benchmarks/src/app/theme.js
import { canUseDOM } from 'fbjs/lib/ExecutionEnvironment';
import { Dimensions, Platform } from 'react-native';
const baseFontSize = 14;
const baseUnit = 1.3125;
const createPlatformLength = multiplier =>
Platform.select({ web: `${multiplier}rem`, default: multiplier * baseFontSize });
/**
* Exported variables
*/
export const borderRadii = {
normal: Platform.select({ web: '0.35rem', default: 5 }),
infinite: '9999px'
};
export const breakpoints = {
small: 360,
medium: 600,
large: 800,
xLarge: 1100
};
/**
* Color palette
* DO NOT add new colors unless they are part of @design's color palette.
* DO NOT use colors that are not specified here.
* source: go/uicolors
*/
export const colors = {
// Primary
blue: '#1DA1F2',
purple: '#794BC4',
green: '#17BF63',
yellow: '#FFAD1F',
orange: '#F45D22',
red: '#E0245E',
// Text and interface grays
textBlack: '#14171A',
deepGray: '#657786',
mediumGray: '#AAB8C2',
lightGray: '#CCD6DD',
fadedGray: '#E6ECF0',
faintGray: '#F5F8FA',
white: '#FFF',
textBlue: '#1B95E0'
};
export const fontFamilies = {
normal: 'System',
japan: Platform.select({
web:
'Arial, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", Osaka, "メイリオ", Meiryo, "MS Pゴシック", "MS PGothic", sans-serif',
default: 'System'
}),
rtl: Platform.select({ web: 'Tahoma, Arial, sans-serif', default: 'System' })
};
export const fontSizes = {
// font scale
small: createPlatformLength(0.85),
normal: createPlatformLength(1),
large: createPlatformLength(1.25),
xLarge: createPlatformLength(1.5),
jumbo: createPlatformLength(2)
};
export const lineHeight = Platform.select({ web: `${baseUnit}` });
export const spaces = {
// This set of space variables should be used for margin, padding
micro: createPlatformLength(baseUnit * 0.125),
xxSmall: createPlatformLength(baseUnit * 0.25),
xSmall: createPlatformLength(baseUnit * 0.5),
small: createPlatformLength(baseUnit * 0.75),
medium: createPlatformLength(baseUnit),
large: createPlatformLength(baseUnit * 1.5),
xLarge: createPlatformLength(baseUnit * 2),
xxLarge: createPlatformLength(baseUnit * 2.5),
jumbo: createPlatformLength(baseUnit * 3)
};
// On web, change the root font-size at specific breakpoints to scale the UI
// for larger viewports.
if (Platform.OS === 'web' && canUseDOM) {
const { medium, large } = breakpoints;
const htmlElement = document.documentElement;
const setFontSize = width => {
const fontSize = width > medium ? (width > large ? '18px' : '17px') : '16px';
if (htmlElement) {
htmlElement.style.fontSize = fontSize;
}
};
setFontSize(Dimensions.get('window').width);
Dimensions.addEventListener('change', dimensions => {
setFontSize(dimensions.window.width);
});
}