Initial commit (by create-cloudflare CLI)

node_modules/better-sqlite3/lib/database.js

@@ -0,0 +1,90 @@
+'use strict';
+const fs = require('fs');
+const path = require('path');
+const util = require('./util');
+const SqliteError = require('./sqlite-error');
+
+let DEFAULT_ADDON;
+
+function Database(filenameGiven, options) {
+	if (new.target == null) {
+		return new Database(filenameGiven, options);
+	}
+
+	// Apply defaults
+	let buffer;
+	if (Buffer.isBuffer(filenameGiven)) {
+		buffer = filenameGiven;
+		filenameGiven = ':memory:';
+	}
+	if (filenameGiven == null) filenameGiven = '';
+	if (options == null) options = {};
+
+	// Validate arguments
+	if (typeof filenameGiven !== 'string') throw new TypeError('Expected first argument to be a string');
+	if (typeof options !== 'object') throw new TypeError('Expected second argument to be an options object');
+	if ('readOnly' in options) throw new TypeError('Misspelled option "readOnly" should be "readonly"');
+	if ('memory' in options) throw new TypeError('Option "memory" was removed in v7.0.0 (use ":memory:" filename instead)');
+
+	// Interpret options
+	const filename = filenameGiven.trim();
+	const anonymous = filename === '' || filename === ':memory:';
+	const readonly = util.getBooleanOption(options, 'readonly');
+	const fileMustExist = util.getBooleanOption(options, 'fileMustExist');
+	const timeout = 'timeout' in options ? options.timeout : 5000;
+	const verbose = 'verbose' in options ? options.verbose : null;
+	const nativeBinding = 'nativeBinding' in options ? options.nativeBinding : null;
+
+	// Validate interpreted options
+	if (readonly && anonymous && !buffer) throw new TypeError('In-memory/temporary databases cannot be readonly');
+	if (!Number.isInteger(timeout) || timeout < 0) throw new TypeError('Expected the "timeout" option to be a positive integer');
+	if (timeout > 0x7fffffff) throw new RangeError('Option "timeout" cannot be greater than 2147483647');
+	if (verbose != null && typeof verbose !== 'function') throw new TypeError('Expected the "verbose" option to be a function');
+	if (nativeBinding != null && typeof nativeBinding !== 'string' && typeof nativeBinding !== 'object') throw new TypeError('Expected the "nativeBinding" option to be a string or addon object');
+
+	// Load the native addon
+	let addon;
+	if (nativeBinding == null) {
+		addon = DEFAULT_ADDON || (DEFAULT_ADDON = require('bindings')('better_sqlite3.node'));
+	} else if (typeof nativeBinding === 'string') {
+		// See <https://webpack.js.org/api/module-variables/#__non_webpack_require__-webpack-specific>
+		const requireFunc = typeof __non_webpack_require__ === 'function' ? __non_webpack_require__ : require;
+		addon = requireFunc(path.resolve(nativeBinding).replace(/(\.node)?$/, '.node'));
+	} else {
+		// See <https://github.com/WiseLibs/better-sqlite3/issues/972>
+		addon = nativeBinding;
+	}
+
+	if (!addon.isInitialized) {
+		addon.setErrorConstructor(SqliteError);
+		addon.isInitialized = true;
+	}
+
+	// Make sure the specified directory exists
+	if (!anonymous && !fs.existsSync(path.dirname(filename))) {
+		throw new TypeError('Cannot open database because the directory does not exist');
+	}
+
+	Object.defineProperties(this, {
+		[util.cppdb]: { value: new addon.Database(filename, filenameGiven, anonymous, readonly, fileMustExist, timeout, verbose || null, buffer || null) },
+		...wrappers.getters,
+	});
+}
+
+const wrappers = require('./methods/wrappers');
+Database.prototype.prepare = wrappers.prepare;
+Database.prototype.transaction = require('./methods/transaction');
+Database.prototype.pragma = require('./methods/pragma');
+Database.prototype.backup = require('./methods/backup');
+Database.prototype.serialize = require('./methods/serialize');
+Database.prototype.function = require('./methods/function');
+Database.prototype.aggregate = require('./methods/aggregate');
+Database.prototype.table = require('./methods/table');
+Database.prototype.loadExtension = wrappers.loadExtension;
+Database.prototype.exec = wrappers.exec;
+Database.prototype.close = wrappers.close;
+Database.prototype.defaultSafeIntegers = wrappers.defaultSafeIntegers;
+Database.prototype.unsafeMode = wrappers.unsafeMode;
+Database.prototype[util.inspect] = require('./methods/inspect');
+
+module.exports = Database;