1 files changed, 54 insertions, 0 deletions
diff --git a/node_modules/loader-utils/lib/parseQuery.js b/node_modules/loader-utils/lib/parseQuery.js
new file mode 100644
index 000000000..5748cded8
--- /dev/null
+++ b/node_modules/loader-utils/lib/parseQuery.js
@@ -0,0 +1,54 @@
+"use strict";
+
+const JSON5 = require("json5");
+
+const specialValues = {
+	"null": null,
+	"true": true,
+	"false": false
+};
+
+function parseQuery(query) {
+	if(query.substr(0, 1) !== "?") {
+		throw new Error("A valid query string passed to parseQuery should begin with '?'");
+	}
+	query = query.substr(1);
+	if(!query) {
+		return {};
+	}
+	if(query.substr(0, 1) === "{" && query.substr(-1) === "}") {
+		return JSON5.parse(query);
+	}
+	const queryArgs = query.split(/[,&]/g);
+	const result = {};
+	queryArgs.forEach(arg => {
+		const idx = arg.indexOf("=");
+		if(idx >= 0) {
+			let name = arg.substr(0, idx);
+			let value = decodeURIComponent(arg.substr(idx + 1));
+			if(specialValues.hasOwnProperty(value)) {
+				value = specialValues[value];
+			}
+			if(name.substr(-2) === "[]") {
+				name = decodeURIComponent(name.substr(0, name.length - 2));
+				if(!Array.isArray(result[name]))
+					result[name] = [];
+				result[name].push(value);
+			} else {
+				name = decodeURIComponent(name);
+				result[name] = value;
+			}
+		} else {
+			if(arg.substr(0, 1) === "-") {
+				result[decodeURIComponent(arg.substr(1))] = false;
+			} else if(arg.substr(0, 1) === "+") {
+				result[decodeURIComponent(arg.substr(1))] = true;
+			} else {
+				result[decodeURIComponent(arg)] = true;
+			}
+		}
+	});
+	return result;
+}
+
+module.exports = parseQuery;