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MIT License
Copyright (c) Emotion team and other contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# @emotion/babel-plugin
> Babel plugin for the minification and optimization of emotion styles.
`@emotion/babel-plugin` is highly recommended, but not required in version 8 and
above of Emotion.
## Features
<table>
<thead>
<tr>
<th>Feature/Syntax</th>
<th>Native</th>
<th>Babel Plugin Required</th>
<th>Notes</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>css``</code></td>
<td align="center">✅</td>
<td align="center"></td>
<td></td>
</tr>
<tr>
<td><code>css(...)</code></td>
<td align="center">✅</td>
<td align="center"></td>
<td>Generally used for object styles.</td>
</tr>
<tr>
<td>components as selectors</td>
<td align="center"></td>
<td align="center">✅</td>
<td>Allows an emotion component to be <a href="https://emotion.sh/docs/styled#targeting-another-emotion-component">used as a CSS selector</a>.</td>
</tr>
<tr>
<td>Minification</td>
<td align="center"></td>
<td align="center">✅</td>
<td>Any leading/trailing space between properties in your <code>css</code> and <code>styled</code> blocks is removed. This can reduce the size of your final bundle.</td>
</tr>
<tr>
<td>Dead Code Elimination</td>
<td align="center"></td>
<td align="center">✅</td>
<td>Uglifyjs will use the injected <code>/*#__PURE__*/</code> flag comments to mark your <code>css</code> and <code>styled</code> blocks as candidates for dead code elimination.</td>
</tr>
<tr>
<td>Source Maps</td>
<td align="center"></td>
<td align="center">✅</td>
<td>When enabled, navigate directly to the style declaration in your javascript file.</td>
</tr>
<tr>
<td>Contextual Class Names</td>
<td align="center"></td>
<td align="center">✅</td>
<td>Generated class names include the name of the variable or component they were defined in.</td>
</tr>
</tbody>
</table>
## Example
**In**
```javascript
const myStyles = css`
font-size: 20px;
@media (min-width: 420px) {
color: blue;
${css`
width: 96px;
height: 96px;
`};
line-height: 26px;
}
background: green;
${{ backgroundColor: 'hotpink' }};
`
```
**Out**
```javascript
const myStyles = /* #__PURE__ */ css(
'font-size:20px;@media(min-width:420px){color:blue;',
/* #__PURE__ */ css('width:96px;height:96px;'),
';line-height:26px;}background:green;',
{ backgroundColor: 'hotpink' },
';'
)
```
## Installation
```bash
yarn add --dev @emotion/babel-plugin
```
or if you prefer npm
```bash
npm install --save-dev @emotion/babel-plugin
```
## Usage
### Via `.babelrc` (Recommended)
**.babelrc**
Without options:
```json
{
"plugins": ["@emotion"]
}
```
With options:
_Defaults Shown_
```js
{
"plugins": [
[
"@emotion",
{
// sourceMap is on by default but source maps are dead code eliminated in production
"sourceMap": true,
"autoLabel": "dev-only",
"labelFormat": "[local]",
"cssPropOptimization": true
}
]
]
}
```
Recommended Setup
**.babelrc**
```json
{
"plugins": ["@emotion"]
}
```
### Via CLI
```bash
babel --plugins @emotion/babel-plugin script.js
```
### Via Node API
```javascript
require('@babel/core').transform('code', {
plugins: ['@emotion/babel-plugin']
})
```
## Options
### `sourceMap`
`boolean`, defaults to `true`.
This option enables the following:
- Injected source maps for use in browser dev tools
[**Documentation**](https://emotion.sh/docs/source-maps)
> Note:
>
> Source maps are on by default in @emotion/babel-plugin but they will be removed in production builds
### `autoLabel`
`'dev-only' | 'always' | 'never'`, defaults to `dev-only`.
This option enables the following:
- Automatically adds the `label` property to styles so that class names
generated by `css` or `styled` include the name of the variable the result is
assigned to.
- Please note that non word characters in the variable will be removed
(Eg. `iconStyles$1` will become `iconStyles1`) because `$` is not valid
[CSS ClassName Selector](https://stackoverflow.com/questions/448981/which-characters-are-valid-in-css-class-names-selectors#449000)
Each possible value for this option produces different output code:
- with `dev-only` we optimize the production code, so there are no labels added there, but at the same time we keep labels for development environments,
- with `always` we always add labels when possible,
- with `never` we disable this entirely and no labels are added.
