32 lines
791 B
JavaScript
32 lines
791 B
JavaScript
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// https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
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var zones = [];
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var zoneMap = {};
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var all = document.body
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.querySelector('.wikitable.sortable.jquery-tablesorter')
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.querySelectorAll('tr');
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all = [].slice.call(all, 1); // remove header
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all.forEach(function(el) {
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if (/Alias|Deprecated|Etc\//.test(el.outerText)) {
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$(el).remove();
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return;
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}
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var fields = [].slice.call(el.querySelectorAll('td'));
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var f = fields.map(function(td) {
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return td.innerText.trim();
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});
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var id = f[5] + ' ' + f[6];
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if (!zoneMap[id]) {
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zones.push([f[2], f[5], f[6]]);
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}
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zoneMap[id] = zoneMap[id] || [];
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zoneMap[id].push(f[2]);
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});
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// console.log(JSON.stringify(zones));
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console.log('Total:', all.length);
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console.log('Unique:', Object.keys(zoneMap).length);
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console.log(zoneMap);
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