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@jhampton
Last active February 8, 2018 18:18
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Deep JavaScript Object search with filtered keys and array support
/**
example:
const searchDown = getDeepValues(
['testId', 'caption', 'model', 'modelId'],
action.payload.memoizedProps,
['memoizedProps', 'props' ,'child', 'children']
);
const searchUp = getDeepValues(
['testId', 'caption', 'model'],
action.payload.return,
['memoizedProps', 'props']
);
*/
const getDeepValues = function(keysToMatch:Array<String>, objectToSearch: {}, propsToSearch:Array<string>): {} {
let keys = [...keysToMatch];
let result = {};
if (objectToSearch === null || (typeof objectToSearch !== 'object' && !isArray(objectToSearch))) {
return {};
}
keys.forEach( (o,i) => {
if (objectToSearch[o] !== undefined && !!objectToSearch[o]) {
result[o] = objectToSearch[o]; // Add to our result
keys.splice(i, 1); // Remove the item
}
});
// We're not done looking if we still have items to fill
if (keys.length) {
propsToSearch.forEach( (o,i) => {
if (typeof objectToSearch[o] === 'object' && objectToSearch[o] !== null) {
if (isArray(objectToSearch[o])) {
objectToSearch[o].forEach( j => {
let deepArraySearchResult = getDeepValues(keys, j, propsToSearch);
result = { ...deepArraySearchResult, ...result };
});
} else {
let deepSearchResult = getDeepValues(keys, objectToSearch[o], propsToSearch);
if (deepSearchResult) {
result = { ...deepSearchResult, ...result };
}
}
}
});
}
return result;
}
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