chrono-node
Version:
A natural language date parser in Javascript
28 lines • 1.32 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const constants_1 = require("../constants");
const results_1 = require("../../../results");
const AbstractParserWithWordBoundary_1 = require("../../../common/parsers/AbstractParserWithWordBoundary");
const timeunits_1 = require("../../../utils/timeunits");
const PATTERN = new RegExp(`(dit|deze|vorig|afgelopen|(?:aan)?komend|over|\\+|-)e?\\s*(${constants_1.TIME_UNITS_PATTERN})(?=\\W|$)`, "i");
const PREFIX_WORD_GROUP = 1;
const TIME_UNIT_WORD_GROUP = 2;
class NLTimeUnitCasualRelativeFormatParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const prefix = match[PREFIX_WORD_GROUP].toLowerCase();
let timeUnits = constants_1.parseTimeUnits(match[TIME_UNIT_WORD_GROUP]);
switch (prefix) {
case "vorig":
case "afgelopen":
case "-":
timeUnits = timeunits_1.reverseTimeUnits(timeUnits);
break;
}
return results_1.ParsingComponents.createRelativeFromReference(context.reference, timeUnits);
}
}
exports.default = NLTimeUnitCasualRelativeFormatParser;
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