svelte-multistep-form

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svelte-multistep-form

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Svelte MultiStep Form like, this component is still in beta stage

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# svelte multistep form [![NPM Version](https://badge.fury.io/js/svelte-multistep-form.svg?style=flat)](https://npmjs.org/package/svelte-multistep-form)

Multi Step Form help to wrap form elements passing down styles to the component to be rendered, also it presents each form step in a ordered and stylish way.

### Demo

## Install

```
npm install svelte-multistep-form
```

then import into your code

```javascript
import { Form, Step } from "svelte-multistep-form";
```

## Usage

First you need to set up the form `stepsDescription`, `formSubtitle` and `formTitle` inside `multiStepOptions` that later has to be injected into Form component `<Form {multiStepOptions}>`

```javascript
let multiStepOptions = {
  formTitle: "New Title ✍️",
  formSubtitle: "Subtitle should be here",
  stepsDescription: [
    { title: "STEP 1", subtitle: "All the details to perform on this step" },
    { title: "STEP 2", subtitle: "All the details to perform on this step" },
  ],
};
```

After that you only need to call `Form` and `Step` component in the following way

```html
<form {multiStepOptions}>
  <Step> // Here should be your form </Step>
</form>
```

## Submit form data

```html
<script>
  import axios from "axios";
  import { Form, Step } from "svelte-multistep-form";

let multiStepOptions = {
    formTitle: "New Title ✍️",
    formSubtitle: "Subtitle should be here",
    stepsDescription: [
      { title: "Input step", subtitle: "Input to fulfill" },
      { title: "Submit", subtitle: "Save!" },
    ],
  };
  let myInputValue;

const handleSubmit = () => {
    const formValues = {
      firstStepInput: myInputValue,
    };
    axios.post("http://my-internal-api/submit", formValues);
    myInputValue = "";
  };
</script>

<form {multiStepOptions}>
  <Step>
    <input
      class="your-custom-class"
      id="form-field"
      bind:value="{myInputValue}"
      placeholder="value here..."
    />
  </Step>
  <Step>
    <button class="your-custom-class" on:click|preventDefault="{handleSubmit}">
      Save me
    </button>
  </Step>
</form>
```

## Calling programatically nextStep and previousStep

```html
<script>
let FormComponentRef;
<script/>

<Form  bind:this={FormComponentRef} >
  <Step>
     <div>
        <input
          class="my-button-class"
          type="button"
          on:click|preventDefault={() => FormComponentRef.nextStep()}
        />
      </div>
    </Step>
    <Step>
      <div>
        <input
          class="my-button-class"
          type="button"
          on:click|preventDefault={() => FormComponentRef.previousStep()}
        />
      </div>
    </Step>
</Form>
```

## Examples

checkout `/examples` folder, run the following commands in order to run examples:

```bash
cd examples
npm i
npm run dev
```

Go to http://localhost:5000 to see it in action 🔥

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