nx/scripts/patched-jest-resolver.js
2022-03-14 21:31:55 -04:00

86 lines
2.7 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
const path_1 = require('path');
const ts = require('typescript');
const fs = require('fs');
/**
* Custom resolver which will respect package exports (until Jest supports it natively
* by resolving https://github.com/facebook/jest/issues/9771)
*/
const enhancedResolver = require('enhanced-resolve').create.sync({
conditionNames: ['require', 'node', 'default'],
extensions: ['.js', '.json', '.node', '.ts', '.tsx'],
});
function getCompilerSetup(rootDir) {
const tsConfigPath =
ts.findConfigFile(rootDir, ts.sys.fileExists, 'tsconfig.spec.json') ||
ts.findConfigFile(rootDir, ts.sys.fileExists, 'tsconfig.test.json') ||
ts.findConfigFile(rootDir, ts.sys.fileExists, 'tsconfig.jest.json');
if (!tsConfigPath) {
console.error(
`Cannot locate a tsconfig.spec.json. Please create one at ${rootDir}/tsconfig.spec.json`
);
}
const readResult = ts.readConfigFile(tsConfigPath, ts.sys.readFile);
const config = ts.parseJsonConfigFileContent(
readResult.config,
ts.sys,
path_1.dirname(tsConfigPath)
);
const compilerOptions = config.options;
const host = ts.createCompilerHost(compilerOptions, true);
return { compilerOptions, host };
}
let compilerSetup;
if (
process.argv[1].indexOf('jest-worker') > -1 ||
(process.argv.length >= 4 && process.argv[3].split(':')[1] === 'test')
) {
const root = path_1.join(__dirname, '..', 'tmp', 'unit');
try {
if (!fs.existsSync(root)) {
fs.mkdirSync(root);
}
} catch (_err) {}
process.env.NX_WORKSPACE_ROOT_PATH = root;
}
module.exports = function (path, options) {
if (path === 'jest-sequencer-@jest/test-sequencer') return;
const ext = path_1.extname(path);
if (
ext === '.css' ||
ext === '.scss' ||
ext === '.sass' ||
ext === '.less' ||
ext === '.styl'
) {
return require.resolve('identity-obj-proxy');
}
// Try to use the defaultResolver
try {
if (path.startsWith('@nrwl/')) throw new Error('custom resolution');
if (path.startsWith('nx/')) throw new Error('custom resolution');
if (path.indexOf('@nrwl/workspace') > -1) {
throw 'Reference to local Nx package found. Use local version instead.';
}
// Global modules which must be resolved by defaultResolver
if (['fs', 'http', 'path'].includes(path)) {
return options.defaultResolver(path, options);
}
return enhancedResolver(options.basedir, path);
} catch (e) {
// Fallback to using typescript
compilerSetup = compilerSetup || getCompilerSetup(options.rootDir);
const { compilerOptions, host } = compilerSetup;
return ts.resolveModuleName(path, options.basedir, compilerOptions, host)
.resolvedModule.resolvedFileName;
}
};