unicode-block.js

Each Unicode character belongs to a block. This JavaScript module returns all blocks associated with the given string.

Unicode version: 16.0.0 (September 2024)

Install

Use npm or your favorite package manager to install this module:

npm install unicode-block

Or use ESM module directly from the browser.

Usage

unicodeBlock(string) / unicodeBlocks(char)

// Single character
import { unicodeBlock } from "unicode-block";
unicodeBlock("☼") // "Miscellaneous Symbols"

// All blocks used in the given string
import { unicodeBlocks } from "unicode-block";
unicodeBlocks("Abc")   // Set(1) { 'Basic Latin' }
unicodeBlocks("СC")    // Set(2) { 'Cyrillic', 'Basic Latin' }
unicodeBlocks("⧉⪥⟤") // Set(3) { 'Miscellaneous Mathematical Symbols-A',
                       //          'Miscellaneous Mathematical Symbols-B',
                       //          'Supplemental Mathematical Operators' }
unicodeBlocks("🃉🂹")   // Set(1) { 'Playing Cards' }
unicodeBlocks("𐱐")     // Set(1) { 'No_Block' }

List Names of All Blocks

import { listUnicodeBlocks } from "unicode-block";
listUnicodeBlocks()
// Set(339) {
//   'Basic Latin',
//   'Latin-1 Supplement',
//   'Latin Extended-A',
//   'Latin Extended-B',
//   'IPA Extensions',
//   'Spacing Modifier Letters',
//   ...

Get Range Data of a Specific Block

import { unicodeBlockInfo } from "unicode-block";
unicodeBlockInfo("Symbols for Legacy Computing Supplement")
// {
//   block: 'Symbols for Legacy Computing Supplement',
//   first: 117760, // First codepoint of block
//   last: 118463 // Last codepoint of block
// }

Also See

• Get the script of a character: unicode-scripts.js
• Get the name of a character: unicode-name.js

MIT License

• Copyright (C) 2024 Jan Lelis https://janlelis.com. Released under the MIT license.
• Unicode data: https://www.unicode.org/copyright.html#Exhibit1