fix: cache

Author: farnabaz

src/parser/index.ts

@@ -4,6 +4,7 @@ import { refineMeta } from "./utils"
 import { isAbsolute, join } from "pathe"
 import { existsSync, readFileSync, writeFileSync, mkdirSync } from 'fs'
 import { withBase } from "ufo"
+import { hash } from "crypto"
 
 export interface Options {
   rootDir: string
@@ -16,14 +17,23 @@ export function getComponentMeta(component: string, options?: Options): Componen
   const opts = {
     cache: false,
     rootDir,
-    cacheDir: join(rootDir, ".data/cache"),
+    cacheDir: join(rootDir, ".data/nuxt-component-meta"),
     ...options
   }
   const fullPath = isAbsolute(component) ? component : withBase(component, opts.rootDir)
-  const cachePath = join(opts.cacheDir, `${component}.json`)
+  let cachePath = join(opts.cacheDir, `${component}.json`)
+  if (opts.cache) {
+    try {
+      const content = readFileSync(fullPath, { encoding: 'utf8', flag: 'r' })
+      const cacheId = component.split('/').pop()?.replace(/\./g, '_') + '-' + hash('sha1', content).slice(0, 12)
+      cachePath = join(opts.cacheDir, `${cacheId}.json`)
+    } catch (error) {
+      throw new Error(`Error reading file ${fullPath}: ${error}`)
+    }
 
-  if (opts.cache && existsSync(cachePath)) {
-    return JSON.parse(readFileSync(cachePath, { encoding: 'utf8', flag: 'r' })) as ComponentMeta
+    if (existsSync(cachePath)) {
+      return JSON.parse(readFileSync(cachePath, { encoding: 'utf8', flag: 'r' })) as ComponentMeta
+    }
   }
 
   const checker = createCheckerByJson(
@@ -40,7 +50,10 @@ export function getComponentMeta(component: string, options?: Options): Componen
   const refinedMeta = refineMeta(meta)
 
   if (opts.cache) {
-    const cache = JSON.stringify(refinedMeta, null, 2)
+    const cache = JSON.stringify({
+      cachedAt: Date.now(),
+      ...refinedMeta,
+    })
     if (!existsSync(opts.cacheDir)) {
       mkdirSync(opts.cacheDir, { recursive: true })
     }

test/get-component-meta.test.ts

@@ -0,0 +1,41 @@
+import { beforeAll, describe, expect, test } from "vitest";
+import { getComponentMeta } from "../src/parser";
+import { join } from "path";
+import { rmSync } from "fs";
+
+describe("get-component-meta", () => {
+  const rootDir = join(__dirname, "./fixtures/basic")
+  beforeAll(() => {
+    try {
+      rmSync(join(rootDir, '.data/nuxt-component-meta'), { recursive: true })
+    } catch {
+      // Ignore
+    }
+  })
+
+  test("parse NormalScript fresh parse", () => {
+    const meta = getComponentMeta("components/NormalScript.vue", {
+      rootDir,
+    })
+    expect(meta.props.length).toEqual(4);
+    expect((meta as unknown as Record<string, unknown>).cachedAt).toBeUndefined();
+  });
+
+  test("parse NormalScript fresh parse (cache enabled)", () => {
+    const meta = getComponentMeta("components/NormalScript.vue", {
+      rootDir,
+      cache: true
+    })
+    expect(meta.props.length).toEqual(4);
+    expect((meta as unknown as Record<string, unknown>).cachedAt).toBeUndefined();
+  });
+
+  test("parse NormalScript cached", () => {
+    const meta = getComponentMeta("components/NormalScript.vue", {
+      rootDir,
+      cache: true
+    })
+    expect(meta.props.length).toEqual(4);
+    expect((meta as unknown as Record<string, unknown>).cachedAt).toBeDefined();
+  });
+});