#### css
**In**
```javascript
const brownStyles = css({ color: 'brown' })
```
**Out**
```javascript
const brownStyles = /*#__PURE__*/ css({ color: 'brown' }, 'label:brownStyles;')
```
`brownStyles`'s value would be `css-1q8eu9e-brownStyles`
### `labelFormat`
`string`, defaults to `"[local]"`.
This option only works when `autoLabel` is set to `'dev-only'` or `'always'`. It allows you to
define the format of the resulting `label`. The format is defined via string where
variable parts are enclosed in square brackets `[]`.
For example `labelFormat: "my-classname--[local]"`, where `[local]` will be replaced
with the name of the variable the result is assigned to.
Allowed values:
- `[local]` - the name of the variable the result of the `css` or `styled` expression is assigned to.
- `[filename]` - name of the file (without extension) where `css` or `styled` expression is located.
- `[dirname]` - name of the directory containing the file where `css` or `styled` expression is located.
This format only affects the label property of the expression, meaning that the `css` prefix and hash will
be prepended automatically.
#### css
**In**
```javascript
// BrownView.js
// autoLabel: 'dev-only'
// labelFormat: '[filename]--[local]'
const brownStyles = css({ color: 'brown' })
```
**Out**
```javascript
const brownStyles = /*#__PURE__*/ css(
{ color: 'brown' },
'label:BrownView--brownStyles;'
)
```
`BrownView--brownStyles`'s value would be `css-hash-BrownView--brownStyles`
#### styled
**In**
```javascript
const H1 = styled.h1({
borderRadius: '50%',
transition: 'transform 400ms ease-in-out',
boxSizing: 'border-box',
display: 'flex',
':hover': {
transform: 'scale(1.2)'
}
})
```
**Out**
```javascript
const H1 = /*#__PURE__*/ styled('h1', {
label: 'H1'
})({
borderRadius: '50%',
transition: 'transform 400ms ease-in-out',
boxSizing: 'border-box',
display: 'flex',
':hover': {
transform: 'scale(1.2)'
}
})
```
`H1`'s class name attribute would be `css-hash-H1`
### `cssPropOptimization`
`boolean`, defaults to `true`.
This option assumes that you are using something to make `@emotion/react`'s `jsx` function work for all jsx. If you are not doing so and you do not want such optimizations to occur, disable this option.
### `importMap`
This option allows you to tell @emotion/babel-plugin what imports it should look at to determine what it should transform so if you re-export Emotion's exports, you can still use the Babel transforms
An example file:
```js
import { anotherExport } from 'my-package'
import { someExport, thisIsTheJsxExport } from 'some-package'
```
An example config:
```json
{
"my-package": {
"anotherExport": {
"canonicalImport": ["@emotion/styled", "default"],
"styledBaseImport": ["my-package/base", "anotherExport"]
}
},
"some-package": {
"someExport": {
"canonicalImport": ["@emotion/react", "css"]
},
"thisIsTheJsxExport": {
"canonicalImport": ["@emotion/react", "jsx"]
}
}
}
```
## Babel Macros
Instead of using `@emotion/babel-plugin`, you can use emotion with [`babel-plugin-macros`](https://github.com/kentcdodds/babel-plugin-macros). Add `babel-plugin-macros` to your babel config (which is included in Create React App 2.0) and use the imports/packages shown below.
```jsx
import {
css,
keyframes,
injectGlobal,
flush,
hydrate
} from '@emotion/css/macro'
import { jsx, css, Global, keyframes } from '@emotion/react/macro'
import styled from '@emotion/styled/macro'
```

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exports._default = require("./emotion-babel-plugin.cjs.js").default;

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export {
macros
} from "./emotion-babel-plugin.cjs.js";
export { _default as default } from "./emotion-babel-plugin.cjs.default.js";

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MIT License
Copyright (c) 2016-present Sultan Tarimo
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# STYLIS
[![stylis](https://stylis.js.org/assets/logo.svg)](https://github.com/thysultan/stylis.js)
A Light–weight CSS Preprocessor.
[![Coverage](https://coveralls.io/repos/github/thysultan/stylis.js/badge.svg?branch=master)](https://coveralls.io/github/thysultan/stylis.js)
[![Size](https://badgen.net/bundlephobia/minzip/stylis)](https://bundlephobia.com/result?p=stylis)
[![Licence](https://badgen.net/badge/license/MIT/blue)](https://github.com/thysultan/stylis.js/blob/master/LICENSE)
[![NPM](https://badgen.net/npm/v/dyo)](https://www.npmjs.com/package/stylis)
## Installation
* Use a Direct Download: `<script src=stylis.js></script>`
* Use a CDN: `<script src=unpkg.com/stylis></script>`
* Use NPM: `npm install stylis --save`
## Features
- nesting `a { &:hover {} }`
- selector namespacing
- vendor prefixing (flex-box, etc...)
