angular-cn/packages/core/src/util/ng_reflect.ts
2018-11-27 10:18:51 -08:00

29 lines
936 B
TypeScript

/**
* @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
*/
export function normalizeDebugBindingName(name: string) {
// Attribute names with `$` (eg `x-y$`) are valid per spec, but unsupported by some browsers
name = camelCaseToDashCase(name.replace(/[$@]/g, '_'));
return `ng-reflect-${name}`;
}
const CAMEL_CASE_REGEXP = /([A-Z])/g;
function camelCaseToDashCase(input: string): string {
return input.replace(CAMEL_CASE_REGEXP, (...m: any[]) => '-' + m[1].toLowerCase());
}
export function normalizeDebugBindingValue(value: any): string {
try {
// Limit the size of the value as otherwise the DOM just gets polluted.
return value != null ? value.toString().slice(0, 30) : value;
} catch (e) {
return '[ERROR] Exception while trying to serialize the value';
}
}