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README.md

@thi.ng/strings

npm version npm downloads Mastodon Follow

This project is part of the @thi.ng/umbrella monorepo and anti-framework.

About

Various (~100) string formatting, word wrapping & utility functions, some higher-order, some memoized.

Partially based on Clojure version of thi.ng/strf.

General

  • defFormat / format
  • interpolate / interpolateKeys
  • escape / unescape
  • join / splice / split
  • repeat
  • stringify

Numeric formatters

  • currency / chf / eur / gpb / usd / yen
  • radix
  • int / intLocale
  • float / floatFixedWidth
  • maybeParseFloat / maybeParseInt
  • percent
  • uuid
  • vector
  • B8 / B16 / B32 - fixed size binary formatters
  • U8 / U16 / U24 / U32 / U64 - fixed size hex formatters
  • Z2 / Z3 / Z4 - fixed sized zero padded number formatters

Casing

  • lower / upper / capitalize
  • camel / kebab / snake / upperSnake

Slugify

  • slugify / slugifyGH

ANSI

  • isAnsi / isAnsiEnd / isAnsiStart
  • stripAnsi
  • lengthAnsi

Word wrapping

  • wordWrap / wordWrapLine / wordWrapLines
  • SPLIT_PLAIN / SPLIT_ANSI

Padding / wrapping

  • center
  • padLeft / padRight
  • truncate / truncateLeft / truncateRight
  • trim
  • wrap

Indentation

  • spacesToTabs / spacesToTabsLine
  • tabsToSpaces / tabsToSpacesLine

Char range presets / lookup tables

  • charRange
  • ALPHA / ALPHA_NUM / DIGITS / LOWER / UPPER / HEX
  • BOM / ESCAPES / ESCAPES_REV
  • WS / PUNCTUATION

Units

  • units
  • bits / bytes
  • grams
  • meters
  • seconds
  • ruler / grid

Miscellaneous

Status

STABLE - used in production

Search or submit any issues for this package

Installation

yarn add @thi.ng/strings

ES module import:

<script type="module" src="https://cdn.skypack.dev/@thi.ng/strings"></script>

Skypack documentation

For Node.js REPL:

const strings = await import("@thi.ng/strings");

Package sizes (brotli'd, pre-treeshake): ESM: 4.86 KB

Dependencies

Usage examples

Several projects in this repo's /examples directory are using this package:

Screenshot Description Live demo Source
ASCII art raymarching with thi.ng/shader-ast & thi.ng/text-canvas Demo Source
Large ASCII font text generator using @thi.ng/rdom Demo Source
Basic crypto-currency candle chart with multiple moving averages plots Demo Source
Basic SPA example with atom-based UI router Demo Source
Mastodon API feed reader with support for different media types, fullscreen media modal, HTML rewriting Demo Source
Generative audio synth offline renderer and WAV file export Demo Source
rstream based spreadsheet w/ S-expression formula DSL Demo Source
XML/HTML/SVG to hiccup/JS conversion Demo Source

API

Generated API docs

Basic usage examples

// create a custom string formatter
const fmt = defFormat([
    "Price: ",
    { usd: "$", gbp: "£", eur: "€" },
    float(2),
    " (",
    percent(2),
    " off)"
]);

// use format
fmt("usd", 1.2345, 0.5);
// Price: $1.23 (50.00% off)

fmt("eur", 1.2345, 0.25)
// Price: €1.23 (25.00% off)

Authors

If this project contributes to an academic publication, please cite it as:

@misc{thing-strings,
  title = "@thi.ng/strings",
  author = "Karsten Schmidt",
  note = "https://thi.ng/strings",
  year = 2015
}

License

© 2015 - 2023 Karsten Schmidt // Apache License 2.0