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Revert D7097279: BREAKING CHANGE: UPGRADE REACT NATIVE TO BABEL 7! 

Differential Revision:
D7097279

Original commit changeset: 9fb204cae733

fbshipit-source-id: bbbb20b5dbed5dc01ae5557686a07d987b9a6cc6
This commit is contained in:
Matt Mahoney 2018-04-11 08:12:44 -07:00 коммит произвёл Facebook Github Bot
Родитель ebd12fa09f
Коммит c9a6b8560f
3 изменённых файлов: 112 добавлений и 233 удалений
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220
Libraries/polyfills/babelHelpers.js
Просмотреть файл

@ -12,15 +12,19 @@
/* eslint-disable quotes, curly, no-proto, no-undef-init, dot-notation */
// Created by running:
// require('fs').writeFileSync('babelExternalHelpers.js', require('@babel/core').buildExternalHelpers('_extends classCallCheck createClass createRawReactElement defineProperty get inherits interopRequireDefault interopRequireWildcard objectWithoutProperties possibleConstructorReturn slicedToArray taggedTemplateLiteral toArray toConsumableArray wrapNativeSuper assertThisInitialized taggedTemplateLiteralLoose'.split(' ')))// then replacing the `global` reference in the last line to also use `this`.
// require('babel-core').buildExternalHelpers('_extends classCallCheck createClass createRawReactElement defineProperty get inherits interopRequireDefault interopRequireWildcard objectWithoutProperties possibleConstructorReturn slicedToArray taggedTemplateLiteral toArray toConsumableArray '.split(' '))
// then replacing the `global` reference in the last line to also use `this`.
//
// Actually, that's a lie, because babel omits _extends and
// createRawReactElement. the file is also cleaned up a bit.
// You may need to clear wrapNativeSuper while the bug hasn't been fixed yet.
// Do try to keep diffs to a minimum.
// actually, that's a lie, because babel6 omits _extends and createRawReactElement
var babelHelpers = global.babelHelpers = {};
babelHelpers.typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};
babelHelpers.createRawReactElement = (function () {
var REACT_ELEMENT_TYPE = typeof Symbol === "function" && Symbol.for && Symbol.for("react.element") || 0xeac7;
return function createRawReactElement(type, key, props) {
@ -41,20 +45,32 @@ babelHelpers.classCallCheck = function (instance, Constructor) {
}
};
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
babelHelpers.createClass = (function () {
function defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
}
babelHelpers.createClass = function(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
return Constructor;
return function (Constructor, protoProps, staticProps) {
if (protoProps) defineProperties(Constructor.prototype, protoProps);
if (staticProps) defineProperties(Constructor, staticProps);
return Constructor;
};
})();
babelHelpers.defineEnumerableProperties = function(obj, descs) {
for (var key in descs) {
var desc = descs[key];
desc.configurable = (desc.enumerable = true);
if ('value' in desc) desc.writable = true;
Object.defineProperty(obj, key, desc);
}
return obj;
};
babelHelpers.defineProperty = function (obj, key, value) {
@ -113,8 +129,9 @@ babelHelpers.get = function get(object, property, receiver) {
babelHelpers.inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
@ -126,54 +143,6 @@ babelHelpers.inherits = function (subClass, superClass) {
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__ };
var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o };
var _construct =
// TODO: prepack does not like this line (and we can use the fallback just fine)
// (typeof Reflect === "object" && Reflect.construct) ||
function _construct(Parent, args, Class) {
var Constructor, a = [null];
a.push.apply(a, args);
Constructor = Parent.bind.apply(Parent, a);
return _sPO(new Constructor, Class.prototype);
};
var _cache = typeof Map === "function" && new Map();
babelHelpers.wrapNativeSuper = function(Class) {
// FB:
// Note: while extending native classes is pretty meh we do have cases, for
// example; Error. There is also a false positive, for example; Blob.
if (typeof Class !== "function") {
throw new TypeError("Super expression must either be null or a function");
}
if (typeof _cache !== "undefined") {
if (_cache.has(Class)) return _cache.get(Class);
_cache.set(Class, Wrapper);
}
function Wrapper() {
// this is a temporary fix for a babel bug (it's invoking the wrong func
// when you do `super()`)
return _construct(Class, arguments, _gPO(this).constructor);
}
Wrapper.prototype = Object.create(Class.prototype, {
constructor: {
value: Wrapper,
enumerable: false,
writeable: true,
configurable: true,
}
});
return _sPO(
Wrapper,
_sPO(
function Super() {
return _construct(Class, arguments, _gPO(this).constructor);
},
Class
)
);
};
babelHelpers.interopRequireDefault = function (obj) {
return obj && obj.__esModule ? obj : {
default: obj
@ -188,15 +157,7 @@ babelHelpers.interopRequireWildcard = function (obj) {
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];
}
}
if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
}
}
@ -205,79 +166,63 @@ babelHelpers.interopRequireWildcard = function (obj) {
}
};
babelHelpers.objectWithoutProperties = function(source, excluded) {
if (source == null) return {};
babelHelpers.objectWithoutProperties = function (obj, keys) {
var target = {};
var sourceKeys = Object.keys(source);
var key, i;
for (i = 0; i < sourceKeys.length; i++) {
key = sourceKeys[i];
if (excluded.indexOf(key) >= 0) continue;
target[key] = source[key];
}
if (Object.getOwnPropertySymbols) {
var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
for (i = 0; i < sourceSymbolKeys.length; i++) {
key = sourceSymbolKeys[i];
if (excluded.indexOf(key) >= 0) continue;
if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
target[key] = source[key];
}
for (var i in obj) {
if (keys.indexOf(i) >= 0) continue;
if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
target[i] = obj[i];
}
return target;
};
babelHelpers.possibleConstructorReturn = function (self, call) {
if (call && (typeof call === "object" || typeof call === "function")) {
return call;
}
if (self === void 0) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
function _sliceIterator(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
babelHelpers.slicedToArray = (function () {
function sliceIterator(arr, i) {
var _arr = [];
var _n = true;
var _d = false;
var _e = undefined;
try {
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
try {
if (!_n && _i["return"] != null) _i["return"]();
for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally {
if (_d) throw _e;
try {
if (!_n && _i["return"]) _i["return"]();
} finally {
if (_d) throw _e;
}
}
return _arr;
}
return _arr;
}
babelHelpers.slicedToArray = function(arr, i) {
if (Array.isArray(arr)) {
return arr;
} else if (Symbol.iterator in Object(arr)) {
return _sliceIterator(arr, i);
} else {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
};
return function (arr, i) {
if (Array.isArray(arr)) {
return arr;
} else if (Symbol.iterator in Object(arr)) {
return sliceIterator(arr, i);
} else {
throw new TypeError("Invalid attempt to destructure non-iterable instance");
}
};
})();
babelHelpers.taggedTemplateLiteral = function (strings, raw) {
return Object.freeze(Object.defineProperties(strings, {
@ -293,25 +238,10 @@ babelHelpers.toArray = function (arr) {
babelHelpers.toConsumableArray = function (arr) {
if (Array.isArray(arr)) {
for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
return arr2;
} else {
return Array.from(arr);
}
};
babelHelpers.assertThisInitialized = function(self) {
if (self === void 0) {
throw new ReferenceError(
"this hasn't been initialised - super() hasn't been called",
);
}
return self;
};
babelHelpers.taggedTemplateLiteralLoose = function(strings, raw) {
strings.raw = raw;
return strings;
};

78
babel-preset/configs/main.js
Просмотреть файл

@ -8,55 +8,37 @@
'use strict';
const defaultPlugins = [
[require('@babel/plugin-transform-block-scoping')],
// the flow strip types plugin must go BEFORE class properties!
// there'll be a test case that fails if you don't.
[require('@babel/plugin-transform-flow-strip-types')],
[require('babel-plugin-syntax-class-properties')],
[require('babel-plugin-syntax-trailing-function-commas')],
[require('babel-plugin-transform-class-properties')],
[require('babel-plugin-transform-es2015-block-scoping')],
[require('babel-plugin-transform-es2015-computed-properties')],
[require('babel-plugin-transform-es2015-destructuring')],
[require('babel-plugin-transform-es2015-function-name')],
[require('babel-plugin-transform-es2015-literals')],
[require('babel-plugin-transform-es2015-parameters')],
[require('babel-plugin-transform-es2015-shorthand-properties')],
[require('babel-plugin-transform-flow-strip-types')],
[require('babel-plugin-transform-react-jsx')],
[require('babel-plugin-transform-regenerator')],
[
require('@babel/plugin-proposal-class-properties'),
// use `this.foo = bar` instead of `this.defineProperty('foo', ...)`
// (Makes the properties enumerable)
{loose: true},
],
[require('@babel/plugin-transform-computed-properties')],
[require('@babel/plugin-transform-destructuring')],
[require('@babel/plugin-transform-function-name')],
[require('@babel/plugin-transform-literals')],
[require('@babel/plugin-transform-parameters')],
[require('@babel/plugin-transform-shorthand-properties')],
[require('@babel/plugin-transform-react-jsx')],
[require('@babel/plugin-transform-regenerator')],
[require('@babel/plugin-transform-sticky-regex')],
[require('@babel/plugin-transform-unicode-regex')],
[
require('@babel/plugin-transform-modules-commonjs'),
{
strict: false,
strictMode : false, // prevent "use strict" injections
allowTopLevelThis: true, // dont rewrite global `this` -> `undefined`
},
require('babel-plugin-transform-es2015-modules-commonjs'),
{strict: false, allowTopLevelThis: true},
],
];
const es2015ArrowFunctions = [
require('@babel/plugin-transform-arrow-functions'),
];
const es2015Classes = [require('@babel/plugin-transform-classes')];
const es2015ForOf = [require('@babel/plugin-transform-for-of'), {loose: true}];
const es2015Spread = [require('@babel/plugin-transform-spread')];
const es2015TemplateLiterals = [
require('@babel/plugin-transform-template-literals'),
{loose: true}, // dont 'a'.concat('b'), just use 'a'+'b'
];
const exponentiationOperator = [
require('@babel/plugin-transform-exponentiation-operator'),
];
const objectAssign = [require('@babel/plugin-transform-object-assign')];
const objectRestSpread = [require('@babel/plugin-proposal-object-rest-spread')];
const reactDisplayName = [
require('@babel/plugin-transform-react-display-name'),
];
const reactJsxSource = [require('@babel/plugin-transform-react-jsx-source')];
const checkES2015Constants = [require('babel-plugin-check-es2015-constants')];
const es2015ArrowFunctions = [require('babel-plugin-transform-es2015-arrow-functions')];
const es2015Classes = [require('babel-plugin-transform-es2015-classes')];
const es2015ForOf = [require('babel-plugin-transform-es2015-for-of'), {loose: true}];
const es2015Spread = [require('babel-plugin-transform-es2015-spread')];
const es2015TemplateLiterals = [require('babel-plugin-transform-es2015-template-literals')];
const asyncFunctions = [require('babel-plugin-syntax-async-functions')];
const exponentiationOperator = [require('babel-plugin-transform-exponentiation-operator')];
const objectAssign = [require('babel-plugin-transform-object-assign')];
const objectRestSpread = [require('babel-plugin-transform-object-rest-spread')];
const reactDisplayName = [require('babel-plugin-transform-react-display-name')];
const reactJsxSource = [require('babel-plugin-transform-react-jsx-source')];
const symbolMember = [require('../transforms/transform-symbol-member')];
const getPreset = (src, options) => {
@ -67,12 +49,18 @@ const getPreset = (src, options) => {
const extraPlugins = [];
if (isNull || src.indexOf('async') !== -1 || src.indexOf('await') !== -1) {
extraPlugins.push(asyncFunctions);
}
if (hasClass) {
extraPlugins.push(es2015Classes);
}
if (isNull || src.indexOf('=>') !== -1) {
extraPlugins.push(es2015ArrowFunctions);
}
if (isNull || src.indexOf('const') !== -1) {
extraPlugins.push(checkES2015Constants);
}
if (isNull || hasClass || src.indexOf('...') !== -1) {
extraPlugins.push(es2015Spread);
extraPlugins.push(objectRestSpread);

47
jest/preprocessor.js
Просмотреть файл

@ -11,7 +11,7 @@
'use strict';
const {transformSync: babelTransformSync} = require('@babel/core');
const babel = require('babel-core');
/* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
@ -20,7 +20,7 @@ const babelRegisterOnly = require('metro/src/babelRegisterOnly');
* found when Flow v0.54 was deployed. To see the error delete this comment and
* run Flow. */
const createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');
const generate = require('@babel/generator').default;
const generate = require('babel-generator').default;
const nodeFiles = RegExp([
'/local-cli/',
@ -35,7 +35,7 @@ const transformer = require('metro/src/transformer.js');
module.exports = {
process(src/*: string*/, file/*: string*/) {
if (nodeFiles.test(file)) { // node specific transforms only
return babelTransformSync(
return babel.transform(
src,
Object.assign({filename: file}, nodeOptions)
).code;
@ -54,45 +54,6 @@ module.exports = {
retainLines: true,
},
src,
plugins: [
[require('@babel/plugin-transform-block-scoping')],
// the flow strip types plugin must go BEFORE class properties!
// there'll be a test case that fails if you don't.
[require('@babel/plugin-transform-flow-strip-types')],
[
require('@babel/plugin-proposal-class-properties'),
// use `this.foo = bar` instead of `this.defineProperty('foo', ...)`
// (Makes the properties enumerable)
{loose: true},
],
[require('@babel/plugin-transform-computed-properties')],
[require('@babel/plugin-transform-destructuring')],
[require('@babel/plugin-transform-function-name')],
[require('@babel/plugin-transform-literals')],
[require('@babel/plugin-transform-parameters')],
[require('@babel/plugin-transform-shorthand-properties')],
[require('@babel/plugin-transform-react-jsx')],
[require('@babel/plugin-transform-regenerator')],
[require('@babel/plugin-transform-sticky-regex')],
[require('@babel/plugin-transform-unicode-regex')],
[
require('@babel/plugin-transform-modules-commonjs'),
{strict: false, allowTopLevelThis: true},
],
[require('@babel/plugin-transform-classes')],
[require('@babel/plugin-transform-arrow-functions')],
[require('@babel/plugin-transform-spread')],
[require('@babel/plugin-proposal-object-rest-spread')],
[
require('@babel/plugin-transform-template-literals'),
{loose: true}, // dont 'a'.concat('b'), just use 'a'+'b'
],
[require('@babel/plugin-transform-exponentiation-operator')],
[require('@babel/plugin-transform-object-assign')],
[require('@babel/plugin-transform-for-of'), {loose: true}],
[require('@babel/plugin-transform-react-display-name')],
[require('@babel/plugin-transform-react-jsx-source')],
],
});
return generate(ast, {
@ -109,6 +70,6 @@ module.exports = {
getCacheKey: createCacheKeyFunction([
__filename,
require.resolve('metro/src/transformer.js'),
require.resolve('@babel/core/package.json'),
require.resolve('babel-core/package.json'),
]),
};