86 lines
3.2 KiB
TypeScript
86 lines
3.2 KiB
TypeScript
import { useEffect, useState } from 'kaioken'
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import { read, write, utils, version, WorkBook } from 'xlsx';
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import { DialogFilter, message, open, save } from '@tauri-apps/api/dialog';
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import { fetch, ResponseType } from '@tauri-apps/api/http';
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import { readBinaryFile, writeBinaryFile } from '@tauri-apps/api/fs';
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const filters: DialogFilter[] = [
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{name: "Excel Binary Workbook", extensions: ["xlsb"]},
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{name: "Excel Workbook", extensions: ["xlsx"]},
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{name: "Excel 97-2004 Workbook", extensions: ["xls"]},
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{name: "Excel 2003 XML Spreadsheet", extensions: ["xml"]},
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{name: "Symbolic Link", extensions: ["slk"]},
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{name: "Flat OpenDocument Spreadsheet", extensions: ["fods"]},
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{name: "OpenDocument Spreadsheet", extensions: ["fods"]},
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// ...
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];
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export default function SheetJSTauriKaioken() {
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const [data, setData] = useState<any[][]>([[]])
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const [origin, setOrigin] = useState("");
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const update = (wb: WorkBook) => {
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const ws = wb.Sheets[wb.SheetNames[0]];
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const d = utils.sheet_to_json<any[]>(ws, { header: 1})
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setData(d);
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};
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/* Load from File */
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const openFile = async() => {
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try {
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const selected = await open({
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title: "Open Spreadsheet",
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multiple: false,
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directory: false,
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filters
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}) as string;
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const d = await readBinaryFile(selected);
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const wb = read(d);
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update(wb);
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setOrigin(selected);
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} catch(e) { await message((e as Error).message || (e as string), { title: "Load Error", type: "error"}); }
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};
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/* Save to File */
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const saveFile = async() => {
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try {
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const selected = await save({
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title: "Save to Spreadsheet",
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filters
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});
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if(!selected) throw new Error("No file selected");
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const ws = utils.aoa_to_sheet(data);
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const wb = utils.book_new();
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utils.book_append_sheet(wb, ws, "SheetJSTauri");
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const d = write(wb, {type: "buffer", bookType: selected.slice(selected.lastIndexOf(".") + 1) as any}) as Uint8Array;
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await writeBinaryFile(selected, d);
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await message(`File saved to ${selected}`);
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} catch(e) { await message((e as Error).message || (e as string), { title: "Save Error", type: "error"}); }
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};
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/* Download from https://docs.sheetjs.com/pres.numbers */
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useEffect(() => {(async() => {
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try {
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setOrigin("https://docs.sheetjs.com/pres.numbers");
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const response = await fetch<Uint8Array>("https://docs.sheetjs.com/pres.numbers", { method: "GET", responseType: ResponseType.Binary });
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const wb = read(new Uint8Array(response.data));
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update(wb);
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} catch(e) { await message((e as Error).message || (e as string), { title: "Fetch Error", type: "error"}); }
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})(); }, []);
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return ( <div>
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<h1><a href="https://sheetjs.com" target="_blank">
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<img src="https://sheetjs.com/sketch128.png" className="logo" alt="SheetJS" />
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SheetJS × Tauri {version}</a></h1>
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<div className="centre"><button type="button" onclick={openFile}>Load Data</button> or
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<button type="button" onclick={saveFile}>Save Data</button></div>
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<p className="centre"><b className="centre">Data from { origin }</b></p>
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<table className="center"><tbody>
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{data.map((row) => <tr>
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{row.map((cell) => <td>{cell}</td>)}
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</tr>)}
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</tbody></table>
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</div>
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);
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} |