Tinkoff Utils

Fast, small and purely functional utility library

Install

$ npm install @tinkoff/utils

Features

• Fast
• Small
• Fully tested
• Documented
• Purely functional
• Modern codebase

Structure of the library

• /object – for objects
• /string – for strings
• /promise – for promises
• /array – for arrays or array-like objects
• /function – for functions – composition, currying and so on, also a set of simple functions (noop, T, F)
• /is – set of type checking methods
• / – root contains utilities which don't satisfy any of the above categories or are universal

Usage

import pathOr from '@tinkoff/utils/object/pathOr';
import compose from '@tinkoff/utils/function/compose';
import toLower from '@tinkoff/utils/string/toLower';
import map from '@tinkoff/utils/array/map'

const toLowerName = compose(
    toLower,
    pathOr(['name'], '')
);
const result = map(toLowerName)([{name: 'testA'}, {name: 'testb'}])

Benchmarks

$ npm run benchmark

| Utility | Lodash | Ramda | Utils | | --- | --- | --- | --- | | clone | 120,807 ops/sec | 112,053 ops/sec | 293,572 ops/sec | | array/filter | 2,080,728 ops/sec | 1,849,633 ops/sec | 2,046,113 ops/sec | | is/empty | 1,506,963 ops/sec | 474,177 ops/sec | 3,731,564 ops/sec | | function/flip | 7,528,745 ops/sec | 3,735,143 ops/sec | 3,490,207 ops/sec | | object/path | 12,023,128 ops/sec | 8,894,639 ops/sec | 7,587,076 ops/sec | | string/trim | 4,215,928 ops/sec | 1,034,655 ops/sec | 6,029,794 ops/sec |

Browser support

• Chrome >= 40
• Firefox >= 52
• Edge >= 14
• IE >= 11
• Safari >= 10
• iOS >= 10
• Android >= 4.4

Node support

• 6.4.0 and higher

Bundle size

| Library | Bundle size | | --- | --- | | import _ from 'lodash' | 70.1 kb | | import ... from 'lodash/...' | 21.8 kb | | import R from 'ramda' | 41.3 kb | | import ... from 'ramda/src/...' | 10 kb | | import ... from '@tinkoff/utils/...' | 2.32 kb |

For detailed comparison with specific libraries see COMPARE.md