54 lines
1.8 KiB
JavaScript
54 lines
1.8 KiB
JavaScript
const validatePattern = require('./pattern-validation');
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const convertExpression = require('./convert-expression');
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function matchPattern(pattern, value){
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if( pattern.indexOf(',') !== -1 ){
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const patterns = pattern.split(',');
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return patterns.indexOf(value.toString()) !== -1;
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}
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return pattern === value.toString();
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}
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class TimeMatcher{
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constructor(pattern, timezone){
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validatePattern(pattern);
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this.pattern = convertExpression(pattern);
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this.timezone = timezone;
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this.expressions = this.pattern.split(' ');
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}
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match(date){
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date = this.apply(date);
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const runOnSecond = matchPattern(this.expressions[0], date.getSeconds());
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const runOnMinute = matchPattern(this.expressions[1], date.getMinutes());
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const runOnHour = matchPattern(this.expressions[2], date.getHours());
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const runOnDay = matchPattern(this.expressions[3], date.getDate());
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const runOnMonth = matchPattern(this.expressions[4], date.getMonth() + 1);
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const runOnWeekDay = matchPattern(this.expressions[5], date.getDay());
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return runOnSecond && runOnMinute && runOnHour && runOnDay && runOnMonth && runOnWeekDay;
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}
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apply(date){
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if(this.timezone){
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const dtf = new Intl.DateTimeFormat('en-US', {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit',
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second: '2-digit',
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hourCycle: 'h23',
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fractionalSecondDigits: 3,
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timeZone: this.timezone
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});
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return new Date(dtf.format(date));
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}
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return date;
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}
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}
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module.exports = TimeMatcher; |