angular-cn/dev-infra/format/config.ts

52 lines
1.4 KiB
TypeScript

/**
* @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
*/
import {assertNoErrors, getConfig, NgDevConfig} from '../utils/config';
interface Formatter {
matchers: string[];
}
export interface FormatConfig {
[keyof: string]: boolean|Formatter;
}
/** Retrieve and validate the config as `FormatConfig`. */
export function getFormatConfig() {
// List of errors encountered validating the config.
const errors: string[] = [];
// The unvalidated config object.
const config: Partial<NgDevConfig<{format: FormatConfig}>> = getConfig();
if (config.format === undefined) {
errors.push(`No configuration defined for "format"`);
}
for (const [key, value] of Object.entries(config.format!)) {
switch (typeof value) {
case 'boolean':
break;
case 'object':
checkFormatterConfig(key, value, errors);
break;
default:
errors.push(`"format.${key}" is not a boolean or Formatter object`);
}
}
assertNoErrors(errors);
return config as Required<typeof config>;
}
/** Validate an individual Formatter config. */
function checkFormatterConfig(key: string, config: Partial<Formatter>, errors: string[]) {
if (config.matchers === undefined) {
errors.push(`Missing "format.${key}.matchers" value`);
}
}