Config inspector: support camelCase env keys

Also use `export ...` pattern for env.vars on Linux/Mac.

Author: chgeo

.vitepress/theme/components/ConfigInspect.vue

@@ -20,7 +20,7 @@
           { id: 'js',  label: '.cdsrc.js',           lang: 'js',         group, code: jsStr },
           { id: 'yml', label: '.cdsrc.yaml',         lang: 'yml',        group, code: ymlStr },
           { id: 'env', label: '.env file',           lang: 'properties', group, code: propStr },
-          { id: 'shl', label: 'Linux/macOS Shells',  lang: 'sh',         group, code: envStr, transient: true },
+          { id: 'shl', label: 'Linux/macOS Shells',  lang: 'sh',         group, code: 'export '+envStr, transient: true },
           { id: 'shp', label: 'Powershell',          lang: 'powershell', group, code: '$Env:'+envStr, transient: true },
           { id: 'shw', label: 'Cmd Shell',           lang: 'cmd',        group, code: 'set '+envStr, transient: true }
         ]" />
@@ -80,6 +80,7 @@
   FloatingVue.options.themes.cfgPopper = { $extend: 'dropdown' }
 
   const slots = useSlots()
+  //@ts-expect-error
   const slotVal = slots.default?.().at(0)?.children?.toString().trim() ?? 'error: provide <Config>your_key:value</Config>'
 
   const [key, val] = slotVal.split(/\s*[:=]\s*/)
@@ -117,7 +118,10 @@
     pkgStr.value = JSON.stringify(pkg, null, 2)
     jsStr.value = 'module.exports = ' + pkgStr.value.replace(/"(\w*?)":/g, '$1:')
     propStr.value = `${key}=${jsonVal ? JSON.stringify(jsonVal) : value}`
-    envStr.value = `${key.replaceAll('_', '__').replaceAll('.', '_').toUpperCase()}=${jsonVal ? JSON.stringify(jsonVal) : value}`
+
+    let envKey = key.replaceAll('_', '__').replaceAll('.', '_')
+    if (/^[a-z_]+$/.test(envKey)) envKey = envKey.toUpperCase() // only uppercase if not camelCase
+    envStr.value = `${envKey}=${jsonVal ? JSON.stringify(jsonVal) : value}`
 
     javaAppyml.value = ymlStr.value = yaml.stringify(pkg)
     javaEnvStr.value = `-D${propStr.value}`