зеркало из https://github.com/mozilla/bugbug.git
100 строки
2.7 KiB
JavaScript
100 строки
2.7 KiB
JavaScript
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const https = require("https");
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const functions = require("@google-cloud/functions-framework");
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const Diff2html = require("diff2html");
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const agent = new https.Agent({ keepAlive: true });
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const headers = new Headers({
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"User-Agent": "bugbug-diff2html",
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});
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const configuration = {
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// Diff2Html Configuration
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outputFormat: "line-by-line",
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matching: "lines",
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renderNothingWhenEmpty: false,
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diffStyle: "word",
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// Diff2HtmlUI Configuration
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synchronisedScroll: true,
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highlight: true,
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fileListToggle: true,
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fileListStartVisible: false,
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fileContentToggle: true,
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stickyFileHeaders: true,
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};
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/**
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* Responds to any HTTP request.
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*
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* @param {!express:Request} req HTTP request context.
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* @param {!express:Response} res HTTP response context.
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*/
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functions.http("diff2html", (req, res) => {
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res.set("Access-Control-Allow-Origin", "*");
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let revision_id = req.query.revision_id;
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let diff_id = req.query.diff_id;
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let changeset = req.query.changeset;
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let enableJS = req.query.format !== "html";
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if (
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changeset == undefined &&
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(revision_id == undefined || diff_id == undefined)
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) {
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res.status(400).send("Missing required parameters");
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return;
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}
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const url =
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changeset != undefined
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? `https://hg.mozilla.org/mozilla-central/raw-rev/${changeset}`
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: `https://phabricator.services.mozilla.com/D${revision_id}?id=${diff_id}&download=true`;
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fetch(url, { agent, headers })
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.then((res) => {
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if (!res.ok) throw Error(res.statusText);
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return res.text();
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})
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.then((text) => strDiff2Html(text, enableJS))
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.then((output) => res.status(200).send(output))
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.catch((err) => res.status(500).send(`Error: ${err.message}`));
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});
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const jsTemplate = `
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<meta charset="utf-8" />
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<link
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rel="stylesheet"
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href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/10.7.1/styles/github.min.css"
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/>
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<script
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type="text/javascript"
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src="https://cdn.jsdelivr.net/npm/diff2html/bundles/js/diff2html-ui.min.js"
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></script>
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<script>
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document.addEventListener("DOMContentLoaded", () => {
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const targetElement = document.getElementById("diff");
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const diff2htmlUi = new Diff2HtmlUI(targetElement);
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diff2htmlUi.fileListToggle(false);
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diff2htmlUi.fileContentToggle();
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diff2htmlUi.synchronisedScroll();
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diff2htmlUi.highlightCode();
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});
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</script>
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`;
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function strDiff2Html(strDiff, enableJS) {
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const diffHtml = Diff2html.html(strDiff, configuration);
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return `<!DOCTYPE html>
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<html lang="en-us">
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<head>${enableJS ? jsTemplate : ""}
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<link
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rel="stylesheet"
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type="text/css"
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href="https://cdn.jsdelivr.net/npm/diff2html/bundles/css/diff2html.min.css"
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/>
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</head>
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<body>
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<div id="diff">${diffHtml}</div>
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</body>
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</html>
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`;
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}
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