mirror of
https://github.com/angular/angular-cli.git
synced 2025-05-18 03:23:57 +08:00
29 lines
1.1 KiB
TypeScript
29 lines
1.1 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 { SchematicsException } from '@angular-devkit/schematics';
|
|
|
|
// Must start with a letter, and must contain only alphanumeric characters or dashes.
|
|
// When adding a dash the segment after the dash must also start with a letter.
|
|
export const htmlSelectorRe = /^[a-zA-Z][.0-9a-zA-Z]*(:?-[a-zA-Z][.0-9a-zA-Z]*)*$/;
|
|
|
|
// See: https://github.com/tc39/proposal-regexp-unicode-property-escapes/blob/fe6d07fad74cd0192d154966baa1e95e7cda78a1/README.md#other-examples
|
|
const ecmaIdentifierNameRegExp = /^(?:[$_\p{ID_Start}])(?:[$_\u200C\u200D\p{ID_Continue}])*$/u;
|
|
|
|
export function validateHtmlSelector(selector: string): void {
|
|
if (selector && !htmlSelectorRe.test(selector)) {
|
|
throw new SchematicsException(`Selector "${selector}" is invalid.`);
|
|
}
|
|
}
|
|
|
|
export function validateClassName(className: string): void {
|
|
if (!ecmaIdentifierNameRegExp.test(className)) {
|
|
throw new SchematicsException(`Class name "${className}" is invalid.`);
|
|
}
|
|
}
|