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38 lines
1.0 KiB
JavaScript
38 lines
1.0 KiB
JavaScript
// SARS-CoV-2-Viz
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// Animated COVID case count visualization
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// Copyright 2022 Edward L. Platt <ed@elplatt.com>
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const metadataUrl = "https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/UID_ISO_FIPS_LookUp_Table.csv";
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async function getMetadata(onProgress) {
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const content = await fetchWithProgress(metadataUrl, onProgress);
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return content;
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}
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function parseMetadataTSV(tsv, onProgress) {
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return tsvToJSON(tsv, onProgress);
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}
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async function parseMetadata(content, onProgress) {
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// Convert to TSV then to object
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onProgress("initializing...");
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let tsv = await csvToTSV(
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content,
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(progress) => onProgress(`parsing CSV: ${progress}`));
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let metadata = parseMetadataTSV(
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tsv,
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(progress) => onProgress(`buidling data structure: ${progress}`));
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onProgress("done");
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return metadata;
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}
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function populationMap(metadata) {
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let result = {};
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for (const row of metadata) {
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if (row["FIPS"]) {
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result[row["FIPS"]] = parseInt(row["Population"]);
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}
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}
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return result;
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}
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