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Critical Vulnerability in NestJS Devtools: Localhost RCE via Sandbox Escape
A flawed sandbox in @nestjs/devtools-integration lets attackers run code on your machine via CSRF, leading to full Remote Code Execution (RCE).
styled-theme
Advanced tools
Theming system for styled-components 💅
$ npm install --save styled-theme
Play with it on WebpackBin
import styled from 'styled-components'
import { font, palette } from 'styled-theme'
const Text = styled.span`
font-family: ${font('primary')};
background-color: ${palette(1)};
color: ${palette('grayscale', 0, true)};
`
Text.defaultProps = {
palette: 'primary'
}
<Text>Hello</Text>
<Text reverse>Hello</Text>
<Text palette="secondary">Hello</Text>
import { ThemeProvider } from 'styled-components'
const xmasTheme = {
fonts: {
primary: 'Georgia, serif'
},
palette: {
// red gradient
primary: ['#D32F2F', '#F44336', '#F8877F', '#FFCDD2']
}
}
<ThemeProvider theme={xmasTheme}>
<Text>Hello</Text>
</ThemeProvider>
This is the content of src/theme.js
:
import coolorsToHex from 'coolors-to-hex'
import { reversePalette } from './composer'
const theme = {}
theme.palette = {
primary: coolorsToHex('https://coolors.co/1976d2-2196f3-71bcf7-97cef9-c2e2fb'),
secondary: coolorsToHex('https://coolors.co/c2185b-e91e63-f06292-f48caf-f8bbd0'),
danger: coolorsToHex('https://coolors.co/d32f2f-f44336-f8877f-f9a7a1-ffcdd2'),
alert: coolorsToHex('https://coolors.co/ffa000-ffc107-ffd761-ffecb3-fff2ce'),
success: coolorsToHex('https://coolors.co/388e3c-4caf50-7cc47f-9fd4a1-c8e6c9'),
grayscale: ['#212121', '#616161', '#9e9e9e', '#bdbdbd', '#e0e0e0', '#ffffff']
}
theme.reversePalette = reversePalette(theme.palette)
theme.fonts = {
primary: 'Helvetica Neue, Helvetica, Roboto, sans-serif',
pre: 'Consolas, Liberation Mono, Menlo, Courier, monospace',
quote: 'Georgia, serif'
}
theme.sizes = {
maxWidth: '1100px'
}
export default theme
reversePalette
is a helper method. Import it from styled-theme/composer
.
Revert the palette
Parameters
palette
PaletteExamples
reversePalette({ primary: ['red', 'yellow', 'green'] })
// { primary: ['green', 'yellow', 'red'] }
Returns Palette
Returns the value of props.theme[path]
or styledTheme[path]
Parameters
Examples
const Button = styled.button`
font-family: ${key('fonts.primary')};
color: ${key(['colors', 'primary', 0])};
`
Returns any
Shorthand to key(['fonts', path])
Parameters
path
stringdefaultValue
anyExamples
const Button = styled.button`
font-family: ${font('primary')};
`
Returns Font
Shorthand to key(['sizes', path])
Parameters
path
stringdefaultValue
anyExamples
const Button = styled.button`
padding: ${size('padding')};
`
Returns Size
Returns the value of props.theme[palette || reversePalette][path][index]
or
styledTheme[palette || reversePalette][path][index]
(default theme)
The arguments can be passed in any order, as long as types are kept.
Parameters
index
number The index of tone in theme palette tones arraypath
string? The key of the tones in theme palette object (optional, default props.palette
)exceptions
Object? An object with path as key and index as valuereverse
boolean? Flag to return tone from reversePalette
or palette
defaultValue
string? Default valueargs
...anyExamples
// index = 1
// exception = { grayscale: 0 }
// reverse = true
const Button = styled.button`
background-color: ${palette({ grayscale: 0 }, 1, true)};
`
// renders props.theme.reversePalette.grayscale[0]
<Button palette="grayscale" />
// renders props.theme.palette.danger[1] (nullify reverse)
<Button palette="danger" reverse />
Returns Tones
Type: string
Type: string
Type: string
Type: {}
Type: {}
Type: {}
Type: {palette: Palette?, reversePalette: Palette?, fonts: Fonts?, sizes: Sizes?}
MIT © Diego Haz
FAQs
Theming system for styled-components
We found that styled-theme demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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