chrono-node
Version:
A natural language date parser in Javascript
37 lines • 1.76 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 duration_1 = require("../../../calculation/duration");
const pattern_1 = require("../../../utils/pattern");
const CASUAL_UNIT_PATTERN = "(?:" + constants_1.NUMBER_PATTERN + "\\s{0,5})?(?:" + (0, pattern_1.matchAnyPattern)(constants_1.TIME_UNIT_DICTIONARY) + ")";
const PATTERN = new RegExp("(này|trước|qua|sau|tới|tiếp)\\s*(" +
CASUAL_UNIT_PATTERN +
")" +
"|(" +
CASUAL_UNIT_PATTERN +
")\\s*(này|trước|qua|sau|tới|tiếp)" +
"(?=\\W|$)", "i");
class VITimeUnitCasualRelativeFormatParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const modifier = (match[1] || match[4] || "").toLowerCase();
const unitText = (match[2] || match[3] || "").toLowerCase();
let duration = (0, constants_1.parseDuration)(unitText);
if (Object.keys(duration).length === 0) {
const unit = constants_1.TIME_UNIT_DICTIONARY[unitText];
if (!unit)
return null;
duration = { [unit]: 1 };
}
if (modifier === "trước" || modifier === "qua") {
duration = (0, duration_1.reverseDuration)(duration);
}
return results_1.ParsingComponents.createRelativeFromReference(context.reference, duration);
}
}
exports.default = VITimeUnitCasualRelativeFormatParser;
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