first commit

app_vue/node_modules/loader-utils/lib/parseQuery.js

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+'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 = Object.create(null);
+
+  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;