JavaScript-design-patterns | Examples of popular design patterns in JavaScript | Architecture library

by tomanagle JavaScript Version: Current License: MIT

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kandi X-RAY | JavaScript-design-patterns Summary

JavaScript-design-patterns is a JavaScript library typically used in Architecture, Nodejs applications. JavaScript-design-patterns has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

A collection of working design pattern examples and links to useful resporces where you can learn more about the design pattern and how to use it in JavaScript. You will find explanations for each pattern in this Medium article: If you would like further explanation of a pattern, think an example can be improved or spot something is just wrong, please submit a pull request.

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JavaScript-design-patterns has a low active ecosystem.

It has 35 star(s) with 4 fork(s). There are 2 watchers for this library.

It had no major release in the last 6 months.

JavaScript-design-patterns has no issues reported. There are 1 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of JavaScript-design-patterns is current.

Quality

JavaScript-design-patterns has no bugs reported.

Security

JavaScript-design-patterns has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

JavaScript-design-patterns is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

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JavaScript-design-patterns releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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JavaScript-design-patterns Key Features

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JavaScript-design-patterns Examples and Code Snippets

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Community Discussions

Trending Discussions on JavaScript-design-patterns

javascript singleton public method "not a function"

Singleton in JavaScript with module.export and require?

QUESTION

javascript singleton public method "not a function"

Asked 2018-Jul-04 at 04:09

I give up. I'm usually a c# developer, but I need javascript for this particular project.

I have a list that I want to be protected with some setters and getters (and also public methods vs private helper methods). To do this, I've implemented a singleton pattern following Addy Osmani's Singleton pattern as described in this post: http://robdodson.me/javascript-design-patterns-singleton/

However, when I try to access the public methods, I get the error "publicMethod is not a function".

I have a button hooked up to "addToList" and I just want to print out the message to start with.

Why can't it see my method?

...

ANSWER

Answered 2018-Jul-04 at 04:09

You need to use $scope.mySingleton.getInstance().publicMethod() as @Robby pointed out in the comment.

Following is the flow:

Source https://stackoverflow.com/questions/51165496

QUESTION

Singleton in JavaScript with module.export and require?

Asked 2018-Feb-13 at 09:09

I am trying to implement Singleton in JavaScript where I use Node.js module.export and require().

My issue is that module.export so far for me returns new object from a class.

If I make it so that all classes are only available requiring them from Singleton class and not require() - then would I guarantee that I will have one instance only?

Because if all Other classes import from Singleton - how should I import Singleton?

In php no matter how many instances of Singleton you have - each share static properties. So if you make the instance static then all Singleton's no matter in which files they are invoked have the same memory and perform the same action.

However I have no idea what is the case with JavaScript

I also have another approach - If I make let instance variable at the start of the file and check if its empty at the end and if it isn't I make another instance instance = new MyClass() and then module.export = instance. Would this give me the same result?

For example what I currently do

...

ANSWER

Answered 2018-Feb-13 at 09:09

Node.js modules are singletons by default.

All imports referring to the same file would refer to the same object in memory. You don't have to do anything special

Source https://stackoverflow.com/questions/48762894

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