chrono-node
Version:
A natural language date parser in Javascript
70 lines • 3.05 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const types_1 = require("../../../types");
const AbstractParserWithWordBoundary_1 = require("../../../common/parsers/AbstractParserWithWordBoundary");
const dates_1 = require("../../../utils/dates");
class DECasualTimeParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
innerPattern(context) {
return /(diesen)?\s*(morgen|vormittag|mittags?|nachmittag|abend|nacht|mitternacht)(?=\W|$)/i;
}
innerExtract(context, match) {
const targetDate = context.refDate;
const timeKeywordPattern = match[2].toLowerCase();
const component = context.createParsingComponents();
(0, dates_1.implySimilarTime)(component, targetDate);
return DECasualTimeParser.extractTimeComponents(component, timeKeywordPattern);
}
static extractTimeComponents(component, timeKeywordPattern) {
switch (timeKeywordPattern) {
case "morgen":
component.imply("hour", 6);
component.imply("minute", 0);
component.imply("second", 0);
component.imply("meridiem", types_1.Meridiem.AM);
break;
case "vormittag":
component.imply("hour", 9);
component.imply("minute", 0);
component.imply("second", 0);
component.imply("meridiem", types_1.Meridiem.AM);
break;
case "mittag":
case "mittags":
component.imply("hour", 12);
component.imply("minute", 0);
component.imply("second", 0);
component.imply("meridiem", types_1.Meridiem.AM);
break;
case "nachmittag":
component.imply("hour", 15);
component.imply("minute", 0);
component.imply("second", 0);
component.imply("meridiem", types_1.Meridiem.PM);
break;
case "abend":
component.imply("hour", 18);
component.imply("minute", 0);
component.imply("second", 0);
component.imply("meridiem", types_1.Meridiem.PM);
break;
case "nacht":
component.imply("hour", 22);
component.imply("minute", 0);
component.imply("second", 0);
component.imply("meridiem", types_1.Meridiem.PM);
break;
case "mitternacht":
if (component.get("hour") > 1) {
component.addDurationAsImplied({ "day": 1 });
}
component.imply("hour", 0);
component.imply("minute", 0);
component.imply("second", 0);
component.imply("meridiem", types_1.Meridiem.AM);
break;
}
return component;
}
}
exports.default = DECasualTimeParser;
//# sourceMappingURL=DECasualTimeParser.js.map