deep-values
Version:
deepValues capture version of Object.values and deepFilter
58 lines • 7.29 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
/**
* deep return all primative values of an object
*
* @param {any} source can be anything, including primatives, object or array
* @param {any[] = new Array() } stack optional array to track all objects we processed
* @return {any[]} array of values
*/
function deepValues(source, stack) {
if (stack === void 0) { stack = new Array(); }
var result = [], values = source, sourceType = source === null ? 'null' : typeof source;
if ((source && source.window === source) || stack.includes(source)) {
sourceType = 'cyclic';
}
else if (Array.isArray(source) || source instanceof Array) {
sourceType = 'array';
}
stack.push(source);
switch (sourceType) {
case 'string':
case 'number':
case 'bigint':
case 'boolean':
// simply return known primitives
result.push(source);
break;
// @ts-ignore TS2445
case 'object':
// convert object to array
values = Object.values(source);
case 'array':
// deepValues all
values.forEach(function (v) { return (result = result.concat(deepValues(v, stack))); });
break;
default:
// else, ignore all example: null, undefined, function, symbol
break;
}
return result;
}
/**
* helper method to deep filtering an array
* this basically short-cutting the usage of deepValues
*
* @param {T[] | T[]} source array of specific type
* @param {(any, number, any[]) => boolean } valueFilterFn predicate filtering on the Object primative values
* @return {T[]} items matching filter in array
*/
function deepFilter(source, valueFilterFn) {
if ((Array.isArray(source) || source instanceof Array)) {
return source.filter(function (item) { return deepValues(item, [source]).some(valueFilterFn); });
}
var myArray = Object.values(source);
return myArray.filter(function (item) { return deepValues(item, [source, myArray]).some(valueFilterFn); });
}
exports.default = { deepValues: deepValues, deepFilter: deepFilter };
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xuZXhwb3J0IGRlZmF1bHQgeyBkZWVwVmFsdWVzLCBkZWVwRmlsdGVyIH07XG4iXX0=