@angular-devkit/schematics
Version:
Angular Schematics - Library
45 lines • 4.97 kB
JavaScript
;
/**
* @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
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.htmlSelectorFormat = void 0;
// As per https://html.spec.whatwg.org/multipage/custom-elements.html#valid-custom-element-name
// * Without mandatory `-` as the application prefix will generally cover its inclusion
// * And an allowance for upper alpha characters
// NOTE: This should eventually be broken out into two formats: full and partial (allows for prefix)
const unicodeRanges = [
[0xc0, 0xd6],
[0xd8, 0xf6],
[0xf8, 0x37d],
[0x37f, 0x1fff],
[0x200c, 0x200d],
[0x203f, 0x2040],
[0x2070, 0x218f],
[0x2c00, 0x2fef],
[0x3001, 0xd7ff],
[0xf900, 0xfdcf],
[0xfdf0, 0xfffd],
[0x10000, 0xeffff],
];
function isValidElementName(name) {
let regex = '^[a-zA-Z][';
regex += '-.0-9_a-zA-Z\\u{B7}';
for (const range of unicodeRanges) {
regex += `\\u{${range[0].toString(16)}}-\\u{${range[1].toString(16)}}`;
}
regex += ']*$';
return new RegExp(regex, 'u').test(name);
}
exports.htmlSelectorFormat = {
name: 'html-selector',
formatter: {
async: false,
validate: (name) => typeof name === 'string' && isValidElementName(name),
},
};
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