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Refactors
Error.cause into _InstallErrorCause
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| dependencies = [ | ||
| "_ESAbstract.CreateMethodProperty", | ||
| "_ESAbstract.CreateNonEnumerableDataPropertyOrThrow", | ||
| "_ESAbstract.Get", | ||
| "_ESAbstract.HasProperty", | ||
| "_ESAbstract.Type", | ||
| "Object.setPrototypeOf", | ||
| ] | ||
| spec = "https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-installerrorcause" | ||
| docs = "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/cause" | ||
|
|
||
| [browsers] | ||
| android = "*" | ||
| bb = "*" | ||
| chrome = "*" | ||
| edge = "*" | ||
| edge_mob = "*" | ||
| firefox = "*" | ||
| firefox_mob = "*" | ||
| ie = "*" | ||
| ie_mob = "*" | ||
| opera = "*" | ||
| op_mob = "*" | ||
| op_mini = "*" | ||
| safari = "*" | ||
| ios_saf = "*" | ||
| samsung_mob = "*" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| /* global CreateMethodProperty, CreateNonEnumerableDataPropertyOrThrow, Get, HasProperty, Type */ | ||
|
|
||
| // eslint-disable-next-line no-unused-vars | ||
| var _GetErrorConstructorWithCauseInstalled; | ||
|
|
||
| (function () { | ||
| // 20.5.8.1 InstallErrorCause ( O, options ) | ||
| function InstallErrorCause(O, options) { | ||
| // 1. If options is an Object and ? HasProperty(options, "cause") is true, then | ||
| if (Type(options) === 'object' && HasProperty(options, 'cause')) { | ||
| // a. Let cause be ? Get(options, "cause"). | ||
| var cause = Get(options, 'cause'); | ||
| // b. Perform CreateNonEnumerableDataPropertyOrThrow(O, "cause", cause). | ||
| CreateNonEnumerableDataPropertyOrThrow(O, 'cause', cause); | ||
| } | ||
| // 2. Return unused. | ||
| } | ||
|
|
||
| // based on https://github.com/es-shims/error-cause/blob/de17ea05/Error/implementation.js#L12-L20 | ||
| function _makeErrorConstructor (name, _Error) { | ||
| var _NativeError = _nativeErrors[name]; | ||
| var arity = _Error.length; | ||
| return function () { | ||
| var O = arity === 2 | ||
| ? _NativeError.call(null, arguments[0], arguments[1]) | ||
| : _NativeError.call(null, arguments[0]); | ||
| InstallErrorCause(O, arguments.length > arity && arguments[arity]); | ||
| CreateMethodProperty(O, 'constructor', _Error); | ||
| return O; | ||
| } | ||
| } | ||
|
|
||
| // based on https://github.com/es-shims/error-cause/blob/de17ea05/Error/implementation.js#L22-L29 | ||
| function _inheritErrorPrototype (name, _Error) { | ||
| Object.setPrototypeOf(_Error, self.Error); | ||
| _Error.prototype = _nativeErrors[name].prototype; | ||
| Object.defineProperty(_Error, 'prototype', { writable: false }); | ||
| return _Error; | ||
| } | ||
|
|
||
| var _newErrors = { | ||
| Error: function Error (_message) { return _errorConstructors.Error.apply(null, arguments); }, | ||
| EvalError: function EvalError (_message) { return _errorConstructors.EvalError.apply(null, arguments); }, | ||
| RangeError: function RangeError (_message) { return _errorConstructors.RangeError.apply(null, arguments); }, | ||
| ReferenceError: function ReferenceError (_message) { return _errorConstructors.ReferenceError.apply(null, arguments); }, | ||
| SyntaxError: function SyntaxError (_message) { return _errorConstructors.SyntaxError.apply(null, arguments); }, | ||
| TypeError: function TypeError (_message) { return _errorConstructors.TypeError.apply(null, arguments); }, | ||
| URIError: function URIError (_message) { return _errorConstructors.URIError.apply(null, arguments); }, | ||
| AggregateError: function AggregateError (_errors, _message) { return _errorConstructors.AggregateError.apply(null, arguments); } | ||
| }; | ||
|
|
||
| var _nativeErrors = {}; | ||
| var _errorConstructors = {}; | ||
|
|
||
| _GetErrorConstructorWithCauseInstalled = function (name) { | ||
| _nativeErrors[name] = self[name]; | ||
| _errorConstructors[name] = _makeErrorConstructor(name, _newErrors[name]); | ||
| if (name !== 'Error') { | ||
| _inheritErrorPrototype(name, _newErrors[name]); | ||
| } | ||
| return _newErrors[name]; | ||
| } | ||
| })(); |