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| 1 | +import React, { ElementType } from 'react' |
| 2 | +import styled, { css } from 'styled-components' |
| 3 | +import { |
| 4 | + PolymorphicProps, |
| 5 | + PolymorphicRef |
| 6 | +} from '../types/PolymorphicElementProps' |
| 7 | + |
| 8 | +const variants = { |
| 9 | + default: css``, |
| 10 | + description: css` |
| 11 | + color: ${({ theme }) => theme.color.text.secondary.main}; |
| 12 | + `, |
| 13 | + h1: css` |
| 14 | + display: block; |
| 15 | + font-weight: 800; |
| 16 | + font-size: 2em; |
| 17 | + letter-spacing: -0.04ch; |
| 18 | + margin-block-start: 0.67em; |
| 19 | + margin-block-end: 0.67em; |
| 20 | + margin-inline-start: 0px; |
| 21 | + margin-inline-end: 0px; |
| 22 | + `, |
| 23 | + h2: css` |
| 24 | + display: block; |
| 25 | + font-weight: 800; |
| 26 | + font-size: 1.5em; |
| 27 | + letter-spacing: -0.02ch; |
| 28 | + margin-block-start: 0.83em; |
| 29 | + margin-block-end: 0.83em; |
| 30 | + margin-inline-start: 0px; |
| 31 | + margin-inline-end: 0px; |
| 32 | + `, |
| 33 | + h3: css` |
| 34 | + display: block; |
| 35 | + font-weight: 800; |
| 36 | + font-size: 1.2em; |
| 37 | + margin-block-start: 1em; |
| 38 | + margin-block-end: 1em; |
| 39 | + margin-inline-start: 0px; |
| 40 | + margin-inline-end: 0px; |
| 41 | + `, |
| 42 | + h4: css` |
| 43 | + display: block; |
| 44 | + font-weight: 800; |
| 45 | + font-size: 1em; |
| 46 | + letter-spacing: 0.02ch; |
| 47 | + margin-block-start: 1em; |
| 48 | + margin-block-end: 1em; |
| 49 | + margin-inline-start: 0px; |
| 50 | + margin-inline-end: 0px; |
| 51 | + `, |
| 52 | + h5: css` |
| 53 | + display: block; |
| 54 | + font-weight: 700; |
| 55 | + font-size: 1em; |
| 56 | + letter-spacing: 0.02ch; |
| 57 | + margin-block-start: 1em; |
| 58 | + margin-block-end: 1em; |
| 59 | + margin-inline-start: 0px; |
| 60 | + margin-inline-end: 0px; |
| 61 | + `, |
| 62 | + h6: css` |
| 63 | + display: block; |
| 64 | + font-weight: 600; |
| 65 | + font-size: 1em; |
| 66 | + letter-spacing: 0.02ch; |
| 67 | + margin-block-start: 1em; |
| 68 | + margin-block-end: 1em; |
| 69 | + margin-inline-start: 0px; |
| 70 | + margin-inline-end: 0px; |
| 71 | + `, |
| 72 | + small: css` |
| 73 | + font-size: small; |
| 74 | + `, |
| 75 | + smaller: css` |
| 76 | + font-size: smaller; |
| 77 | + `, |
| 78 | + tabular: css` |
| 79 | + font-feature-settings: 'tnum'; |
| 80 | + `, |
| 81 | + readable: css` |
| 82 | + font-feature-settings: 'ss06', 'zero'; |
| 83 | + `, |
| 84 | + 'no-ligatures': css` |
| 85 | + font-variant-ligatures: none; |
| 86 | + `, |
| 87 | +} as const |
| 88 | + |
| 89 | +export type TypoVariant = keyof typeof variants |
| 90 | + |
| 91 | +const asMap = { |
| 92 | + h1: 'h1', |
| 93 | + h2: 'h2', |
| 94 | + h3: 'h3', |
| 95 | + h4: 'h4', |
| 96 | + h5: 'h5', |
| 97 | + h6: 'h6', |
| 98 | + small: 'small', |
| 99 | + smaller: 'small', |
| 100 | +} as const |
| 101 | + |
| 102 | +interface TypoContainerProps { |
| 103 | + variant: TypoVariant | TypoVariant[] |
| 104 | +} |
| 105 | + |
| 106 | +const TypoContainer = styled.span<TypoContainerProps>` |
| 107 | + ${({ variant }) => |
| 108 | + typeof variant === 'string' |
| 109 | + ? variants[variant] |
| 110 | + : variant.map((v) => variants[v])} |
| 111 | +` |
| 112 | + |
| 113 | +export type TypoProps<T extends ElementType = 'span'> = { |
| 114 | + variant?: TypoVariant | TypoVariant[] |
| 115 | +} & PolymorphicProps<T> |
| 116 | + |
| 117 | +const firstVariant = ( |
| 118 | + variant?: TypoVariant | TypoVariant[] |
| 119 | +): TypoVariant | undefined => { |
| 120 | + if (typeof variant === 'string') return variant |
| 121 | + if (Array.isArray(variant) && variant.length > 0) return variant[0] |
| 122 | + return undefined |
| 123 | +} |
| 124 | + |
| 125 | +export const Typo = React.forwardRef( |
| 126 | + <T extends ElementType>( |
| 127 | + props: TypoProps<T>, |
| 128 | + ref?: PolymorphicRef<T> |
| 129 | + ): JSX.Element => { |
| 130 | + const { variant = [], as, ...rest } = props |
| 131 | + |
| 132 | + const calculatedAs = |
| 133 | + as || asMap[firstVariant(variant) ?? 'default'] || 'span' |
| 134 | + |
| 135 | + return ( |
| 136 | + <TypoContainer ref={ref} as={calculatedAs} variant={variant} {...rest} /> |
| 137 | + ) |
| 138 | + } |
| 139 | +) |
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