@remotion/renderer/dist/assets/truncate-utf8-bytes.js

Render Remotion videos using Node.js or Bun

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.truncateUtf8Bytes = truncateUtf8Bytes;
function isHighSurrogate(codePoint) {
    return codePoint >= 0xd800 && codePoint <= 0xdbff;
}
function isLowSurrogate(codePoint) {
    return codePoint >= 0xdc00 && codePoint <= 0xdfff;
}
const getLength = Buffer.byteLength.bind(Buffer);
function truncateUtf8Bytes(string, byteLength) {
    if (typeof string !== 'string') {
        throw new Error('Input must be string');
    }
    const charLength = string.length;
    let curByteLength = 0;
    let codePoint;
    let segment;
    for (let i = 0; i < charLength; i += 1) {
        codePoint = string.charCodeAt(i);
        segment = string[i];
        if (isHighSurrogate(codePoint) &&
            isLowSurrogate(string.charCodeAt(i + 1))) {
            i += 1;
            segment += string[i];
        }
        curByteLength += getLength(segment);
        if (curByteLength === byteLength) {
            return string.slice(0, i + 1);
        }
        if (curByteLength > byteLength) {
            return string.slice(0, i - segment.length + 1);
        }
    }
    return string;
}