33 lines
923 B
TypeScript
33 lines
923 B
TypeScript
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/**
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* This is a simplified logic.
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* Consider using `import isEmail from 'validator/lib/isEmail'` from
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* https://github.com/validatorjs/validator.js/blob/7376945b4ce028b65955ae57b8fccbbf3fe58467/src/lib/isEmail.js
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* for a more robust version.
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*/
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function isEmail(string: string) {
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const re =
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/^(([^<>()[\].,;:\s@"]+(\.[^<>()[\].,;:\s@"]+)*)|(".+"))@(([^<>()[\].,;:\s@"]+\.)+[^<>()[\].,;:\s@"]{2,})$/i;
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return re.test(string);
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}
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export function email(value: string) {
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return value && !isEmail(value.trim()) ? 'Invalid email' : null;
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}
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function isDirty(value: string | number) {
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return value || value === 0;
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}
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export function required(
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requiredFields: readonly string[],
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values: Record<string, string>,
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): Record<string, string> {
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return requiredFields.reduce(
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(fields, field) => ({
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...fields,
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...(isDirty(values[field]) ? undefined : { [field]: 'Required' }),
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}),
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{},
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);
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}
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