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Ducktype in _.isError for ES6 support.

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This commit is contained in:
John-David Dalton
2016-02-18 21:52:53 -08:00
parent e380062403
commit 49389d0a2f
2 changed files with 4 additions and 3 deletions
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3
lodash.js
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@@ -9871,9 +9871,8 @@
if (!isObjectLike(value)) { if (!isObjectLike(value)) {
return false; return false;
} }
var Ctor = value.constructor;
return (objectToString.call(value) == errorTag) || return (objectToString.call(value) == errorTag) ||
(typeof Ctor == 'function' && objectToString.call(Ctor.prototype) == errorTag); (typeof value.message == 'string' && typeof value.name == 'string');
} }
/** /**

4
test/test.js
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@@ -364,7 +364,9 @@
this.message = message; this.message = message;
} }
CustomError.prototype = lodashStable.create(Error.prototype); CustomError.prototype = lodashStable.create(Error.prototype, {
'constructor': CustomError
});
/** /**
* Removes all own enumerable properties from a given object. * Removes all own enumerable properties from a given object.