mirror of https://github.com/webpack/webpack.git
43 lines
1.6 KiB
JavaScript
43 lines
1.6 KiB
JavaScript
it("should set fetchPriority", () => {
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import(/* webpackFetchPriority: "high" */ "./a");
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expect(document.head._children).toHaveLength(4);
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const script1 = document.head._children[2];
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expect(script1._attributes.fetchpriority).toBe("high");
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import(/* webpackFetchPriority: "low" */ "./b");
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expect(document.head._children).toHaveLength(5);
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const script2 = document.head._children[4];
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expect(script2._attributes.fetchpriority).toBe("low");
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import(/* webpackFetchPriority: "low" */ "./c");
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expect(document.head._children).toHaveLength(6);
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const script3 = document.head._children[5];
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expect(script3._attributes.fetchpriority).toBe("low");
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import(/* webpackPrefetch: 20, webpackFetchPriority: "auto" */ "./c");
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import("./d")
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expect(document.head._children).toHaveLength(7);
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const script4 = document.head._children[6];
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expect(script4._attributes.fetchpriority).toBeUndefined();
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import(/* webpackPrefetch: -20 */ "./d3");
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expect(document.head._children).toHaveLength(8);
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const script5 = document.head._children[7];
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expect(script5._attributes.fetchpriority).toBeUndefined();
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const condition = true;
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if (!condition) {
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import(/* webpackFetchPriority: "high", webpackChunkName: "one" */ "./e");
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expect(document.head._children).toHaveLength(9);
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const script6 = document.head._children[8];
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expect(script6._attributes.fetchpriority).toBe("high");
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} else {
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import(/* webpackFetchPriority: "low", webpackChunkName: "two" */ "./e");
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expect(document.head._children).toHaveLength(9);
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const script6 = document.head._children[8];
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expect(script6._attributes.fetchpriority).toBe("low");
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}
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});
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