@coze/uniapp-api/dist/helpers/decoder.js

Official Coze UniApp SDK for seamless AI integration into your applications | 扣子官方 UniApp SDK，助您轻松集成 AI 能力到应用中

"use strict";
/* eslint-disable @typescript-eslint/no-magic-numbers -- ignore */
/* eslint-disable security/detect-object-injection -- ignore */
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TextDecoder = void 0;
// reference: https://gist.github.com/Yaffle/5458286
class TextDecoderPonyfill {
    decode(octets) {
        let string = '';
        let i = 0;
        while (i < octets.length) {
            let octet = octets[i];
            let bytesNeeded = 0;
            let codePoint = 0;
            if (octet <= 0x7f) {
                bytesNeeded = 0;
                codePoint = octet & 0xff;
            }
            else if (octet <= 0xdf) {
                bytesNeeded = 1;
                codePoint = octet & 0x1f;
            }
            else if (octet <= 0xef) {
                bytesNeeded = 2;
                codePoint = octet & 0x0f;
            }
            else if (octet <= 0xf4) {
                bytesNeeded = 3;
                codePoint = octet & 0x07;
            }
            if (octets.length - i - bytesNeeded > 0) {
                let k = 0;
                while (k < bytesNeeded) {
                    octet = octets[i + k + 1];
                    codePoint = (codePoint << 6) | (octet & 0x3f);
                    k += 1;
                }
            }
            else {
                codePoint = 0xfffd;
                bytesNeeded = octets.length - i;
            }
            string += String.fromCodePoint(codePoint);
            i += bytesNeeded + 1;
        }
        return string;
    }
}
exports.TextDecoder = (_a = (globalThis || window).TextDecoder) !== null && _a !== void 0 ? _a : TextDecoderPonyfill;