import { isDefined, isEmptyString } from "../../../utils/helpers";
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import "./Validation.scss";
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export const required = (fieldName, value) => {
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if (!isDefined(value) || isEmptyString(value)) {
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return `${fieldName} is required`;
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}
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};
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export const matchPattern = (pattern) => (fieldName, value) => {
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pattern = typeof pattern === "string" ? new RegExp(pattern) : pattern;
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if (!isEmptyString(value) && value.match(pattern) === null) {
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return `${fieldName} must match the pattern ${pattern}`;
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}
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};
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export const json = (fieldName, value) => {
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const err = `${fieldName} must be valid JSON string`;
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if (!isDefined(value) || value.trim().length === 0) return;
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if (/^(\{|\[)/.test(value) === false || /(\}|\])$/.test(value) === false) {
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return err;
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}
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try {
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JSON.parse(value);
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} catch (e) {
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return err;
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}
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};
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export const regexp = (fieldName, value) => {
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try {
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new RegExp(value);
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} catch (err) {
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return `${fieldName} must be a valid regular expression`;
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}
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};
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