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478 lines (405 loc) · 9.41 KB
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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* @providesModule theme
* @flow
*/
/**
* Theme contains variables shared by styles of multiple components.
*/
import hex2rgba from 'hex2rgba';
const colors = {
lighter: '#373940', // light blue
dark: '#282c34', // dark blue
darker: '#20232a', // really dark blue
brand: '#61dafb', // electric blue
brandLight: '#bbeffd',
text: '#1a1a1a', // very dark grey / black substitute
subtle: '#6d6d6d', // light grey for text
subtleOnDark: '#999',
divider: '#ececec', // very light grey
note: '#ffe564', // yellow
error: '#ff6464', // yellow
white: '#ffffff',
black: '#000000',
};
const SIZES = {
xsmall: {min: 0, max: 599},
small: {min: 600, max: 779},
medium: {min: 780, max: 979},
large: {min: 980, max: 1279},
xlarge: {min: 1280, max: 1339},
xxlarge: {min: 1340, max: Infinity},
// Sidebar/nav related tweakpoints
largerSidebar: {min: 1100, max: 1339},
sidebarFixed: {min: 2000, max: Infinity},
// Topbar related tweakpoints
expandedSearch: {min: 1180, max: Infinity},
};
type Size = $Keys<typeof SIZES>;
const media = {
between(smallKey: Size, largeKey: Size, excludeLarge: boolean = false) {
if (excludeLarge) {
return `@media (min-width: ${
SIZES[smallKey].min
}px) and (max-width: ${SIZES[largeKey].min - 1}px)`;
} else {
if (SIZES[largeKey].max === Infinity) {
return `@media (min-width: ${SIZES[smallKey].min}px)`;
} else {
return `@media (min-width: ${SIZES[smallKey].min}px) and (max-width: ${SIZES[largeKey].max}px)`;
}
}
},
greaterThan(key: Size) {
return `@media (min-width: ${SIZES[key].min}px)`;
},
lessThan(key: Size) {
return `@media (max-width: ${SIZES[key].min - 1}px)`;
},
size(key: Size) {
const size = SIZES[key];
if (size.min == null) {
return media.lessThan(key);
} else if (size.max == null) {
return media.greaterThan(key);
} else {
return media.between(key, key);
}
},
};
const fonts = {
header: {
fontSize: 60,
lineHeight: '65px',
fontWeight: 700,
[media.lessThan('small')]: {
overflowWrap: 'break-word',
wordBreak: 'break-word',
},
[media.lessThan('medium')]: {
fontSize: 40,
lineHeight: '45px',
},
},
small: {
fontSize: 14,
},
};
// Shared styles are generally better as components,
// Except when they must be used within nested CSS selectors.
// This is the case for eg markdown content.
const linkStyle = {
backgroundColor: hex2rgba(colors.brandLight, 0.3),
borderBottom: `1px solid ${hex2rgba(colors.black, 0.2)}`,
color: colors.text,
':hover': {
backgroundColor: colors.brandLight,
borderBottomColor: colors.text,
},
};
const sharedStyles = {
link: linkStyle,
articleLayout: {
container: {
display: 'flex',
minHeight: 'calc(100vh - 60px)',
[media.greaterThan('sidebarFixed')]: {
maxWidth: 840,
marginLeft: 'auto',
marginRight: 'auto',
},
[media.lessThan('small')]: {
flexDirection: 'column',
},
},
content: {
marginTop: 40,
marginBottom: 120,
[media.greaterThan('medium')]: {
marginTop: 50,
},
},
sidebar: {
display: 'flex',
flexDirection: 'column',
[media.between('small', 'sidebarFixed')]: {
borderLeft: '1px solid #ececec',
marginLeft: 80,
},
[media.between('small', 'largerSidebar')]: {
flex: '0 0 200px',
marginLeft: 80,
},
[media.between('small', 'medium')]: {
marginLeft: 40,
},
[media.greaterThan('largerSidebar')]: {
flex: '0 0 300px',
},
[media.greaterThan('sidebarFixed')]: {
position: 'fixed',
right: 0,
width: 300,
zIndex: 2,
},
},
feedbackButton: {
border: 0,
background: 'none',
cursor: 'pointer',
':focus': {
color: colors.text,
borderColor: colors.text,
'& svg': {
fill: colors.text,
},
},
':hover': {
color: colors.text,
borderColor: colors.text,
'& svg': {
fill: colors.text,
},
},
'& svg': {
height: '1.5em',
width: '1.5em',