- minification
- esm module compatible
- tree-shaking-able
## Abstract Syntax Structure
```js
const declaration = {
value: 'color:red;',
type: 'decl',
props: 'color',
children: 'red',
line: 1, column: 1
}
const comment = {
value: '/*@noflip*/',
type: 'comm',
props: '/',
children: '@noflip',
line: 1, column: 1
}
const ruleset = {
value: 'h1,h2',
type: 'rule',
props: ['h1', 'h2'],
children: [/* ... */],
line: 1, column: 1
}
const atruleset = {
value: '@media (max-width:100), (min-width:100)',
type: '@media',
props: ['(max-width:100)', '(min-width:100)'],
children: [/* ... */],
line: 1, column: 1
}
```
## Example:
```js
import {compile, serialize, stringify} from 'stylis'
serialize(compile(`h1{all:unset}`), stringify)
```
### Compile
```js
compile('h1{all:unset}') === [{value: 'h1', type: 'rule', props: ['h1'], children: [/* ... */]}]
compile('--foo:unset;') === [{value: '--foo:unset;', type: 'decl', props: '--foo', children: 'unset'}]
```
### Tokenize
```js
tokenize('h1 h2 h3 [h4 h5] fn(args) "a b c"') === ['h1', 'h2', 'h3', '[h4 h5]', 'fn', '(args)', '"a b c"']
```
### Serialize
```js
serialize(compile('h1{all:unset}'), stringify)
```
### Vendor Prefixing
```js
import {compile, serialize, stringify, middleware, prefixer } from 'stylis';
serialize(compile('div{display:flex;}'), middleware([prefixer, stringify]))
```
## Middleware
The middleware helper is a convenient helper utility, that for all intents and purposes you can do without if you intend to implement your own traversal logic. The `stringify` middleware is one such middleware that can be used in conjunction with it.
Elements passed to middlewares have a `root` property that is the immediate root/parent of the current element **in the compiled output**, so it references the parent in the already expanded CSS-like structure. Elements have also `parent` property that is the immediate parent of the current element **from the input structure** (structure representing the input string).
### Traversal
```js
serialize(compile('h1{all:unset}'), middleware([(element, index, children) => {
assert(children === element.root.children && children[index] === element.children)
}, stringify])) === 'h1{all:unset;}'
```
The abstract syntax tree also includes an additional `return` property for more niche uses.
### Prefixing
```js
serialize(compile('h1{all:unset}'), middleware([(element, index, children, callback) => {
if (element.type === 'decl' && element.props === 'all' && element.children === 'unset')
element.return = 'color:red;' + element.value
}, stringify])) === 'h1{color:red;all:unset;}'
```
```js
serialize(compile('h1{all:unset}'), middleware([(element, index, children, callback) => {
if (element.type === 'rule' && element.props.indexOf('h1') > -1)
return serialize([{...element, props: ['h2', 'h3']}], callback)
}, stringify])) === 'h2,h3{all:unset;}h1{all:unset;}'
```
### Reading
```js
serialize(compile('h1{all:unset}'), middleware([stringify, (element, index, children) => {
assert(element.return === 'h1{all:unset;}')
}])) === 'h1{all:unset;color:red;}'
```
The middlewares in [src/Middleware.js](src/Middleware.js) dive into tangible examples of how you might implement a middleware, alternatively you could also create your own middleware system as `compile` returns all the nessessary structure to fork from.
## Variables
CSS variables are supported but a note should be made about the exotic use of css variables. The css spec mentions the following
>The allowed syntax for custom properties is extremely permissive. The <declaration-value> production matches any sequence of one or more tokens, so long as the sequence does not contain <bad-string-token>, <bad-url-token>, unmatched <)-token>, <]-token>, or <}-token>, or top-level <semicolon-token> tokens or <delim-token> tokens with a value of "!".
That is to say css variables according to the spec allows: `--foo: if(x > 5) this.width = 10;` and while this value is obviously useless as a variable, and would be invalid in any normal property, it still might be read and acted on by JavaScript and this is supported by Stylis, however things become slightly undefined when we start to include the `{` and `}` productions in our use of exotic css variables.
