feat: built-in @vueuse/math

src/presets/index.ts

@@ -33,12 +33,14 @@ import uniApp from './uni-app'
 import solid from './solid'
 import solidAppRouter from './solid-app-router'
 import { jotai, jotaiUtils } from './jotai'
+import vueuseMath from './vueuse-math'
 
 export const presets = {
   'ahooks': ahooks,
   '@nuxtjs/composition-api': nuxtCompositionApi,
   '@vue/composition-api': vueCompositionApi,
   '@vueuse/core': vueuseCore,
+  '@vueuse/math': vueuseMath,
   '@vueuse/head': vueuseHead,
   'mobx': mobx,
   'mobx-react-lite': mobxReactLite,

src/presets/vueuse-math.ts

@@ -0,0 +1,34 @@
+import { readFileSync } from 'fs'
+import { resolveModule } from 'local-pkg'
+import type { PackageIndexes } from '@vueuse/metadata'
+import type { ImportsMap } from '../types'
+
+let _cache: ImportsMap | undefined
+
+export default (): ImportsMap => {
+  if (!_cache) {
+    let indexesJson: PackageIndexes | undefined
+    try {
+      const corePath = resolveModule('@vueuse/core') || process.cwd()
+      const path = resolveModule('@vueuse/metadata/index.json')
+        || resolveModule('@vueuse/metadata/index.json', { paths: [corePath] })
+      indexesJson = JSON.parse(readFileSync(path!, 'utf-8'))
+    }
+    catch (error) {
+      console.error(error)
+      throw new Error('[auto-import] failed to load @vueuse/math, have you installed it?')
+    }
+    if (indexesJson) {
+      _cache = {
+        '@vueuse/math': indexesJson
+          .functions
+          .filter(i => ['math'].includes(i.package))
+          .flatMap(i => [i.name, ...i.alias || []])
+          // only include functions with 4 characters or more
+          .filter((i: string) => i && i.length >= 4),
+      }
+    }
+  }
+
+  return _cache || {}
+}