1.0.8

README.md

@@ -0,0 +1,19 @@
+# qenv
+provides an easy way for promised environments
+
+## Usage
+qenv works with two files:
+
+* **qenv.yml** - specifies which ENV vars are required.
+* **env.yml** - specifies all env vars that are not already set in the current environment.
+
+Now obviously you can set build specific env vars in many CI environments.
+So there we do not need an **env.yml** since all ENV vars are in place
+However when on another machine you can have a env.yml that will be added to the environment by qenv.
+
+```typescript
+import {Qenv} from "qenv";
+
+myQenv = new Qenv("path/to/dir/where/qenv.yml/is/","path/to/dir/where/env.yml/is(");
+
+``` 

dist/index.d.ts

@@ -0,0 +1,6 @@
+export declare class Qenv {
+    requiredEnvVars: string[];
+    availableEnvVars: string[];
+    missingEnvVars: string[];
+    constructor(basePathArg: string, envYmlPathArg: any, failOnMissing?: boolean);
+}

dist/qenv.plugins.d.ts

@@ -1,3 +1,5 @@
 import "typings-global";
 export import beautylog = require("beautylog");
+export declare let lodash: any;
+export import path = require("path");
 export import smartfile = require("smartfile");

dist/qenv.plugins.js

@@ -1,6 +1,8 @@
 "use strict";
 require("typings-global");
 exports.beautylog = require("beautylog");
+exports.lodash = require("lodash");
+exports.path = require("path");
 exports.smartfile = require("smartfile");
 
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package.json

@@ -1,8 +1,9 @@
 {
   "name": "qenv",
-  "version": "1.0.1",
+  "version": "1.0.8",
-  "description": "smart handling of environment variables",
+  "description": "promised environments",
   "main": "dist/index.js",
+  "typings": "dist/index.d.ts",
   "scripts": {
     "test": "(npmts)"
   },
@@ -28,6 +29,7 @@
   },
   "dependencies": {
     "beautylog": "^5.0.12",
+    "lodash": "^4.13.1",
     "q": "^1.4.1",
     "smartfile": "^3.0.10",
     "typings-global": "^1.0.3"

test/assets/env.yml

@@ -0,0 +1,2 @@
+key1: fromYml
+key2: fromYml

test/assets/qenv.yml

@@ -0,0 +1,4 @@
+vars:
+  - key1
+  - key2
+  - key3

test/test.d.ts

@@ -0,0 +1,2 @@
+import "typings-test";
+import "should";

test/test.js

@@ -0,0 +1,23 @@
+"use strict";
+require("typings-test");
+var path = require("path");
+require("should");
+var index_1 = require("../dist/index");
+process.cwd = function () {
+    return path.join(__dirname, "./assets/");
+};
+process.env["key1"] = "original";
+var qenvTestObject;
+describe("Qenv class", function () {
+    it("should create a new class", function () {
+        qenvTestObject = new index_1.Qenv(process.cwd(), process.cwd(), false);
+    });
+    it("key1 should be not be overwritten since it is already present", function () {
+        process.env.key1.should.equal("original");
+    });
+    it("key2 should be read from Yml", function () {
+        process.env.key2.should.equal("fromYml");
+    });
+});
+
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test/test.ts

@@ -0,0 +1,24 @@
+import "typings-test";
+import * as path from "path";
+import "should";
+import {Qenv} from "../dist/index";
+
+process.cwd = () => {
+    return path.join(__dirname,"./assets/");
+}
+
+process.env["key1"] = "original"
+
+let qenvTestObject:Qenv;
+describe("Qenv class",function(){
+    it("should create a new class",function(){
+        qenvTestObject = new Qenv(process.cwd(),process.cwd(),false);
+    });
+    it("key1 should be not be overwritten since it is already present",function(){
+        process.env.key1.should.equal("original");
+    });
+    it("key2 should be read from Yml",function(){
+        process.env.key2.should.equal("fromYml");
+    })
+
+});

ts/index.ts

@@ -0,0 +1,61 @@
+import * as plugins from "./qenv.plugins";
+
+export class Qenv {
+    requiredEnvVars:string[];
+    availableEnvVars:string[];
+    missingEnvVars:string[];
+    constructor(basePathArg = process.cwd(),envYmlPathArg,failOnMissing = true){
+        this.requiredEnvVars = getRequiredEnvVars(basePathArg);
+        this.availableEnvVars = getAvailableEnvVars(this.requiredEnvVars,envYmlPathArg);
+        this.missingEnvVars = getMissingEnvVars(this.requiredEnvVars,this.availableEnvVars);
+        
+        //handle missing variables
+        if (this.missingEnvVars.length > 0){
+            plugins.beautylog.info("Required Env Vars are:")
+            console.log(this.requiredEnvVars);
+            plugins.beautylog.error("However some Env variables could not be resolved:");
+            console.log(this.missingEnvVars);
+            if(failOnMissing){
+                plugins.beautylog.error("Exiting!")
+                process.exit(1);
+            }
+        }
+    }
+};
+
+let getRequiredEnvVars = (pathArg:string):string[] => {
+    let result:string[] = [];
+    let qenvFilePath = plugins.path.join(pathArg,"qenv.yml");
+    let qenvFile = plugins.smartfile.local.toObjectSync(qenvFilePath);
+    for(let keyArg in qenvFile.vars){
+        result.push(qenvFile.vars[keyArg]);
+    }
+    return result;
+}
+
+let getAvailableEnvVars = (requiredEnvVarsArg:string[],envYmlPathArg:string):string[] => {
+    let result = [];
+    envYmlPathArg = plugins.path.join(envYmlPathArg,"env.yml")
+    let envYml;
+    try {
+        envYml = plugins.smartfile.local.toObjectSync(envYmlPathArg);
+    }
+    catch(err){
+        plugins.beautylog.log("env file couldn't be found at " + envYmlPathArg)
+        envYml = {};
+    }
+    for(let keyArg in requiredEnvVarsArg){
+        let requiredEnvVar:string = requiredEnvVarsArg[keyArg];
+        if(process.env[requiredEnvVar]){
+            result.push(requiredEnvVar);
+        } else if(envYml.hasOwnProperty(requiredEnvVar)){
+            process.env[requiredEnvVar] = envYml[requiredEnvVar];
+            result.push(requiredEnvVar);
+        }
+    }
+    return result;
+}
+
+let getMissingEnvVars = (requiredEnvVarsArray:string[],availableEnvVarsArray:string[]) => {
+    return plugins.lodash.difference(requiredEnvVarsArray,availableEnvVarsArray);
+}

ts/qenv.plugins.ts

@@ -1,3 +1,5 @@
 import "typings-global";
 export import beautylog = require("beautylog");
+export let lodash = require("lodash");
+export import path = require("path");
 export import smartfile = require("smartfile");