35 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import { utils, writeFileXLSX } from 'xlsx';
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| 
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| (async() => {
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| /* fetch JSON data and parse */
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| const url = "https://sheetjs.com/data/executive.json";
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| const raw_data = await (await fetch(url)).json();
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| 
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| /* filter for the Presidents */
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| const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez"));
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| 
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| /* sort by first presidential term */
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| prez.forEach(row => row.start = row.terms.find(term => term.type === "prez").start);
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| prez.sort((l,r) => l.start.localeCompare(r.start));
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| 
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| /* flatten objects */
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| const rows = prez.map(row => ({
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|   name: row.name.first + " " + row.name.last,
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|   birthday: row.bio.birthday
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| }));
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| 
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| /* generate worksheet and workbook */
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| const worksheet = utils.json_to_sheet(rows);
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| const workbook = utils.book_new();
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| utils.book_append_sheet(workbook, worksheet, "Dates");
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| 
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| /* fix headers */
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| utils.sheet_add_aoa(worksheet, [["Name", "Birthday"]], { origin: "A1" });
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| 
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| /* calculate column width */
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| const max_width = rows.reduce((w, r) => Math.max(w, r.name.length), 10);
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| worksheet["!cols"] = [ { wch: max_width } ];
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| 
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| /* create an XLSX file and try to save to Presidents.xlsx */
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| writeFileXLSX(workbook, "Presidents.xlsx");
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| })(); |