42 lines
1.6 KiB
JavaScript
42 lines
1.6 KiB
JavaScript
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'use strict';
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exports.__esModule = true;
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var _util = require('../util');
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var util = _interopRequireWildcard(_util);
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }
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/**
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* Rule for validating a regular expression pattern.
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*
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* @param rule The validation rule.
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* @param value The value of the field on the source object.
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* @param source The source object being validated.
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* @param errors An array of errors that this rule may add
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* validation errors to.
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* @param options The validation options.
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* @param options.messages The validation messages.
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*/
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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(util.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(util.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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exports['default'] = pattern;
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module.exports = exports['default'];
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