Run results for: uuunnnnii

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.104 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
mina	132069.0 Ops/sec
sina	62589.7 Ops/sec

Tests:

mina
const responseToTimeseries = (response) => { return response.reduce((base, { data }, index) => { data.forEach(([key, point]) => { const series = base[key]; if (series) { const { points, total } = series; const pointsDiff = index - points.length; // Add enough 'buffer' 0s to match the current index const buffer = pointsDiff ? new Array(pointsDiff).fill(0, 0, pointsDiff) : []; base[key] = { ...series, points: [...points, ...buffer, point], total: total + point } } else { base[key] = { // Pad as many 0s as needed to match the current index (length) // [0, point] satifies the tests, but data can be crazy sometimes 🤯 // This feels a bit more reliable points: new Array(index).fill(0, 0, index).concat(point), total: point, x: key, } } }) return base; }, {}); }; responseToTimeseries([{ data: [ [1242362340000, 20] ] }, { data: [ [1242362340000, 10], [1242362340001, 4], [1242362340002, 1] ] }, { data: [ [1242362340000, 6], [1242362340001, 9] ] }, { data: [ [1242362340000, 11], [1242362340001, 13], [1242362340002, 2] ] }, ])
sina
const responseToTimeseries = (response) => { // your implementation goes here const pointHash = {} class TimeSeriesPoint { constructor(x, point) { this.x = x this.points = [point] } addPoint(point) { this.points.push(point) } calcTotal() { return this.points.reduce((acc, curr) => acc + curr, 0) } toJson() { return {x: this.x, points: this.points, total: this.calcTotal()} } } response.flatMap(item => item.data) .forEach(([key, point]) => { if (pointHash[key]) { pointHash[key].addPoint(point) } else { pointHash[key] = new TimeSeriesPoint(key, point) } }) const plainJsonHash = {} Object.keys(pointHash) .forEach(key => { plainJsonHash[key] = pointHash[key].toJson() }) return plainJsonHash }; responseToTimeseries([{ data: [ [1242362340000, 20] ] }, { data: [ [1242362340000, 10], [1242362340001, 4], [1242362340002, 1] ] }, { data: [ [1242362340000, 6], [1242362340001, 9] ] }, { data: [ [1242362340000, 11], [1242362340001, 13], [1242362340002, 2] ] }, ])

whatever

mina

sina