node-environ - npm Package Compare versions

Comparing version 0.0.4 to 0.0.5

.vscode/launch.json

@@ -12,5 +12,5 @@ {
       "program": "${workspaceFolder}/index.js",
-      "args": ["--config", "example/.environ", "--use", "profile2"]
+      "args": ["backup", "profile2", "--config", "example/.environ"]
     }
   ]
 }

index.js

@@ -12,6 +12,10 @@ #!/usr/bin/env node
 
+
+const command = argv._[0]
+const useProfile = argv._[1]
+
 // 0. check params 
-const confPath = argv.config 
-  ? path.resolve(cwd, argv.config)
-  : path.resolve(cwd, '.environ')
+const confPath = argv.config ?
+  path.resolve(cwd, argv.config) :
+  path.resolve(cwd, '.environ')
 if (!fs.existsSync(confPath))
@@ -27,11 +31,10 @@ throw new Error('Missing `.environ` project file. ' + confPath)
   throw new Error('target path not exists!')
-} else if (!argv.use) {
-  throw new Error('Usage:   environ --use <profile-id>')
-} 
+} else if (!useProfile) {
+  throw new Error('Usage:   environ <command> <profile-id>')
+}
 
-const useProfile = argv.use
 const profilePath = path.resolve(sourcesPath, useProfile)
 if (!fs.existsSync(profilePath)) {
   throw new Error('directory profile <profile-id> ' + useProfile + ' not exists. use real path')
-} else if(!environ.profiles[useProfile]){
+} else if (!environ.profiles[useProfile]) {
   throw new Error('profile ' + useProfile + ' is not defined in .environ conf')
@@ -45,48 +48,68 @@ } else {
 // 1. action
-(environ.__current  // make backup if __current is set
-    ? ensureDir(path.resolve(sourcesPath, environ.__current, '__backup'))
-      .then(()=>{
-        return copyProfile(environ.__current, // first backup profile itself
-          path.resolve(sourcesPath, environ.__current), 
-          path.resolve(sourcesPath, environ.__current, '__backup')) 
-      })
-      .then(()=>{ // copy current profile
-        return copyProfile(environ.__current, 
-          targetPath, 
-          path.resolve(sourcesPath, environ.__current))
-      })
-      .then(()=>{ // cleanup current
+
+switch (command) {
+  case 'use':
+    use()
+    break
+
+  case 'backup':
+    backup(useProfile)
+    break
+
+  default :
+    console.log('Wrong or absent action name');
+}
+
+
+function use() {
+  return (environ.__current ? // make backup if __current is set
+      backup(environ.__current).then(() => { // cleanup current
         return cleanupProfile(environ.__current, targetPath)
-      })
-    : Promise.resolve()
-).then(()=>{
-  // push in profile
-  return copyProfile(useProfile, profilePath, targetPath)
-})
-.then(()=>{
+      }) :
+      Promise.resolve()
+    ).then(() => {
+      // push in profile
+      return copyProfile(useProfile, profilePath, targetPath)
+    })
+    .then(() => {
 
-  //end
-  environ.__current = useProfile
-  fs.writeFileSync(confPath, JSON.stringify(environ, null, '  '))
-})
-.catch(error => {
-  
-  console.error(error.stack)
-  
-})
+      //end
+      environ.__current = useProfile
+      fs.writeFileSync(confPath, JSON.stringify(environ, null, '  '))
+    })
+   
+}
 
 
+function backup(profile) {
+  const backupDir = path.resolve(sourcesPath, profile, '__backup', profile + '_' +Date.now())
+  return ensureDir(backupDir)
+    .then(() => {
+      return copyProfile(profile, // first backup profile itself
+        path.resolve(sourcesPath, profile),
+        backupDir)
+    })
+    .then(() => { // copy current profile
+      return copyProfile(profile,
+        targetPath,
+        path.resolve(sourcesPath, profile))
+    })
+    .catch(error => {
+      console.error(error.stack)
+    })
+}
 
+
 // ====================================
 // functions 
-function copyProfile(profile, from, to ){  
+function copyProfile(profile, from, to) {
   debug('copyProfile', ['profile', 'from', 'to'], arguments)
 
