@wordpress/editor/src/utils/test/normalize-text-string.js

Enhanced block editor for WordPress posts.

import { normalizeTextString } from '../normalize-text-string';

describe( 'normalizeTextString', () => {
	it( 'should normalize hyphen-like characters to hyphens', () => {
		expect( normalizeTextString( 'foo~bar' ) ).toBe( 'foo-bar' );
		expect( normalizeTextString( 'foo־bar' ) ).toBe( 'foo-bar' );
		expect( normalizeTextString( 'foo‐bar' ) ).toBe( 'foo-bar' );
		expect( normalizeTextString( 'foo⸻bar' ) ).toBe( 'foo-bar' );
		expect( normalizeTextString( 'foo゠bar' ) ).toBe( 'foo-bar' );
		expect( normalizeTextString( 'foo－bar' ) ).toBe( 'foo-bar' );

		const dashCharacters = [
			// - (hyphen-minus)
			'\u002d',
			// ~ (tilde)
			'\u007e',
			// ­ (soft hyphen)
			'\u00ad',
			// ֊ (armenian hyphen)
			'\u058a',
			// ־ (hebrew punctuation maqaf)
			'\u05be',
			// ᐀ (canadian syllabics hyphen)
			'\u1400',
			// ᠆ (mongolian todo soft hyphen)
			'\u1806',
			// ‐ (hyphen)
			'\u2010',
			// non-breaking hyphen)
			'\u2011',
			// ‒ (figure dash)
			'\u2012',
			// – (en dash)
			'\u2013',
			// — (em dash)
			'\u2014',
			// ― (horizontal bar)
			'\u2015',
			// ⁓ (swung dash)
			'\u2053',
			// ⁻ (superscript minus)
			'\u207b',
			// ₋ (subscript minus)
			'\u208b',
			// − (minus sign)
			'\u2212',
			// ⸗ (double oblique hyphen)
			'\u2e17',
			// ⸺ (two-em dash)
			'\u2e3a',
			// ⸻ (three-em dash)
			'\u2e3b',
			// 〜 (wave dash)
			'\u301c',
			// 〰 (wavy dash)
			'\u3030',
			// ゠ (katakana-hiragana double hyphen)
			'\u30a0',
			// ︱ (presentation form for vertical em dash)
			'\ufe31',
			// ︲ (presentation form for vertical en dash)
			'\ufe32',
			// ﹘ (small em dash)
			'\ufe58',
			// ﹣ (small hyphen-minus)
			'\ufe63',
			// － (fullwidth hyphen-minus)
			'\uff0d',
		];
		expect( normalizeTextString( dashCharacters.join( '' ) ) ).toBe(
			'-'.repeat( dashCharacters.length )
		);
	} );

	it( 'should normalize unicode to standard characters', () => {
		expect( normalizeTextString( '①' ) ).toBe( '1' );
		expect( normalizeTextString( 'Ⅸ' ) ).toBe( 'ix' );
		expect( normalizeTextString( 'MC²' ) ).toBe( 'mc2' );
		expect( normalizeTextString( 'ＰｌａｙＳｔａｔｉｏｎ　２' ) ).toBe(
			'playstation 2'
		);
		expect( normalizeTextString( 'ＡＢＣ' ) ).toBe( 'abc' );
		expect( normalizeTextString( 'Amélie' ) ).toBe( 'amelie' );
	} );
} );