WIP - add extractor, generate snippet_data

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

@@ -0,0 +1,30 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = extractValueFromBindExpression;
+/**
+ * Extractor function for a BindExpression type value node.
+ * A bind expression looks like `::this.foo`
+ * This will return `this.foo.bind(this)` as the value to indicate its existence,
+ * since we can not execute the function this.foo.bind(this) in a static environment.
+ *
+ * @param - value - AST Value object with type `BindExpression`
+ * @returns - The extracted value converted to correct type.
+ */
+function extractValueFromBindExpression(value) {
+  // eslint-disable-next-line global-require
+  var getValue = require('./index.js').default;
+  var callee = getValue(value.callee);
+
+  // If value.object === null, the callee must be a MemberExpression.
+  // https://github.com/babel/babylon/blob/master/ast/spec.md#bindexpression
+  var object = value.object === null ? getValue(value.callee.object) : getValue(value.object);
+
+  if (value.object && value.object.property) {
+    return object + '.' + callee + '.bind(' + object + ')';
+  }
+
+  return callee + '.bind(' + object + ')';
+}