first commit

build/utils.js

@@ -0,0 +1,69 @@
+import fs from 'fs'
+import path from 'path'
+import dotenv from 'dotenv'
+
+export function wrapperEnv(envOptions) {
+  if (!envOptions) return {}
+  const ret = {}
+
+  for (const key in envOptions) {
+    let val = envOptions[key]
+    if (['true', 'false'].includes(val)) {
+      val = val === 'true'
+    }
+    if (['VITE_PORT'].includes(key)) {
+      val = +val
+    }
+    if (key === 'VITE_PROXY' && val) {
+      try {
+        val = JSON.parse(val.replace(/'/g, '"'))
+      } catch (error) {
+        val = ''
+      }
+    }
+    ret[key] = val
+    if (typeof key === 'string') {
+      process.env[key] = val
+    } else if (typeof key === 'object') {
+      process.env[key] = JSON.stringify(val)
+    }
+  }
+  return ret
+}
+
+/**
+ * 获取当前环境下生效的配置文件名
+ */
+function getConfFiles() {
+  const script = process.env.npm_lifecycle_script
+  const reg = new RegExp('--mode ([a-z_\\d]+)')
+  const result = reg.exec(script)
+  if (result) {
+    const mode = result[1]
+    return ['.env', `.env.${mode}`]
+  }
+  return ['.env', '.env.production']
+}
+
+export function getEnvConfig(match = 'VITE_APP_GLOB_', confFiles = getConfFiles()) {
+  let envConfig = {}
+  confFiles.forEach((item) => {
+    try {
+      const env = dotenv.parse(fs.readFileSync(path.resolve(process.cwd(), item)))
+      envConfig = { ...envConfig, ...env }
+    } catch (e) {
+      console.error(`Error in parsing ${item}`, e)
+    }
+  })
+  const reg = new RegExp(`^(${match})`)
+  Object.keys(envConfig).forEach((key) => {
+    if (!reg.test(key)) {
+      Reflect.deleteProperty(envConfig, key)
+    }
+  })
+  return envConfig
+}
+
+export function getRootPath(...dir) {
+  return path.resolve(process.cwd(), ...dir)
+}