chrono-node
Version:
A natural language date parser in Javascript
36 lines • 1.4 kB
JavaScript
import { WEEKDAY_DICTIONARY } from "../constants.js";
import { matchAnyPattern } from "../../../utils/pattern.js";
import { AbstractParserWithWordBoundaryChecking } from "../../../common/parsers/AbstractParserWithWordBoundary.js";
import { createParsingComponentsAtWeekday } from "../../../calculation/weekdays.js";
const PATTERN = new RegExp("(?:(?:\\,|\\(|\\（)\\s*)?" +
"(?:(?:ce)\\s*)?" +
`(${matchAnyPattern(WEEKDAY_DICTIONARY)})` +
"(?:\\s*(?:\\,|\\)|\\）))?" +
"(?:\\s*(dernier|prochain)\\s*)?" +
"(?=\\W|\\d|$)", "i");
const WEEKDAY_GROUP = 1;
const POSTFIX_GROUP = 2;
export default class FRWeekdayParser extends AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const dayOfWeek = match[WEEKDAY_GROUP].toLowerCase();
const weekday = WEEKDAY_DICTIONARY[dayOfWeek];
if (weekday === undefined) {
return null;
}
let suffix = match[POSTFIX_GROUP];
suffix = suffix || "";
suffix = suffix.toLowerCase();
let modifier = null;
if (suffix == "dernier") {
modifier = "last";
}
else if (suffix == "prochain") {
modifier = "next";
}
return createParsingComponentsAtWeekday(context.reference, weekday, modifier);
}
}
//# sourceMappingURL=FRWeekdayParser.js.map