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node_modules/jsx-ast-utils/lib/values/expressions/TemplateLiteral.js

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+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = extractValueFromTemplateLiteral;
+function sortStarts(a, b) {
+  return (a.range ? a.range[0] : a.start) - (b.range ? b.range[0] : b.start);
+}
+
+/**
+ * Returns the string value of a template literal object.
+ * Tries to build it as best as it can based on the passed
+ * prop. For instance `This is a ${prop}` will return 'This is a {prop}'.
+ *
+ * If the template literal builds to undefined (`${undefined}`), then
+ * this should return "undefined".
+ */
+function extractValueFromTemplateLiteral(value) {
+  var quasis = value.quasis,
+      expressions = value.expressions;
+
+  var partitions = quasis.concat(expressions);
+
+  return partitions.sort(sortStarts).map(function (_ref) {
+    var type = _ref.type,
+        _ref$value = _ref.value;
+    _ref$value = _ref$value === undefined ? {} : _ref$value;
+    var raw = _ref$value.raw,
+        name = _ref.name;
+
+    if (type === 'TemplateElement') {
+      return raw;
+    }
+
+    if (type === 'Identifier') {
+      return name === 'undefined' ? name : '{' + name + '}';
+    }
+
+    if (type.indexOf('Expression') > -1) {
+      return '{' + type + '}';
+    }
+
+    return '';
+  }).join('');
+}