chrono-node
Version:
A natural language date parser in Javascript
49 lines • 2.15 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";
import { Weekday } from "../../../types.js";
const PATTERN = new RegExp("(?:(?:\\,|\\(|\\（)\\s*)?" +
"(?:(questo|questa|quest'|scorso|scorsa|prossimo|prossima)\\s*)?" +
`(${matchAnyPattern(WEEKDAY_DICTIONARY)}|weekend|fine\\s*settimana)` +
"(?:\\s*(?:\\,|\\)|\\）))?" +
"(?:\\s*(scorso|scorsa|prossimo|prossima)(?:\\s*settimana)?)?" +
"(?=\\W|$)", "i");
const PREFIX_GROUP = 1;
const WEEKDAY_GROUP = 2;
const POSTFIX_GROUP = 3;
export default class ITWeekdayParser extends AbstractParserWithWordBoundaryChecking {
innerPattern() {
return PATTERN;
}
innerExtract(context, match) {
const prefix = match[PREFIX_GROUP];
const postfix = match[POSTFIX_GROUP];
let modifierWord = prefix || postfix;
modifierWord = modifierWord || "";
modifierWord = modifierWord.toLowerCase();
let modifier = null;
if (modifierWord == "scorso" || modifierWord == "scorsa") {
modifier = "last";
}
else if (modifierWord == "prossimo" || modifierWord == "prossima") {
modifier = "next";
}
else if (modifierWord == "questo" || modifierWord == "questa" || modifierWord == "quest'") {
modifier = "this";
}
const weekday_word = match[WEEKDAY_GROUP].toLowerCase();
let weekday;
if (WEEKDAY_DICTIONARY[weekday_word] !== undefined) {
weekday = WEEKDAY_DICTIONARY[weekday_word];
}
else if (weekday_word == "weekend" || weekday_word.match(/fine\s*settimana/)) {
weekday = modifier == "last" ? Weekday.SUNDAY : Weekday.SATURDAY;
}
else {
return null;
}
return createParsingComponentsAtWeekday(context.reference, weekday, modifier);
}
}
//# sourceMappingURL=ITWeekdayParser.js.map