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Add support many nested forms #5

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1135860
Add support many nested forms
NikitaNaumenko May 8, 2021
11f2406
use ts
NikitaNaumenko Jul 11, 2021
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135 changes: 135 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -202,6 +202,141 @@ <h1 class="text-4xl tracking-tight font-extrabold text-gray-900 sm:text-5xl md:t
</section>
</div>

<div class="relative h-full max-w-5xl mx-auto px-4">
<section class="mt-16">
<form data-controller="nested-form">
<template data-nested-form-target="template" data-model-template="todo">
<div class="mt-4 nested-form-wrapper" data-new-record="true">
<label for="NEW_RECORD" class="block text-sm font-medium leading-5 text-gray-700">New todo</label>
<div class="mt-1 flex relative rounded-md shadow-sm">
<input
id="NEW_RECORD"
name="user[todos_attributes][NEW_RECORD][description]"
class="appearance-none border w-full py-2 px-3 rounded-l-md text-gray-700 leading-tight focus:outline-none focus:shadow-outline"
placeholder="Your todo"
/>

<button
class="cursor-pointer inline-flex items-center px-3 rounded-r-md border border-l-0 border-gray-300 bg-gray-100 text-gray-500 sm:text-sm"
type="button"
data-action="nested-form#remove"
title="Remove todo"
>
X
</button>

<input type="hidden" name="user[todos_attributes][NEW_RECORD][_destroy]" />
</div>
</div>
</template>

<template data-nested-form-target="template" data-model-template="note">
<div class="mt-4 nested-form-wrapper" data-new-record="true">
<label for="NEW_RECORD" class="block text-sm font-medium leading-5 text-gray-700">New note</label>
<div class="mt-1 flex relative rounded-md shadow-sm">
<input
id="NEW_RECORD"
type="text"
name="user[note_attributes][NEW_RECORD][description]"
class="appearance-none border w-full py-2 px-3 rounded-l-md text-gray-700 leading-tight focus:outline-none focus:shadow-outline"
placeholder="Your note"
/>

<button
class="cursor-pointer inline-flex items-center px-3 rounded-r-md border border-l-0 border-gray-300 bg-gray-100 text-gray-500 sm:text-sm"
type="button"
data-action="nested-form#remove"
title="Remove note"
>
X
</button>

<input type="hidden" name="user[note_attributes][NEW_RECORD][_destroy]" />
</div>
</div>
</template>

<div class="mt-4 nested-form-wrapper" data-new-record="false">
<label for="todo-1" class="block text-sm font-medium leading-5 text-gray-700">Your todo</label>
<div class="mt-1 flex relative rounded-md shadow-sm">
<input
id="todo-1"
name="user[todos_attributes][0][description]"
class="appearance-none border w-full py-2 px-3 rounded-l-md text-gray-700 leading-tight focus:outline-none focus:shadow-outline"
value="Pet the cat"
/>

<button
class="cursor-pointer inline-flex items-center px-3 rounded-r-md border border-l-0 border-gray-300 bg-gray-100 text-gray-500 sm:text-sm"
type="button"
data-action="nested-form#remove"
title="Remove todo"
>
X
</button>

<input type="hidden" name="user[todos_attributes][0][_destroy]" />
</div>
</div>

<div id="nested-form-target-todo" data-nested-form-target="target" data-model-target="todo"></div>

<button
id="nested-form-button-todo"
type="button"
data-action="nested-form#add"
data-model="todo"
class="mt-4 bg-white hover:bg-gray-100 text-gray-800 font-semibold py-2 px-4 border rounded shadow nested-form-action"
>
Add todo
</button>

<div class="mt-4 nested-form-wrapper" data-new-record="false">
<label for="todo-1" class="block text-sm font-medium leading-5 text-gray-700">Your note</label>
<div class="mt-1 flex relative rounded-md shadow-sm">
<input
id="note-1"
type="text"
name="user[notes_attributes][0][description]"
class="appearance-none border w-full py-2 px-3 rounded-l-md text-gray-700 leading-tight focus:outline-none focus:shadow-outline"
value="Buy fancy food for cat"
/>

<button
class="cursor-pointer inline-flex items-center px-3 rounded-r-md border border-l-0 border-gray-300 bg-gray-100 text-gray-500 sm:text-sm"
type="button"
data-action="nested-form#remove"
title="Remove note"
>
X
</button>

<input type="hidden" name="user[notes_attributes][0][_destroy]" />
</div>
</div>

<div id="nested-form-target-note" data-nested-form-target="target" data-model-target="note"></div>

