romanize-string
Version:
A fully typed, general-purpose utility for unidirectional string transliteration (non-Latin script => Latin script).
20 lines (19 loc) • 829 B
JavaScript
import { pinyin } from "pinyin-pro";
export const romanizeMandarin = (input, omitTones) => {
// Check if the input contains any Chinese characters and return the original input if not.
if (!/[\u3400-\u9FBF]|[\u{20000}-\u{2A6DF}]|[\u{2A700}-\u{2B73F}]|[\u{2B740}-\u{2B81F}]|[\u{2B820}-\u{2CEAF}]/u.test(input)) {
return input;
}
const transliteration = pinyin(input, {
toneType: omitTones ? "none" : undefined,
})
.replace(/(\S)\s+([，。！？、])/gu, "$1$2") // Remove extra spaces before punctuation
.replace(/\s+/g, " ")
// Replace full-width punctuation with standard ASCII punctuation.
.replace(/[，]/g, ",")
.replace(/[。]/g, ".")
.replace(/[？]/g, "?")
.replace(/[！]/g, "!")
.trim();
return transliteration;
};