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chrono-node

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A natural language date parser in Javascript

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import { WEEKDAY_DICTIONARY } from "../../nl/constants.js"; import { matchAnyPattern } from "../../../utils/pattern.js"; import { AbstractParserWithWordBoundaryChecking } from "../../../common/parsers/AbstractParserWithWordBoundary.js"; import { createParsingComponentsAtWeekday } from "../../../common/calculation/weekdays.js"; const PATTERN = new RegExp("(?:(?:\\,|\\(|\\()\\s*)?" + "(?:op\\s*?)?" + "(?:(deze|vorige|volgende)\\s*(?:week\\s*)?)?" + `(${matchAnyPattern(WEEKDAY_DICTIONARY)})` + "(?=\\W|$)", "i"); const PREFIX_GROUP = 1; const WEEKDAY_GROUP = 2; const POSTFIX_GROUP = 3; export default class NLWeekdayParser extends AbstractParserWithWordBoundaryChecking { innerPattern() { return PATTERN; } innerExtract(context, match) { const dayOfWeek = match[WEEKDAY_GROUP].toLowerCase(); const weekday = WEEKDAY_DICTIONARY[dayOfWeek]; const prefix = match[PREFIX_GROUP]; const postfix = match[POSTFIX_GROUP]; let modifierWord = prefix || postfix; modifierWord = modifierWord || ""; modifierWord = modifierWord.toLowerCase(); let modifier = null; if (modifierWord == "vorige") { modifier = "last"; } else if (modifierWord == "volgende") { modifier = "next"; } else if (modifierWord == "deze") { modifier = "this"; } return createParsingComponentsAtWeekday(context.reference, weekday, modifier); } } //# sourceMappingURL=NLWeekdayParser.js.map