tornado-packages/ethers.js
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Simply typing for properties module.

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This commit is contained in:
Richard Moore 2020-05-29 21:15:17 -04:00
parent e5a1b4d5cb
commit 41e66ab834
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1 changed files with 5 additions and 9 deletions
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14
packages/properties/src.ts/index.ts
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@ -22,17 +22,13 @@ export function getStatic<T>(ctor: any, key: string): T {
return null; return null;
} }
export type Similar<T> = {
[P in keyof T]: T[P];
}
export type Resolvable<T> = { export type Resolvable<T> = {
[P in keyof T]: T[P] | Promise<T[P]>; [P in keyof T]: T[P] | Promise<T[P]>;
} }
type Result = { key: string, value: any}; type Result = { key: string, value: any};
export async function resolveProperties<T>(object: Readonly<Resolvable<T>>): Promise<Similar<T>> { export async function resolveProperties<T>(object: Readonly<Resolvable<T>>): Promise<T> {
const promises: Array<Promise<Result>> = Object.keys(object).map((key) => { const promises: Array<Promise<Result>> = Object.keys(object).map((key) => {
const value = object[<keyof Resolvable<T>>key]; const value = object[<keyof Resolvable<T>>key];
return Promise.resolve(value).then((v) => ({ key: key, value: v })); return Promise.resolve(value).then((v) => ({ key: key, value: v }));
@ -41,9 +37,9 @@ export async function resolveProperties<T>(object: Readonly<Resolvable<T>>): Pro
const results = await Promise.all(promises); const results = await Promise.all(promises);
return results.reduce((accum, result) => { return results.reduce((accum, result) => {
accum[<keyof Similar<T>>(result.key)] = result.value; accum[<keyof T>(result.key)] = result.value;
return accum; return accum;
}, <Similar<T>>{ }); }, <T>{ });
} }
export function checkProperties(object: any, properties: { [ name: string ]: boolean }): void { export function checkProperties(object: any, properties: { [ name: string ]: boolean }): void {
@ -58,7 +54,7 @@ export function checkProperties(object: any, properties: { [ name: string ]: boo
}); });
} }
export function shallowCopy<T>(object: T): Similar<T> { export function shallowCopy<T>(object: T): T {
const result: any = {}; const result: any = {};
for (const key in object) { result[key] = object[key]; } for (const key in object) { result[key] = object[key]; }
return result; return result;
@ -110,7 +106,7 @@ function _deepCopy(object: any): any {
return logger.throwArgumentError(`Cannot deepCopy ${ typeof(object) }`, "object", object); return logger.throwArgumentError(`Cannot deepCopy ${ typeof(object) }`, "object", object);
} }
export function deepCopy<T>(object: T): Similar<T> { export function deepCopy<T>(object: T): T {
return _deepCopy(object); return _deepCopy(object);
} }