fill: colors.subtle,
transition: 'fill 0.2s ease',
},
},
editLink: {
color: colors.lighter,
borderColor: colors.divider,
transition: 'color 0.2s ease, border-color 0.2s ease',
whiteSpace: 'nowrap',
borderBottomWidth: 1,
borderBottomStyle: 'solid',
':hover': {
color: colors.text,
borderColor: colors.text,
},
':focus': {
color: colors.text,
borderColor: colors.text,
},
},
},
markdown: {
lineHeight: '25px',
'& .gatsby-highlight': {
marginTop: 25,
marginLeft: -30,
marginRight: -30,
marginBottom: 25,
paddingLeft: 15,
paddingRight: 15,
[media.lessThan('small')]: {
marginLeft: -20,
marginRight: -20,
borderRadius: 0,
},
},
'& a:not(.anchor):not(.gatsby-resp-image-link)': linkStyle,
'& > p:first-child': {
fontSize: 18,
fontWeight: 300,
color: colors.subtle,
[media.greaterThan('xlarge')]: {
fontSize: 24,
},
'& a, & strong': {
fontWeight: 400,
},
},
'& p': {
marginTop: 30,
fontSize: 17,
lineHeight: 1.7,
maxWidth: '42em',
'&:first-of-type': {
marginTop: 15,
},
'&:first-child': {
marginTop: 0,
},
[media.lessThan('large')]: {
fontSize: 16,
marginTop: 25,
},
},
'& h3 + p, & h3 + p:first-of-type': {
marginTop: 20,
},
'& p > code, & li > code': {
background: hex2rgba(colors.note, 0.2),
color: colors.text,
},
'& p > code, & li > code, & p > a > code, & li > a > code': {
padding: '0 3px',
fontSize: '0.94em', // 16px on 17px text, smaller in smaller text
wordBreak: 'break-word',
},
'& hr': {
height: 1,
marginBottom: -1,
border: 'none',
borderBottom: `1px solid ${colors.divider}`,
marginTop: 40,
':first-child': {
marginTop: 0,
},
},
'& h1': {
lineHeight: 1.2,
[media.size('xsmall')]: {
fontSize: 30,
},
[media.between('small', 'large')]: {
fontSize: 45,
},
[media.greaterThan('xlarge')]: {
fontSize: 60,
},
},
'& h2': {
'::before': {
content: ' ',
display: 'block',
borderBottom: `1px solid ${colors.divider}`,
paddingTop: 44,
marginBottom: 40,
},
lineHeight: 1.2,
':first-child': {
'::before': {
content: ' ',
display: 'block',
borderBottom: 0,
paddingTop: 40,
marginTop: -80,
},
},
[media.lessThan('large')]: {
fontSize: 20,
},
[media.greaterThan('xlarge')]: {
fontSize: 35,
},
},
'& hr + h2': {
borderTop: 0,
marginTop: 0,
},
'& h3': {
'::before': {
content: ' ',
display: 'block',
paddingTop: 90,
marginTop: -45,
},
[media.lessThan('small')]: {
overflowWrap: 'break-word',
wordBreak: 'break-word',
},
[media.greaterThan('xlarge')]: {
fontSize: 25,
lineHeight: 1.3,
},
},
'& h2 + h3, & h2 + h3:first-of-type': {
'::before': {
content: ' ',
display: 'block',
paddingTop: 60,
marginTop: -30,
},
},
'& h4': {
'::before': {
content: ' ',
display: 'block',
paddingTop: 100,
marginTop: -50,
},
fontSize: 20,
color: colors.subtle,
lineHeight: 1.3,
fontWeight: 400,
},
'& h4 + p': {
marginTop: 20,
},
'& ol, & ul': {
marginTop: 20,
fontSize: 16,
color: colors.text,
paddingLeft: 20,
'& p, & p:first-of-type': {
fontSize: 16,
marginTop: 0,
lineHeight: 1.2,
},
'& li': {
marginTop: 10,
},
'& li.button-newapp': {
marginTop: 0,
},
'& ol, & ul': {
marginLeft: 20,
marginTop: 10,
},
},
'& img': {
maxWidth: '100%',
},
'& ol': {
listStyle: 'decimal',
},
'& ul': {
listStyle: 'disc',
},
'& blockquote': {
backgroundColor: hex2rgba('#ffe564', 0.3),
borderLeftColor: colors.note,
borderLeftWidth: 9,
borderLeftStyle: 'solid',
padding: '20px 45px 20px 26px',
marginBottom: 30,
marginTop: 20,
marginLeft: -30,
marginRight: -30,
[media.lessThan('small')]: {
marginLeft: -20,
marginRight: -20,
},
'& p': {
marginTop: 15,
'&:first-of-type': {
fontWeight: 700,
marginTop: 0,
},
'&:nth-of-type(2)': {
marginTop: 0,
},
},
'& .gatsby-highlight': {
marginLeft: 0,
},
},
'& .gatsby-highlight + blockquote': {
marginTop: 40,
},
'& .gatsby-highlight + h4': {
'::before': {
content: ' ',
display: 'block',
paddingTop: 85,
marginTop: -60,
},
},
},
};
export {colors, fonts, media, sharedStyles};