angular-cn/dev-infra/ts-circular-dependencies/config.ts

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/**
* @license
* Copyright Google Inc. 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
*/
import {dirname, isAbsolute, resolve} from 'path';
import {ModuleResolver} from './analyzer';
/** Configuration for a circular dependencies test. */
export interface CircularDependenciesTestConfig {
/** Base directory used for shortening paths in the golden file. */
baseDir: string;
/** Path to the golden file that is used for checking and approving. */
goldenFile: string;
/** Glob that resolves source files which should be checked. */
glob: string
/**
* Optional module resolver function that can be used to resolve modules
* to absolute file paths.
*/
resolveModule?: ModuleResolver;
/**
* Optional command that will be displayed if the golden check failed. This can be used
* to consistently use script aliases for checking/approving the golden.
*/
approveCommand?: string;
}
/**
* Loads the configuration for the circular dependencies test. If the config cannot be
* loaded, an error will be printed and the process exists with a non-zero exit code.
*/
export function loadTestConfig(configPath: string): CircularDependenciesTestConfig {
const configBaseDir = dirname(configPath);
const resolveRelativePath = (relativePath: string) => resolve(configBaseDir, relativePath);
try {
const config = require(configPath) as CircularDependenciesTestConfig;
if (!isAbsolute(config.baseDir)) {
config.baseDir = resolveRelativePath(config.baseDir);
}
if (!isAbsolute(config.goldenFile)) {
config.goldenFile = resolveRelativePath(config.goldenFile);
}
if (!isAbsolute(config.glob)) {
config.glob = resolveRelativePath(config.glob);
}
return config;
} catch (e) {
console.error('Could not load test configuration file at: ' + configPath);
console.error(`Failed with: ${e.message}`);
process.exit(1);
}
}