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@hdsydsvenskan/forms-utils

v2.1.1

Published

A set of useful utilities for the forms module

Downloads

1,746

Readme

@hdsydsvenskan/forms-utils

A collection of fields, widgets and other useful utils for the forms module.

js-semistandard-style

Usage

const { customFields: fields } = require('@hdsydsvenskan/forms-utils');
const { fields, widgets } = require('forms');

const formDefinition = {
  description: customFields.html({
    label: 'Description',
    html: '<p>This is a HTML description</p>'
  }),
  items: customFields.multiObject({
    label: 'Items',
    rowField: {
      itemName: fields.string({ label: 'Name' }),
      itemValuee: fields.string({ label: 'Value' })
    }
  })
}

API

.fields

  • .basic – a basic field which can eg. be extended to create more complex fields
  • .html – a HTML field, which doesn't contain any actual form widget, but inserts a piece of HTML in its place instead (specified through a html property). Does not interact with any value of the field, neither gets or sets it.
  • .multiField – a multi row field for creating complex forms. Repeats a sub-form for every item in an array value + allows adding new items. Needs a piece of client side JS to delete rows and to make adding new rows easier.

.widgets

  • Basic – a basic widget which can eg. be extended to create more complex widgets. In itself it just prints the escaped value of the field.
  • Image – an image widget which can show a preview thumbnail, linking to the full image, along with a file upload field and a "remove" button

.utils

  • getUserAttrs() – mimics the one from forms itself
  • htmlEscape() – mimics the one from forms itself
  • tag() – mimics the one from forms itself

Promised Forms

  • promisedFormHandle(form, body) – takes a form definition and a body and handles the form through a Promise – resolving to { success: true, form }, { error: true, form } or { empty: true, form }
  • promisedFormHandles(forms, body) – same as promisedFormHandle, but with multiple form definitions. If any of those definitions return error: true, then it will return { error: true, forms }. If any forms is empty, then it will return { empty: true, forms }. Else it will return { success: true, forms }.

Browser JS

Multi Field

Example

import { multiField } from '@hdsydsvenskan/forms-utils/browser/multi-field';

const multiFieldSetup = multiFieldSetup({ dragula });

multiFieldSetup.init();

multiField(options)

  • [options.activateInContext(newRow)] – if provided, then this will be called for every new row added. This enables other pieces of javascript to run on those new rows – adding eg. autocomplete functionality or other interesting things
  • [options.dragula] – if drag and drop capabilities are wanted, then provide a version of Dragula 3.x
  • [options.textRemove] – the text to add to the remove buttons. Defaults to Remove.

Returns an object with two methods: initField(elem) and init([context]).

initField(elem) initiates the javascript for a specific multi field setup.

init([context]) initiates the javascript for aöö multi field setups within the context or document.