config-chain - npm Package Compare versions

Comparing version 1.0.1 to 1.1.0

index.js

@@ -90,2 +90,4 @@
   this._awaiting = 0
+  this._saving = 0
+  this.sources = {}
 }
@@ -102,4 +104,93 @@
 
-ConfigChain.prototype.addFile = function (file, type) {
-  var marker = {file:file}
+ConfigChain.prototype.del = function (key, where) {
+  // if not specified where, then delete from the whole chain, scorched
+  // earth style
+  if (where) {
+    var target = this.sources[where]
+    target = target && target.data
+    if (!target) {
+      return this.emit('error', new Error('not found '+where))
+    }
+    delete target[key]
+  } else {
+    for (var i = 0, l = this.list.length; i < l; i ++) {
+      delete this.list[i][key]
+    }
+  }
+  return this
+}
+
+ConfigChain.prototype.set = function (key, value, where) {
+  var target
+
+  if (where) {
+    target = this.sources[where]
+    target = target && target.data
+    if (!target) {
+      return this.emit('error', new Error('not found '+where))
+    }
+  } else {
+    target = this.list[0]
+    if (!target) {
+      return this.emit('error', new Error('cannot set, no confs!'))
+    }
+  }
+  target[key] = value
+  return this
+}
+
+ConfigChain.prototype.get = function (key, where) {
+  if (where) {
+    where = this.sources[where]
+    if (where) where = where.data
+    if (where && where.hasOwnProperty(key)) return where[key]
+    return undefined
+  }
+  return this.list[0][key]
+}
+
+ConfigChain.prototype.save = function (where, type, cb) {
+  if (typeof type === 'function') cb = type, type = null
+  var target = this.sources[where]
+  if (!target || !(target.path || target.source) || !target.data) {
+    // TODO: maybe save() to a url target could be a PUT or something?
+    // would be easy to swap out with a reddis type thing, too
+    return this.emit('error', new Error('bad save target: '+where))
+  }
+
+  if (target.source) {
+    var pref = target.prefix || ''
+    Object.keys(target.data).forEach(function (k) {
+      target.source[pref + k] = target.data[k]
+    })
+    return this
+  }
+
+  var type = type || target.type
+  var data = target.data
+  if (target.type === 'json') {
+    data = JSON.stringify(data)
+  } else {
+    data = ini.stringify(data)
+  }
+
+  this._saving ++
+  fs.writeFile(target.path, data, 'utf8', function (er) {
+    this._saving --
+    if (er) {
+      if (cb) return cb(er)
+      else return this.emit('error', er)
+    }
+    if (this._saving === 0) {
+      if (cb) cb()
+      this.emit('save')
+    }
+  }.bind(this))
+  return this
+}
+
+ConfigChain.prototype.addFile = function (file, type, name) {
+  name = name || file
+  var marker = {__source__:name}
+  this.sources[name] = { path: file, type: type }
   this.push(marker)
@@ -114,13 +205,18 @@ this._await()
 
-ConfigChain.prototype.addEnv = function (prefix, env) {
+ConfigChain.prototype.addEnv = function (prefix, env, name) {
   this._await()
+  name = name || 'env'
+  this.sources[name] = { data: env, source: env, prefix: prefix }
   this.push(exports.env(prefix, env))
   process.nextTick(this._resolve.bind(this))
+  return this
 }
 
-ConfigChain.prototype.addUrl = function (req, type) {
+ConfigChain.prototype.addUrl = function (req, type, name) {
   this._await()
-  var marker = {url:req}
+  var href = url.format(req)
+  name = name || href
+  var marker = {__source__:name}
+  this.sources[name] = { href: href, type: type }
   this.push(marker)
-  var href = url.format(req)
   http.request(req, function (res) {
@@ -135,2 +231,3 @@ var c = []
            : null
+      marker.type = type
     }
@@ -158,3 +255,3 @@
 ConfigChain.prototype.add = function (data, marker) {
-  if (marker) {
+  if (marker && typeof marker === 'object') {
     var i = this.list.indexOf(marker)
@@ -165,5 +262,12 @@ if (i === -1) {
     this.splice(i, 1, data)
+    marker = marker.__source__
+    this.sources[marker] = this.sources[marker] || {}
+    this.sources[marker].data = data
     // we were waiting for this.  maybe emit 'load'
     this._resolve()
   } else {
+    if (typeof marker === 'string') {
+      this.sources[marker] = this.sources[marker] || {}
+      this.sources[marker].data = data
+    }
     // trigger the load event if nothing was already going to do so.
@@ -170,0 +274,0 @@ this._await()

package.json

 {
   "name": "config-chain",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "HANDLE CONFIGURATION ONCE AND FOR ALL",
@@ -5,0 +5,0 @@ "homepage": "http://github.com/dominictarr/config-chain",

test/chain-class.js

@@ -63,5 +63,18 @@ var test = require('tap').test
                             ini: true })
+
+      cc.del('blaz', '/tmp/config-chain-class.json')
+      t.same(cc.snapshot, { blaz: 'ini',
+                            json: true,
+                            'x.y.z': 'xyz',
+                            env: 'myenv',
+                            http: true,
+                            ini: true })
+      cc.del('blaz')
+      t.same(cc.snapshot, { json: true,
+                            'x.y.z': 'xyz',
+                            env: 'myenv',
+                            http: true,
+                            ini: true })
       cc.shift()
       t.same(cc.snapshot, { 'x.y.z': 'xyz',
-                            blaz: 'ini',
                             env: 'myenv',
@@ -72,4 +85,3 @@ http: true,
       cc.shift()
-      t.same(cc.snapshot, { blaz: 'blzaa',
-                            env: 'myenv',
+      t.same(cc.snapshot, { env: 'myenv',
                             http: true,
@@ -79,9 +91,7 @@ json: true,
       cc.shift()
-      t.same(cc.snapshot, { blaz: 'http',
-                            http: true,
+      t.same(cc.snapshot, { http: true,
                             json: true,
                             ini: true })
       cc.shift()
-      t.same(cc.snapshot, { blaz: 'http',
-                            http: true,
+      t.same(cc.snapshot, { http: true,
                             ini: true,
@@ -88,0 +98,0 @@ json: false })

No alert changes

Improved metrics

Total package byte prevSize

20963

62.4%

Number of package files

13

8.33%

Lines of code

450

51.01%

Number of lines in readme file

229

126.73%

Worsened metrics

Number of low supply chain risk alerts

5

25%

No dependency changes