chrono-node
Version:
A natural language date parser in Javascript
42 lines • 1.77 kB
JavaScript
import { Meridiem } from "../../../types.js";
import { AbstractParserWithWordBoundaryChecking } from "../../../common/parsers/AbstractParserWithWordBoundary.js";
import { assignSimilarDate, implySimilarTime } from "../../../utils/dates.js";
export default class PTCasualTimeParser extends AbstractParserWithWordBoundaryChecking {
innerPattern() {
return /(?:esta\s*)?(manha|manhã|tarde|meia-noite|meio-dia|noite)(?=\W|$)/i;
}
innerExtract(context, match) {
const targetDate = context.refDate;
const component = context.createParsingComponents();
switch (match[1].toLowerCase()) {
case "tarde":
component.imply("meridiem", Meridiem.PM);
component.imply("hour", 15);
break;
case "noite":
component.imply("meridiem", Meridiem.PM);
component.imply("hour", 22);
break;
case "manha":
case "manhã":
component.imply("meridiem", Meridiem.AM);
component.imply("hour", 6);
break;
case "meia-noite":
const nextDay = new Date(targetDate.getTime());
nextDay.setDate(nextDay.getDate() + 1);
assignSimilarDate(component, nextDay);
implySimilarTime(component, nextDay);
component.imply("hour", 0);
component.imply("minute", 0);
component.imply("second", 0);
break;
case "meio-dia":
component.imply("meridiem", Meridiem.AM);
component.imply("hour", 12);
break;
}
return component;
}
}
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