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/*
Date format with slash "/" between numbers like ENSlashDateFormatParser,
but this parser expect year before month and date.
- YYYY/MM/DD
- YYYY-MM-DD
- YYYY.MM.DD
*/
var moment = require('moment');
var Parser = require('../parser').Parser;
var ParsedResult = require('../../result').ParsedResult;
var util = require('../../utils/EN');
var PATTERN = new RegExp('(\\W|^)'
+ '([0-9]{4})[\\-\\.\\/]'
+ '((?:' + util.MONTH_PATTERN + '|[0-9]{1,2}))[\\-\\.\\/]'
+ '([0-9]{1,2})'
+ '(?=\\W|$)', 'i');
var YEAR_NUMBER_GROUP = 2;
var MONTH_NUMBER_GROUP = 3;
var DATE_NUMBER_GROUP = 4;
exports.Parser = function ENSlashDateFormatStartWithYearParser(){
Parser.apply(this, arguments);
this.pattern = function() { return PATTERN; }
this.extract = function(text, ref, match, opt){
var text = match[0].substr(match[1].length);
var index = match.index + match[1].length;
var result = new ParsedResult({
text: text,
index: index,
ref: ref,
})
var month = match[MONTH_NUMBER_GROUP].toLowerCase();
month = util.MONTH_OFFSET[month] | month;
result.start.assign('year', parseInt(match[YEAR_NUMBER_GROUP]));
result.start.assign('month', parseInt(month));
result.start.assign('day', parseInt(match[DATE_NUMBER_GROUP]));
if (moment(result.start.get('month')) > 12 || moment(result.start.get('month')) < 1 ||
moment(result.start.get('day')) > 31 || moment(result.start.get('day')) < 1) {
return null;
}
result.tags['ENDateFormatParser'] = true;
return result;
};
}
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