Tailwind CSS Stepper

Dynamic stepper plugin that guides users through the steps of a task.

Installation

To get started, install Stepper plugin via npm, else you can skip this step if you are already using Preline UI as a package.

                      
                        npm i @preline/stepper

Example

Example.

1 Step
2 Step
3 Step

First content

Basic usage

Prefer to create your own style? Here is a completely unstylized example.

                      
                        <div data-hs-stepper>
                          <div class="hs-stepper-active:text-blue-500 hs-stepper-success:text-blue-500" data-hs-stepper-nav-item='{
                            "index": 1
                          }'>
                            1 Step
                          </div>
                          <div class="hs-stepper-active:text-blue-500 hs-stepper-success:text-blue-500" data-hs-stepper-nav-item='{
                            "index": 2
                          }'>
                            2 Step
                          </div>
                          <div class="hs-stepper-active:text-blue-500 hs-stepper-success:text-blue-500" data-hs-stepper-nav-item='{
                            "index": 3
                          }'>
                            3 Step
                          </div>
                          
                          <div data-hs-stepper-content-item='{
                            "index": 1
                          }' style="display: none;">
                            First content.
                          </div>
                          <div data-hs-stepper-content-item='{
                            "index": 2
                          }' style="display: none;">
                            Second content.
                          </div>
                          <div data-hs-stepper-content-item='{
                            "index": 3
                          }' style="display: none;">
                            Third content.
                          </div>
                          <div data-hs-stepper-content-item='{
                            "isFinal": true
                          }' style="display: none;">
                            Final content.
                          </div>
                          
                          <button class="hs-stepper-disabled:opacity-50" type="button" data-hs-stepper-back-btn>
                            Back
                          </button>
                          <button type="button" data-hs-stepper-skip-btn style="display: none;">
                            Skip
                          </button>
                          <button type="button" data-hs-stepper-next-btn>
                            Next
                          </button>
                          <button type="button" data-hs-stepper-finish-btn style="display: none;">
                            Finish
                          </button>
                          <button type="reset" data-hs-stepper-reset-btn style="display: none;">
                            Reset
                          </button>
                        </div>

JavaScript behavior

Data Options

Name	Description	Options	Default value
`data-hs-stepper`	Activate a Stepper by specifying on an element. Should be added to the container.	—	—
`:currentIndex`	Index of the current step. This must be a number between 1 and the maximum number of steps.	number	`1`
`:mode`	The mode of the stepper. In "non-lenear" mode, the user can navigate to any step and nav items itself are clickable. In "linear" mode, the user can only navigate to the next/back step.	"linear" \| "non-linear"	`linear`
`:isCompleted`	Whether the stepper is completed.	boolean	`false`
`data-hs-stepper-nav-item`	Activate a Stepper Nav Item by specifying on an element. Should be added to the nav item.	—	—
`:index`	The index of the step to which the item belongs. This must be a number between 1 and the maximum number of steps.	number	—
`:isOptional`	Whether the step is optional.	boolean	`false`
`:isCompleted`	Whether the step is completed.	boolean	`false`
`:isSkip`	Whether the step is skipped.	boolean	`false`
`:hasError`	Whether the step has an error.	boolean	`false`
`data-hs-stepper-content-item`	Activate a Stepper Content Item by specifying on an element. Should be added to the content item.	—	—
`:index`	The index of the step to which the item belongs. This must be a number between 1 and the maximum number of steps.	number	—
`:isCompleted`	Whether the step is completed.	boolean	`false`
`:isSkip`	Whether the step is skipped.	boolean	`false`
`:isFinal`	Whether the step is final.	boolean	`false`

Tailwind Modifiers

Name	Description
`hs-stepper-active:*`	Modifies the active step.
`hs-stepper-success:*`	Modifies the completed step.
`hs-stepper-disabled:*`	Modifies the "back" button when the very first step is active.
`hs-stepper-skipped:*`	Modifies the skipped step.
`hs-stepper-error:*`	Modifies the step that has error. Error class should be added manually by some event. E.g. after form validation.
`hs-stepper-process:*`	Modifies the step that processing. Process class should be added manually by some event. E.g. after form submit.
`hs-stepper-completed:*`	Modifies all steps are completed.

Methods

The HSStepper object is contained within the global window object

Method	Description
Public methods
`setProcessedNavItem(n)`	Set the nav item as processed. Available parameters: `n` the index of the step to which the item belongs
`setErrorNavItem(n)`	Set the nav item as error. Available parameters: `n` the index of the step to which the item belongs
`unsetProcessedNavItem(n)`	Unset the nav item as processed. Available parameters: `n` the index of the step to which the item belongs
`goToNext()`	Go to the next step. The method returns the index of the next step. If the current step is the last, the method returns the index of the current step.
`disableButtons()`	Disable the "next" and "back" buttons.
`enableButtons()`	Enable the "next" and "back" buttons.
`destroy()`	Destroys the instance, removes generated markup (if any), removes added classes and attributes.
Static methods
`HSStepper.getInstance(target, isInstance)`	Returns the element associated to the `target`. `target` should be a Node or string (valid selector) `isInstance` boolean. Returns the instance instead of Node if `true`

Randomize an error state (public method).

                      
                        const stepper = new HSStepper(document.querySelector('#stepper'));
                        let errorState = 1;
                        
                        stepper.on('beforeNext', (index) => {
                          if (index === 2) {
                            stepper.setProcessedNavItem(index);
                            
                            setTimeout(() => {
                              stepper.unsetProcessedNavItem(index);
                              stepper.enableButtons();
                              
                              if (errorState) {
                                stepper.goToNext();
                              } else {
                                stepper.setErrorNavItem(index);
                              }
                              
                              errorState = !errorState;
                            }, 2000);
                          }
                        });

Randomize an error state (mixed).

                      
                        const stepper = HSStepper.getInstance('#stepper');
                        let errorState = 1;
                        
                        stepper.on('beforeNext', (index) => {
                          if (index === 2) {
                            stepper.setProcessedNavItem(index);
                            
                            setTimeout(() => {
                              stepper.unsetProcessedNavItem(index);
                              stepper.enableButtons();
                              
                              if (errorState) {
                                stepper.goToNext();
                              } else {
                                stepper.setErrorNavItem(index);
                              }
                              
                              errorState = !errorState;
                            }, 2000);
                          }
                        });

Events

Method	Description	Returned value
`on:active`	The event is triggered when the "active" class setup.	currentIndex
`on:beforeNext`	The event is triggered before the "next" button is clicked.	currentIndex
`on:next`	The event is triggered when the "next" button is clicked.	currentIndex
`on:back`	The event is triggered when the "back" button is clicked.	currentIndex
`on:complete`	The event is triggered when the "complete" button is clicked.	currentIndex
`on:finish`	The event is triggered when the "finish" button is clicked.	currentIndex
`on:skip`	The event is triggered when the "skip" button is clicked.	currentIndex
`on:reset`	The event is triggered when the "reset" button is clicked.	currentIndex

An example when a function is run before the next step.

                      
                        const el = HSStepper.getInstance('#stepper');

                        el.on('next', (currentIndex) => {...});

Demo examples

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Check out Preline UI Components

Tailwind CSS Stepper

First content

Second content

Third content

Final content

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