20 lines
846 B
JavaScript
20 lines
846 B
JavaScript
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import { format } from "../util";
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var pattern = function pattern(rule, value, source, errors, options) {
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if (rule.pattern) {
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if (rule.pattern instanceof RegExp) {
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// if a RegExp instance is passed, reset `lastIndex` in case its `global`
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// flag is accidentally set to `true`, which in a validation scenario
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// is not necessary and the result might be misleading
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rule.pattern.lastIndex = 0;
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if (!rule.pattern.test(value)) {
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errors.push(format(options.messages.pattern.mismatch, rule.fullField, value, rule.pattern));
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}
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} else if (typeof rule.pattern === 'string') {
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var _pattern = new RegExp(rule.pattern);
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if (!_pattern.test(value)) {
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errors.push(format(options.messages.pattern.mismatch, rule.fullField, value, rule.pattern));
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}
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}
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}
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};
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export default pattern;
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