chrono-node
Version:
A natural language date parser in Javascript
19 lines • 1.02 kB
JavaScript
import { TIME_UNITS_PATTERN, parseTimeUnits, REGEX_PARTS } from "../constants.js";
import { ParsingComponents } from "../../../results.js";
import { AbstractParserWithWordBoundaryChecking } from "../../../common/parsers/AbstractParserWithWordBoundary.js";
const PATTERN = `(?:(?:около|примерно)\\s*(?:~\\s*)?)?(${TIME_UNITS_PATTERN})${REGEX_PARTS.rightBoundary}`;
export default class RUTimeUnitWithinFormatParser extends AbstractParserWithWordBoundaryChecking {
patternLeftBoundary() {
return REGEX_PARTS.leftBoundary;
}
innerPattern(context) {
return context.option.forwardDate
? new RegExp(PATTERN, REGEX_PARTS.flags)
: new RegExp(`(?:в течение|в течении)\\s*${PATTERN}`, REGEX_PARTS.flags);
}
innerExtract(context, match) {
const timeUnits = parseTimeUnits(match[1]);
return ParsingComponents.createRelativeFromReference(context.reference, timeUnits);
}
}
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