настройка webpack

node_modules/webpack-sources/lib/OriginalSource.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+var SourceNode = require("source-map").SourceNode;
+var SourceMapConsumer = require("source-map").SourceMapConsumer;
+var SourceListMap = require("source-list-map").SourceListMap;
+var Source = require("./Source");
+
+var SPLIT_REGEX = /(?!$)[^\n\r;{}]*[\n\r;{}]*/g;
+
+function _splitCode(code) {
+	return code.match(SPLIT_REGEX) || [];
+}
+
+class OriginalSource extends Source {
+	constructor(value, name) {
+		super();
+		this._value = value;
+		this._name = name;
+	}
+
+	source() {
+		return this._value;
+	}
+
+	node(options) {
+		options = options || {};
+		var sourceMap = this._sourceMap;
+		var value = this._value;
+		var name = this._name;
+		var lines = value.split("\n");
+		var node = new SourceNode(null, null, null,
+			lines.map(function(line, idx) {
+				var pos = 0;
+				if(options.columns === false) {
+					var content = line + (idx != lines.length - 1 ? "\n" : "");
+					return new SourceNode(idx + 1, 0, name, content);
+				}
+				return new SourceNode(null, null, null,
+					_splitCode(line + (idx != lines.length - 1 ? "\n" : "")).map(function(item) {
+						if(/^\s*$/.test(item)) {
+							pos += item.length;
+							return item;
+						}
+						var res = new SourceNode(idx + 1, pos, name, item);
+						pos += item.length;
+						return res;
+					})
+				);
+			})
+		);
+		node.setSourceContent(name, value);
+		return node;
+	}
+
+	listMap(options) {
+		return new SourceListMap(this._value, this._name, this._value)
+	}
+
+	updateHash(hash) {
+		hash.update(this._value);
+	}
+}
+
+require("./SourceAndMapMixin")(OriginalSource.prototype);
+
+module.exports = OriginalSource;