deffy

deffy

Small and fast library to set default values.

Installation

$ npm i --save deffy

Example

// Dependencies
var Deffy = require("deffy");

console.log(Deffy(undefined, "Hello World"));
// => "Hello World"

console.log(Deffy("Hello World", 42));
// => 42

console.log(Deffy("Hello", "World"));
// => "World"

console.log(Deffy("", "World", true));
// => "World"

console.log(Deffy("", "World"));
// => ""

console.log(Deffy("foo", function (input) {
    return input === "foo" ? "bar" : "foo";
}));
// => "bar"

Documentation

Deffy(input, def, options)

Computes a final value by providing the input and default values.

Params

• Anything input: The input value.

• Anything|Function def: The default value or a function getting the input value as first argument.

• Object|Boolean options: The empty value or an object containing the following fields:

• empty (Boolean): Handles the input value as empty field (input || default). Default is false.

Return

• Anything The computed value.

How to contribute

Have an idea? Found a bug? See how to contribute.

Where is this library used?

If you are using this library in one of your projects, add it in this list. :sparkles:

• ascii-heart by Nuvi Pannu

• blah

• bug-killer

• cli-gh-cal

• emoji-logger

• engine-flow-types by jillix

• engine-parser by jillix

• engine-tools by jillix

• enny by jillix

• gh-notifier

• ghosty

• git-stats

• gpm

• one-by-one

• same-time

• set-or-get

• ssh-remote

• svg.connectable.js by jillix

• ul

• web-term

License

MIT © Ionică Bizău