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refactor: strong type for getFormHelpers name (#1029)

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G r e y
2022-04-15 16:31:23 -04:00
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parent 104a3c6b9c
commit cf8a20d6f6
1 changed files with 7 additions and 2 deletions
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9
site/src/components/Form/index.ts
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@ -17,8 +17,13 @@ interface FormHelpers {
helperText?: string
}
export const getFormHelpers = <T>(form: FormikContextType<T>, name: string, error?: string): FormHelpers => {
// getIn is a util function from Formik that gets at any depth of nesting, and is necessary for the types to work
export const getFormHelpers = <T>(form: FormikContextType<T>, name: keyof T, error?: string): FormHelpers => {
if (typeof name !== "string") {
throw new Error(`name must be type of string, instead received '${typeof name}'`)
}
// getIn is a util function from Formik that gets at any depth of nesting
// and is necessary for the types to work
const touched = getIn(form.touched, name)
const errors = error ?? getIn(form.errors, name)
return {