fix(textarea): respect rows prop by adjusting min-height in the ionic theme (#30957)

Issue number: resolves internal

---------

## What is the current behavior?
- The `rows` attribute is not respected in `ion-textarea` when lower
than 3. Some paddings and margins were applied in incorrect places in
the `ionic` theme.

## What is the new behavior?
- The ionic theme has the following changes:
- `.textarea-size-*` classes stopped forcing the `min-height` allowing
`rows` to adjust the height
- Added an end-to-end test file `textarea.e2e.ts` to verify that the
`rows` attribute is respected across different values, sizes, and with
auto-grow enabled.
- Introduced a new HTML test page (`index.html`) for visual/manual
testing of `ion-textarea` with different `rows` and `size` combinations,
and with auto-grow enabled.

## Does this introduce a breaking change?
- [ ] Yes
- [x] No

## Other information

- [Textarea:
Autogrow](https://ionic-framework-git-rou-12443-v4-ionic1.vercel.app/src/components/textarea/test/autogrow?ionic:theme=ionic)
- [Textarea:
Basic](https://ionic-framework-git-rou-12443-v4-ionic1.vercel.app/src/components/textarea/test/basic?ionic:theme=ionic)
- [Textarea:
Rows](https://ionic-framework-git-rou-12443-v4-ionic1.vercel.app/src/components/textarea/test/rows?ionic:theme=ionic)
- [Textarea:
Size](https://ionic-framework-git-rou-12443-v4-ionic1.vercel.app/src/components/textarea/test/size?ionic:theme=ionic)
- [Textarea:
Shape](https://ionic-framework-git-rou-12443-v4-ionic1.vercel.app/src/components/textarea/test/shape?ionic:theme=ionic)

---------

Co-authored-by: ionitron <hi@ionicframework.com>
Co-authored-by: Maria Hutt <thetaPC@users.noreply.github.com>
This commit is contained in:
rug
2026-02-20 10:14:15 +01:00
committed by GitHub
parent 177a6ea134
commit a6016f85bd
82 changed files with 321 additions and 102 deletions

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@@ -0,0 +1,119 @@
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="UTF-8" />
<title>Textarea - Rows</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0" />
<link href="../../../../../css/ionic.bundle.css" rel="stylesheet" />
<link href="../../../../../scripts/testing/styles.css" rel="stylesheet" />
<script src="../../../../../scripts/testing/scripts.js"></script>
<script nomodule src="../../../../../dist/ionic/ionic.js"></script>
<script type="module" src="../../../../../dist/ionic/ionic.esm.js"></script>
<style>
.grid {
display: grid;
grid-template-columns: repeat(3, minmax(250px, 1fr));
grid-row-gap: 20px;
grid-column-gap: 20px;
}
h2 {
font-size: 12px;
font-weight: normal;
color: #6f7378;
margin-top: 10px;
}
@media screen and (max-width: 800px) {
.grid {
grid-template-columns: 1fr;
padding: 0;
}
}
</style>
</head>
<body>
<ion-app>
<ion-header>
<ion-toolbar>
<ion-title>Textarea - Rows</ion-title>
</ion-toolbar>
</ion-header>
<ion-content id="content" class="ion-padding">
<div class="grid">
<!-- Different row values -->
<div class="grid-item">
<h2>Rows: 1</h2>
<ion-textarea
rows="1"
label="Small"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
<div class="grid-item">
<h2>Rows: 3</h2>
<ion-textarea
rows="3"
label="Medium"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
<div class="grid-item">
<h2>Rows: 8</h2>
<ion-textarea
rows="8"
label="Large"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
<!-- Different sizes -->
<div class="grid-item">
<h2>Rows: 3, Size Small</h2>
<ion-textarea
rows="3"
size="small"
label="Small Size"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
<div class="grid-item">
<h2>Rows: 3, Size Medium</h2>
<ion-textarea
rows="3"
size="medium"
label="Medium Size"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
<div class="grid-item">
<h2>Rows: 3, Size Large</h2>
<ion-textarea
rows="3"
size="large"
label="Large Size"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
<!-- Auto-grow -->
<div class="grid-item">
<h2>Rows: 3, Auto-grow</h2>
<ion-textarea
rows="3"
auto-grow="true"
label="Comments"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
</div>
</ion-content>
</ion-app>
</body>
</html>

