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* WikiLambda Vue editor: typeUtils mixin
* Mixin with util functions to handle types and initial values.
*
* @copyright 2020– Abstract Wikipedia team; see AUTHORS.txt
* @license MIT
*/
'use strict';
var Constants = require( '../Constants.js' ),
typeUtils = {
methods: {
/**
* Gets the key type given its initial value.
*
* @param {Object|Array|string} value
* @return {string}
*/
getZObjectType: function ( value ) {
if ( !value ) {
return Constants.Z_STRING;
} else if ( typeof ( value ) === 'object' ) {
if ( Array.isArray( value ) ) {
return Constants.Z_TYPED_LIST;
} else if ( Constants.Z_OBJECT_TYPE in value ) {
return value[ Constants.Z_OBJECT_TYPE ];
} else {
return Constants.Z_OBJECT;
}
} else {
if ( value.match( /^Z\d+$/ ) ) {
return Constants.Z_REFERENCE;
} else {
return Constants.Z_STRING;
}
}
},
/**
* Find a specific Key within an array of object
*
* @param {string} key
* @param {Array} array
* @return {Object}
*/
findKeyInArray: function ( key, array ) {
// Exit early if we got a false, a non-array, or an empty array
if ( !key || !array || !Array.isArray( array ) || array.length === 0 ) {
return false;
}
if ( Array.isArray( key ) ) {
return key.map( function ( k ) {
return typeUtils.methods.findKeyInArray( k, array );
} )
.filter( function ( filterResult ) {
return !!filterResult;
} )[ 0 ] || false;
} else {
var result = array.filter( function ( item ) {
return item.key === key;
} );
if ( result.length === 0 ) {
return false;
} else {
return result[ 0 ];
}
}
},
/**
* Validate if a string is a valid Zid
*
* @param {string} zid
* @return {boolean}
*/
isValidZidFormat: function ( zid ) {
return /^Z\d+$/.test( zid );
},
/**
* Validate if a string is a valid global Key
*
* @param {string} key
* @return {boolean}
*/
isGlobalKey: function ( key ) {
return /^Z\d+K\d+$/.test( key );
},
/**
* Get the Zid part of a global Key
*
* @param {string} key
* @return {string}
*/
getZidOfGlobalKey: function ( key ) {
return key.split( 'K' )[ 0 ];
},
/**
* Get the Z3/Key object given a key string
* from a list of Z3/Key items
*
* @param {string} key
* @param {Array} list
* @return {Object}
*/
getKeyFromKeyList: function ( key, list ) {
return list.find( function ( item ) {
return ( item[ Constants.Z_KEY_ID ] === key );
} );
},
/**
* Get the Z17/Argument object given a key string
* from a list of Z17/Argument items
*
* @param {string} key
* @param {Array} list
* @return {Object}
*/
getArgFromArgList: function ( key, list ) {
return list.find( function ( item ) {
return ( item[ Constants.Z_ARGUMENT_KEY ] === key );
} );
},
zObjectToString: function ( zObject ) {
if ( typeof zObject === 'undefined' ) {
return '';
}
if ( typeof zObject === 'string' ) {
return zObject;
} else if ( Array.isArray( zObject ) ) {
return '[ ' + zObject.map( typeUtils.methods.zObjectToString ).join( ', ' ) + ' ]';
} else {
switch ( zObject.Z1K1 ) {
case Constants.Z_BOOLEAN:
return zObject[ Constants.Z_BOOLEAN_IDENTITY ] === Constants.Z_BOOLEAN_TRUE;
default:
return JSON.stringify( zObject );
}
}
},
typedListToArray( typedList, array ) {
array = array || [];
for ( var item in typedList ) {
if ( item === Constants.Z_TYPED_OBJECT_ELEMENT_1 ) {
array.push( typedList[ item ] );
} else if ( item === Constants.Z_TYPED_OBJECT_ELEMENT_2 ) {
typeUtils.methods.typedListToArray( typedList[ item ], array );
}
}
return array;
},
isFunctionItemAttached( item, attachedItems ) {
return attachedItems.indexOf( item ) > -1;
},
/**
* Transform the value of a Z1K1 key (object type) to a string.
* When the type is a reference, return the Zid of the referred type.
* When the type is a literal, return the stringified value of Z4K1.
* When the type is a function call, return the function ID and the arguments in
* brackets.
*
* @param {Object|string} type
* @return {string}
*/
typeToString: function ( type ) {
if ( typeof type === 'string' ) {
return type;
} else {
const mode = typeUtils.methods.typeToString( type[ Constants.Z_OBJECT_TYPE ] );
let typeString;
switch ( mode ) {
case Constants.Z_REFERENCE:
typeString = type[ Constants.Z_REFERENCE_ID ];
break;
case Constants.Z_FUNCTION_CALL:
typeString = type[ Constants.Z_FUNCTION_CALL_FUNCTION ];
break;
case Constants.Z_TYPE:
typeString = type[ Constants.Z_TYPE_IDENTITY ];
break;
case Constants.Z_ARGUMENT_REFERENCE:
typeString = type[ Constants.Z_ARGUMENT_REFERENCE_KEY ];
break;
default:
typeString = undefined;
}
return ( typeof typeString === 'object' ) ?
typeUtils.methods.typeToString( typeString ) :
typeString;
}
},
/**
* Return the empty structure of builtin types that we will
* create when creating these types in the interface.
*
* The way these scaffoldings are created also determines whether
* certain sub-types are initiated as literals or as references
* (E.g. Z11K1, monolingual language, is preferred as a reference
* to a Z60 than as a literal, so when creating the scaffolding
* we give the structure of an empty reference)
*
* FIXME: Once we deprecate the old code from changeType, getScaffolding
* should not return undefined, but have the Empty object (Z1) return as
* default case.
*
* @param {string} type
* @return {Object|Array}
*/
getScaffolding: function ( type ) {
switch ( type ) {
case Constants.Z_OBJECT:
// Empty object:
// {
// Z1K1: { Z1K1: Z9, Z9K1: '' }
// }
return {
[ Constants.Z_OBJECT_TYPE ]: {
[ Constants.Z_OBJECT_TYPE ]: Constants.Z_REFERENCE,
[ Constants.Z_REFERENCE_ID ]: ''
}
};
case Constants.Z_MONOLINGUALSTRING:
// Empty monolingual string:
// {
// Z1K1: Z11
// Z11K1: { Z1K1: Z9, Z9K1: '' }
// Z11K2: { Z1K1: Z6, Z6K1: '' }
// }
return {
[ Constants.Z_OBJECT_TYPE ]: Constants.Z_MONOLINGUALSTRING,
[ Constants.Z_MONOLINGUALSTRING_LANGUAGE ]: {
[ Constants.Z_OBJECT_TYPE ]: Constants.Z_REFERENCE,
[ Constants.Z_REFERENCE_ID ]: ''
},
[ Constants.Z_MONOLINGUALSTRING_VALUE ]: {
[ Constants.Z_OBJECT_TYPE ]: Constants.Z_STRING,
[ Constants.Z_STRING_VALUE ]: ''
}
};
default:
return undefined;
}
}
}
};
module.exports = typeUtils;
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