@angular-devkit/build-angular/src/builders/karma/find-tests-plugin.js

"use strict";
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
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 (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.FindTestsPlugin = void 0;
const assert_1 = __importDefault(require("assert"));
const fs_1 = require("fs");
const glob_1 = __importStar(require("glob"));
const path_1 = require("path");
const util_1 = require("util");
const webpack_diagnostics_1 = require("../../utils/webpack-diagnostics");
const globPromise = (0, util_1.promisify)(glob_1.default);
/**
 * The name of the plugin provided to Webpack when tapping Webpack compiler hooks.
 */
const PLUGIN_NAME = 'angular-find-tests-plugin';
class FindTestsPlugin {
    constructor(options) {
        this.options = options;
    }
    apply(compiler) {
        const { include = ['**/*.spec.ts'], exclude = [], projectSourceRoot, workspaceRoot, } = this.options;
        const webpackOptions = compiler.options;
        const entry = typeof webpackOptions.entry === 'function' ? webpackOptions.entry() : webpackOptions.entry;
        let originalImport;
        // Add tests files are part of the entry-point.
        webpackOptions.entry = async () => {
            const specFiles = await findTests(include, exclude, workspaceRoot, projectSourceRoot);
            if (!specFiles.length) {
                (0, assert_1.default)(this.compilation, 'Compilation cannot be undefined.');
                (0, webpack_diagnostics_1.addError)(this.compilation, `Specified patterns: "${include.join(', ')}" did not match any spec files.`);
            }
            const entrypoints = await entry;
            const entrypoint = entrypoints['main'];
            if (!entrypoint.import) {
                throw new Error(`Cannot find 'main' entrypoint.`);
            }
            originalImport !== null && originalImport !== void 0 ? originalImport : (originalImport = entrypoint.import);
            entrypoint.import = [...originalImport, ...specFiles];
            return entrypoints;
        };
        compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {
            this.compilation = compilation;
            compilation.contextDependencies.add(projectSourceRoot);
        });
    }
}
exports.FindTestsPlugin = FindTestsPlugin;
// go through all patterns and find unique list of files
async function findTests(include, exclude, workspaceRoot, projectSourceRoot) {
    const matchingTestsPromises = include.map((pattern) => findMatchingTests(pattern, exclude, workspaceRoot, projectSourceRoot));
    const files = await Promise.all(matchingTestsPromises);
    // Unique file names
    return [...new Set(files.flat())];
}
const normalizePath = (path) => path.replace(/\\/g, '/');
async function findMatchingTests(pattern, ignore, workspaceRoot, projectSourceRoot) {
    // normalize pattern, glob lib only accepts forward slashes
    let normalizedPattern = normalizePath(pattern);
    if (normalizedPattern.charAt(0) === '/') {
        normalizedPattern = normalizedPattern.substring(1);
    }
    const relativeProjectRoot = normalizePath((0, path_1.relative)(workspaceRoot, projectSourceRoot) + '/');
    // remove relativeProjectRoot to support relative paths from root
    // such paths are easy to get when running scripts via IDEs
    if (normalizedPattern.startsWith(relativeProjectRoot)) {
        normalizedPattern = normalizedPattern.substring(relativeProjectRoot.length);
    }
    // special logic when pattern does not look like a glob
    if (!(0, glob_1.hasMagic)(normalizedPattern)) {
        if (await isDirectory((0, path_1.join)(projectSourceRoot, normalizedPattern))) {
            normalizedPattern = `${normalizedPattern}/**/*.spec.@(ts|tsx)`;
        }
        else {
            // see if matching spec file exists
            const fileExt = (0, path_1.extname)(normalizedPattern);
            // Replace extension to `.spec.ext`. Example: `src/app/app.component.ts`-> `src/app/app.component.spec.ts`
            const potentialSpec = (0, path_1.join)(projectSourceRoot, (0, path_1.dirname)(normalizedPattern), `${(0, path_1.basename)(normalizedPattern, fileExt)}.spec${fileExt}`);
            if (await exists(potentialSpec)) {
                return [potentialSpec];
            }
        }
    }
    return globPromise(normalizedPattern, {
        cwd: projectSourceRoot,
        root: projectSourceRoot,
        nomount: true,
        absolute: true,
        ignore: ['**/node_modules/**', ...ignore],
    });
}
async function isDirectory(path) {
    try {
        const stats = await fs_1.promises.stat(path);
        return stats.isDirectory();
    }
    catch (_a) {
        return false;
    }
}
async function exists(path) {
    try {
        await fs_1.promises.access(path, fs_1.constants.F_OK);
        return true;
    }
    catch (_a) {
        return false;
