feat: add text area component (devhatt#276)

* feat: add text area component

* refactor: use existing color from color file

* refactor: remove container class

* refactor: add default values ​​for parameters

* refactor: fix object assign

* refactor: clear events

* refactor: add the font family to the font style file

* refactor: fix storybook argTypes

* refactor: fix default args to max length

* refactor: change event names to follow the pattern

* refactor: fix BEM

* refactor: remove public method

* refactor: remove max length check

* refactor: add require to true by default

* refactor: add default max length value for Infinity

* refactor: remove infinite as maximum size for textarea

* chore: fix parsing error eslint

* refactor: fix logic to set maximum input size

---------

Co-authored-by: Alexandre Gomes <[email protected]>

.eslintrc.json

@@ -12,6 +12,9 @@
       }
     }
   },
+  "parserOptions": {
+    "ecmaVersion": 2024
+  },
   "rules": {
     "no-console": [
       "warn",

src/components/TextArea/index.js

@@ -0,0 +1,83 @@
+import { Component } from 'pet-dex-utilities';
+import './index.scss';
+
+const events = [
+  'name:change',
+  'placeholder:change',
+  'maxLength:change',
+  'required:change',
+  'error',
+];
+
+const html = `
+  <div class="textarea">
+    <textarea class="textarea__input" data-select="textarea" rows="1" cols="1"></textarea>
+    <span class="textarea__trigger" data-select="resize-trigger" contenteditable></span>
+  </div>
+`;
+
+export default function TextArea({
+  name = '',
+  placeholder = '',
+  maxLength,
+  required = true,
+}) {
+  Component.call(this, { html, events });
+  const $textarea = this.selected.get('textarea');
+  const $resizeTrigger = this.selected.get('resize-trigger');
+
+  this.setName(name);
+  this.setPlaceholder(placeholder);
+  this.setRequired(required);
+  if (maxLength) this.setMaxLength(maxLength);
+
+  function autoResize() {
+    $resizeTrigger.innerText = $textarea.value;
+
+    $textarea.style.height = 'auto';
+    $textarea.style.height = `${$resizeTrigger.offsetHeight}px`;
+  }
+
+  this.listen('mount', () => {
+    $textarea.addEventListener('focus', () =>
+      $textarea.classList.remove('textarea__input--error'),
+    );
+    $textarea.addEventListener('input', autoResize);
+    window.addEventListener('resize', autoResize);
+  });
+
+  this.listen('unmount', () => {
+    $textarea.removeEventListener('focus', () =>
+      $textarea.classList.remove('textarea__input--error'),
+    );
+    $textarea.removeEventListener('input', autoResize);
+    window.removeEventListener('resize', autoResize);
+  });
+}
+
+TextArea.prototype = Object.assign(TextArea.prototype, Component.prototype, {
+  setName(name = '') {
+    this.selected.get('textarea').name = name;
+    this.emit('name:change', name);
+  },
+  setPlaceholder(placeholder = '') {
+    this.selected.get('textarea').placeholder = placeholder;
+    this.emit('placeholder:change', placeholder);
+  },
+  setMaxLength(maxLength) {
+    const $textArea = this.selected.get('textarea');
+
+    if (maxLength) $textArea.maxLength = maxLength;
+    else $textArea.removeAttribute('maxlength');
+
+    this.emit('maxLength:change', maxLength ?? Infinity);
+  },
+  setRequired(required = true) {
+    this.selected.get('textarea').required = required;
+    this.emit('required:change', required);
+  },
+  error() {
+    this.selected.get('textarea').classList.add('textarea__input--error');
+    this.emit('error');
+  },
+});

src/components/TextArea/index.scss

@@ -0,0 +1,56 @@
+@use '~styles/fonts.scss' as fonts;
+@use '~styles/colors.scss' as colors;
+
+.textarea {
+  position: relative;
+
+  &__input,
+  &__trigger {
+    width: 100%;
+
+    font-family: fonts.$fifthFont;
+    font-size: fonts.$sm;
+    line-height: 1;
+  }
+
+  &__input {
+    overflow: hidden;
+
+    padding-bottom: 1.4rem;
+
+    border: unset;
+    border-bottom: 0.1rem solid colors.$gray400;
+
+    position: relative;
+    z-index: 1;
+
+    outline-color: transparent;
+
+    transition: 0.2s ease-in-out outline;
+
+    resize: none;
+
+    &::placeholder {
+      color: colors.$gray400;
+    }
+
+    &:focus {
+      outline-color: colors.$primary200;
+    }
+
+    &--error {
+      color: colors.$secondary100;
+
+      background: colors.$error100;
+    }
+  }
+
+  &__trigger {
+    display: block;
+
+    position: absolute;
+    top: 0;
+
+    visibility: hidden;
+  }
+}

src/stories/TextArea.stories.js

@@ -0,0 +1,26 @@
+import Textarea from '../components/TextArea';
+
+export default {
+  title: 'Components/TextArea',
+  render: (args) => {
+    const textarea = new Textarea(args);
+    const $container = document.createElement('div');
+    textarea.mount($container);
+
+    return $container;
+  },
+  argTypes: {
+    name: { control: 'text', default: '' },
+    placeholder: { control: 'text', default: '' },
+    maxLength: { control: 'number', default: 524288 },
+    required: { control: 'boolean', default: true },
+  },
+};
+
+export const Default = {
+  args: {
+    name: 'textarea',
+    placeholder: 'Escreva o cuidado especial',
+    required: true,
+  },
+};

src/styles/fonts.scss

@@ -2,6 +2,7 @@ $primaryFont: 'Montserrat', sans-serif;
 $secondaryFont: 'Wix Madefor Display', sans-serif;
 $tertiaryFont: 'Helvetica', sans-serif;
 $fourthFont: 'Noto Sans', sans-serif;
+$fifthFont: 'Poppins', sans-serif;
 
 $xs: 1.4rem;
 $sm: 1.6rem;