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- "use strict";
-
- exports.__esModule = true;
- exports["default"] = replaceShorthandObjectMethod;
-
- var util = _interopRequireWildcard(require("./util"));
-
- 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)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj["default"] = obj; return newObj; } }
-
- /**
- * Copyright (c) 2014-present, Facebook, Inc.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
- // this function converts a shorthand object generator method into a normal
- // (non-shorthand) object property which is a generator function expression. for
- // example, this:
- //
- // var foo = {
- // *bar(baz) { return 5; }
- // }
- //
- // should be replaced with:
- //
- // var foo = {
- // bar: function*(baz) { return 5; }
- // }
- //
- // to do this, it clones the parameter array and the body of the object generator
- // method into a new FunctionExpression.
- //
- // this method can be passed any Function AST node path, and it will return
- // either:
- // a) the path that was passed in (iff the path did not need to be replaced) or
- // b) the path of the new FunctionExpression that was created as a replacement
- // (iff the path did need to be replaced)
- //
- // In either case, though, the caller can count on the fact that the return value
- // is a Function AST node path.
- //
- // If this function is called with an AST node path that is not a Function (or with an
- // argument that isn't an AST node path), it will throw an error.
- function replaceShorthandObjectMethod(path) {
- var t = util.getTypes();
-
- if (!path.node || !t.isFunction(path.node)) {
- throw new Error("replaceShorthandObjectMethod can only be called on Function AST node paths.");
- } // this function only replaces shorthand object methods (called ObjectMethod
- // in Babel-speak).
-
-
- if (!t.isObjectMethod(path.node)) {
- return path;
- } // this function only replaces generators.
-
-
- if (!path.node.generator) {
- return path;
- }
-
- var parameters = path.node.params.map(function (param) {
- return t.cloneDeep(param);
- });
- var functionExpression = t.functionExpression(null, // id
- parameters, // params
- t.cloneDeep(path.node.body), // body
- path.node.generator, path.node.async);
- util.replaceWithOrRemove(path, t.objectProperty(t.cloneDeep(path.node.key), // key
- functionExpression, //value
- path.node.computed, // computed
- false // shorthand
- )); // path now refers to the ObjectProperty AST node path, but we want to return a
- // Function AST node path for the function expression we created. we know that
- // the FunctionExpression we just created is the value of the ObjectProperty,
- // so return the "value" path off of this path.
-
- return path.get("value");
- }
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