progress-of

Get progress and ETA of an iterator.

• Pretty, human-readable percentages and time estimates
• Gives you the data to print, doesn't log itself – cross-platform

Install

npm install progress-of

Example

import progressOf from 'progress-of'

for await(const [item, p] of progressOf([1, 2, 3])) {
  console.log(p.message) // 10% [1/10] ETA: 1m Elapsed: 10s
  console.log(`${p.percentPretty} [${p.counter}/${p.total}] ETA: ${p.etaPretty} Elapsed: ${p.elapsedPretty}`)
}

API

for(const [, progress] of progressOf(iterable, opts)) {}

• iterable [Iterable] Iterable to iterate over
• opts.size [number=iterable.length|Infinity] Iterable's size
• progress.eta [string] Human readable current ETA (between 0 & ∞)
• progress.elapsed [string] Human readable time elapsed since start
• progress.percent [string] Human readable current percentage done
• progress.message [string] Human readable message, like: 10% [1/10] ETA: 1m Elapsed: 10s
• progress.etaValue [number] ETA (in ms)
• progress.elapsedValue [number] Elapsed time (in ms)
• progress.percentValue [number] Percent value (between 0 & 100)
• progress.ratio [number] Fraction of items done (between 0 & 1)
• progress.current [number] Current counter of the iterable
• progress.total [number] Total size of the iterable

Libraries Used

• simple-eta
• pretty-ms