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Born at Google, Angular is one of the most popular solutions for building incredibly appealing and powerful single page web applications. If you are going to build SPAs there is a set of useful tools that will come in handy, like Grunt as a task manager, Yeoman as a scaffolding tool, npm and bower as package managers.
After you make up your mind which tools to use you’ll need to understand what the term “environments” means, why you need them and how to work with them; how to create a skeleton for your app and, finally, why you should apply grunt-ng-constant with AngularJS for managing multiple environments. Talking about constants, they are very useful and important in software development as they make code more comprehensible. For example, let’s assume that the project uses the number of working days per week, so declaring WORKING_DAYS = 5 means you do not just use abstract number 5 in the code but more readable WORKING_DAYS.
Having declared a constant once you can continuously use it where applicable. It also saves time and reduces the possibility of making a mistake if, at some point, you need to change the value of a constant. Getting back to our example. Let’s assume the number of working days changes to 6. If we use the constants all we have to do is to replace 5 by 6. If not, we’ll have to look through all the files of the project where we used 5 to change it to 6 risking either not to find all the values or to change the unnecessary ones.
In this blog post our developer deals with all the questions above. He describes a detailed approach that he applies in his Angular projects, which is likely to be very useful if you need to configure different environments while developing web applications utilizing AngularJS.