@yanshouwang/core/dist/ascii.js

Core Lib of TypeScript

class ASCII {
    decode(codes) {
        let str = "";
        for (let i = 0; i < codes.length; i++) {
            const code = codes[i];
            if (code < 0x80) {
                str += String.fromCharCode(code);
            }
            else {
                throw new RangeError();
            }
        }
        return str;
    }
    encode(str) {
        const items = [];
        for (let i = 0; i < str.length; i++) {
            const code = str.charCodeAt(i);
            // UTF-16 编码范围 : 0 - 0xFFFF
            // ASCII 编码范围 : 0 - 0x7F
            if (code < 0x80) {
                items.push(code);
            }
            else {
                throw new RangeError();
            }
        }
        return new Uint8Array(items);
    }
}
export { ASCII };