mirror of
https://github.com/datahub-project/datahub.git
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843a6c5bbb
* Releases updated version of datahub-web client UI code * Fix typo in yarn lock * Change yarn lock to match yarn registry directories * Previous commit missed some paths * Even more changes to yarnlock missing in previous commit * Include codegen file for typings * Add files to get parity for datahub-web and current OS datahub-midtier * Add in typo fix from previous commit - change to proper license * Implement proper OS fix for person entity picture url * Workarounds for open source DH issues * Fixes institutional memory api and removes unopensourced tabs for datasets * Fixes search dataset deprecation and user search issue as a result of changes * Remove internal only options in the avatar menu
70 lines
2.4 KiB
TypeScript
70 lines
2.4 KiB
TypeScript
import { arrayReduce } from '@datahub/utils/array/index';
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import { isObject } from '@datahub/utils/validators/object';
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/**
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* Aliases the exclusion / diff conditional type that specifies that an object
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* contains properties from T, that are not in K
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* From T pick a set of properties that are not in K
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* @alias
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*/
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export type Omit<T, K> = Pick<T, Exclude<keyof T, K>>;
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/**
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* Aliases a record with properties of type keyof T and null values
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* Make all values in T null
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* @template T type to nullify
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* @alias
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*/
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export type Nullify<T> = Record<keyof T, null>;
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/**
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* Checks that an object has it own enumerable props
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* @param {any} object the object to the be tested
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*/
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export const hasEnumerableKeys = (object: object | unknown): boolean =>
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Boolean(isObject(object) && Object.keys(object).length);
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/**
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* Non mutative object attribute deletion. Removes the specified keys from a copy of the object and returns the copy.
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* @template T the object type to drop keys from
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* @template K the keys to be dropped from the object
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* @param {T} o
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* @param {Array<K extends keyof T>} droppedKeys
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* @return {Pick<T, Exclude<keyof T, K extends keyof T>>}
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*/
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export const omit = <T, K extends keyof T>(o: T, droppedKeys: Array<K>): Omit<T, K> => {
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const partialResult = Object.assign({}, o);
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return arrayReduce((partial: T, key: K) => {
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delete partial[key];
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return partial;
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}, partialResult)(droppedKeys);
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};
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/**
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* Extracts keys from a source to a new object
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* @template T the object to select keys from
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* @param {T} o the source object
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* @param {Array<K extends keyof T>} pickedKeys
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* @return {Select<T extends object, K extends keyof T>}
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*/
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export const pick = <T, K extends keyof T>(o: T, pickedKeys: Array<K>): Pick<T, K> =>
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arrayReduce(
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(partial: T, key: K): Pick<T, K> =>
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pickedKeys.includes(key) ? Object.assign(partial, { [key]: o[key] }) : partial,
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{} as T
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)(pickedKeys);
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/**
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* Creates an object of type T with a set of properties of type null
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* @template T the type of the source object
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* @template K union of literal types of properties
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* @param {T} o instance of T to be set to null
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* @returns {Nullify<T>}
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*/
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export const nullify = <T, K extends keyof T>(o: T): Nullify<T> => {
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const nullObj = {} as Nullify<T>;
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const keys = Object.keys(o) as Array<K>;
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return arrayReduce((nullObj, key: K) => Object.assign(nullObj, { [key]: null }), nullObj)(keys);
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};
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