42 lines
876 B
JavaScript
42 lines
876 B
JavaScript
|
/**
|
||
|
|
* Does the current object have different keys or values compared to the previous version?
|
||
|
|
*
|
||
|
|
* @param {object} previous
|
||
|
|
* @param {object} current
|
||
|
|
*
|
||
|
|
* @returns {boolean}
|
||
|
|
*/
|
||
|
|
export function objectsDiffer( [previous, current] ) {
|
||
|
|
if ( !previous || !current ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Any difference in keys?
|
||
|
|
const prevKeys = Object.keys( previous );
|
||
|
|
const currKeys = Object.keys( current );
|
||
|
|
|
||
|
|
if ( prevKeys.length !== currKeys.length ) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Symmetrical diff to find extra keys in either object.
|
||
|
|
if (
|
||
|
|
prevKeys.filter( x => !currKeys.includes( x ) )
|
||
|
|
.concat(
|
||
|
|
currKeys.filter( x => !prevKeys.includes( x ) )
|
||
|
|
)
|
||
|
|
.length > 0
|
||
|
|
) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Any difference in values?
|
||
|
|
for ( const key in previous ) {
|
||
|
|
if ( JSON.stringify( current[ key ] ) !== JSON.stringify( previous[ key ] ) ) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|