forked from mirrors/gecko-dev
d9951694c2
* Test that the preloaded image is actually used and that no preload requests are made if the resource shouldn't be preloaded Differential Revision: https://phabricator.services.mozilla.com/D139740
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
"use strict";
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Cu.importGlobalProperties(["URLSearchParams"]);
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function handleRequest(request, response) {
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response.setStatusLine(
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request.httpVersion,
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parseInt(request.queryString),
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"Dynamic error"
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);
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response.setHeader("Content-Type", "image/png", false);
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response.setHeader("Cache-Control", "max-age=604800", false);
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// count requests
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let image;
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let count = JSON.parse(getSharedState("earlyHintCount"));
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if (
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request.hasHeader("X-Moz") &&
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request.getHeader("X-Moz") === "early hint"
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) {
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count.hinted += 1;
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// set to green/black horizontal stripes (71 bytes)
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image = atob(
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"iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91JpzAAAADklEQVQIW2OU+i/FAAcADoABNV8X" +
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"GBMAAAAASUVORK5CYII="
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);
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} else {
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count.normal += 1;
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// set to purple/white checkered pattern (76 bytes)
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image = atob(
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"iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91JpzAAAAE0lEQVQIW2P4//+/N8MkBiAGsgA1" +
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"bAe1SzDY8gAAAABJRU5ErkJggg=="
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);
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}
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setSharedState("earlyHintCount", JSON.stringify(count));
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response.write(image);
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}
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