chrono-node
Version:
A natural language date parser in Javascript
48 lines • 2.13 kB
JavaScript
import { Meridiem } from "../../../index.js";
import { AbstractParserWithWordBoundaryChecking } from "../../../common/parsers/AbstractParserWithWordBoundary.js";
import { assignSimilarDate, implySimilarTime } from "../../../utils/dates.js";
const PATTERN = /(?:questo|questa)?\s{0,3}(mattina|pomeriggio|sera|notte|mezzanotte|mezzogiorno)(?=\W|$)/i;
export default class ITCasualTimeParser extends AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const targetDate = context.refDate;
const component = context.createParsingComponents();
switch (match[1].toLowerCase()) {
case "pomeriggio":
component.imply("meridiem", Meridiem.PM);
component.imply("hour", 15);
component.addTag("casualReference/afternoon");
break;
case "sera":
case "notte":
component.imply("meridiem", Meridiem.PM);
component.imply("hour", 20);
component.addTag("casualReference/evening");
break;
case "mezzanotte":
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);
component.addTag("casualReference/midnight");
break;
case "mattina":
component.imply("meridiem", Meridiem.AM);
component.imply("hour", 6);
component.addTag("casualReference/morning");
break;
case "mezzogiorno":
component.imply("meridiem", Meridiem.AM);
component.imply("hour", 12);
component.addTag("casualReference/noon");
break;
}
return component;
}
}
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