Press n or j to go to the next uncovered block, b, p or k for the previous block.
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* @license Apache-2.0
*
* Copyright (c) 2024 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.
*/
'use strict';
// MODULES //
var isPlainObject = require( '@stdlib/assert/is-plain-object' );
var isArray = require( '@stdlib/assert/is-array' );
var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
var isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
var hasOwnProp = require( '@stdlib/assert/has-own-property' );
var format = require( '@stdlib/string/format' );
var ACTIONS = require( './actions.js' );
// VARIABLES //
var KEY_BOOLEAN_PROPS = [ 'ctrl', 'shift', 'meta' ];
// FUNCTIONS //
/**
* Validates a key object.
*
* @private
* @param {Object} obj - key object
* @returns {(Error|null)} error or null
*/
function validateKey( obj ) {
var prop;
var i;
if ( !hasOwnProp( obj, 'name' ) ) {
return new TypeError( format( 'invalid option. Each key object must have a `name` property. Value: `%s`.', obj ) );
}
if ( !isString( obj[ 'name' ] ) ) {
return new TypeError( format( 'invalid option. Each key object\'s `name` property must be a string. Value: `%s`.', obj ) );
}
for ( i = 0; i < KEY_BOOLEAN_PROPS.length; i++ ) {
prop = KEY_BOOLEAN_PROPS[ i ];
if ( hasOwnProp( obj, prop ) ) {
if ( !isBoolean( obj[ prop ] ) ) {
return new TypeError( format( 'invalid option. Each key object\'s `%s` property must be a boolean. Value: `%s`.', prop, obj ) );
}
}
}
return null;
}
// MAIN //
/**
* Validates keybindings.
*
* @private
* @param {Object} opts - destination object
* @param {Object} options - settings options
* @returns {(Error|null)} error or null
*/
function validate( opts, options ) {
var list;
var out;
var err;
var i;
var j;
var o;
if ( !isPlainObject( options ) ) {
return new TypeError( format( 'invalid argument. Options argument must be an object. Value: `%s`.', options ) );
}
for ( i = 0; i < ACTIONS.length; i++ ) {
if ( hasOwnProp( options, ACTIONS[ i ] ) ) {
list = options[ ACTIONS[ i ] ];
if ( !isArray( list ) ) {
return new TypeError( format( 'invalid option. Each action must be an array of objects. Value: `%s`.', list ) );
}
out = [];
for ( j = 0; j < list.length; j++ ) {
o = list[ j ];
if ( !isPlainObject( o ) ) {
return new TypeError( format( 'invalid option. Each action must be an array of objects. Value: `%s`.', list ) );
}
err = validateKey( o );
if ( err ) {
return err;
}
out.push({
'name': o.name,
'ctrl': o.ctrl || false,
'shift': o.shift || false,
'meta': o.meta || false
});
}
opts[ ACTIONS[ i ] ] = out;
}
}
return null;
}
// EXPORTS //
module.exports = validate;
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