53 lines
1.1 KiB
JavaScript
Executable file
53 lines
1.1 KiB
JavaScript
Executable file
const fs = require("fs");
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console.log("Generating Timezone JSON");
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const args = process.argv;
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if (args.length < 3) {
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// no file
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const tzdb = require("@vvo/tzdb");
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console.log("... from IANA Database");
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const data = JSON.stringify(tzdb.getTimeZones({ includeUtc: true }).sort(compare));
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writeToFile(data);
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} else {
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// file name
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const fileName = args[2];
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const parseZonetab = require("parse-zonetab");
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console.log("... from file", fileName);
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fs.readFile(fileName, (err, raw) => {
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if (err) throw err;
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parseZonetab(raw).then(rows => {
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const data = JSON.stringify(rows.sort(compare));
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writeToFile(data);
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});
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});
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}
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function writeToFile(data) {
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fs.writeFile("timezones.json", data, (err) => {
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if (err) throw err;
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console.log("... done writing to file: timezones.json");
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});
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}
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function compare(a, b) {
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const bid = b.id || b.name;
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const aid = a.id || a.name;
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if (aid < bid) {
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return -1;
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}
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if (aid > bid) {
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return 1;
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}
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return 0;
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};
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