mirror of https://github.com/webpack/webpack.git
58 lines
1.7 KiB
JavaScript
58 lines
1.7 KiB
JavaScript
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const should = require("should");
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const FakeDocument = require("../../../helpers/FakeDocument");
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let oldNonce;
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let oldPublicPath;
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beforeEach(() => {
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oldNonce = __webpack_nonce__;
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oldPublicPath = __webpack_public_path__;
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global.document = new FakeDocument();
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});
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afterEach(() => {
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delete global.document;
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__webpack_nonce__ = oldNonce;
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__webpack_public_path__ = oldPublicPath;
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})
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it("should prefetch and preload child chunks on chunk load", () => {
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__webpack_nonce__ = "nonce";
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__webpack_public_path__ = "/public/path/";
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const promise = import(/* webpackChunkName: "chunk1" */ "./chunk1");
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document.head._children.length.should.be.eql(1);
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const script = document.head._children[0];
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script._type.should.be.eql("script");
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should(script.src).be.eql("/public/path/chunk1.js")
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should(script.getAttribute("nonce")).be.eql("nonce")
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should(script.crossOrigin).be.eql("anonymous");
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should(script.onload).be.type("function");
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__non_webpack_require__("./chunk1.js");
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script.onload();
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return promise.then((ex) => {
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document.head._children.length.should.be.eql(4);
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let link = document.head._children[1];
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link._type.should.be.eql("link");
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should(link.rel).be.eql("preload");
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should(link.as).be.eql("script");
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should(link.href).be.eql("/public/path/chunk1-b.js");
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should(link.charset).be.eql("utf-8");
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should(link.getAttribute("nonce")).be.eql("nonce");
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should(link.crossOrigin).be.eql("anonymous");
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link = document.head._children[2];
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link._type.should.be.eql("link");
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should(link.rel).be.eql("prefetch");
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should(link.href).be.eql("/public/path/chunk1-c.js");
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link = document.head._children[3];
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link._type.should.be.eql("link");
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should(link.rel).be.eql("prefetch");
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should(link.href).be.eql("/public/path/chunk1-a.js");
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});
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})
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