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time-matcher.js
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time-matcher.js
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const validatePattern = require('./pattern-validation');
const convertExpression = require('./convert-expression');
const tzOffset = require('tz-offset');
function matchPattern(pattern, value){
if( pattern.indexOf(',') !== -1 ){
var patterns = pattern.split(',');
return patterns.indexOf(value.toString()) !== -1;
}
return pattern === value.toString();
}
class TimeMatcher{
constructor(pattern, timezone){
validatePattern(pattern);
this.pattern = convertExpression(pattern);
this.timezone = timezone;
this.expressions = this.pattern.split(' ');
}
match(date){
if(this.timezone){
date = tzOffset.timeAt(date, this.timezone);
}
var runOnSecond = matchPattern(this.expressions[0], date.getSeconds());
var runOnMinute = matchPattern(this.expressions[1], date.getMinutes());
var runOnHour = matchPattern(this.expressions[2], date.getHours());
var runOnDay = matchPattern(this.expressions[3], date.getDate());
var runOnMonth = matchPattern(this.expressions[4], date.getMonth() + 1);
var runOnWeekDay = matchPattern(this.expressions[5], date.getDay());
return runOnSecond && runOnMinute && runOnHour && runOnDay && runOnMonth && runOnWeekDay;
}
}
module.exports = TimeMatcher;