124 lines
2.9 KiB
JavaScript
124 lines
2.9 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.default = defaultResolver;
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function _path() {
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const data = require('path');
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_path = function () {
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return data;
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};
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return data;
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}
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function _jestPnpResolver() {
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const data = _interopRequireDefault(require('jest-pnp-resolver'));
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_jestPnpResolver = function () {
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return data;
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};
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return data;
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}
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function _resolve() {
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const data = require('resolve');
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_resolve = function () {
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return data;
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};
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return data;
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}
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var _resolve2 = require('resolve.exports');
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var _fileWalkers = require('./fileWalkers');
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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/**
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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function defaultResolver(path, options) {
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// Yarn 2 adds support to `resolve` automatically so the pnpResolver is only
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// needed for Yarn 1 which implements version 1 of the pnp spec
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if (process.versions.pnp === '1') {
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return (0, _jestPnpResolver().default)(path, options);
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}
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const result = (0, _resolve().sync)(path, {
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...options,
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isDirectory: _fileWalkers.isDirectory,
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isFile: _fileWalkers.isFile,
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packageFilter: createPackageFilter(
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options.conditions,
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options.packageFilter
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),
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preserveSymlinks: false,
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readPackageSync,
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realpathSync: _fileWalkers.realpathSync
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}); // Dereference symlinks to ensure we don't create a separate
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// module instance depending on how it was referenced.
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return (0, _fileWalkers.realpathSync)(result);
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}
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/*
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* helper functions
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*/
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function readPackageSync(_, file) {
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return (0, _fileWalkers.readPackageCached)(file);
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}
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function createPackageFilter(conditions, userFilter) {
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function attemptExportsFallback(pkg) {
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const options = conditions
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? {
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conditions,
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unsafe: true
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} // no conditions were passed - let's assume this is Jest internal and it should be `require`
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: {
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browser: false,
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require: true
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};
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try {
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return (0, _resolve2.resolve)(pkg, '.', options);
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} catch {
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return undefined;
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}
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}
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return function packageFilter(pkg, packageDir) {
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let filteredPkg = pkg;
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if (userFilter) {
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filteredPkg = userFilter(filteredPkg, packageDir);
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}
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if (filteredPkg.main != null) {
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return filteredPkg;
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}
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const indexInRoot = (0, _path().resolve)(packageDir, './index.js'); // if the module contains an `index.js` file in root, `resolve` will request
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// that if there is no `main`. Since we don't wanna break that, add this
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// check
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if ((0, _fileWalkers.isFile)(indexInRoot)) {
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return filteredPkg;
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}
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return {...filteredPkg, main: attemptExportsFallback(filteredPkg)};
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};
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}
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