Method constructor

benchmark/data.js:278–297

(string, options = {})

};
class MagicString {
	constructor(string, options = {}) {
		const chunk = new Chunk(0, string.length, string);
		Object.defineProperties(this, {
			original: { writable: true, value: string },
			outro: { writable: true, value: '' },
			intro: { writable: true, value: '' },
			firstChunk: { writable: true, value: chunk },
			lastChunk: { writable: true, value: chunk },
			lastSearchedChunk: { writable: true, value: chunk },
			byStart: { writable: true, value: {} },
			byEnd: { writable: true, value: {} },
			filename: { writable: true, value: options.filename },
			indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
			sourcemapLocations: { writable: true, value: new BitSet() },
			storedNames: { writable: true, value: {} },
			indentStr: { writable: true, value: guessIndent(string) },
		});
		this.byStart[0] = chunk;
		this.byEnd[string.length] = chunk;
	}
	addSourcemapLocation(char) {
		this.sourcemapLocations.add(char);
	}