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kino6052/formik-is-pristine.ts

Created November 20, 2020 19:19
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Formik isPristine
Raw
formik-is-pristine.ts
const isPristine = (
fieldName: string | string[],
touched: FormikTouched<FormikValues>
) =>
[fieldName]
.flatMap((fieldName) => fieldName)
.every((fieldName) => !touched[fieldName]);
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