code-server/scripts/test-setup.js

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const fs = require("fs");
const util = require("util");
// This isn't properly promisified in Jest.
Object.defineProperty(fs.read, util.promisify.custom, {
configurable: true,
value: (...args) => {
return new Promise((resolve, reject) => {
args.push((error, bytesRead, buffer) => {
if (error) {
reject(error);
} else {
resolve({ bytesRead, buffer });
}
});
fs.read(...args);
});
},
});
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global.requestAnimationFrame = (cb) => {
setTimeout(cb, 0);
};
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// lchmod might not be available. Jest runs graceful-fs which makes this a no-op
// when it doesn't exist but that doesn't seem to always run when running
// multiple tests (or maybe it gets undone after a test).
if (!fs.lchmod) {
fs.lchmod = function (path, mode, cb) {
if (cb) {
process.nextTick(cb);
}
};
fs.lchmodSync = function () {};
}