For example consider the following: `--foo: {};`
While this is valid CSS and supported. It is unclear what should happen when the rule collides with the implicit block termination rule that allows i.e `h1{color:red}`(notice the omitted semicolon) to also be a valid CSS production. This results in the following contradiction in: `h1{--example: {}` is it to be treated as `h1{--foo:{;}` or `h1{--foo:{}` the later of which is an unterminated block or in the following: `h1{--foo:{} h1{color:red;}` should it be `h1 {--foo:{}h1{color:red;};` where `{}h1{color:red;` is part of the css variable `--foo` and not a new rule or should it be something else?
Nevertheless Stylis still supports the exotic forms highlighted in the spec, however you should consider it as a general rule to delimit such exotic uses of variables in strings or parentheses i.e: `h1{--foo:'{'}` or `h1{--foo:({)}`.
## Benchmark
Stylis is at-least 2X faster than its predecesor.
### License
Stylis is [MIT licensed](./LICENSE).

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{ "type": "commonjs" }

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export * from './src/Enum.js'
export * from './src/Utility.js'
export * from './src/Parser.js'
export * from './src/Prefixer.js'
export * from './src/Tokenizer.js'
export * from './src/Serializer.js'
export * from './src/Middleware.js'

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{
"name": "stylis",
"version": "4.2.0",
"license": "MIT",
"description": "A Light–weight CSS Preprocessor",
"homepage": "https://github.com/thysultan/stylis.js",
"author": "Sultan Tarimo <sultantarimo@me.com>",
"repository": "https://github.com/thysultan/stylis.js",
"bugs": "https://github.com/thysultan/stylis.js/issues",
"sideEffects": false,
"type": "module",
"main": "dist/umd/stylis.js",
"module": "dist/stylis.mjs",
"react-native": "./index.js",
"exports": {
".": {
"import": "./index.js",
"require": "./dist/umd/stylis.js"
},
"./package.json": "./package.json"
},
"files": [
"index.js",
"dist/",
"src/"
],
"scripts": {
"lint": "eslint ./",
"pretest": "npm run lint && npm run build",
"test": "nyc npm run spec",
"spec": "mocha --harmony --require esm script/setup.js --recursive test",
"prebuild": "rimraf dist",
"build": "rollup --config script/build.js --configSrc ./",
"start": "npm run build -- --watch",
"prepare": "npm run build",
"postversion": "git push --follow-tags && npm publish",
"release-major": "npm version major -m '%s'",
"release-minor": "npm version minor -m '%s'",
"release-patch": "npm version patch -m '%s'"
},
"devDependencies": {
"chai": "4.3.4",
"eslint": "6.8.0",
"esm": "3.2.25",
"mocha": "9.1.1",
"nyc": "15.1.0",
"rimraf": "3.0.2",
"rollup": "1.28.0",
"rollup-plugin-size": "0.2.1",
"rollup-plugin-terser": "5.1.3",
"stylis": "./"
},
"nyc": {
"temp-dir": "./coverage/.nyc_output",
"exclude": [
"**/dist/",
"**/test/",
"**/script/"
],
"reporter": [
"lcov",
"text"
]
},
"esm": {
"cjs": true,
"cache": false
},
"eslintIgnore": [
"script/",
"test/",
"dist/",
"docs/"
],
"eslintConfig": {
"env": {
"commonjs": true,
"browser": true,
"node": true,
"es6": true
},
"extends": "eslint:recommended",
"parserOptions": {
"ecmaVersion": 7,
"sourceType": "module",
"ecmaFeatures": {
"impliedStrict": true
}
},
"rules": {
"indent": [
"error",
"tab",
{
"SwitchCase": 1
}
],
"linebreak-style": [
"error",
"unix"
],
"quotes": [
"error",
"single"
],
"semi": [
"error",
"never"
],
"no-cond-assign": [
"off"
],
"no-redeclare": [
"off"
],
"no-fallthrough": [
"off"
],
"no-console": [
"off"
],
"no-unsafe-finally": [
"off"
],
"no-shadow-restricted-names": [
"error"
],
"no-whitespace-before-property": [
"error"
],
"no-else-return": [
"error"
],
"eol-last": [
"error"
],
"func-call-spacing": [
"error",
"never"
],
"brace-style": [
"error",
"1tbs",
{
"allowSingleLine": true
}
],
"require-jsdoc": [
"error",
{
"require": {
"FunctionDeclaration": true
}
}
],
"no-trailing-spaces": [
"error",
{
"skipBlankLines": true
}
],
"no-constant-condition": [
"off"
]
}
}
}

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export var MS = '-ms-'
export var MOZ = '-moz-'
export var WEBKIT = '-webkit-'
export var COMMENT = 'comm'
export var RULESET = 'rule'
