95 lines
2.3 KiB
JavaScript
95 lines
2.3 KiB
JavaScript
import { setDay } from "../../../setDay.mjs";
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import { Parser } from "../Parser.mjs";
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import { mapValue, parseNDigits } from "../utils.mjs";
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// Local day of week
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export class LocalDayParser extends Parser {
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priority = 90;
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parse(dateString, token, match, options) {
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const valueCallback = (value) => {
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// We want here floor instead of trunc, so we get -7 for value 0 instead of 0
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const wholeWeekDays = Math.floor((value - 1) / 7) * 7;
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return ((value + options.weekStartsOn + 6) % 7) + wholeWeekDays;
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};
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switch (token) {
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// 3
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case "e":
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case "ee": // 03
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return mapValue(parseNDigits(token.length, dateString), valueCallback);
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// 3rd
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case "eo":
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return mapValue(
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match.ordinalNumber(dateString, {
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unit: "day",
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}),
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valueCallback,
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);
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// Tue
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case "eee":
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return (
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match.day(dateString, {
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width: "abbreviated",
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context: "formatting",
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}) ||
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match.day(dateString, { width: "short", context: "formatting" }) ||
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match.day(dateString, { width: "narrow", context: "formatting" })
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);
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// T
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case "eeeee":
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return match.day(dateString, {
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width: "narrow",
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context: "formatting",
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});
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// Tu
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case "eeeeee":
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return (
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match.day(dateString, { width: "short", context: "formatting" }) ||
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match.day(dateString, { width: "narrow", context: "formatting" })
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);
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// Tuesday
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case "eeee":
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default:
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return (
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match.day(dateString, { width: "wide", context: "formatting" }) ||
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match.day(dateString, {
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width: "abbreviated",
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context: "formatting",
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}) ||
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match.day(dateString, { width: "short", context: "formatting" }) ||
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match.day(dateString, { width: "narrow", context: "formatting" })
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);
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}
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}
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validate(_date, value) {
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return value >= 0 && value <= 6;
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}
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set(date, _flags, value, options) {
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date = setDay(date, value, options);
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date.setHours(0, 0, 0, 0);
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return date;
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}
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incompatibleTokens = [
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"y",
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"R",
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"u",
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"q",
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"Q",
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"M",
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"L",
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"I",
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"d",
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"D",
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"E",
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"i",
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"c",
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"t",
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"T",
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];
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}
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