forked from sheetjs/docs.sheetjs.com
		
	
		
			
	
	
		
			51 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
		
		
			
		
	
	
			51 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			HTML
		
	
	
	
	
	
|  | <!DOCTYPE html> | ||
|  | <html lang="en"> | ||
|  |   <head></head> | ||
|  |   <body> | ||
|  |     <h1>SheetJS Presidents Demo</h1> | ||
|  |     <button id="xport">Click here to export</button> | ||
|  |     <script src="http://requirejs.org/docs/release/2.3.3/comments/require.js"></script> | ||
|  |     <script> | ||
|  | /* Wire up RequireJS */ | ||
|  | require.config({ | ||
|  |   baseUrl: ".", | ||
|  |   name: "app", | ||
|  |   paths: { | ||
|  |     xlsx: "https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min" | ||
|  |   } | ||
|  | }); | ||
|  | require(["xlsx"], function(XLSX) { | ||
|  |   document.getElementById("xport").addEventListener("click", async() => { | ||
|  |     /* fetch JSON data and parse */ | ||
|  |     const url = "https://sheetjs.com/executive.json"; | ||
|  |     const raw_data = await (await fetch(url)).json(); | ||
|  | 
 | ||
|  |     /* filter for the Presidents */ | ||
|  |     const prez = raw_data.filter(row => row.terms.some(term => term.type === "prez")); | ||
|  | 
 | ||
|  |     /* flatten objects */ | ||
|  |     const rows = prez.map(row => ({ | ||
|  |       name: row.name.first + " " + row.name.last, | ||
|  |       birthday: row.bio.birthday | ||
|  |     })); | ||
|  | 
 | ||
|  |     /* generate worksheet and workbook */ | ||
|  |     const worksheet = XLSX.utils.json_to_sheet(rows); | ||
|  |     const workbook = XLSX.utils.book_new(); | ||
|  |     XLSX.utils.book_append_sheet(workbook, worksheet, "Dates"); | ||
|  | 
 | ||
|  |     /* fix headers */ | ||
|  |     XLSX.utils.sheet_add_aoa(worksheet, [["Name", "Birthday"]], { origin: "A1" }); | ||
|  | 
 | ||
|  |     /* calculate column width */ | ||
|  |     const max_width = rows.reduce((w, r) => Math.max(w, r.name.length), 10); | ||
|  |     worksheet["!cols"] = [ { wch: max_width } ]; | ||
|  | 
 | ||
|  |     /* create an XLSX file and try to save to Presidents.xlsx */ | ||
|  |     XLSX.writeFileXLSX(workbook, "Presidents.xlsx"); | ||
|  |   }); | ||
|  | }); | ||
|  |     </script> | ||
|  |   </body> | ||
|  | </html> |