chrono-node
Version:
A natural language date parser in Javascript
39 lines • 1.45 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const years_1 = require("../../../calculation/years");
const constants_1 = require("../constants");
const AbstractParserWithWordBoundary_1 = require("../../../common/parsers/AbstractParserWithWordBoundary");
const PATTERN = new RegExp("(?:ng\u00e0y\\s*)?" +
"([0-9]{1,2})" +
"\\s*th\u00e1ng\\s*" +
"([0-9]{1,2})" +
"(?:\\s*n\u0103m\\s*(" +
constants_1.YEAR_PATTERN +
"))?" +
"(?=\\W|$)", "i");
const DAY_GROUP = 1;
const MONTH_GROUP = 2;
const YEAR_GROUP = 3;
class VIStandardParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const day = parseInt(match[DAY_GROUP]);
const month = parseInt(match[MONTH_GROUP]);
if (day > 31 || month > 12)
return null;
const result = context.createParsingResult(match.index, match[0]);
result.start.assign("day", day);
result.start.assign("month", month);
if (match[YEAR_GROUP]) {
result.start.assign("year", (0, constants_1.parseYear)(match[YEAR_GROUP]));
}
else {
result.start.imply("year", (0, years_1.findYearClosestToRef)(context.refDate, day, month));
}
return result;
}
}
exports.default = VIStandardParser;
//# sourceMappingURL=VIStandardParser.js.map