private _escape()

in src/parser/cssScanner.ts [459:497]

• 36 lines of code
• 15 McCabe index (conditional complexity)

	private _escape(result: string[], includeNewLines?: boolean): boolean {
		let ch = this.stream.peekChar();
		if (ch === _BSL) {
			this.stream.advance(1);
			ch = this.stream.peekChar();
			let hexNumCount = 0;
			while (hexNumCount < 6 && (ch >= _0 && ch <= _9 || ch >= _a && ch <= _f || ch >= _A && ch <= _F)) {
				this.stream.advance(1);
				ch = this.stream.peekChar();
				hexNumCount++;
			}
			if (hexNumCount > 0) {
				try {
					const hexVal = parseInt(this.stream.substring(this.stream.pos() - hexNumCount), 16);
					if (hexVal) {
						result.push(String.fromCharCode(hexVal));
					}
				} catch (e) {
					// ignore
				}

				// optional whitespace or new line, not part of result text
				if (ch === _WSP || ch === _TAB) {
					this.stream.advance(1);
				} else {
					this._newline([]);
				}
				return true;
			}
			if (ch !== _CAR && ch !== _LFD && ch !== _NWL) {
				this.stream.advance(1);
				result.push(String.fromCharCode(ch));
				return true;
			} else if (includeNewLines) {
				return this._newline(result);
			}
		}
		return false;
	}