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Code Issues Packages Projects Releases Wiki Activity

fix: check for function type (#8064)

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This commit is contained in:
Parbez
2022-06-11 00:51:45 +05:30
committed by GitHub
parent 9c8b3102ce
commit 3bb9c0e5c3
1 changed files with 14 additions and 0 deletions
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14
packages/collection/src/index.ts
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@@ -1,3 +1,4 @@
/* eslint-disable @typescript-eslint/restrict-template-expressions */
/**
* @internal
*/
@@ -40,6 +41,7 @@ export class Collection<K, V> extends Map<K, V> {
*/
public ensure(key: K, defaultValueGenerator: (key: K, collection: this) => V): V {
if (this.has(key)) return this.get(key)!;
if (typeof defaultValueGenerator !== 'function') throw new TypeError(`${defaultValueGenerator} is not a function.`);
const defaultValue = defaultValueGenerator(key, this);
this.set(key, defaultValue);
return defaultValue;
@@ -238,6 +240,7 @@ export class Collection<K, V> extends Map<K, V> {
): V2 | undefined;
public find<This>(fn: (this: This, value: V, key: K, collection: this) => boolean, thisArg: This): V | undefined;
public find(fn: (value: V, key: K, collection: this) => boolean, thisArg?: unknown): V | undefined {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
for (const [key, val] of this) {
if (fn(val, key, this)) return val;
@@ -264,6 +267,7 @@ export class Collection<K, V> extends Map<K, V> {
): K2 | undefined;
public findKey<This>(fn: (this: This, value: V, key: K, collection: this) => boolean, thisArg: This): K | undefined;
public findKey(fn: (value: V, key: K, collection: this) => boolean, thisArg?: unknown): K | undefined {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
for (const [key, val] of this) {
if (fn(val, key, this)) return key;
@@ -282,6 +286,7 @@ export class Collection<K, V> extends Map<K, V> {
public sweep(fn: (value: V, key: K, collection: this) => boolean): number;
public sweep<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): number;
public sweep(fn: (value: V, key: K, collection: this) => boolean, thisArg?: unknown): number {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
const previousSize = this.size;
for (const [key, val] of this) {
@@ -314,6 +319,7 @@ export class Collection<K, V> extends Map<K, V> {
): Collection<K, V2>;
public filter<This>(fn: (this: This, value: V, key: K, collection: this) => boolean, thisArg: This): Collection<K, V>;
public filter(fn: (value: V, key: K, collection: this) => boolean, thisArg?: unknown): Collection<K, V> {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
const results = new this.constructor[Symbol.species]<K, V>();
for (const [key, val] of this) {
@@ -355,6 +361,7 @@ export class Collection<K, V> extends Map<K, V> {
fn: (value: V, key: K, collection: this) => boolean,
thisArg?: unknown,
): [Collection<K, V>, Collection<K, V>] {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
const results: [Collection<K, V>, Collection<K, V>] = [
new this.constructor[Symbol.species]<K, V>(),
@@ -403,6 +410,7 @@ export class Collection<K, V> extends Map<K, V> {
public map<T>(fn: (value: V, key: K, collection: this) => T): T[];
public map<This, T>(fn: (this: This, value: V, key: K, collection: this) => T, thisArg: This): T[];
public map<T>(fn: (value: V, key: K, collection: this) => T, thisArg?: unknown): T[] {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
const iter = this.entries();
return Array.from({ length: this.size }, (): T => {
@@ -426,6 +434,7 @@ export class Collection<K, V> extends Map<K, V> {
public mapValues<T>(fn: (value: V, key: K, collection: this) => T): Collection<K, T>;
public mapValues<This, T>(fn: (this: This, value: V, key: K, collection: this) => T, thisArg: This): Collection<K, T>;
public mapValues<T>(fn: (value: V, key: K, collection: this) => T, thisArg?: unknown): Collection<K, T> {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
const coll = new this.constructor[Symbol.species]<K, T>();
for (const [key, val] of this) coll.set(key, fn(val, key, this));
@@ -445,6 +454,7 @@ export class Collection<K, V> extends Map<K, V> {
public some(fn: (value: V, key: K, collection: this) => boolean): boolean;
public some<T>(fn: (this: T, value: V, key: K, collection: this) => boolean, thisArg: T): boolean;
public some(fn: (value: V, key: K, collection: this) => boolean, thisArg?: unknown): boolean {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
for (const [key, val] of this) {
if (fn(val, key, this)) return true;
@@ -475,6 +485,7 @@ export class Collection<K, V> extends Map<K, V> {
): this is Collection<K, V2>;
public every<This>(fn: (this: This, value: V, key: K, collection: this) => boolean, thisArg: This): boolean;
public every(fn: (value: V, key: K, collection: this) => boolean, thisArg?: unknown): boolean {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
for (const [key, val] of this) {
if (!fn(val, key, this)) return false;
@@ -494,6 +505,7 @@ export class Collection<K, V> extends Map<K, V> {
* collection.reduce((acc, guild) => acc + guild.memberCount, 0);
*/
public reduce<T>(fn: (accumulator: T, value: V, key: K, collection: this) => T, initialValue?: T): T {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
let accumulator!: T;
if (typeof initialValue !== 'undefined') {
@@ -536,6 +548,7 @@ export class Collection<K, V> extends Map<K, V> {
public each(fn: (value: V, key: K, collection: this) => void): this;
public each<T>(fn: (this: T, value: V, key: K, collection: this) => void, thisArg: T): this;
public each(fn: (value: V, key: K, collection: this) => void, thisArg?: unknown): this {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
this.forEach(fn as (value: V, key: K, map: Map<K, V>) => void, thisArg);
return this;
}
@@ -555,6 +568,7 @@ export class Collection<K, V> extends Map<K, V> {
public tap(fn: (collection: this) => void): this;
public tap<T>(fn: (this: T, collection: this) => void, thisArg: T): this;
public tap(fn: (collection: this) => void, thisArg?: unknown): this {
if (typeof fn !== 'function') throw new TypeError(`${fn} is not a function`);
if (typeof thisArg !== 'undefined') fn = fn.bind(thisArg);
fn(this);
return this;