refactor: align hash() with vite plugin

src/index.ts

@@ -1,9 +1,8 @@
 import type { LoaderContext } from 'webpack'
 import * as path from 'path'
+import * as crypto from 'crypto'
 import * as qs from 'querystring'
 
-import hash = require('hash-sum')
-
 import { compiler } from './compiler'
 import type {
   TemplateCompiler,
@@ -66,6 +65,10 @@ let errorEmitted = false
 const { parse } = compiler
 const exportHelperPath = require.resolve('./exportHelper')
 
+function hash(text: string): string {
+  return crypto.createHash('sha256').update(text).digest('hex').substring(0, 8)
+}
+
 export default function loader(
   this: LoaderContext<VueLoaderOptions>,
   source: string

test/utils.ts

@@ -1,14 +1,18 @@
 /* env jest */
 import * as path from 'path'
+import * as crypto from 'crypto'
 import webpack from 'webpack'
 import merge from 'webpack-merge'
-import hash from 'hash-sum'
 // import MiniCssExtractPlugin from 'mini-css-extract-plugin'
 import { fs as mfs } from 'memfs'
 import { JSDOM, VirtualConsole } from 'jsdom'
 import { VueLoaderPlugin } from '..'
 import type { VueLoaderOptions } from '..'
 
+function hash(text: string): string {
+  return crypto.createHash('sha256').update(text).digest('hex').substring(0, 8)
+}
+
 export const DEFAULT_VUE_USE = {
   loader: 'vue-loader',
   options: {