export var DECLARATION = 'decl'
export var PAGE = '@page'
export var MEDIA = '@media'
export var IMPORT = '@import'
export var CHARSET = '@charset'
export var VIEWPORT = '@viewport'
export var SUPPORTS = '@supports'
export var DOCUMENT = '@document'
export var NAMESPACE = '@namespace'
export var KEYFRAMES = '@keyframes'
export var FONT_FACE = '@font-face'
export var COUNTER_STYLE = '@counter-style'
export var FONT_FEATURE_VALUES = '@font-feature-values'
export var LAYER = '@layer'

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import {MS, MOZ, WEBKIT, RULESET, KEYFRAMES, DECLARATION} from './Enum.js'
import {match, charat, substr, strlen, sizeof, replace, combine} from './Utility.js'
import {copy, tokenize} from './Tokenizer.js'
import {serialize} from './Serializer.js'
import {prefix} from './Prefixer.js'
/**
* @param {function[]} collection
* @return {function}
*/
export function middleware (collection) {
var length = sizeof(collection)
return function (element, index, children, callback) {
var output = ''
for (var i = 0; i < length; i++)
output += collection[i](element, index, children, callback) || ''
return output
}
}
/**
* @param {function} callback
* @return {function}
*/
export function rulesheet (callback) {
return function (element) {
if (!element.root)
if (element = element.return)
callback(element)
}
}
/**
* @param {object} element
* @param {number} index
* @param {object[]} children
* @param {function} callback
*/
export function prefixer (element, index, children, callback) {
if (element.length > -1)
if (!element.return)
switch (element.type) {
case DECLARATION: element.return = prefix(element.value, element.length, children)
return
case KEYFRAMES:
return serialize([copy(element, {value: replace(element.value, '@', '@' + WEBKIT)})], callback)
case RULESET:
if (element.length)
return combine(element.props, function (value) {
switch (match(value, /(::plac\w+|:read-\w+)/)) {
// :read-(only|write)
case ':read-only': case ':read-write':
return serialize([copy(element, {props: [replace(value, /:(read-\w+)/, ':' + MOZ + '$1')]})], callback)
// :placeholder
case '::placeholder':
return serialize([
copy(element, {props: [replace(value, /:(plac\w+)/, ':' + WEBKIT + 'input-$1')]}),
copy(element, {props: [replace(value, /:(plac\w+)/, ':' + MOZ + '$1')]}),
copy(element, {props: [replace(value, /:(plac\w+)/, MS + 'input-$1')]})
], callback)
}
return ''
})
}
}
/**
* @param {object} element
* @param {number} index
* @param {object[]} children
*/
export function namespace (element) {
switch (element.type) {
case RULESET:
element.props = element.props.map(function (value) {
return combine(tokenize(value), function (value, index, children) {
switch (charat(value, 0)) {
// \f
case 12:
return substr(value, 1, strlen(value))
// \0 ( + > ~
case 0: case 40: case 43: case 62: case 126:
return value
// :
case 58:
if (children[++index] === 'global')
children[index] = '', children[++index] = '\f' + substr(children[index], index = 1, -1)
// \s
case 32:
return index === 1 ? '' : value
default:
switch (index) {
case 0: element = value
return sizeof(children) > 1 ? '' : value
case index = sizeof(children) - 1: case 2:
return index === 2 ? value + element + element : value + element
default:
return value
}
}
})
})
}
}

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node_modules/@emotion/babel-plugin/node_modules/stylis/src/Parser.js generated vendored Normal file
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import {COMMENT, RULESET, DECLARATION} from './Enum.js'
import {abs, charat, trim, from, sizeof, strlen, substr, append, replace, indexof} from './Utility.js'
import {node, char, prev, next, peek, caret, alloc, dealloc, delimit, whitespace, escaping, identifier, commenter} from './Tokenizer.js'
/**
* @param {string} value
* @return {object[]}
*/
export function compile (value) {
return dealloc(parse('', null, null, null, [''], value = alloc(value), 0, [0], value))
}
/**
* @param {string} value
* @param {object} root
* @param {object?} parent
* @param {string[]} rule
* @param {string[]} rules
* @param {string[]} rulesets
* @param {number[]} pseudo
* @param {number[]} points
* @param {string[]} declarations