<button
id="nested-form-button-note"
type="button"
data-action="nested-form#add"
data-model="note"
class="mt-4 bg-white hover:bg-gray-100 text-gray-800 font-semibold py-2 px-4 border rounded shadow nested-form-action"
>
Add note
</button>

<button
type="submit"
class="mt-4 bg-indigo-600 hover:bg-indigo-400 text-white font-semibold py-2 px-4 border rounded shadow"
>
Save
</button>
</form>
</section>
</div>

<!-- This example requires Tailwind CSS v2.0+ -->
<footer class="bg-white">
<div class="max-w-7xl mx-auto py-12 px-4 overflow-hidden sm:px-6 lg:px-8">
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34 changes: 31 additions & 3 deletions spec/index.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,19 +12,32 @@ describe('#nestedForm', (): void => {

document.body.innerHTML = `
<form data-controller="nested-form">
<template data-nested-form-target="template">
<template data-nested-form-target="template" data-model-template="todo">
<div class="nested-form-wrapper" data-new-record="true">
<label for="NEW_RECORD">New todo</label>
</div>
</template>

<template data-nested-form-target="template" data-model-template="note">
<div class="nested-form-wrapper" data-new-record="true">
<label for="NEW_RECORD">New note</label>
</div>
</template>

<div>
<label>Your todo</label>
</div>

<div data-nested-form-target="target"></div>
<div id="nested-form-target-todo" data-nested-form-target="target" data-model-target="todo"></div>
<button type="button" data-action="nested-form#add" data-model="todo" class="nested-form-action">Add todo</button>

<div>
<label>Your note</label>
</div>

<div id="nested-form-target-note" data-nested-form-target="target" data-model-target="note"></div>

<button type="button" data-action="nested-form#add">Add todo</button>
<button type="button" data-action="nested-form#add" data-model="note" class="nested-form-action">Add note</button>
</form>
`
})
Expand All @@ -39,4 +52,19 @@ describe('#nestedForm', (): void => {

expect(target.previousElementSibling.innerHTML).toContain('New todo')
})

it('should toggle with many nested forms', (): void => {
const todoButton: HTMLButtonElement = document.querySelector('[data-model="todo"]')
const todoTarget: HTMLElement = document.querySelector('#nested-form-target-todo')
const noteButton: HTMLButtonElement = document.querySelector('[data-model="note"]')
const noteTarget: HTMLElement = document.querySelector('#nested-form-target-note')

expect(todoTarget.previousElementSibling.innerHTML).toContain('Your todo')
todoButton.click()
expect(todoTarget.previousElementSibling.innerHTML).toContain('New todo')

expect(noteTarget.previousElementSibling.innerHTML).toContain('Your note')
noteButton.click()
expect(noteTarget.previousElementSibling.innerHTML).toContain('New note')
})
})
29 changes: 26 additions & 3 deletions src/index.ts
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Expand Up @@ -5,21 +5,44 @@ export default class extends Controller {
templateTarget: HTMLElement
wrapperSelectorValue: string
wrapperSelector: string
actionSelector: string
actionSelectorValue: string
templateTargets: HTMLElement[]
targetTargets: HTMLElement[]

static targets = ['target', 'template']
static values = {
wrapperSelector: String
wrapperSelector: String,
actionSelector: String
}

initialize (): void {
this.wrapperSelector = this.wrapperSelectorValue || '.nested-form-wrapper'
this.actionSelector = this.actionSelectorValue || '.nested-form-action'
}

add (e: Event) {
e.preventDefault()

const content: string = this.templateTarget.innerHTML.replace(/NEW_RECORD/g, new Date().getTime().toString())
this.targetTarget.insertAdjacentHTML('beforebegin', content)
// @ts-ignore
const actionSelector: HTMLElement = e.target.closest(this.actionSelector)
const insertHTML = (target: HTMLElement, content: string) => {
target.insertAdjacentHTML('beforebegin', content)
}

const stringifyTimestamp: string = new Date().getTime().toString()

if (actionSelector) {
const model = actionSelector.dataset.model
const templateTarget = this.templateTargets.find(el => el.dataset.modelTemplate === model)
const target = this.targetTargets.find(el => el.dataset.modelTarget === model)
const content = templateTarget.innerHTML.replace(/NEW_RECORD/g, stringifyTimestamp)
insertHTML(target, content)
} else {
const content = this.templateTarget.innerHTML.replace(/NEW_RECORD/g, stringifyTimestamp)
this.targetTarget.insertAdjacentHTML('beforebegin', content)
insertHTML(this.targetTarget, content)
}
}

remove (e: Event): void {
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