string-from-charcodes/dist/index.js

An alternative to String.fromCharCode that doesn't throw with many arguments, while still remaining fast.

/* IMPORT */
import { MAX_ARGUMENTS_LENGTH } from './constants.js';
/* MAIN */
const fromCharCodes = (charCodes) => {
    if (!Array.isArray(charCodes))
        return fromCharCodes(Array.from(charCodes));
    const { length } = charCodes;
    if (length <= MAX_ARGUMENTS_LENGTH) { // Small-enough length, no need to use chunks
        return String.fromCharCode.apply(String, charCodes);
    }
    else { // Large-enough length, encoding in chunks
        const chunks = [];
        for (let ci = 0, i = 0; i < length; ci++) {
            const slice = charCodes.slice(i, i += MAX_ARGUMENTS_LENGTH);
            chunks[ci] = String.fromCharCode.apply(String, slice);
        }
        return chunks.join('');
    }
};
/* EXPORT */
export default fromCharCodes;