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@thi.ng/arrays
Advanced tools
[!NOTE] This is one of 200 standalone projects, maintained as part of the @thi.ng/umbrella monorepo and anti-framework.
🚀 Please help me to work full-time on these projects by sponsoring me on GitHub. Thank you! ❤️
Array / Arraylike utilities.
STABLE - used in production
Search or submit any issues for this package
yarn add @thi.ng/arrays
ESM import:
import * as arr from "@thi.ng/arrays";
Browser ESM import:
<script type="module" src="https://esm.run/@thi.ng/arrays"></script>
For Node.js REPL:
const arr = await import("@thi.ng/arrays");
Package sizes (brotli'd, pre-treeshake): ESM: 3.00 KB
Note: @thi.ng/api is in most cases a type-only import (not used at runtime)
Six projects in this repo's /examples directory are using this package:
Screenshot | Description | Live demo | Source |
---|---|---|---|
k-means clustering visualization | Demo | Source | |
Randomized 4-point 2D color gradient image generator | Demo | Source | |
Animated, iterative polygon subdivisions & visualization | Demo | Source | |
Responsive image gallery with tag-based Jaccard similarity ranking | Demo | Source | |
Responsive & reactively computed stacked column layout | Demo | Source | |
Tree-based UI to find & explore thi.ng projects via their associated keywords | Demo | Source |
arrayIterator()
argMin()
/ argMax()
argSort()
binarySearch()
bisect()
blit1d()
/ blit2d()endsWith()
ensureArray()
ensureIterable()
fillRange()
find()
findSequence()
floydRivest()
fuzzyMatch()
insert()
into()
isSorted()
levenshtein()
multiSwap()
peek()
quickSort()
rotate()
/ rotateTyped()
selectThresholdMin()
/ selectThresholdMax()
shuffle()
(w/ custom PRNG support)shuffleRange()
(w/ custom PRNG support)sortByCachedKey()
startsWith()
swap()
swizzle()
topoSort()
The following predicates can be used to perform predecessor / successor
queries using binarySearch()
.
bsLT()
- Returns index of last item less than search value or -1 if
no such values existbsLE()
- Similar to bsLT()
, but for less-than-equals queriesbsGT()
- Returns index of first item greater than search value or -1
if no such values existbsGE()
- Similar to bsGT()
, but for less-than-equals queriesbsEQ()
- Merely syntax sugar, casting any non-found result indices to -1import { binarySearch, bsGT, bsLT } from "@thi.ng/arrays";
const src = [10, 20, 30, 40];
bsLT(binarySearch(src, 25))
// 1
// greater-than queries also require the array length
bsGT(binarySearch(src, 25), src.length)
// 2
bsGT(binarySearch(src, 40), src.length)
// -1
If this project contributes to an academic publication, please cite it as:
@misc{thing-arrays,
title = "@thi.ng/arrays",
author = "Karsten Schmidt",
note = "https://thi.ng/arrays",
year = 2018
}
© 2018 - 2024 Karsten Schmidt // Apache License 2.0
FAQs
Array / Arraylike utilities
We found that @thi.ng/arrays demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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