102 lines
2.0 KiB
TypeScript
102 lines
2.0 KiB
TypeScript
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import { groupBy as _groupBy, difference as _difference } from 'underscore';
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const arrayMoveMutate = (array: any[], from: number, to: number) =>
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{
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const startIndex = to < 0 ? array.length + to : to;
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const item = array.splice(from, 1)[0];
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array.splice(startIndex, 0, item);
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};
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/**
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* Move an item in an array
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* @returns {any[]} Modified array
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*/
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export function arrayMove(array: any[], from: number, to: number): any[]
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{
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array = array.slice();
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arrayMoveMutate(array, from, to);
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return array;
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}
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/**
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* Replaces an item in an array
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* @returns {number} Index where the item was replaced
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*/
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export function arrayReplace(array: any[], origin: any, target: any): number
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{
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const index = array.indexOf(origin);
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if (index < 0)
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{
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return index;
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}
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array.splice(index, 1);
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array.splice(index, 0, target);
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return index;
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};
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/**
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* Removes an item from an array
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* @returns {number} Index where the item has been removed
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*/
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export function arrayRemove(array: any[], value: any): number
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{
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const index = array.indexOf(value);
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if (index < 0)
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{
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return;
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}
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array.splice(index, 1);
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return index;
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}
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/**
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* Groups an array by a property key
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* @returns {any} Array groups
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*/
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export function arrayGroupBy(array: any[], key: string): any
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{
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return _groupBy(array, key);
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}
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/**
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* Converts an object path to an array of path parts
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* @returns {string[]} Object paths as array
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*/
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export function selectorToArray(selector: string): string[]
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{
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if (!selector)
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{
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return [];
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}
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selector = selector.replace(/\[(\w+)\]/g, '.$1');
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selector = selector.replace(/^\./, '');
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return selector.split('.');
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};
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/**
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* Removes duplicate items from an array
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* @returns {any[]} Unique array
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*/
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export function arrayUnique(array: any[]): any[]
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{
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return [...new Set(array)];
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}
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/**
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* Returns the different items from two arrays
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* @returns {any[]} Difference
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*/
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export function arrayDifference(array: any[], other: any[]): any[]
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{
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return _difference(array, other);
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} |