⚡ Arrays otherness
Get and handle a matching, missing and excess items of an array based on target array
.
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Install
npm i arrays-otherness
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Usage
arraysOtherness<T>(
// Array for checking
currentArray: T[],
// Etalon array
targetArray: T[],
// Function of matching arrays items
matchFn: (res) => boolean
): {
// Execute callback if items in two arrays
match: (callback: (res) => void) => this,
// Execute callback if target item missing in current array
missing: (callback: (res) => void) => this,
// Execute callback if current item is excess in target array
excess: (callback: (res) => void) => this,
}
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Example
const arraysOtherness = require('arrays-otherness');
const currentArray = [
{ id: 1, name: 'John' },
{ id: 2, name: 'Sam' },
{ id: 3, name: 'Nick' },
];
const targetArray = [
{ id: 1, name: 'Jonny' },
{ id: 3, name: 'Nick' },
{ id: 4, name: 'Lisa' },
{ id: 5, name: 'Frank' },
];
arraysOtherness(currentArray, targetArray, ({ current, target }) => (current.id === target.id))
.match(({ target, current }) => {
console.log('matched =', target, 'and', current);
})
.missing(({ target }) => {
console.log('to create =', target);
})
.excess(({ current }) => {
console.log('to delele =', current);
});