A Node 4.x compatible ES2015 alternative to left-pad
$ npm install es-leftpad
leftpad = require('es-leftpad')
leftpad('foo', 5)
// => " foo"
leftpad('foobar', 6)
// => "foobar"
leftpad(1, 2, 0)
// => "01"
Performance compared to left-pad using benchmark.js
leftPad x 1,420,504 ops/sec ±0.45% (92 runs sampled)
es-leftPad x 4,607,534 ops/sec ±1.31% (91 runs sampled)
Padding to 8 ("999", 80, "0")): Fastest is es-leftPad
leftPad x 2,602,721 ops/sec ±0.94% (89 runs sampled)
es-leftPad x 5,120,414 ops/sec ±0.58% (93 runs sampled)
Padding to 8 ("999", 40, "0")): Fastest is es-leftPad
leftPad x 6,310,671 ops/sec ±0.53% (92 runs sampled)
es-leftPad x 5,318,553 ops/sec ±0.72% (92 runs sampled)
Padding to 12 (999, 12)): Fastest is leftPad
Passing all tests from left-pad/test.js
FAQs
An ES2015 alternative to left-pad
We found that es-leftpad demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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