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swashata/dict.ts

Created December 24, 2019 01:31
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A small dictionary in typescript
Raw
dict.ts
export type Dictionary<T> = {
[x: string]: T;
};
export function convertListToDictionary<T extends { id: string }>(
items: T[]
): Dictionary<T> {
const dict: Dictionary<T> = {};
items.forEach(item => {
dict[item.id] = item;
});
return dict;
}
export function convertDictionaryToList<T extends { id: string }>(
dict: Dictionary<T>
): T[] {
return Object.keys(dict).map(key => dict[key]);
}
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