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refactor: update solution with sorting via object to lc problem: No.2722 #2847

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May 20, 2024
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refactor: update solution with sorting via object to lc problem: No.2722 #2847

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04fd6ae
refactor: update solution with sorting via object to lc problem: No.2722
rain84 May 19, 2024
875e456
style: format code and docs with prettier
rain84 May 19, 2024
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refactor: update solution with sorting via object to lc problem: No.2722
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@rain84
rain84 committed May 19, 2024
commit 04fd6ae945c2c7fb44766fd8e2d9800fcb70d6fa
31 changes: 19 additions & 12 deletions solution/2700-2799/2722.Join Two Arrays by ID/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -109,18 +109,25 @@ arr2 = [
#### TypeScript

```ts
function join(arr1: any[], arr2: any[]): any[] {
const d = new Map(arr1.map(x => [x.id, x]));
arr2.forEach(x => {
if (d.has(x.id)) {
d.set(x.id, { ...d.get(x.id), ...x });
} else {
d.set(x.id, x);
}
});
return [...d.values()].sort((a, b) => a.id - b.id);
}
```
function join(arr1: ArrayType[], arr2: ArrayType[]): ArrayType[] {
const r = (acc: Obj, x: ArrayType): Obj => ((acc[x.id] = x), acc)
const d = arr1.reduce(r, {})

arr2.forEach((x) => {
if (d[x.id]) {
Object.assign(d[x.id], x)
} else {
d[x.id] = x
}
})
return Object.values(d)
}

type JSONValue = null | boolean | number | string | JSONValue[] | { [key: string]: JSONValue }
type ArrayType = { id: number } & Record<string, JSONValue>

type Obj = Record<number, ArrayType>
```

<!-- tabs:end -->

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31 changes: 19 additions & 12 deletions solution/2700-2799/2722.Join Two Arrays by ID/README_EN.md
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Expand Up @@ -107,18 +107,25 @@ arr2 = [
#### TypeScript

```ts
function join(arr1: any[], arr2: any[]): any[] {
const d = new Map(arr1.map(x => [x.id, x]));
arr2.forEach(x => {
if (d.has(x.id)) {
d.set(x.id, { ...d.get(x.id), ...x });
} else {
d.set(x.id, x);
}
});
return [...d.values()].sort((a, b) => a.id - b.id);
}
```
function join(arr1: ArrayType[], arr2: ArrayType[]): ArrayType[] {
const r = (acc: Obj, x: ArrayType): Obj => ((acc[x.id] = x), acc)
const d = arr1.reduce(r, {})

arr2.forEach((x) => {
if (d[x.id]) {
Object.assign(d[x.id], x)
} else {
d[x.id] = x
}
})
return Object.values(d)
}

type JSONValue = null | boolean | number | string | JSONValue[] | { [key: string]: JSONValue }
type ArrayType = { id: number } & Record<string, JSONValue>

type Obj = Record<number, ArrayType>
```

<!-- tabs:end -->

Expand Down
30 changes: 19 additions & 11 deletions solution/2700-2799/2722.Join Two Arrays by ID/Solution.ts
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Original file line number Diff line number Diff line change
@@ -1,11 +1,19 @@
function join(arr1: any[], arr2: any[]): any[] {
const d = new Map(arr1.map(x => [x.id, x]));
arr2.forEach(x => {
if (d.has(x.id)) {
d.set(x.id, { ...d.get(x.id), ...x });
} else {
d.set(x.id, x);
}
});
return [...d.values()].sort((a, b) => a.id - b.id);
}
function join(arr1: ArrayType[], arr2: ArrayType[]): ArrayType[] {
const r = (acc: Obj, x: ArrayType): Obj => ((acc[x.id] = x), acc)
const d = arr1.reduce(r, {})

arr2.forEach((x) => {
if (d[x.id]) {
Object.assign(d[x.id], x)
} else {
d[x.id] = x
}
})
return Object.values(d)
}

type JSONValue = null | boolean | number | string | JSONValue[] | { [key: string]: JSONValue }
type ArrayType = { id: number } & Record<string, JSONValue>

type Obj = Record<number, ArrayType>

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