Method trim

benchmark/data.js:733–735

(charType)

		return this.trim('[\\r\\n]');
	}
	trim(charType) {
		return this.trimStart(charType).trimEnd(charType);
	}
	trimEndAborted(charType) {
		const rx = new RegExp((charType || '\\s') + '+$');
		this.outro = this.outro.replace(rx, '');