@thi.ng/strings NPM

npm downloads

This project is part of the @thi.ng/umbrella monorepo.

About

Various (80+) 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

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

hstr - Hollerith strings
computeCursorPos

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:

# with flag only for < v16
node --experimental-repl-await

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

Package sizes (gzipped, pre-treeshake): ESM: 4.38 KB

Dependencies

Usage examples

Several demos in this repo's /examples directory are using this package.

A selection:

Description	Live demo	Source
Basic crypto-currency candle chart with multiple moving averages plots	Demo	Source
Basic SPA example with atom-based UI router	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

Karsten Schmidt

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

ansi composition conversion cursor escape float format functional hex hollerith interpolation number padding percent radix slugify split string tab trim typescript unicode utf8 wordwrap

@thi.ng/api @thi.ng/errors @thi.ng/hex @thi.ng/memoize

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