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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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19 changes: 13 additions & 6 deletions solution/2700-2799/2722.Join Two Arrays by ID/README.md
View file
Original file line number Diff line number Diff line change
@@ -109,17 +109,24 @@ arr2 = [
#### TypeScript

```ts
function join(arr1: any[], arr2: any[]): any[] {
const d = new Map(arr1.map(x => [x.id, x]));
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.has(x.id)) {
d.set(x.id, { ...d.get(x.id), ...x });
if (d[x.id]) {
Object.assign(d[x.id], x);
} else {
d.set(x.id, x);
d[x.id] = x;
}
});
return [...d.values()].sort((a, b) => a.id - b.id);
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 -->
19 changes: 13 additions & 6 deletions solution/2700-2799/2722.Join Two Arrays by ID/README_EN.md
View file
Original file line number Diff line number Diff line change
@@ -107,17 +107,24 @@ arr2 = [
#### TypeScript

```ts
function join(arr1: any[], arr2: any[]): any[] {
const d = new Map(arr1.map(x => [x.id, x]));
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.has(x.id)) {
d.set(x.id, { ...d.get(x.id), ...x });
if (d[x.id]) {
Object.assign(d[x.id], x);
} else {
d.set(x.id, x);
d[x.id] = x;
}
});
return [...d.values()].sort((a, b) => a.id - b.id);
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 -->
19 changes: 13 additions & 6 deletions solution/2700-2799/2722.Join Two Arrays by ID/Solution.ts
View file
Original file line number Diff line number Diff line change
@@ -1,11 +1,18 @@
function join(arr1: any[], arr2: any[]): any[] {
const d = new Map(arr1.map(x => [x.id, x]));
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.has(x.id)) {
d.set(x.id, { ...d.get(x.id), ...x });
if (d[x.id]) {
Object.assign(d[x.id], x);
} else {
d.set(x.id, x);
d[x.id] = x;
}
});
return [...d.values()].sort((a, b) => a.id - b.id);
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>;