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const { performance } = require("perf_hooks");
global.expect.extend({
toBeFasterThan: async (func, target) => {
const start = performance.now();
var error;
try {
await func();
} catch (e) {
error = e.toString();
}
const time = performance.now() - start;
return {
pass: time < target && !error,
message: () => error || `${func.name} took ${time}ms of maximum ${target}`,
};
},
});
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