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Retry to fix object spread helper compatibility (#9384)

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This reverts commit 43b83f8ed7545b9c049eeed85541fa162842fb8f.

Fix objectSpread helper breaking old codes

remove tests to regenerate later

renamed output

new name

try using word

add comment as requested

revert inline name changes

add 2 for consistency

Update packages/babel-helpers/src/helpers.js

Co-Authored-By: Daniel Tschinder <daniel@tschinder.de>
This commit is contained in:
Kagami Sascha Rosylight 2019-05-25 19:57:13 +09:00 committed by Nicolò Ribaudo
parent 1cfb92d66a
commit a596da2822
10 changed files with 55 additions and 13 deletions
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25
packages/babel-helpers/src/helpers.js
View File

@ -384,6 +384,7 @@ helpers.extends = helper("7.0.0-beta.0")`
}
`;
// This old helper can be removed in babel v8
helpers.objectSpread = helper("7.0.0-beta.0")`
import defineProperty from "defineProperty";
@ -404,6 +405,30 @@ helpers.objectSpread = helper("7.0.0-beta.0")`
}
`;
helpers.objectSpread2 = helper("7.0.0-beta.0")`
import defineProperty from "defineProperty";
export default function _objectSpread2(target) {
for (var i = 1; i < arguments.length; i++) {
if (i % 2) {
var source = (arguments[i] != null) ? arguments[i] : {};
var ownKeys = Object.keys(source);
if (typeof Object.getOwnPropertySymbols === 'function') {
ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function(sym) {
return Object.getOwnPropertyDescriptor(source, sym).enumerable;
}));
}
ownKeys.forEach(function(key) {
defineProperty(target, key, source[key]);
});
} else {
Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i]));
}
}
return target;
}
`;
helpers.inherits = helper("7.0.0-beta.0")`
import setPrototypeOf from "setPrototypeOf";

11
packages/babel-plugin-proposal-object-rest-spread/src/index.js
View File

@ -431,15 +431,10 @@ export default declare((api, opts) => {
let props = [];
function push() {
if (!props.length) return;
args.push(t.objectExpression(props));
props = [];
}
if (t.isSpreadElement(path.node.properties[0])) {
args.push(t.objectExpression([]));
}
for (const prop of (path.node.properties: Array)) {
if (t.isSpreadElement(prop)) {
push();
@ -449,13 +444,15 @@ export default declare((api, opts) => {
}
}
push();
if (props.length) {
push();
}
let helper;
if (loose) {
helper = getExtendsHelper(file);
} else {
helper = file.addHelper("objectSpread");
helper = file.addHelper("objectSpread2");
}
path.replaceWith(t.callExpression(helper, args));

2
packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/assignment/output.js vendored
View File

@ -1,4 +1,4 @@
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { if (i % 2) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } else { Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i])); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

8
packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/exec.js vendored Normal file
View File

@ -0,0 +1,8 @@
var log = [];
var a = {
...{ get foo() { log.push(1); } },
get bar() { log.push(2); }
};
expect(log).toEqual([1]);

2
packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/input.js vendored
View File

@ -4,4 +4,6 @@
({ ...{ foo: 'bar' } });
({ ...{ foo: 'bar' }, ...{ bar: 'baz' } });
({ ...{ get foo () { return 'foo' } } });

8
packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/expression/output.js vendored
View File

@ -1,4 +1,4 @@
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { if (i % 2) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } else { Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i])); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
@ -16,6 +16,12 @@ _objectSpread({}, {
foo: 'bar'
});
_objectSpread({}, {
foo: 'bar'
}, {}, {
bar: 'baz'
});
_objectSpread({}, {
get foo() {
return 'foo';

2
packages/babel-plugin-proposal-object-rest-spread/test/fixtures/object-spread/variable-declaration/output.js vendored
View File

@ -1,4 +1,4 @@
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { if (i % 2) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } else { Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i])); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

2
packages/babel-preset-env/test/fixtures/corejs2/entry-shippedProposals/output.js vendored
View File

@ -296,7 +296,7 @@ require("core-js/modules/web.dom.iterable");
require("regenerator-runtime/runtime");
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { if (i % 2) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } else { Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i])); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

6
packages/babel-preset-env/test/fixtures/corejs2/usage-shippedProposals/output.js vendored
View File

@ -1,5 +1,9 @@
"use strict";
require("core-js/modules/es7.object.get-own-property-descriptors");
require("core-js/modules/es6.object.define-properties");
require("core-js/modules/es6.array.for-each");
require("core-js/modules/es6.array.filter");
@ -24,7 +28,7 @@ require("core-js/modules/es6.promise");
require("core-js/modules/es6.object.to-string");
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { if (i % 2) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } else { Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i])); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

2
packages/babel-preset-env/test/fixtures/preset-options/shippedProposals/output.js vendored
View File

@ -1,4 +1,4 @@
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { if (i % 2) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } else { Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i])); } } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }