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Wrap wrapNativeSuper helpers in redefining functions for better tree-shakeability (#7188)

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Mateusz Burzyński 2018-03-14 23:48:33 +01:00 committed by GitHub
parent d682e32529
commit 586d3b5929
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 59 additions and 54 deletions
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83
packages/babel-helpers/src/helpers.js
View File

@ -445,46 +445,57 @@ helpers.inheritsLoose = () => template.program.ast`
// Based on https://github.com/WebReflection/babel-plugin-transform-builtin-classes
helpers.wrapNativeSuper = () => template.program.ast`
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 = (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() : undefined;
function _gPO(o) {
_gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__ };
return _gPO(o);
}
function _sPO(o, p) {
_sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o };
return _sPO(o, p);
}
function _construct(Parent, args, Class) {
_construct = (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);
};
return _construct(Parent, args, Class);
}
export default function _wrapNativeSuper(Class) {
if (typeof Class !== "function") {
throw new TypeError("Super expression must either be null or a function");
}
var _cache = typeof Map === "function" ? new Map() : undefined;
if (typeof _cache !== "undefined") {
if (_cache.has(Class)) return _cache.get(Class);
_cache.set(Class, Wrapper);
}
function Wrapper() {}
Wrapper.prototype = Object.create(Class.prototype, {
constructor: {
value: Wrapper,
enumerable: false,
writable: true,
configurable: true,
_wrapNativeSuper = function _wrapNativeSuper(Class) {
if (typeof Class !== "function") {
throw new TypeError("Super expression must either be null or a function");
}
});
return _sPO(
Wrapper,
_sPO(
function Super() {
return _construct(Class, arguments, _gPO(this).constructor);
},
Class
)
);
if (typeof _cache !== "undefined") {
if (_cache.has(Class)) return _cache.get(Class);
_cache.set(Class, Wrapper);
}
function Wrapper() {}
Wrapper.prototype = Object.create(Class.prototype, {
constructor: {
value: Wrapper,
enumerable: false,
writable: true,
configurable: true,
}
});
return _sPO(
Wrapper,
_sPO(
function Super() {
return _construct(Class, arguments, _gPO(this).constructor);
},
Class
)
);
}
return _wrapNativeSuper(Class)
}
`;

10
packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js vendored
View File

@ -1,14 +1,12 @@
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }
var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; };
function _gPO(o) { _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; }; return _gPO(o); }
var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; };
function _sPO(o, p) { _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; }; return _sPO(o, p); }
var _construct = 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); };
function _construct(Parent, args, Class) { _construct = 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); }; return _construct(Parent, args, Class); }
var _cache = typeof Map === "function" ? new Map() : undefined;
function _wrapNativeSuper(Class) { 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() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { 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() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }; return _wrapNativeSuper(Class); }
var List =
/*#__PURE__*/

10
packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js vendored
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@ -6,15 +6,13 @@ function _assertThisInitialized(self) { if (self === void 0) { throw new Referen
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; };
function _gPO(o) { _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; }; return _gPO(o); }
var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; };
function _sPO(o, p) { _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; }; return _sPO(o, p); }
var _construct = 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); };
function _construct(Parent, args, Class) { _construct = 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); }; return _construct(Parent, args, Class); }
var _cache = typeof Map === "function" ? new Map() : undefined;
function _wrapNativeSuper(Class) { 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() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { 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() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }; return _wrapNativeSuper(Class); }
var List =
/*#__PURE__*/

10
packages/babel-preset-env/test/fixtures/plugins-integration/issue-7527/output.js vendored
View File

@ -10,15 +10,13 @@ function _assertThisInitialized(self) { if (self === void 0) { throw new Referen
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; };
function _gPO(o) { _gPO = Object.getPrototypeOf || function _gPO(o) { return o.__proto__; }; return _gPO(o); }
var _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; };
function _sPO(o, p) { _sPO = Object.setPrototypeOf || function _sPO(o, p) { o.__proto__ = p; return o; }; return _sPO(o, p); }
var _construct = (typeof Reflect === "undefined" ? "undefined" : _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); };
function _construct(Parent, args, Class) { _construct = (typeof Reflect === "undefined" ? "undefined" : _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); }; return _construct(Parent, args, Class); }
var _cache = typeof Map === "function" ? new Map() : undefined;
function _wrapNativeSuper(Class) { 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() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }
function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { 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() {} Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _sPO(Wrapper, _sPO(function Super() { return _construct(Class, arguments, _gPO(this).constructor); }, Class)); }; return _wrapNativeSuper(Class); }
var MyDate =
/*#__PURE__*/