chrono-node
Version:
A natural language date parser in Javascript
59 lines • 3.25 kB
JavaScript
import { includeCommonConfiguration } from "../../configurations.js";
import { Chrono } from "../../chrono.js";
import { ParsingResult, ParsingComponents, ReferenceWithTimezone } from "../../results.js";
import { Meridiem, Weekday } from "../../types.js";
import NLMergeDateRangeRefiner from "./refiners/NLMergeDateRangeRefiner.js";
import NLMergeDateTimeRefiner from "./refiners/NLMergeDateTimeRefiner.js";
import NLCasualDateParser from "./parsers/NLCasualDateParser.js";
import NLCasualTimeParser from "./parsers/NLCasualTimeParser.js";
import SlashDateFormatParser from "../../common/parsers/SlashDateFormatParser.js";
import NLTimeUnitWithinFormatParser from "./parsers/NLTimeUnitWithinFormatParser.js";
import NLWeekdayParser from "./parsers/NLWeekdayParser.js";
import NLMonthNameMiddleEndianParser from "./parsers/NLMonthNameMiddleEndianParser.js";
import NLMonthNameParser from "./parsers/NLMonthNameParser.js";
import NLSlashMonthFormatParser from "./parsers/NLSlashMonthFormatParser.js";
import NLTimeExpressionParser from "./parsers/NLTimeExpressionParser.js";
import NLCasualYearMonthDayParser from "./parsers/NLCasualYearMonthDayParser.js";
import NLCasualDateTimeParser from "./parsers/NLCasualDateTimeParser.js";
import NLTimeUnitCasualRelativeFormatParser from "./parsers/NLTimeUnitCasualRelativeFormatParser.js";
import NLRelativeDateFormatParser from "./parsers/NLRelativeDateFormatParser.js";
import NLTimeUnitAgoFormatParser from "./parsers/NLTimeUnitAgoFormatParser.js";
import NLTimeUnitLaterFormatParser from "./parsers/NLTimeUnitLaterFormatParser.js";
export { Chrono, ParsingResult, ParsingComponents, ReferenceWithTimezone };
export { Meridiem, Weekday };
export const casual = new Chrono(createCasualConfiguration());
export const strict = new Chrono(createConfiguration(true));
export function parse(text, ref, option) {
return casual.parse(text, ref, option);
}
export function parseDate(text, ref, option) {
return casual.parseDate(text, ref, option);
}
export function createCasualConfiguration(littleEndian = true) {
const option = createConfiguration(false, littleEndian);
option.parsers.unshift(new NLCasualDateParser());
option.parsers.unshift(new NLCasualTimeParser());
option.parsers.unshift(new NLCasualDateTimeParser());
option.parsers.unshift(new NLMonthNameParser());
option.parsers.unshift(new NLRelativeDateFormatParser());
option.parsers.unshift(new NLTimeUnitCasualRelativeFormatParser());
return option;
}
export function createConfiguration(strictMode = true, littleEndian = true) {
return includeCommonConfiguration({
parsers: [
new SlashDateFormatParser(littleEndian),
new NLTimeUnitWithinFormatParser(),
new NLMonthNameMiddleEndianParser(),
new NLMonthNameParser(),
new NLWeekdayParser(),
new NLCasualYearMonthDayParser(),
new NLSlashMonthFormatParser(),
new NLTimeExpressionParser(strictMode),
new NLTimeUnitAgoFormatParser(strictMode),
new NLTimeUnitLaterFormatParser(strictMode),
],
refiners: [new NLMergeDateTimeRefiner(), new NLMergeDateRangeRefiner()],
}, strictMode);
}
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