mirror of
https://github.com/oven-sh/bun
synced 2026-02-09 10:28:47 +00:00
9388b3f825
* Add a zig fmt action * add failing file * Setup prettier better * Update prettier-fmt.yml * Fail on error * Update prettier-fmt.yml * boop * boop2 * tar.gz * Update zig-fmt.yml * Update zig-fmt.yml * Update zig-fmt.yml * Update zig-fmt.yml * Update zig-fmt.yml * boop * Update prettier-fmt.yml * tag * newlines * multiline * fixup * Update zig-fmt.yml * update it * fixup * both * w * Update prettier-fmt.yml * prettier all the things * Update package.json * zig fmt * ❌ ✅ * bump * . * quotes * fix prettier ignore * once more * Update prettier-fmt.yml * Update fallback.ts * consistentcy --------- Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
55 lines
1.3 KiB
TypeScript
55 lines
1.3 KiB
TypeScript
import Pappa from "papaparse";
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// Example usage:
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// const rows = fetchCSV(
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// "https://covid19.who.int/WHO-COVID-19-global-data.csv",
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// {
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// last: 100,
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// columns: ["New_cases", "Date_reported", "Country"],
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// }
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// );
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export async function fetchCSV(callExpression) {
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console.time("fetchCSV Total");
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const [
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urlNode,
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{
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properties: { last: limit = 10, columns = [] },
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},
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] = callExpression.arguments;
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const url = urlNode.get();
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console.time("Fetch");
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const response = await fetch(url);
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const csvText = await response.text();
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console.timeEnd("Fetch");
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console.time("Parse");
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let rows = Pappa.parse(csvText, { fastMode: true }).data;
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console.timeEnd("Parse");
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console.time("Render");
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const columnIndices = new Array(columns.length);
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for (let i = 0; i < columns.length; i++) {
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columnIndices[i] = rows[0].indexOf(columns[i]);
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}
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rows = rows
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.slice(Math.max(limit, rows.length) - limit)
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.reverse()
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.filter(columns => columns.every(Boolean));
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const value = (
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<array>
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{rows.map(columns => (
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<array>
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{columnIndices.map(columnIndex => (
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<string value={columns[columnIndex]} />
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))}
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</array>
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))}
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</array>
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);
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console.timeEnd("Render");
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console.timeEnd("fetchCSV Total");
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return value;
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}
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