107 lines
2.9 KiB
JavaScript
107 lines
2.9 KiB
JavaScript
(function() {
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'use strict';
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var timeParsePatterns = [
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// 9
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{
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re: /^\d{1,2}$/i,
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handler: function(bits) {
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if (bits[0].length === 1) {
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return '0' + bits[0] + ':00';
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} else {
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return bits[0] + ':00';
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}
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}
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},
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// 13:00
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{
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re: /^\d{2}[:.]\d{2}$/i,
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handler: function(bits) {
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return bits[0].replace('.', ':');
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}
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},
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// 9:00
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{
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re: /^\d[:.]\d{2}$/i,
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handler: function(bits) {
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return '0' + bits[0].replace('.', ':');
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}
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},
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// 3 am / 3 a.m. / 3am
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{
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re: /^(\d+)\s*([ap])(?:.?m.?)?$/i,
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handler: function(bits) {
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var hour = parseInt(bits[1]);
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if (hour === 12) {
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hour = 0;
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}
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if (bits[2].toLowerCase() === 'p') {
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if (hour === 12) {
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hour = 0;
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}
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return (hour + 12) + ':00';
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} else {
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if (hour < 10) {
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return '0' + hour + ':00';
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} else {
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return hour + ':00';
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}
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}
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}
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},
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// 3.30 am / 3:15 a.m. / 3.00am
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{
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re: /^(\d+)[.:](\d{2})\s*([ap]).?m.?$/i,
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handler: function(bits) {
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var hour = parseInt(bits[1]);
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var mins = parseInt(bits[2]);
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if (mins < 10) {
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mins = '0' + mins;
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}
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if (hour === 12) {
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hour = 0;
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}
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if (bits[3].toLowerCase() === 'p') {
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if (hour === 12) {
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hour = 0;
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}
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return (hour + 12) + ':' + mins;
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} else {
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if (hour < 10) {
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return '0' + hour + ':' + mins;
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} else {
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return hour + ':' + mins;
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}
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}
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}
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},
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// noon
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{
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re: /^no/i,
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handler: function(bits) {
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return '12:00';
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}
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},
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// midnight
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{
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re: /^mid/i,
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handler: function(bits) {
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return '00:00';
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}
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}
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];
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function parseTimeString(s) {
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for (var i = 0; i < timeParsePatterns.length; i++) {
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var re = timeParsePatterns[i].re;
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var handler = timeParsePatterns[i].handler;
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var bits = re.exec(s);
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if (bits) {
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return handler(bits);
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}
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}
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return s;
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}
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window.parseTimeString = parseTimeString;
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})();
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