Icard/angular-clarity-master(work.../node_modules/lit-html/development/directives/unsafe-html.js

61 lines
2.2 KiB
JavaScript

/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
import { nothing, noChange } from '../lit-html.js';
import { directive, Directive, PartType } from '../directive.js';
const HTML_RESULT = 1;
export class UnsafeHTMLDirective extends Directive {
constructor(partInfo) {
super(partInfo);
this._value = nothing;
if (partInfo.type !== PartType.CHILD) {
throw new Error(`${this.constructor.directiveName}() can only be used in child bindings`);
}
}
render(value) {
if (value === nothing || value == null) {
this._templateResult = undefined;
return (this._value = value);
}
if (value === noChange) {
return value;
}
if (typeof value != 'string') {
throw new Error(`${this.constructor.directiveName}() called with a non-string value`);
}
if (value === this._value) {
return this._templateResult;
}
this._value = value;
const strings = [value];
// eslint-disable-next-line @typescript-eslint/no-explicit-any
strings.raw = strings;
// WARNING: impersonating a TemplateResult like this is extremely
// dangerous. Third-party directives should not do this.
return (this._templateResult = {
// Cast to a known set of integers that satisfy ResultType so that we
// don't have to export ResultType and possibly encourage this pattern.
// This property needs to remain unminified.
['_$litType$']: this.constructor
.resultType,
strings,
values: [],
});
}
}
UnsafeHTMLDirective.directiveName = 'unsafeHTML';
UnsafeHTMLDirective.resultType = HTML_RESULT;
/**
* Renders the result as HTML, rather than text.
*
* The values `undefined`, `null`, and `nothing`, will all result in no content
* (empty string) being rendered.
*
* Note, this is unsafe to use with any user-provided input that hasn't been
* sanitized or escaped, as it may lead to cross-site-scripting
* vulnerabilities.
*/
export const unsafeHTML = directive(UnsafeHTMLDirective);
//# sourceMappingURL=unsafe-html.js.map