    }
}
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport assert from 'assert';\nimport { PathLike, constants, promises as fs } from 'fs';\nimport glob, { hasMagic } from 'glob';\nimport { basename, dirname, extname, join, relative } from 'path';\nimport { promisify } from 'util';\nimport type { Compilation, Compiler } from 'webpack';\nimport { addError } from '../../utils/webpack-diagnostics';\n\nconst globPromise = promisify(glob);\n\n/**\n * The name of the plugin provided to Webpack when tapping Webpack compiler hooks.\n */\nconst PLUGIN_NAME = 'angular-find-tests-plugin';\n\nexport interface FindTestsPluginOptions {\n  include?: string[];\n  exclude?: string[];\n  workspaceRoot: string;\n  projectSourceRoot: string;\n}\n\nexport class FindTestsPlugin {\n  private compilation: Compilation | undefined;\n\n  constructor(private options: FindTestsPluginOptions) {}\n\n  apply(compiler: Compiler): void {\n    const {\n      include = ['**/*.spec.ts'],\n      exclude = [],\n      projectSourceRoot,\n      workspaceRoot,\n    } = this.options;\n    const webpackOptions = compiler.options;\n    const entry =\n      typeof webpackOptions.entry === 'function' ? webpackOptions.entry() : webpackOptions.entry;\n\n    let originalImport: string[] | undefined;\n\n    // Add tests files are part of the entry-point.\n    webpackOptions.entry = async () => {\n      const specFiles = await findTests(include, exclude, workspaceRoot, projectSourceRoot);\n\n      if (!specFiles.length) {\n        assert(this.compilation, 'Compilation cannot be undefined.');\n        addError(\n          this.compilation,\n          `Specified patterns: \"${include.join(', ')}\" did not match any spec files.`,\n        );\n      }\n\n      const entrypoints = await entry;\n      const entrypoint = entrypoints['main'];\n      if (!entrypoint.import) {\n        throw new Error(`Cannot find 'main' entrypoint.`);\n      }\n\n      originalImport ??= entrypoint.import;\n      entrypoint.import = [...originalImport, ...specFiles];\n\n      return entrypoints;\n    };\n\n    compiler.hooks.thisCompilation.tap(PLUGIN_NAME, (compilation) => {\n      this.compilation = compilation;\n      compilation.contextDependencies.add(projectSourceRoot);\n    });\n  }\n}\n\n// go through all patterns and find unique list of files\nasync function findTests(\n  include: string[],\n  exclude: string[],\n  workspaceRoot: string,\n  projectSourceRoot: string,\n): Promise<string[]> {\n  const matchingTestsPromises = include.map((pattern) =>\n    findMatchingTests(pattern, exclude, workspaceRoot, projectSourceRoot),\n  );\n  const files = await Promise.all(matchingTestsPromises);\n\n  // Unique file names\n  return [...new Set(files.flat())];\n}\n\nconst normalizePath = (path: string): string => path.replace(/\\\\/g, '/');\n\nasync function findMatchingTests(\n  pattern: string,\n  ignore: string[],\n  workspaceRoot: string,\n  projectSourceRoot: string,\n): Promise<string[]> {\n  // normalize pattern, glob lib only accepts forward slashes\n  let normalizedPattern = normalizePath(pattern);\n  if (normalizedPattern.charAt(0) === '/') {\n    normalizedPattern = normalizedPattern.substring(1);\n  }\n\n  const relativeProjectRoot = normalizePath(relative(workspaceRoot, projectSourceRoot) + '/');\n\n  // remove relativeProjectRoot to support relative paths from root\n  // such paths are easy to get when running scripts via IDEs\n  if (normalizedPattern.startsWith(relativeProjectRoot)) {\n    normalizedPattern = normalizedPattern.substring(relativeProjectRoot.length);\n  }\n\n  // special logic when pattern does not look like a glob\n  if (!hasMagic(normalizedPattern)) {\n    if (await isDirectory(join(projectSourceRoot, normalizedPattern))) {\n      normalizedPattern = `${normalizedPattern}/**/*.spec.@(ts|tsx)`;\n    } else {\n      // see if matching spec file exists\n      const fileExt = extname(normalizedPattern);\n      // Replace extension to `.spec.ext`. Example: `src/app/app.component.ts`-> `src/app/app.component.spec.ts`\n      const potentialSpec = join(\n        projectSourceRoot,\n        dirname(normalizedPattern),\n        `${basename(normalizedPattern, fileExt)}.spec${fileExt}`,\n      );\n\n      if (await exists(potentialSpec)) {\n        return [potentialSpec];\n      }\n    }\n  }\n\n  return globPromise(normalizedPattern, {\n    cwd: projectSourceRoot,\n    root: projectSourceRoot,\n    nomount: true,\n    absolute: true,\n    ignore: ['**/node_modules/**', ...ignore],\n  });\n}\n\nasync function isDirectory(path: PathLike): Promise<boolean> {\n  try {\n    const stats = await fs.stat(path);\n\n    return stats.isDirectory();\n  } catch {\n    return false;\n  }\n}\n\nasync function exists(path: PathLike): Promise<boolean> {\n  try {\n    await fs.access(path, constants.F_OK);\n\n    return true;\n  } catch {\n    return false;\n  }\n}\n"]}