# stringfu > String utils Latest version **0.0.10** (published 2019-07-23) · MIT license · 0 weekly downloads ## Install ```sh npm install stringfu pnpm add stringfu yarn add stringfu bun add stringfu ``` ## Health **Score 25/100 (F)** — status: abandoned. Positive: has types; no vulnerabilities; high quality score. Warnings: low downloads; no esm support; pre 1.0. Negative: abandoned; low maintenance score. ## Facts | | | |---|---| | Version | 0.0.10 | | Published | 2019-07-23 | | First published | 2018-09-28 | | Weekly downloads | 0 | | License | MIT | | TypeScript types | bundled | | Module format | CommonJS | | Dependencies | 0 | | Unpacked size | 10.9 KB | | Known vulnerabilities | 0 | | Install scripts | no | | GitHub stars | 0 | | Author | Peter Roehlen | | Maintainers | peter.roehlen | | Keywords | string, utils, library, nodejs, browser | ## Links - npm: https://www.npmjs.com/package/stringfu - Repository: https://github.com/proehlen/stringfu - Homepage: https://github.com/proehlen/stringfu#README.md - Issues: https://github.com/proehlen/stringfu/issues - npm.io page: https://npm.io/package/stringfu ## Alternatives - [@opentelemetry/exporter-zipkin](https://npm.io/package/@opentelemetry/exporter-zipkin.md) — 14.8M weekly downloads - [pusher-js](https://npm.io/package/pusher-js.md) — 2.0M weekly downloads - [browserify](https://npm.io/package/browserify.md) — 1.7M weekly downloads - [sqs-consumer](https://npm.io/package/sqs-consumer.md) — 1.7M weekly downloads - [@sanity/eventsource](https://npm.io/package/@sanity/eventsource.md) — 930.8K weekly downloads ## Recent versions - 0.0.10 (latest) — 2019-07-23 - 0.0.9 — 2019-07-19 - 0.0.8 — 2019-07-19 - 0.0.7 — 2019-07-19 - 0.0.6 — 2019-07-16 - 0.0.5 — 2018-10-23 - 0.0.4 — 2018-10-03 - 0.0.3 — 2018-09-29 - 0.0.2 — 2018-09-28 - 0.0.1 — 2018-09-28 ## README # String Fu String manipulation and conversion functions including for working with bytes/hex strings. **Warning**: This sofware is under construction and in pre-alpha state. ## Example usage ```js import { reverseBytes } from 'stringfu'; console.log(reverseBytes('0FAB03')); // 03AB0F ``` ## API #### Table of Contents - [leftPad](#leftpad) - [Parameters](#parameters) - [rightPad](#rightpad) - [Parameters](#parameters-1) - [toBytes](#tobytes) - [Parameters](#parameters-2) - [fromBytes](#frombytes) - [Parameters](#parameters-3) - [reverseBytes](#reversebytes) - [Parameters](#parameters-4) - [containsOnly](#containsonly) - [Parameters](#parameters-5) - [isInteger](#isinteger) - [Parameters](#parameters-6) - [splitWidth](#splitwidth) - [Parameters](#parameters-7) - [isWhitespace](#iswhitespace) - [Parameters](#parameters-8) - [isAlphaNumeric](#isalphanumeric) - [Parameters](#parameters-9) ### leftPad Takes a string and makes it length, left-padded with padChar #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** - `length` **[number](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number)** - `padChar` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** ### rightPad Takes a string and makes it length, right-padded with spaces #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** - `length` **[number](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number)** ### toBytes Takes a hex string and returns Uint8Array of bytes #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** ### fromBytes Takes an array of bytes and returns them as a string #### Parameters - `bytes` **[Uint8Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array)** ### reverseBytes Takes a string of hexadecimal and returns a string with the bytes reversed #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** ### containsOnly Returns true if string only contains nominated chars #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** String to check - `chars` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** Chars to test with ### isInteger Returns true if string represents an integer number #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** String to check ### splitWidth Return a string as an array split at lineWidth chars #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** String to check - `lineWidth` **[number](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number)** Make lines this width Returns **[Array](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array)<[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)>** Array of strings ### isWhitespace Checks if string contains only whitespace characters #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** String to check Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** True/false ### isAlphaNumeric Checks if string contains only alphanumeric characters #### Parameters - `str` **[string](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String)** String to check Returns **[boolean](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** True if only alphanumeric --- _Source: https://npm.io/package/stringfu · Machine-readable twin of the npm.io package page. 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