array-group-to-record - npm Package Compare versions

Comparing version 1.0.7 to 1.0.8

src/index.ts

+import hashSum from 'hash-sum';
+
+export interface IOptionsForRecord<T>
+{
+	getKey?(item: T, index: number, arr: T[]): string
+
+	init?(): Record<string, T[]>,
+}
+
+export interface IOptionsForMap<T>
+{
+	getKey?(item: T, index: number, arr: T[]): any
+
+	init?(): Map<any, T[]>,
+}
+
+export function handleOptions<O extends IOptionsForRecord<any> | IOptionsForMap<any>>(options: O): O
+{
+	const getKey = options?.getKey ?? ((item) => hashSum(item));
+
+	return {
+		...options,
+		getKey,
+	}
+}
+
+export function arrayGroupToRecord<T>(arr: T[], options?: IOptionsForRecord<T>)
+{
+	const { getKey, init } = handleOptions(options);
+
+	return arr.reduce((map, item, index, arr) =>
+	{
+
+		const id = getKey(item, index, arr);
+
+		map[id] ??= [];
+		map[id].push(item);
+
+		return map
+	}, init?.() ?? {} as Record<string, T[]>);
+}
+
+export function arrayGroupToMap<T>(arr: T[], options?: IOptionsForMap<T>)
+{
+	const { getKey, init } = handleOptions(options);
+
+	return arr.reduce((map, item, index, arr) =>
+	{
+
+		const id = getKey(item, index, arr);
+
+		const a = map.get(id) ?? [];
+
+		a.push(item);
+
+		map.set(id, a);
+
+		return map
+	}, init?.() ?? new Map() as Map<any, T[]>);
+}
+
+export function sumGroup<T extends Record<any, any[]> | Map<any, any[]>>(group: T)
+{
+	let len = 0;
+
+	if (typeof group.forEach === 'undefined')
+	{
+		// @ts-ignore
+		group = Object.values(group);
+	}
+
+	// @ts-ignore
+	group.forEach(b => len += b.length);
+
+	return len;
+}
+
+export default arrayGroupToRecord

CHANGELOG.md

@@ -6,2 +6,12 @@ # Change Log
 
+## [1.0.8](https://github.com/bluelovers/ws-array/compare/array-group-to-record@1.0.7...array-group-to-record@1.0.8) (2022-10-10)
+
+
+
+### 🔖　Miscellaneous
+
+* . ([2c4aa0a](https://github.com/bluelovers/ws-array/commit/2c4aa0ac4545a8f3be79a20835cb973690cfaac8))
+
+
+
 ## [1.0.7](https://github.com/bluelovers/ws-array/compare/array-group-to-record@1.0.6...array-group-to-record@1.0.7) (2022-09-26)
@@ -8,0 +18,0 @@

package.json

 {
   "name": "array-group-to-record",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "description": "",
@@ -68,3 +68,3 @@ "keywords": [
   "packageManager": "yarn@^1.22.11",
-  "gitHead": "fcebb3831d3a25e50d06481d9d4e9a56b3d3036d"
+  "gitHead": "c83428b467812ee10e5e6f72b46ff79a64d763a2"
 }

New alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Fixed alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

31950

5.68%

Number of package files

16

6.67%

Lines of code

238

30.05%

No dependency changes