vue-tform
v1.0.5
Published
Lightweight Vue 2 form control library
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📝 TForm - Lightweight Form Helper
:question: What is tform?
TForm is Vue form helper. It's making development faster. To validation TForm use yup library. Great to use with any UI library like Vuetify.
:hammer: Installation
npm i vue-tform
:rocket: Getting started
Basic usage
<template>
<form
@submit.prevent="(e) => form.handleSubmit(e)"
@focusout="(e) => form.handleFocusOut(e)"
@focusin="(e) => form.handleFocusIn(e)"
>
<input
name="example"
:disabled="form.errors.any.example"
v-model="form.values.example"
/>
<label>{{ form.errors.first.example }}</label>
</form>
</template>
<script lang="ts">
import { Component, Vue } from "vue-property-decorator";
import * as yup from "yup";
import TForm from "vue-tform";
interface Model {
example: string;
}
@Component({})
export default class Example extends Vue {
private form<Model> = new TForm<Model>({
initialValues: { example: "" },
validationSchema: {
example: yup.string().required()
}
})
}
</script>
:page_facing_up: Docs
Available data
Values
Current form values object. You can get input value by "form.values.field-name" for eg. form.values.example.
Errors
Current form errors object.
interface errors<T>: {
first: string, // First error message for any form field - get by form.errors.first.example
last: string, // Last error message for any form field - get by form.errors.last.example
any: boolean, // Boolean state - has field any error - get by form.errors.any.example
count: number, // Errors count for any form field - get by form.errors.count.example
all: string[] // Errors messages array for all form fields - get by form.errors.all.example
}
Pending
Current validation pending state for all fields and loading state for whole form.
interface pending<T>: {
example: boolean, // boolean state of validation,
form: boolean, // is form blocked
}
Available methods
reset()
Reset form errors and values
wait()
Block form ( set pending state for form ). Use when you want to load any data asynchronously
continue()
Unblock form
validate()
Validate whole form sync. Returns boolean state - isFormValid
private handleSubmit(): void { const isValid: boolean = this.form.validate(); if(isValid) doSomething(); }
validateAsync()
Validate whole form async. Returns boolean state - isFormValid
private async handleSubmit(): Promise<void> { const isValid: boolean = await this.form.validateAsync(); if(isValid) doSomething(); }
handleFocusIn(e: Event)
Handle form focusin event. You have to pass it as arrow function with event parameter. You have to pass this form method as function invoked in arrow function.
<template> <form @focusin="e => form.handleFocusIn(e)">...</form> </template>
handleFocusOut(e: Event)
Handle form focusout event. You have to pass it as arrow function with event parameter You have to pass this form method as function invoked in arrow function.
<template> <form @focusout="e => form.handleFocusOut(e)">...</form> </template>
handleSubmit()
Handle form submit event. Use only when you want to validate on submit. You have to pass this form method as function invoked in arrow function.
<template> <form @submit.prevent="e => form.handleSubmit(e)">...</form> </template>