Opt into caching where appropiate

Author: oBusk

src/app/[...parts]/_page/BundlephobiaDiff.tsx

@@ -21,6 +21,8 @@ const BundlephobiaDiffInner = async ({
     a,
     b,
 }: BundlephobiaDiffProps) => {
+    "use cache";
+
     const { result, time } = await measuredPromise(bundlephobia(specs));
 
     if (result == null) {

src/app/[...parts]/_page/NpmDiff/NpmDiff.tsx

@@ -1,4 +1,5 @@
 import type { Options } from "libnpmdiff";
+import { cacheLife } from "next/cache";
 import { Suspense } from "react";
 import type { FileData } from "react-diff-view";
 import Stack from "^/components/ui/Stack";
@@ -18,6 +19,10 @@ export interface NpmDiffProps {
 }
 
 const NpmDiff = async ({ a, b, specs, options }: NpmDiffProps) => {
+    "use cache";
+
+    cacheLife("max");
+
     const diff = await npmDiff(specs, options);
 
     const files: FileData[] = gitDiffParse(diff);

src/app/[...parts]/_page/PackagephobiaDiff.tsx

@@ -18,6 +18,8 @@ const PackagephobiaDiffInner = async ({
     a,
     b,
 }: PackagephobiaDiffProps) => {
+    "use cache";
+
     const { result, time } = await measuredPromise(packagephobia(specs));
 
     if (result == null) {

src/lib/api/npm/getVersionData.ts

@@ -1,3 +1,4 @@
+import { cacheLife } from "next/cache";
 import type SimplePackageSpec from "^/lib/SimplePackageSpec";
 import { simplePackageSpecToString } from "^/lib/SimplePackageSpec";
 import packument from "./packument";
@@ -18,6 +19,10 @@ export type VersionMap = {
 async function getVersionData(
     spec: string | SimplePackageSpec,
 ): Promise<VersionMap> {
+    "use cache";
+
+    cacheLife("hours");
+
     const specString =
         typeof spec === "string" ? spec : simplePackageSpecToString(spec);
 

src/lib/destination/canonicalSpec.ts

@@ -1,3 +1,4 @@
+import { cacheLife } from "next/cache";
 import npa, { type AliasResult } from "npm-package-arg";
 import pacote from "pacote";
 
@@ -58,6 +59,10 @@ async function handleNpaResult(result: npa.Result): Promise<string> {
  * - https://docs.npmjs.com/cli/v7/commands/npm-install
  */
 function canonicalSpec(spec: string): Promise<string> {
+    "use cache";
+
+    cacheLife("hours");
+
     const result = npa(spec);
 
     return handleNpaResult(result);

src/lib/npmDiff/npmDiff.ts

@@ -1,4 +1,5 @@
 import libnpmdiff, { type Options } from "libnpmdiff";
+import { cacheLife } from "next/cache";
 
 interface ErrorETARGET {
     code: "ETARGET";
@@ -18,6 +19,10 @@ async function npmDiff(
     specs: [string, string],
     options: Options,
 ): Promise<string> {
+    "use cache";
+
+    cacheLife("max");
+
     let startTime = 0;
     try {
         startTime = Date.now();