metamask-extension/ui/components/component-library/text

import { Story, Canvas, ArgsTable } from '@storybook/addon-docs';
import ActionableMessage from '../../ui/actionable-message';
import { Text } from './text';

# Text

> This Text (fka Typography) component has breaking changes in variant options and the line heights associated to each variant.

Good typography improves readability, legibility and hierarchy of information.

<Canvas>
  <Story id="components-componentlibrary-text--default-story" />
</Canvas>

## Props

The `Text` accepts all props below as well as all [Box](/docs/components-ui-box--default-story#props) component props

<ArgsTable of={Text} />

### Variant

Use the `variant` prop and the `TEXT` object from `./ui/helpers/constants/design-system.js` to change the font size of the component.

Optional: `TEXT_VARIANTS` from ./text object can also be used.

<Canvas>
  <Story id="components-componentlibrary-text--variant" />
</Canvas>

```jsx
import { Text } from '../../component-library';
import { TextVariant } from '../../../helpers/constants/design-system';

<Text variant={TextVariant.displayMd}>display-md</Text>
<Text variant={TextVariant.headingLg}>heading-lg</Text>
<Text variant={TextVariant.headingMd}>heading-md</Text>
<Text variant={TextVariant.headingSm}>heading-sm</Text>
<Text variant={TextVariant.bodyLgMedium}>body-lg-medium</Text>
<Text variant={TextVariant.bodyMd}>body-md</Text>
<Text variant={TextVariant.bodyMdBold}>body-md-bold</Text>
<Text variant={TextVariant.bodySm}>body-sm</Text>
<Text variant={TextVariant.bodySmBold}>body-sm-bold</Text>
<Text variant={TextVariant.bodyXs}>body-xs</Text>
<Text variant={TextVariant.inherit}>inherit</Text>
```

### Color

Use the `color` prop and the `COLORS` object from `./ui/helpers/constants/design-system.js` to change the color of the `Text` component.

<Canvas>
  <Story id="components-componentlibrary-text--color" />
</Canvas>

```jsx
import { Text } from '../../component-library';
import { TextColor, BackgroundColor } from '../../../helpers/constants/design-system';

<Text color={TextColor.textDefault}>
  text-default
</Text>
<Text color={TextColor.textAlternative}>
  text-alternative
</Text>
<Text color={TextColor.textMuted}>
  text-muted
</Text>
<Text color={TextColor.primaryDefault}>
  primary-default
</Text>
<Text color={TextColor.primaryInverse} backgroundColor={BackgroundColor.primaryDefault}>
  primary-inverse
</Text>
<Text color={TextColor.errorDefault}>
  error-default
</Text>
<Text color={TextColor.errorInverse} backgroundColor={BackgroundColor.errorDefault}>
  error-inverse
</Text>
<Text color={TextColor.successDefault}>
  success-default
</Text>
<Text color={TextColor.successInverse} backgroundColor={BackgroundColor.successDefault}>
  success-inverse
</Text>
<Text color={TextColor.warningDefault}>
  warning-default
</Text>
<Text color={TextColor.warningInverse} backgroundColor={BackgroundColor.warningDefault}>
  warning-inverse
</Text>
<Text color={TextColor.infoDefault}>
  info-default
</Text>
<Text color={TextColor.infoInverse} backgroundColor={BackgroundColor.infoDefault}>
  info-inverse
</Text>
```

### Font Weight

Use the `fontWeight` prop and the `FONT_WEIGHT` object from `./ui/helpers/constants/design-system.js` to change the font weight of the `Text` component. There are 3 font weights:

- `FONT_WEIGHT.NORMAL` = `normal` || `400`
- `FONT_WEIGHT.MEDIUM` = `medium` || `500`
- `FONT_WEIGHT.BOLD` = `bold` || `700`

<Canvas>
  <Story id="components-componentlibrary-text--font-weight" />
</Canvas>

```jsx
import { Text } from '../../component-library';
import { FONT_WEIGHT } from '../../../helpers/constants/design-system';

<Text fontWeight={FONT_WEIGHT.NORMAL}>
  normal
</Text>
<Text fontWeight={FONT_WEIGHT.MEDIUM}>
  medium
</Text>
<Text fontWeight={FONT_WEIGHT.BOLD}>
  bold
</Text>
```

### Font Style

Use the `fontStyle` prop and the `FONT_STYLE` object from `./ui/helpers/constants/design-system.js` to change the font style of the `Text` component. There are 2 font styles:

- `FONT_STYLE.NORMAL`
- `FONT_STYLE.ITALIC`

<Canvas>
  <Story id="components-componentlibrary-text--font-style" />
</Canvas>

```jsx
import { Text } from '../../component-library';
import { FONT_STYLE } from '../../../helpers/constants/design-system';

<Text fontStyle={FONT_STYLE.NORMAL}>
  normal
</Text>
<Text fontStyle={FONT_STYLE.ITALIC}>
  bold
</Text>
```

### Text Transform

Use the `textTransform` prop and the `TEXT_TRANSFORM` object from `./ui/helpers/constants/design-system.js` to change the text alignment of the `Text` component

