0.4.1 • Published 2 years ago

readystate v0.4.1

Weekly downloads
18
License
MIT
Repository
github
Last release
2 years ago

readystate

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readystate is a module to determine the readystate of the current document and allows you to listen to various of readystate change events.

Installation

The module is available for Node.js and Browsers (using browserify) and can be installed by running the following command in your CLI:

npm install --save readystate

Usage

In all examples we assume that you've required the library as following in your code:

'use strict';

var readystate = require('readystate');

The readystate is a pre-constructed ReadyState instance which exposes various of methods to check and listen to readystate changes. Before continuing with the API here is a list of the ready state's that we currently support:

  • ALL: The I don't really give a fuck state.
  • UNKNOWN: We got an unknown readyState we should start listening for events.
  • LOADING: Environment is currently loading.
  • INTERACTIVE: Environment is ready for interaction.
  • COMPLETE: All resources have been loaded.

The INTERACTIVE state can be used for DOM ready and the COMPLETE for load events.

readystate#is

The is method allows you check if a certain readystate has been reached. It is not a strict check but a minimum check. For example if you want to know if the LOADING state has been reached but your document is already in the COMPLETE state we will return true.

// assume that document is fully loaded, these will all return true.
readystate.is('loading');
readystate.is('LOADING');
readystate.is(readystate.LOADING);

// assume that document is in `loading` state, these will return false
readystate.is('interactive');
readystate.is('INTERACTIVE');
readystate.is(readystate.COMPLETE);

readystate#{state}

We also you to assign callback for when a certain readystate is reached. If the state has yet to be reached we will queue your callback until the state is reached. If we are already in that state we will immediately call the supplied callback.

readystate.loading(function () { console.log('loading'); });
readystate.complete(function () { console.log('complete'); });
readystate.interactive(function () { console.log('interactive'); });

It also supports a second context argument which allows you to control the this value of your callback:

readystate.loading(function () {
  console.log(this); // 'foo'
}, 'foo');

readystate.removeAllListeners

Remove all previously assigned listeners.

readystate.removeAllListeners();

readystate.readystate

Please note, this is a private property

We store our current detected readystate in the .readystate it might be useful it you want to some manual checking.

License

MIT

0.4.1

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