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JavaScript

'use strict';
var Raw = require('./raw');
var warn = require('./helpers').warn;
var Client = require('./client');
var makeClient = require('./util/make-client');
var makeKnex = require('./util/make-knex');
var parseConnection = require('./util/parse-connection');
var assign = require('lodash/object/assign');
function Knex(config) {
if (typeof config === 'string') {
return new Knex(assign(parseConnection(config), arguments[2]));
}
var Dialect;
if (arguments.length === 0 || !config.client && !config.dialect) {
Dialect = makeClient(Client);
} else {
var clientName = config.client || config.dialect;
Dialect = makeClient(require('./dialects/' + (aliases[clientName] || clientName) + '/index.js'));
}
if (typeof config.connection === 'string') {
config = assign({}, config, { connection: parseConnection(config.connection).connection });
}
return makeKnex(new Dialect(config));
}
// Expose Client on the main Knex namespace.
Knex.Client = Client;
// Run a "raw" query, though we can't do anything with it other than put
// it in a query statement.
Knex.raw = function (sql, bindings) {
return new Raw({}).set(sql, bindings);
};
// Create a new "knex" instance with the appropriate configured client.
Knex.initialize = function (config) {
warn('knex.initialize is deprecated, pass your config object directly to the knex module');
return new Knex(config);
};
// Bluebird
Knex.Promise = require('./promise');
// The client names we'll allow in the `{name: lib}` pairing.
var aliases = {
'mariadb': 'maria',
'mariasql': 'maria',
'pg': 'postgres',
'postgresql': 'postgres',
'sqlite': 'sqlite3'
};
// Doing this ensures Browserify works. Still need to figure out
// the best way to do some of this.
if (process.browser) {
require('./dialects/websql/index.js');
}
module.exports = Knex;