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node_modules/babel-plugin-transform-function-bind/lib/index.js

@@ -0,0 +1,60 @@
+"use strict";
+
+exports.__esModule = true;
+
+exports.default = function (_ref) {
+  var t = _ref.types;
+
+  function getTempId(scope) {
+    var id = scope.path.getData("functionBind");
+    if (id) return id;
+
+    id = scope.generateDeclaredUidIdentifier("context");
+    return scope.path.setData("functionBind", id);
+  }
+
+  function getStaticContext(bind, scope) {
+    var object = bind.object || bind.callee.object;
+    return scope.isStatic(object) && object;
+  }
+
+  function inferBindContext(bind, scope) {
+    var staticContext = getStaticContext(bind, scope);
+    if (staticContext) return staticContext;
+
+    var tempId = getTempId(scope);
+    if (bind.object) {
+      bind.callee = t.sequenceExpression([t.assignmentExpression("=", tempId, bind.object), bind.callee]);
+    } else {
+      bind.callee.object = t.assignmentExpression("=", tempId, bind.callee.object);
+    }
+    return tempId;
+  }
+
+  return {
+    inherits: require("babel-plugin-syntax-function-bind"),
+
+    visitor: {
+      CallExpression: function CallExpression(_ref2) {
+        var node = _ref2.node,
+            scope = _ref2.scope;
+
+        var bind = node.callee;
+        if (!t.isBindExpression(bind)) return;
+
+        var context = inferBindContext(bind, scope);
+        node.callee = t.memberExpression(bind.callee, t.identifier("call"));
+        node.arguments.unshift(context);
+      },
+      BindExpression: function BindExpression(path) {
+        var node = path.node,
+            scope = path.scope;
+
+        var context = inferBindContext(node, scope);
+        path.replaceWith(t.callExpression(t.memberExpression(node.callee, t.identifier("bind")), [context]));
+      }
+    }
+  };
+};
+
+module.exports = exports["default"];