42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
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// look up points for each regional city
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const fs = require('fs/promises');
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const chunk = require('./chunk');
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const https = require('./https');
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(async () => {
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// source data
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const regionalCities = JSON.parse(await fs.readFile('./datagenerators/regionalcities-raw.json'));
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const result = [];
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const dataChunks = chunk(regionalCities, 5);
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// for loop intentional for use of await
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// this keeps the api from getting overwhelmed
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for (let i = 0; i < dataChunks.length; i += 1) {
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const cityChunk = dataChunks[i];
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// eslint-disable-next-line no-await-in-loop
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const chunkResult = await Promise.all(cityChunk.map(async (city) => {
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try {
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const data = await https(`https://api.weather.gov/points/${city.lat},${city.lon}`);
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const point = JSON.parse(data);
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return {
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...city,
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point: {
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x: point.properties.gridX,
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y: point.properties.gridY,
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wfo: point.properties.gridId,
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},
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};
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} catch (e) {
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console.error(e);
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return city;
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}
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}));
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result.push(...chunkResult);
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}
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await fs.writeFile('./datagenerators/output/regionalcities.json', JSON.stringify(result, null, ' '));
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})();
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