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fix(utils): make isFormData detection logic stricter to avoid unnecessary calling of the toString method on the target; (#5661)

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Dmitriy Mozgovoy
2023-04-19 20:14:32 +03:00
committed by GitHub
parent 0abc705647
commit aa372f7306
2 changed files with 40 additions and 5 deletions
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lib/utils.js
+9 -5
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@@ -188,12 +188,16 @@ const isStream = (val) => isObject(val) && isFunction(val.pipe);
* @returns {boolean} True if value is an FormData, otherwise false
*/
const isFormData = (thing) => {
const pattern = '[object FormData]';
let kind;
return thing && (
(typeof FormData === 'function' && thing instanceof FormData) ||
toString.call(thing) === pattern ||
(isFunction(thing.toString) && thing.toString() === pattern)
);
(typeof FormData === 'function' && thing instanceof FormData) || (
isFunction(thing.append) && (
(kind = kindOf(thing)) === 'formdata' ||
// detect form-data instance
(kind === 'object' && isFunction(thing.toString) && thing.toString() === '[object FormData]')
)
)
)
}
/**