37 lines
947 B
JavaScript
37 lines
947 B
JavaScript
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import { numericPatterns } from "../constants.mjs";
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import { Parser } from "../Parser.mjs";
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import { parseNDigits, parseNumericPattern } from "../utils.mjs";
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export class Hour1to12Parser extends Parser {
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priority = 70;
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parse(dateString, token, match) {
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switch (token) {
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case "h":
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return parseNumericPattern(numericPatterns.hour12h, dateString);
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case "ho":
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return match.ordinalNumber(dateString, { unit: "hour" });
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default:
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return parseNDigits(token.length, dateString);
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}
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}
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validate(_date, value) {
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return value >= 1 && value <= 12;
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}
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set(date, _flags, value) {
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const isPM = date.getHours() >= 12;
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if (isPM && value < 12) {
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date.setHours(value + 12, 0, 0, 0);
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} else if (!isPM && value === 12) {
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date.setHours(0, 0, 0, 0);
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} else {
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date.setHours(value, 0, 0, 0);
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}
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return date;
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}
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incompatibleTokens = ["H", "K", "k", "t", "T"];
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}
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