refactor: buildComputedPackage

packages/@yarn-tool/yarnlock-diff/lib/diff-service.d.ts

@@ -1,3 +1,4 @@
+/// <reference types="node" />
 import { Diff } from "deep-diff";
 import { Option } from "fp-ts/lib/Option";
-export declare function buildDiff(oldYarnLockContent: string[], newYarnLockContent: string[]): Option<Diff<{}, {}>[]>;
+export declare function buildDiff(oldYarnLockContent: (Buffer | string)[], newYarnLockContent: (Buffer | string)[]): Option<Diff<{}, {}>[]>;

packages/@yarn-tool/yarnlock-diff/lib/diff-service.ts

@@ -2,19 +2,16 @@ import { diff, Diff } from "deep-diff";
 import { fromNullable, Option } from "fp-ts/lib/Option";
 import { yarnLockParse } from '@yarn-tool/yarnlock-parse/index';
 import { computeHashmapOfPackageAndVersionList } from './diff-service/computeHashmapOfPackageAndVersionList';
+import { buildComputedPackage } from './diff-service/buildComputedPackage';
 
 export function buildDiff(
-	oldYarnLockContent: string[],
-	newYarnLockContent: string[],
+	oldYarnLockContent: (Buffer | string)[],
+	newYarnLockContent: (Buffer | string)[],
 ): Option<Diff<{}, {}>[]>
 {
-	const oldPacakges = oldYarnLockContent
-		.map(v => yarnLockParse(v))
-		.reduce(computeHashmapOfPackageAndVersionList, {});
+	const oldPacakges = buildComputedPackage(oldYarnLockContent);
 
-	const newPackages = newYarnLockContent
-		.map(v => yarnLockParse(v))
-		.reduce(computeHashmapOfPackageAndVersionList, {});
+	const newPackages = buildComputedPackage(newYarnLockContent);
 
 	return fromNullable(diff(oldPacakges, newPackages));
 }

packages/@yarn-tool/yarnlock-diff/lib/diff-service/buildComputedPackage.d.ts

@@ -0,0 +1,3 @@
+/// <reference types="node" />
+import { IComputedPackage } from './types';
+export declare function buildComputedPackage(yarnLockContentList: (Buffer | string)[], alreadyComputedPackage?: IComputedPackage): IComputedPackage;

packages/@yarn-tool/yarnlock-diff/lib/diff-service/buildComputedPackage.ts

@@ -0,0 +1,10 @@
+import { IComputedPackage } from './types';
+import { yarnLockParse } from '@yarn-tool/yarnlock-parse/index';
+import { computeHashmapOfPackageAndVersionList } from './computeHashmapOfPackageAndVersionList';
+
+export function buildComputedPackage(yarnLockContentList: (Buffer | string)[], alreadyComputedPackage: IComputedPackage = {})
+{
+	return yarnLockContentList
+		.map(v => yarnLockParse(v))
+	.reduce(computeHashmapOfPackageAndVersionList, alreadyComputedPackage);
+}