初始化

node_modules/htmlparser2/src/index.spec.ts

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+import { describe, it, expect } from "vitest";
+import {
+    parseDocument,
+    parseDOM,
+    createDocumentStream,
+    createDomStream,
+    DomHandler,
+    DefaultHandler,
+    type Parser,
+} from "./index.js";
+import { Element } from "domhandler";
+
+// Add an `attributes` prop to the Element for now, to make it possible for Jest to render DOM nodes.
+Object.defineProperty(Element.prototype, "attributes", {
+    get() {
+        return Object.keys(this.attribs).map((name) => ({
+            name,
+            value: this.attribs[name],
+        }));
+    },
+    configurable: true,
+    enumerable: false,
+});
+
+describe("Index", () => {
+    it("parseDocument", () => {
+        const dom = parseDocument("<a foo><b><c><?foo>Yay!");
+        expect(dom).toMatchSnapshot();
+    });
+
+    it("parseDOM", () => {
+        const dom = parseDOM("<a foo><b><c><?foo>Yay!");
+        expect(dom).toMatchSnapshot();
+    });
+
+    it("createDocumentStream", () => {
+        let documentStream!: Parser;
+
+        const documentPromise = new Promise(
+            (resolve, reject) =>
+                (documentStream = createDocumentStream((error, dom) =>
+                    error ? reject(error) : resolve(dom),
+                )),
+        );
+
+        for (const c of "&amp;This is text<!-- and comments --><tags>") {
+            documentStream.write(c);
+        }
+
+        documentStream.end();
+
+        return expect(documentPromise).resolves.toMatchSnapshot();
+    });
+
+    it("createDomStream", () => {
+        let domStream!: Parser;
+
+        const domPromise = new Promise(
+            (resolve, reject) =>
+                (domStream = createDomStream((error, dom) =>
+                    error ? reject(error) : resolve(dom),
+                )),
+        );
+
+        for (const c of "&amp;This is text<!-- and comments --><tags>") {
+            domStream.write(c);
+        }
+
+        domStream.end();
+
+        return expect(domPromise).resolves.toMatchSnapshot();
+    });
+
+    describe("API", () => {
+        it("should export the appropriate APIs", () => {
+            expect(DomHandler).toEqual(DefaultHandler);
+        });
+    });
+});