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babel-helper-function-name

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babel-helper-function-name - npm Package Compare versions

Comparing version 6.8.0 to 6.18.0

80

lib/index.js

@@ -1,19 +0,16 @@

/*istanbul ignore next*/"use strict";
"use strict";
exports.__esModule = true;
exports.default = function ( /*istanbul ignore next*/_ref) {
/*istanbul ignore next*/var node = _ref.node;
/*istanbul ignore next*/var parent = _ref.parent;
/*istanbul ignore next*/var scope = _ref.scope;
/*istanbul ignore next*/var id = _ref.id;
exports.default = function (_ref) {
var node = _ref.node;
var parent = _ref.parent;
var scope = _ref.scope;
var id = _ref.id;
// has an `id` so we don't need to infer one
if (node.id) return;
if ((t.isObjectProperty(parent) || t.isObjectMethod(parent, { kind: "method" })) && (!parent.computed || t.isLiteral(parent.key))) {
// { foo() {} };
id = parent.key;
} else if (t.isVariableDeclarator(parent)) {
// let foo = function () {};
id = parent.id;

@@ -24,3 +21,2 @@

if (binding && binding.constant && scope.getBinding(id.name) === binding) {
// always going to reference this method
node.id = id;

@@ -32,3 +28,2 @@ node.id[t.NOT_LOCAL_BINDING] = true;

} else if (t.isAssignmentExpression(parent)) {
// foo = function () {};
id = parent.left;

@@ -39,3 +34,3 @@ } else if (!id) {

var name = /*istanbul ignore next*/void 0;
var name = void 0;
if (id && t.isLiteral(id)) {

@@ -52,5 +47,2 @@ name = id.value;

// The id shouldn't be considered a local binding to the function because
// we are simply trying to set the function name and not actually create
// a local binding.
id[t.NOT_LOCAL_BINDING] = true;

@@ -62,18 +54,14 @@

var /*istanbul ignore next*/_babelHelperGetFunctionArity = require("babel-helper-get-function-arity");
var _babelHelperGetFunctionArity = require("babel-helper-get-function-arity");
/*istanbul ignore next*/
var _babelHelperGetFunctionArity2 = _interopRequireDefault(_babelHelperGetFunctionArity);
var /*istanbul ignore next*/_babelTemplate = require("babel-template");
var _babelTemplate = require("babel-template");
/*istanbul ignore next*/
var _babelTemplate2 = _interopRequireDefault(_babelTemplate);
var /*istanbul ignore next*/_babelTypes = require("babel-types");
var _babelTypes = require("babel-types");
/*istanbul ignore next*/
var t = _interopRequireWildcard(_babelTypes);
/*istanbul ignore next*/
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; } }

@@ -83,13 +71,10 @@

var buildPropertyMethodAssignmentWrapper = /*istanbul ignore next*/(0, _babelTemplate2.default)( /*istanbul ignore next*/"\n (function (FUNCTION_KEY) {\n function FUNCTION_ID() {\n return FUNCTION_KEY.apply(this, arguments);\n }\n\n FUNCTION_ID.toString = function () {\n return FUNCTION_KEY.toString();\n }\n\n return FUNCTION_ID;\n })(FUNCTION)\n"); /* eslint max-len: 0 */
var buildPropertyMethodAssignmentWrapper = (0, _babelTemplate2.default)("\n (function (FUNCTION_KEY) {\n function FUNCTION_ID() {\n return FUNCTION_KEY.apply(this, arguments);\n }\n\n FUNCTION_ID.toString = function () {\n return FUNCTION_KEY.toString();\n }\n\n return FUNCTION_ID;\n })(FUNCTION)\n");
var buildGeneratorPropertyMethodAssignmentWrapper = /*istanbul ignore next*/(0, _babelTemplate2.default)( /*istanbul ignore next*/"\n (function (FUNCTION_KEY) {\n function* FUNCTION_ID() {\n return yield* FUNCTION_KEY.apply(this, arguments);\n }\n\n FUNCTION_ID.toString = function () {\n return FUNCTION_KEY.toString();\n };\n\n return FUNCTION_ID;\n })(FUNCTION)\n");
var buildGeneratorPropertyMethodAssignmentWrapper = (0, _babelTemplate2.default)("\n (function (FUNCTION_KEY) {\n function* FUNCTION_ID() {\n return yield* FUNCTION_KEY.apply(this, arguments);\n }\n\n FUNCTION_ID.toString = function () {\n return FUNCTION_KEY.toString();\n };\n\n return FUNCTION_ID;\n })(FUNCTION)\n");
var visitor = { /*istanbul ignore next*/
var visitor = {
"ReferencedIdentifier|BindingIdentifier": function ReferencedIdentifierBindingIdentifier(path, state) {
// check if this node matches our function id
if (path.node.name !== state.name) return;
// check that we don't have a local variable declared as that removes the need
// for the wrapper
var localDeclar = path.scope.getBindingIdentifier(state.name);

@@ -106,9 +91,6 @@ if (localDeclar !== state.outerDeclar) return;

if (scope.hasBinding(id.name) && !scope.hasGlobal(id.name)) {
// we can just munge the local binding
scope.rename(id.name);
} else {
// we don't currently support wrapping class expressions
if (!t.isFunction(method)) return;
// need to add a wrapper since we can't change the references
var build = buildPropertyMethodAssignmentWrapper;

@@ -123,6 +105,4 @@ if (method.generator) build = buildGeneratorPropertyMethodAssignmentWrapper;

// shim in dummy params to retain function arity, if you try to read the
// source then you'll get the original since it's proxied so it's all good
var params = _template.callee.body.body[0].params;
for (var i = 0, len = /*istanbul ignore next*/(0, _babelHelperGetFunctionArity2.default)(method); i < len; i++) {
for (var i = 0, len = (0, _babelHelperGetFunctionArity2.default)(method); i < len; i++) {
params.push(scope.generateUidIdentifier("x"));

@@ -148,5 +128,2 @@ }

// check to see if we have a local binding of the id we're setting inside of
// the function, this is important as there are caveats associated
var binding = scope.getOwnBinding(name);

@@ -156,28 +133,7 @@

if (binding.kind === "param") {
// safari will blow up in strict mode with code like:
//
// let t = function t(t) {};
//
// with the error:
//
// Cannot declare a parameter named 't' as it shadows the name of a
// strict mode function.
//
// this isn't to the spec and they've invented this behaviour which is
// **extremely** annoying so we avoid setting the name if it has a param
// with the same id
state.selfReference = true;
} else {
// otherwise it's defined somewhere in scope like:
//
// let t = function () {
// let t = 2;
// };
//
// so we can safely just set the id and move along as it shadows the
// bound function id
}
} else {}
} else if (state.outerDeclar || scope.hasGlobal(name)) {
scope.traverse(node, visitor, state);
}
scope.traverse(node, visitor, state);
}

@@ -187,2 +143,2 @@ return state;

/*istanbul ignore next*/module.exports = exports["default"];
module.exports = exports["default"];
{
"name": "babel-helper-function-name",
"version": "6.8.0",
"description": "",
"version": "6.18.0",
"description": "Helper function to change the property 'name' of every function",
"repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-function-name",

@@ -10,7 +10,7 @@ "license": "MIT",

"babel-runtime": "^6.0.0",
"babel-types": "^6.8.0",
"babel-traverse": "^6.8.0",
"babel-helper-get-function-arity": "^6.8.0",
"babel-types": "^6.18.0",
"babel-traverse": "^6.18.0",
"babel-helper-get-function-arity": "^6.18.0",
"babel-template": "^6.8.0"
}
}
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