MappingsContext.js
f6e94234d26drights-mgmt

MappingsContext.js
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			/*
			MIT License http://www.opensource.org/licenses/mit-license.php
			Author Tobias Koppers @sokra
			*/
			"use strict";

			class MappingsContext {
			constructor() {
			this.sourcesIndices = new Map();
			this.sourcesContent = new Map();
			this.hasSourceContent = false;
			this.currentOriginalLine = 1;
			this.currentSource = 0;
			this.unfinishedGeneratedLine = false;
			}

			ensureSource(source, originalSource) {
			let idx = this.sourcesIndices.get(source);
			if(typeof idx === "number") {
			return idx;
			}
			idx = this.sourcesIndices.size;
			this.sourcesIndices.set(source, idx);
			this.sourcesContent.set(source, originalSource)
			if(typeof originalSource === "string")
			this.hasSourceContent = true;
			return idx;
			}

			getArrays() {
			const sources = [];
			const sourcesContent = [];

			for(const pair of this.sourcesContent) {
			sources.push(pair[0]);
			sourcesContent.push(pair[1]);
			}

			return {
			sources,
			sourcesContent
			};
			}
			}
			module.exports = MappingsContext;