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/**
* @license Apache-2.0
*
* Copyright (c) 2019 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* eslint-disable no-underscore-dangle */
'use strict';
// MODULES //
var logger = require( 'debug' );
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var isRegExp = require( '@stdlib/assert/is-regexp' );
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
var objectKeys = require( '@stdlib/utils/keys' );
// VARIABLES //
var debug = logger( 'repl:command:is_workspace' );
// MAIN //
/**
* Returns a callback to be invoked upon calling the `isWorkspace` command.
*
* @private
* @param {REPL} repl - REPL instance
* @returns {Function} callback
*/
function command( repl ) {
return onCommand;
/**
* Returns a boolean indicating whether a specified workspace exists.
*
* @private
* @param {(string|RegExp)} name - workspace name or regular expression
* @returns {(boolean|void)} boolean indicating whether a workspace exists
*/
function onCommand( name ) {
var isStr;
var keys;
var err;
var i;
isStr = isString( name );
if ( isStr === false && !isRegExp( name ) ) {
err = new TypeError( 'invalid argument. Must provide either a string or regular expression. Value: `'+name+'`.' );
debug( 'Error: %s', err.message );
repl._ostream.write( 'Error: '+err.message+'\n' );
return;
}
if ( isStr ) {
return hasOwnProp( repl._workspaces, name );
}
keys = objectKeys( repl._workspaces );
for ( i = 0; i < keys.length; i++ ) {
if ( name.test( keys[ i ] ) ) {
return true;
}
}
return false;
}
}
// EXPORTS //
module.exports = command;
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