1 files changed, 108 insertions, 0 deletions
diff --git a/node_modules/babel-types/lib/flow.js b/node_modules/babel-types/lib/flow.js
new file mode 100644
index 000000000..28579157d
--- /dev/null
+++ b/node_modules/babel-types/lib/flow.js
@@ -0,0 +1,108 @@
+"use strict";
+
+exports.__esModule = true;
+exports.createUnionTypeAnnotation = createUnionTypeAnnotation;
+exports.removeTypeDuplicates = removeTypeDuplicates;
+exports.createTypeAnnotationBasedOnTypeof = createTypeAnnotationBasedOnTypeof;
+
+var _index = require("./index");
+
+var t = _interopRequireWildcard(_index);
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
+
+function createUnionTypeAnnotation(types) {
+  var flattened = removeTypeDuplicates(types);
+
+  if (flattened.length === 1) {
+    return flattened[0];
+  } else {
+    return t.unionTypeAnnotation(flattened);
+  }
+}
+
+function removeTypeDuplicates(nodes) {
+  var generics = {};
+  var bases = {};
+
+  var typeGroups = [];
+
+  var types = [];
+
+  for (var i = 0; i < nodes.length; i++) {
+    var node = nodes[i];
+    if (!node) continue;
+
+    if (types.indexOf(node) >= 0) {
+      continue;
+    }
+
+    if (t.isAnyTypeAnnotation(node)) {
+      return [node];
+    }
+
+    if (t.isFlowBaseAnnotation(node)) {
+      bases[node.type] = node;
+      continue;
+    }
+
+    if (t.isUnionTypeAnnotation(node)) {
+      if (typeGroups.indexOf(node.types) < 0) {
+        nodes = nodes.concat(node.types);
+        typeGroups.push(node.types);
+      }
+      continue;
+    }
+
+    if (t.isGenericTypeAnnotation(node)) {
+      var name = node.id.name;
+
+      if (generics[name]) {
+        var existing = generics[name];
+        if (existing.typeParameters) {
+          if (node.typeParameters) {
+            existing.typeParameters.params = removeTypeDuplicates(existing.typeParameters.params.concat(node.typeParameters.params));
+          }
+        } else {
+          existing = node.typeParameters;
+        }
+      } else {
+        generics[name] = node;
+      }
+
+      continue;
+    }
+
+    types.push(node);
+  }
+
+  for (var type in bases) {
+    types.push(bases[type]);
+  }
+
+  for (var _name in generics) {
+    types.push(generics[_name]);
+  }
+
+  return types;
+}
+
+function createTypeAnnotationBasedOnTypeof(type) {
+  if (type === "string") {
+    return t.stringTypeAnnotation();
+  } else if (type === "number") {
+    return t.numberTypeAnnotation();
+  } else if (type === "undefined") {
+    return t.voidTypeAnnotation();
+  } else if (type === "boolean") {
+    return t.booleanTypeAnnotation();
+  } else if (type === "function") {
+    return t.genericTypeAnnotation(t.identifier("Function"));
+  } else if (type === "object") {
+    return t.genericTypeAnnotation(t.identifier("Object"));
+  } else if (type === "symbol") {
+    return t.genericTypeAnnotation(t.identifier("Symbol"));
+  } else {
+    throw new Error("Invalid typeof value");
+  }
+}
+\ No newline at end of file