88 lines
1.9 KiB
JavaScript
88 lines
1.9 KiB
JavaScript
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const { parse } = require('pg-connection-string');
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const parsePG = parse;
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const isWindows = process && process.platform && process.platform === 'win32';
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/**
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* @param str
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* @returns {URL}
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*/
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function tryParse(str) {
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try {
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return new URL(str);
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} catch (e) {
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return null;
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}
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}
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module.exports = function parseConnectionString(str) {
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const parsed = tryParse(str);
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const isDriveLetter = isWindows && parsed && parsed.protocol.length === 2;
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if (!parsed || isDriveLetter) {
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return {
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client: 'sqlite3',
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connection: {
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filename: str,
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},
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};
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}
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let { protocol } = parsed;
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if (protocol.slice(-1) === ':') {
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protocol = protocol.slice(0, -1);
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}
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const isPG = ['postgresql', 'postgres'].includes(protocol);
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return {
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client: protocol,
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connection: isPG ? parsePG(str) : connectionObject(parsed),
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};
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};
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/**
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* @param {URL} parsed
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* @returns {{}}
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*/
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function connectionObject(parsed) {
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const connection = {};
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let db = parsed.pathname;
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if (db[0] === '/') {
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db = db.slice(1);
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}
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connection.database = db;
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if (parsed.hostname) {
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if (parsed.protocol.indexOf('mssql') === 0) {
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connection.server = parsed.hostname;
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} else {
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connection.host = parsed.hostname;
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}
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}
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if (parsed.port) {
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connection.port = parsed.port;
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}
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if (parsed.username || parsed.password) {
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connection.user = decodeURIComponent(parsed.username);
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}
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if (parsed.password) {
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connection.password = decodeURIComponent(parsed.password);
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}
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if (parsed.searchParams) {
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for (const [key, value] of parsed.searchParams.entries()) {
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const isNestedConfigSupported = ['mysql:', 'mariadb:', 'mssql:'].includes(
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parsed.protocol
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);
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if (isNestedConfigSupported) {
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try {
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connection[key] = JSON.parse(value);
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} catch (err) {
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connection[key] = value;
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}
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} else {
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connection[key] = value;
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}
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}
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}
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return connection;
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}
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