<Canvas>
  <Story id="components-componentlibrary-text--text-transform" />
</Canvas>

```jsx
import { Text } from '../../component-library';
import { TEXT_TRANSFORM } from '../../../helpers/constants/design-system';

<Text textAlign={TEXT_TRANSFORM.UPPERCASE}>
  uppercase
</Text>
<Text textAlign={TEXT_TRANSFORM.LOWERCASE}>
  lowercase
</Text>
<Text textAlign={TEXT_TRANSFORM.CAPITALIZE}>
  capitalize
</Text>
```

### Text Align

Use the `textAlign` prop and the `TEXT_ALIGN` object from `./ui/helpers/constants/design-system.js` to change the text alignment of the `Text` component

<Canvas>
  <Story id="components-componentlibrary-text--text-align" />
</Canvas>

```jsx
import { Text } from '../../component-library';
import { TEXT_ALIGN } from '../../../helpers/constants/design-system';

<Text textAlign={TEXT_ALIGN.LEFT}>
  left
</Text>
<Text textAlign={TEXT_ALIGN.CENTER}>
  center
</Text>
<Text textAlign={TEXT_ALIGN.RIGHT}>
  right
</Text>
<Text textAlign={TEXT_ALIGN.JUSTIFY}>
  justify
</Text>
<Text textAlign={TEXT_ALIGN.END}>
  end
</Text>
```

### Overflow Wrap

Use the `overflowWrap` prop and the `OVERFLOW_WRAP` object from `./ui/helpers/constants/design-system.js` to change the overflow wrap of the `Text` component

<Canvas>
  <Story id="components-componentlibrary-text--overflow-wrap" />
</Canvas>

```jsx
import { Text } from '../../component-library';
import { OVERFLOW_WRAP } from '../../../helpers/constants/design-system';

<div
  style={{
    width: 250,
    border: '1px solid var(--color-error-default)',
    display: 'block',
  }}
>
  <Text overflowWrap={OVERFLOW_WRAP.NORMAL}>
    {OVERFLOW_WRAP.NORMAL}: 0x39013f961c378f02c2b82a6e1d31e9812786fd9d
  </Text>
  <Text overflowWrap={OVERFLOW_WRAP.BREAK_WORD}>
    {OVERFLOW_WRAP.BREAK_WORD}: 0x39013f961c378f02c2b82a6e1d31e9812786fd9d
  </Text>
</div>;
```

### Ellipsis

Use the boolean `ellipsis` prop to change the if the `Text` component to have an ellipsis.

<Canvas>
  <Story id="components-componentlibrary-text--ellipsis" />
</Canvas>

```jsx
import { Text } from '../../component-library';

<div
  style={{
    width: 250,
    border: '1px solid var(--color-error-default)',
    display: 'block',
  }}
>
  <Text ellipsis>Ellipsis: 0x39013f961c378f02c2b82a6e1d31e9812786fd9d</Text>
  <Text>No Ellipsis: 0x39013f961c378f02c2b82a6e1d31e9812786fd9d</Text>
</div>;
```

### As

Use the `as` prop to change the root html element of the `Text` component

<Canvas>
  <Story id="components-componentlibrary-text--as" />
</Canvas>

```jsx
import { Text } from '../../component-library';

<Text as="dd">dd</Text>
<Text as="div">div</Text>
<Text as="dt">dt</Text>
<Text as="em">em</Text>
<Text as="h1">h1</Text>
<Text as="h2">h2</Text>
<Text as="h3">h3</Text>
<Text as="h4">h4</Text>
<Text as="h5">h5</Text>
<Text as="h6">h6</Text>
<Text as="li">li</Text>
<Text as="p">p</Text>
<Text as="span">span</Text>
<Text as="strong">strong</Text>
<Text as="input" placeholder="input"></Text>
```

Renders the html:

```html
<dd>dd</dd>
<div>div</div>
<dt>dt</dt>
<em>em</em>
<h1>h1</h1>
<h2>h2</h2>
<h3>h3</h3>
<h4>h4</h4>
<h5>h5</h5>
<h6>h6</h6>
<li>li</li>
<p>p</p>
<span>span</span>
<strong>strong</strong>
<input placeholder="input" />
```

### Text Direction

Use the `textDirection` prop and the `TEXT_DIRECTIONS` object from `./text.constants.js` to change the text direction of `Text`

<Canvas>
  <Story id="components-componentlibrary-text--text-direction" />
</Canvas>

```jsx
import { Text, TEXT_DIRECTIONS } from '../../component-library';

<Text textDirection={TEXT_DIRECTIONS.LEFT_TO_RIGHT}>
  This is left to right (ltr) for English and most languages
</Text>
<Text textDirection={TEXT_DIRECTIONS.RIGHT_TO_LEFT}>
  This is right to left (rtl) for use with other laguanges such as Arabic. This Enlgish example is incorrect usage.
</Text>
<Text textDirection={TEXT_DIRECTIONS.AUTO}>
  Let the user agent decide with the auto option
</Text>
```

### Box Props

Use any valid box props [Box](/?path=/story/components-ui-box--default-story) component props to the Text component.

### Class Name

Adds an additional class to the `Text` component

### Children

The text content of the `Text` component