chrono-node
Version:
A natural language date parser in Javascript
55 lines • 2.11 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const years_1 = require("../../../calculation/years");
const constants_1 = require("../constants");
const pattern_1 = require("../../../utils/pattern");
const AbstractParserWithWordBoundary_1 = require("../../../common/parsers/AbstractParserWithWordBoundary");
const PATTERN = new RegExp(`(${(0, pattern_1.matchAnyPattern)(constants_1.MONTH_DICTIONARY)})` +
"(?:-|/|\\s*,?\\s*)" +
"([0-9]{1,2})" +
"(?:" +
"\\s*(?:-|–|s\\.d\\.?|s/d|sampai(?:\\s+dengan)?|hingga)\\s*" +
"([0-9]{1,2})" +
")?" +
"(?:" +
"(?:-|/|\\s*,\\s*|\\s+)" +
`(?:tahun\\s+)?(${constants_1.YEAR_PATTERN})` +
")?" +
"(?=\\W|$)(?![.:]\\d)", "i");
const MONTH_NAME_GROUP = 1;
const DATE_GROUP = 2;
const DATE_TO_GROUP = 3;
const YEAR_GROUP = 4;
class IDMonthNameMiddleEndianParser extends AbstractParserWithWordBoundary_1.AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const month = constants_1.MONTH_DICTIONARY[match[MONTH_NAME_GROUP].toLowerCase()];
const day = parseInt(match[DATE_GROUP]);
if (day > 31) {
return null;
}
const components = context.createParsingComponents({ day: day, month: month });
if (match[YEAR_GROUP]) {
components.assign("year", (0, constants_1.parseYear)(match[YEAR_GROUP]));
}
else {
components.imply("year", (0, years_1.findYearClosestToRef)(context.refDate, day, month));
}
if (!match[DATE_TO_GROUP]) {
return components;
}
const endDate = parseInt(match[DATE_TO_GROUP]);
if (endDate > 31) {
return null;
}
const result = context.createParsingResult(match.index, match[0]);
result.start = components;
result.end = components.clone();
result.end.assign("day", endDate);
return result;
}
}
exports.default = IDMonthNameMiddleEndianParser;
//# sourceMappingURL=IDMonthNameMiddleEndianParser.js.map