forked from sheetjs/sheetjs
SheetJS
5de62a947f
- add BOM to `stream.to_csv` (fixes #1024 h/t @hr5959) - `utils.format_cell` type (h/t @victorj2307) - duktape niggles - demo cleanup
52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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/* eslint-env node */
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var XLSX = require('xlsx');
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var assert = require('assert');
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var SheetJSSQL = require('./SheetJSSQL');
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var Database = require('better-sqlite3');
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var db1 = new Database('SheetJS1.db');
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/* Sample data table */
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var init = [
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"DROP TABLE IF EXISTS pres",
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"CREATE TABLE pres (name TEXT, idx INTEGER)",
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"INSERT INTO pres VALUES ('Barack Obama', 44)",
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"INSERT INTO pres VALUES ('Donald Trump', 45)",
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"DROP TABLE IF EXISTS fmts",
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"CREATE TABLE fmts (ext TEXT, ctr TEXT, multi INTEGER)",
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"INSERT INTO fmts VALUES ('XLSB', 'ZIP', 1)",
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"INSERT INTO fmts VALUES ('XLS', 'CFB', 1)",
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"INSERT INTO fmts VALUES ('XLML', '', 1)",
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"INSERT INTO fmts VALUES ('CSV', '', 0)",
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];
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db1.exec(init.join(";"));
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/* Export database to XLSX */
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var wb = XLSX.utils.book_new();
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function book_append_table(wb, db, name) {
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var r = db.prepare('SELECT * FROM ' + name).all();
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var ws = XLSX.utils.json_to_sheet(r);
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XLSX.utils.book_append_sheet(wb, ws, name);
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}
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book_append_table(wb, db1, "pres");
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book_append_table(wb, db1, "fmts");
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XLSX.writeFile(wb, "sqlite.xlsx");
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/* Import XLSX to database */
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var db2 = new Database('SheetJS2.db');
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var wb2 = XLSX.readFile("sqlite.xlsx");
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var queries = SheetJSSQL.book_to_sql(wb2, "SQLITE");
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queries.forEach(function(q) { db2.exec(q); });
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/* Compare databases */
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var P1 = db1.prepare("SELECT * FROM pres").all();
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var P2 = db2.prepare("SELECT * FROM pres").all();
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var F1 = db1.prepare("SELECT * FROM fmts").all();
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var F2 = db2.prepare("SELECT * FROM fmts").all();
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assert.deepEqual(P1, P2);
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assert.deepEqual(F1, F2);
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console.log(P2);
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console.log(F2);
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