deepExport of deepExports) {
exports.push(deepExport);
}
}
return exports;
}
},
};
}
//# sourceMappingURL=esbuild-plugin-commonjs-named-exports.js.map