-  return Promise.all(environ.profiles[profile].map( item => {
+  return Promise.all(environ.profiles[profile].map(item => {
     const itemPath = path.resolve(from, item)
-    if(!fs.existsSync(itemPath)) console.log('Warning: source ' + itemPath + ' from ' + profile+ ' not exists')
+    if (!fs.existsSync(itemPath)) console.log('Warning: source ' + itemPath + ' from ' + profile + ' not exists')
     const itemStat = fs.statSync(itemPath)
     const itemTarget = path.resolve(to, item)
-  
-    if(itemStat.isDirectory()){
+
+    if (itemStat.isDirectory()) {
       return copyDirRecursive(itemPath, itemTarget)
@@ -96,3 +119,3 @@ } else {
     }
-  }))  
+  }))
 }
@@ -102,5 +125,5 @@
   debug('copyDirRecursive', ['from', 'to'], arguments)
-  
-  return ensureDir(to).then(()=>{
-    return Promise.all(fs.readdirSync(from).map( it =>{
+
+  return ensureDir(to).then(() => {
+    return Promise.all(fs.readdirSync(from).map(it => {
       const itsPath = path.resolve(from, it);
@@ -112,3 +135,3 @@ const itsTarget = path.resolve(to, it);
       } else {
-        return copyFile(itsPath, itsTarget)      
+        return copyFile(itsPath, itsTarget)
       }
@@ -119,6 +142,7 @@ }))
 
-function copyFile(from, to) {  
+function copyFile(from, to) {
   debug('copyFile', ['from', 'to'], arguments)
-  
-  return new Promise(function(resolve, reject) {
+
+  return ensureDir(path.dirname(to)).then(()=>{
+    return new Promise((resolve, reject) => {
       var rd = fs.createReadStream(from);
@@ -128,20 +152,23 @@ rd.on('error', rejectCleanup);
       wr.on('error', rejectCleanup);
+  
       function rejectCleanup(err) {
-          rd.destroy();
-          wr.end();
-          reject(err);
+        rd.destroy();
+        wr.end();
+        reject(err);
       }
       wr.on('finish', resolve);
       rd.pipe(wr);
-  });
+    });
+  })
+  
 }
 
-function cleanupProfile(profile, dir){
+function cleanupProfile(profile, dir) {
   debug('cleanupProfile', ['profile', 'dir'], arguments)
-  
-  return Promise.all(environ.profiles[profile].map( item => {
+
+  return Promise.all(environ.profiles[profile].map(item => {
     const itemPath = path.resolve(dir, item)
     const itemStat = fs.statSync(itemPath)
 
-    if(itemStat.isDirectory()){
+    if (itemStat.isDirectory()) {
       return cleanupDirRecursive(itemPath)
@@ -151,8 +178,8 @@ } else {
       return Promise.resolve()
-    }    
+    }
   }))
 }
 
-function ensureDir(dir){
-  if(!fs.existsSync(dir)){
+function ensureDir(dir) {
+  if (!fs.existsSync(dir)) {
     console.log('Warning: dir ' + dir + ' doesnt exist. create');
@@ -164,28 +191,28 @@ mkdirp.sync(dir)
 
-function cleanupDirRecursive(dir){
+function cleanupDirRecursive(dir) {
   debug('cleanupDirRecursive', ['dir'], arguments)
 
-  return Promise.all(fs.readdirSync(dir).map(item=>{
-    const itemPath = path.resolve(dir, item)
-    const itemStat = fs.statSync(itemPath)
+  return Promise.all(fs.readdirSync(dir).map(item => {
+      const itemPath = path.resolve(dir, item)
+      const itemStat = fs.statSync(itemPath)
 
-    if(itemStat.isDirectory()){
-      return cleanupDirRecursive(itemPath)
-    } else {
-      fs.unlinkSync(itemPath)
+      if (itemStat.isDirectory()) {
+        return cleanupDirRecursive(itemPath)
+      } else {
+        fs.unlinkSync(itemPath)
+        return Promise.resolve()
+      }
+    }))
+    .then(() => {
+      fs.rmdirSync(dir)
       return Promise.resolve()
-    }  
-  }))
-  .then(()=>{
-    fs.rmdirSync(dir)
-    return Promise.resolve()
-  })
+    })
 
 }
 
-function debug(title, names, values){
+function debug(title, names, values) {
   console.log('\n' + title);
-  names.forEach((it, idx)=>{
-    console.log( it.padStart(8) + ':  ' + values[idx] );    
-  }) 
+  names.forEach((it, idx) => {
+    console.log(it.padStart(8) + ':  ' + values[idx]);
+  })
 }

package.json

 {
   "name": "node-environ",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "environment switcher",
@@ -5,0 +5,0 @@ "main": "index.js",

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Improved metrics

Total package byte prevSize

2001126

increased by0.02%

Number of package files

35

increased by2.94%

Lines of code

381

increased by4.96%

No dependency changes