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@@ -0,0 +1,88 @@
import { expect } from '@playwright/test';
import { configs, test } from '@utils/test/playwright';
/**
* This behavior does not vary across directions
* This behavior only applies to the `ionic` theme.
*/
configs({ modes: ['ionic-md'], directions: ['ltr'] }).forEach(({ title, screenshot, config }) => {
test.describe(title('textarea: rows'), () => {
test('should respect rows attribute', async ({ page }) => {
await page.setContent(
`
<div id="container" style="display: flex; flex-direction: column; gap: 20px;">
<ion-textarea
rows="1"
label="Comments"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
<ion-textarea
rows="3"
label="Comments"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
<ion-textarea
rows="8"
label="Comments"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
`,
config
);
const container = page.locator('#container');
await expect(container).toHaveScreenshot(screenshot(`textarea-rows`));
});
test('should respect rows attribute with different sizes', async ({ page }) => {
await page.setContent(
`
<div id="container" style="display: flex; flex-direction: column; gap: 20px;">
<ion-textarea
rows="3"
size="small"
label="Small Size"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
<ion-textarea
rows="3"
size="medium"
label="Medium Size"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
<ion-textarea
rows="3"
size="large"
label="Large Size"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
`,
config
);
const container = page.locator('#container');
await expect(container).toHaveScreenshot(screenshot(`textarea-rows-sizes`));
});
test('should respect rows when auto-grow is enabled', async ({ page }) => {
await page.setContent(
`
<div id="container" style="display: flex; flex-direction: column; gap: 20px;">
<ion-textarea
rows="3"
auto-grow="true"
label="Comments"
value="1&#10;2&#10;3&#10;4&#10;5&#10;6&#10;7&#10;8&#10;9&#10;0"
></ion-textarea>
</div>
`,
config
);
const container = page.locator('#container');
await expect(container).toHaveScreenshot(screenshot(`textarea-rows-autogrow`));
});
});
});

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@@ -53,13 +53,6 @@
border-top: none;
}
// Textarea Fill: Outline, Native Textarea
// ----------------------------------------------------------------
:host(.textarea-fill-outline) textarea {
margin-top: globals.$ion-space-100;
}
// Focus
// ----------------------------------------------------------------

