Initial commit

node_modules/knex/lib/knex-builder/internal/parse-connection.js

@@ -0,0 +1,87 @@
+const { parse } = require('pg-connection-string');
+const parsePG = parse;
+const isWindows = process && process.platform && process.platform === 'win32';
+
+/**
+ * @param str
+ * @returns {URL}
+ */
+function tryParse(str) {
+  try {
+    return new URL(str);
+  } catch (e) {
+    return null;
+  }
+}
+
+module.exports = function parseConnectionString(str) {
+  const parsed = tryParse(str);
+  const isDriveLetter = isWindows && parsed && parsed.protocol.length === 2;
+  if (!parsed || isDriveLetter) {
+    return {
+      client: 'sqlite3',
+      connection: {
+        filename: str,
+      },
+    };
+  }
+  let { protocol } = parsed;
+  if (protocol.slice(-1) === ':') {
+    protocol = protocol.slice(0, -1);
+  }
+
+  const isPG = ['postgresql', 'postgres'].includes(protocol);
+
+  return {
+    client: protocol,
+    connection: isPG ? parsePG(str) : connectionObject(parsed),
+  };
+};
+
+/**
+ * @param {URL} parsed
+ * @returns {{}}
+ */
+function connectionObject(parsed) {
+  const connection = {};
+  let db = parsed.pathname;
+  if (db[0] === '/') {
+    db = db.slice(1);
+  }
+
+  connection.database = db;
+
+  if (parsed.hostname) {
+    if (parsed.protocol.indexOf('mssql') === 0) {
+      connection.server = parsed.hostname;
+    } else {
+      connection.host = parsed.hostname;
+    }
+  }
+  if (parsed.port) {
+    connection.port = parsed.port;
+  }
+  if (parsed.username || parsed.password) {
+    connection.user = decodeURIComponent(parsed.username);
+  }
+  if (parsed.password) {
+    connection.password = decodeURIComponent(parsed.password);
+  }
+  if (parsed.searchParams) {
+    for (const [key, value] of parsed.searchParams.entries()) {
+      const isNestedConfigSupported = ['mysql:', 'mariadb:', 'mssql:'].includes(
+        parsed.protocol
+      );
+      if (isNestedConfigSupported) {
+        try {
+          connection[key] = JSON.parse(value);
+        } catch (err) {
+          connection[key] = value;
+        }
+      } else {
+        connection[key] = value;
+      }
+    }
+  }
+  return connection;
+}