Add typescript definitions

Closes #79

types/FormWizard.ts

@@ -0,0 +1,33 @@
+export type ShapeType = 'circle' | 'square' | 'tab'
+export type LayoutType = 'vertical' | 'horizontal'
+export type StepSizeType = 'xs' | 'sm' | 'md' | 'lg'
+
+export declare class Wizard {
+  /** Wizard title */
+  title: string
+  /** Wizard subtitle */
+  subtitle: string
+  nextButtonText: string
+  backButtonText: string
+  finishButtonText: string
+  /** Whether to hide footer buttons */
+  hideButtons: boolean
+  /** Whether to trigger beforeChange function when navigating back */
+  validateOnBack: boolean
+  /** Active step and button color */
+  color: string
+  /** Step color when the current step is not valid */
+  errorColor: string
+  /** Main step shape */
+  shape: ShapeType
+  /** Wizard layout */
+  layout: LayoutType
+  /** Additional css classes for steps */
+  stepsClasses: string[]
+  /** Step size */
+  stepSize: StepSizeType
+  /** Step transition from inactive to active */
+  transition: string
+  /** Tab index where the wizard should start */
+  startIndex: number
+}

types/TabContent.ts

@@ -0,0 +1,14 @@
+export declare class Tab {
+  /** Title to be displayed under each step */
+  title?: string
+  /** css class for each step icon */
+  icon?: string
+  /***
+   * Function to execute before tab switch. Return value must be boolean
+   * If the return result is false, tab switch is restricted
+   */
+  beforeChange (): boolean | Promise
+  /** Vue router route object */
+  route: string | object
+  additionalInfo: object
+}

types/WizardStep.ts

@@ -0,0 +1,6 @@
+export declare class Step {
+  /** Tab component for the step. This should be usually passed through the `step` scoped slot */
+  tab: object
+  transition: string
+  index: number
+}

types/index.d.ts

@@ -0,0 +1,12 @@
+import Vue from 'vue'
+
+export function install (vue: typeof Vue): void
+
+import { Wizard } from './FormWizard'
+import { Tab } from './TabContent'
+import { Step } from './WizardStep'
+
+export class FormWizard extends Wizard {}
+export class TabContent extends Tab {}
+export class WizardStep extends Step {}
+