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forgejo/web_src/js/gitGraph.js
silverwind f8bd90ba60 enable lazy-loading of gitgraph.js (#9036)
- moved gitgraph.js to web_src and made it importable and es6-compatible
- created new webpack chunk for gitgraph
- enabled CSS loader in webpack
- enabled async/await syntax via regenerator-runtime
- added script to ensure webpack chunks are loaded correctly
- disable terser's comment extraction to prevent .LICENCE files

gitgraph.js has many issues:

1. it is incompatible with ES6 because of strict-mode violations
1. it does not export anything
1. it's css has weird styles like for `body`
1. it is not available on npm

I fixed points 1-3 in our version so it's now loadable in webpack. We should eventually consider alternatives.
2019-11-17 23:39:06 +02:00

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JavaScript

$(async () => {
const graphCanvas = document.getElementById('graph-canvas');
if (!graphCanvas) return;
const [{ default: gitGraph }] = await Promise.all([
import(/* webpackChunkName: "gitgraph" */'../vendor/gitgraph.js/gitgraph.custom.js'),
import(/* webpackChunkName: "gitgraph" */'../vendor/gitgraph.js/gitgraph.custom.css'),
]);
const graphList = [];
$('#graph-raw-list li span.node-relation').each(function () {
graphList.push($(this).text());
});
gitGraph(graphCanvas, graphList);
});