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@@ -27,19 +27,11 @@
// Ionic Textarea Sizes
// --------------------------------------------------
// Setting height to 0 allows it to collapse in height
// instead of growing above the min height by default.
.textarea-wrapper-inner {
height: 0;
}
:host(.textarea-size-small) .textarea-wrapper-inner {
--padding-top: #{globals.$ion-space-200};
--padding-end: #{globals.$ion-space-300};
--padding-bottom: #{globals.$ion-space-200};
--padding-start: #{globals.$ion-space-300};
min-height: globals.$ion-scale-2800;
}
:host(.textarea-size-medium) .textarea-wrapper-inner {
@@ -47,8 +39,6 @@
--padding-end: #{globals.$ion-space-400};
--padding-bottom: #{globals.$ion-space-300};
--padding-start: #{globals.$ion-space-400};
min-height: globals.$ion-scale-3400;
}
:host(.textarea-size-large) .textarea-wrapper-inner {
@@ -56,8 +46,13 @@
--padding-end: #{globals.$ion-space-500};
--padding-bottom: #{globals.$ion-space-400};
--padding-start: #{globals.$ion-space-500};
}
min-height: globals.$ion-scale-3600;
// Native Textarea
// --------------------------------------------------
:host .native-wrapper::after {
@include globals.padding(0);
}
// Ionic Textarea Shapes
@@ -75,17 +70,6 @@
--border-radius: #{globals.$ion-rectangular-xl};
}
// Textarea Wrapper
// ----------------------------------------------------------------
.textarea-wrapper {
gap: globals.$ion-space-100;
}
.textarea-wrapper-inner {
@include globals.padding(var(--padding-top), var(--padding-end), var(--padding-bottom), var(--padding-start));
}
// Textarea Auto Grow
// ----------------------------------------------------------------
@@ -101,36 +85,54 @@
max-height: inherit;
}
// Textarea Label
// Textarea Wrapper
// ----------------------------------------------------------------
.label-text-wrapper {
@include globals.typography(globals.$ion-body-sm-medium);
max-width: globals.$ion-scale-5000;
transition: color globals.$ion-transition-time-150 globals.$ion-transition-curve-expressive,
transform globals.$ion-transition-time-150 globals.$ion-transition-curve-expressive;
color: globals.$ion-text-subtle;
.textarea-wrapper {
gap: globals.$ion-space-100;
}
:host(.label-floating) .label-text-wrapper {
@include globals.transform(none);
.textarea-wrapper-inner {
@include globals.padding(var(--padding-top), var(--padding-end), var(--padding-bottom), var(--padding-start));
}
// Textarea Slotted Content
:host([rows]:not([auto-grow])) .textarea-wrapper-inner {
@include globals.padding(0, var(--padding-end), 0, var(--padding-start));
}
/**
* Top and bottom padding are applied to ensure that text remains visible
* as it scrolls past the container boundaries. This provides a "sneak peek"
* of the content transitioning off-screen, mirroring native textarea behavior
* where text isn't immediately clipped or "glued" to the border at the
* scroll limits.
*/
:host([rows]:not([auto-grow])) .textarea-wrapper-inner .native-textarea {
padding-top: var(--padding-top);
padding-bottom: var(--padding-bottom);
}
// Textarea Highlight
// ----------------------------------------------------------------
ion-icon {
--color: globals.$ion-icon-subtlest;
font-size: globals.$ion-scale-400;
:host(.has-focus.ion-valid),
:host(.ion-touched.ion-invalid) {
--border-width: #{globals.$ion-border-size-025};
}
.start-slot-wrapper,
.end-slot-wrapper {
margin-top: globals.$ion-space-050;
.textarea-highlight {
@include globals.position(null, null, -1px, 0);
position: absolute;
width: 100%;
height: globals.$ion-border-size-050;
transform: scale(0);
transition: transform globals.$ion-transition-time-200;
background: var(--border-color);
}
// Textarea Bottom Content
@@ -154,27 +156,83 @@ ion-icon {
color: var(--highlight-color-valid);
}
:host(.has-focus.ion-valid),
:host(.ion-touched.ion-invalid) {
--border-width: #{globals.$ion-border-size-025};
}
// Textarea Highlight
// Textarea Label
// ----------------------------------------------------------------
.textarea-highlight {
@include globals.position(null, null, -1px, 0);
.label-text-wrapper {
@include globals.typography(globals.$ion-body-sm-medium);
position: absolute;
max-width: globals.$ion-scale-5000;
width: 100%;
height: globals.$ion-border-size-050;
transition: color globals.$ion-transition-time-150 globals.$ion-transition-curve-expressive,
transform globals.$ion-transition-time-150 globals.$ion-transition-curve-expressive;
transform: scale(0);
color: globals.$ion-text-subtle;
}
transition: transform globals.$ion-transition-time-200;
:host(.label-floating) .label-text-wrapper {
@include globals.transform(none);
}
background: var(--border-color);
/**
* This makes the label sit above the textarea.
*/
:host(.label-floating) .label-text-wrapper {
$form-control-label-stacked-scale: 0.75;
/**
* Label text should not extend
* beyond the bounds of the textarea.
*/
max-width: calc(100% / #{$form-control-label-stacked-scale});
}
.textarea-wrapper textarea {
/**
* When the floating label appears on top of the
* textarea, we need to fade the textarea out so that the
* label does not overlap with the placeholder.
*/
transition: opacity globals.$ion-transition-time-150 globals.$ion-transition-curve-expressive;
}
// Textarea Label Placement - Fixed
// ----------------------------------------------------------------
/**
* Label is on the left of the textarea in LTR and
* on the right in RTL. Label also has a fixed width.
*/
:host(.textarea-label-placement-fixed) .label-text {
$text-wrapper-width: calc(globals.$ion-scale-2400 + globals.$ion-space-100);
flex: 0 0 $text-wrapper-width;
width: $text-wrapper-width;
min-width: $text-wrapper-width;
max-width: globals.$ion-scale-5000;
}
// Textarea Slotted Content
// ----------------------------------------------------------------
ion-icon {
--color: globals.$ion-icon-subtlest;
font-size: globals.$ion-scale-400;
}
// Start / End Slots
// ----------------------------------------------------------------
.start-slot-wrapper,
.end-slot-wrapper {
margin-top: globals.$ion-space-050;
}
:host([rows]:not([auto-grow])) .start-slot-wrapper,
:host([rows]:not([auto-grow])) .end-slot-wrapper {
@include globals.padding(var(--padding-top), 0, var(--padding-bottom), 0);
}
// Textarea Focus
@@ -237,42 +295,3 @@ ion-icon {
:host(.textarea-readonly) {
--background: #{globals.$ion-bg-input-read-only};
}
/**
* This makes the label sit above the textarea.
*/
:host(.label-floating) .label-text-wrapper {
$form-control-label-stacked-scale: 0.75;
/**
* Label text should not extend
* beyond the bounds of the textarea.
*/
max-width: calc(100% / #{$form-control-label-stacked-scale});
}
.textarea-wrapper textarea {
/**
* When the floating label appears on top of the
* textarea, we need to fade the textarea out so that the
* label does not overlap with the placeholder.
*/
transition: opacity globals.$ion-transition-time-150 globals.$ion-transition-curve-expressive;
}
// Textarea Label Placement - Fixed
// ----------------------------------------------------------------
/**
* Label is on the left of the textarea in LTR and
* on the right in RTL. Label also has a fixed width.
*/
:host(.textarea-label-placement-fixed) .label-text {
$text-wrapper-width: calc(globals.$ion-scale-2400 + globals.$ion-space-100);
flex: 0 0 $text-wrapper-width;
width: $text-wrapper-width;
min-width: $text-wrapper-width;
max-width: globals.$ion-scale-5000;
}