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Module

x/deno_dom/src/dom/selectors/selectors.ts

Browser DOM & HTML parser in Deno
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import { DOM as NWAPI } from "./nwsapi-types.ts";import { DOM as Sizzle } from "./sizzle-types.ts";import type { Element } from "../element.ts";import type { Document } from "../document.ts";
export type Selector = (doc: Document) => { first( selector: string, context: Element | Document, callback?: (element: Element) => void, ): Element | null; match( selector: string, context: Element | Document, callback?: (element: Element) => void, ): boolean; select( selector: string, context: Element | Document, callback?: (element: Element) => void, ): Element[];};export type SelectorApi = ReturnType<Selector>;
let codeGenerationAllowed: boolean | null = null;
export function getSelectorEngine(): Selector { if (codeGenerationAllowed === null) { try { new Function(""); codeGenerationAllowed = true; } catch (e) { codeGenerationAllowed = false; } }
if (codeGenerationAllowed) { return NWAPI; } else { return Sizzle; }}
/** * Explicitly disable querySelector/All code generation with the `Function` * constructor forcing the Sizzle engine. Enables those APIs on platforms * like Deno Deploy that don't allow code generation. */export function disableCodeGeneration() { codeGenerationAllowed = false;}