* @return {object}
*/
export function parse (value, root, parent, rule, rules, rulesets, pseudo, points, declarations) {
var index = 0
var offset = 0
var length = pseudo
var atrule = 0
var property = 0
var previous = 0
var variable = 1
var scanning = 1
var ampersand = 1
var character = 0
var type = ''
var props = rules
var children = rulesets
var reference = rule
var characters = type
while (scanning)
switch (previous = character, character = next()) {
// (
case 40:
if (previous != 108 && charat(characters, length - 1) == 58) {
if (indexof(characters += replace(delimit(character), '&', '&\f'), '&\f') != -1)
ampersand = -1
break
}
// " ' [
case 34: case 39: case 91:
characters += delimit(character)
break
// \t \n \r \s
case 9: case 10: case 13: case 32:
characters += whitespace(previous)
break
// \
case 92:
characters += escaping(caret() - 1, 7)
continue
// /
case 47:
switch (peek()) {
case 42: case 47:
append(comment(commenter(next(), caret()), root, parent), declarations)
break
default:
characters += '/'
}
break
// {
case 123 * variable:
points[index++] = strlen(characters) * ampersand
// } ; \0
case 125 * variable: case 59: case 0:
switch (character) {
// \0 }
case 0: case 125: scanning = 0
// ;
case 59 + offset: if (ampersand == -1) characters = replace(characters, /\f/g, '')
if (property > 0 && (strlen(characters) - length))
append(property > 32 ? declaration(characters + ';', rule, parent, length - 1) : declaration(replace(characters, ' ', '') + ';', rule, parent, length - 2), declarations)
break
// @ ;
case 59: characters += ';'
// { rule/at-rule
default:
append(reference = ruleset(characters, root, parent, index, offset, rules, points, type, props = [], children = [], length), rulesets)
if (character === 123)
if (offset === 0)
parse(characters, root, reference, reference, props, rulesets, length, points, children)
else
switch (atrule === 99 && charat(characters, 3) === 110 ? 100 : atrule) {
// d l m s
case 100: case 108: case 109: case 115:
parse(value, reference, reference, rule && append(ruleset(value, reference, reference, 0, 0, rules, points, type, rules, props = [], length), children), rules, children, length, points, rule ? props : children)
break
default:
parse(characters, reference, reference, reference, [''], children, 0, points, children)
}
}
index = offset = property = 0, variable = ampersand = 1, type = characters = '', length = pseudo
break
// :
case 58:
length = 1 + strlen(characters), property = previous
default:
if (variable < 1)
if (character == 123)
--variable
else if (character == 125 && variable++ == 0 && prev() == 125)
continue
switch (characters += from(character), character * variable) {
// &
case 38:
ampersand = offset > 0 ? 1 : (characters += '\f', -1)
break
// ,
case 44:
points[index++] = (strlen(characters) - 1) * ampersand, ampersand = 1
break
// @
case 64:
// -
if (peek() === 45)
characters += delimit(next())
atrule = peek(), offset = length = strlen(type = characters += identifier(caret())), character++
break
// -
case 45:
if (previous === 45 && strlen(characters) == 2)
variable = 0
}
}
return rulesets
}
/**
* @param {string} value
* @param {object} root
* @param {object?} parent
* @param {number} index
* @param {number} offset
* @param {string[]} rules
* @param {number[]} points
* @param {string} type
* @param {string[]} props
* @param {string[]} children
* @param {number} length
* @return {object}
*/
export function ruleset (value, root, parent, index, offset, rules, points, type, props, children, length) {
var post = offset - 1
var rule = offset === 0 ? rules : ['']
var size = sizeof(rule)
for (var i = 0, j = 0, k = 0; i < index; ++i)
for (var x = 0, y = substr(value, post + 1, post = abs(j = points[i])), z = value; x < size; ++x)
if (z = trim(j > 0 ? rule[x] + ' ' + y : replace(y, /&\f/g, rule[x])))
props[k++] = z
return node(value, root, parent, offset === 0 ? RULESET : type, props, children, length)
}
/**
* @param {number} value
* @param {object} root
* @param {object?} parent
* @return {object}
*/
export function comment (value, root, parent) {
return node(value, root, parent, COMMENT, from(char()), substr(value, 2, -2), 0)
}
/**
* @param {string} value
* @param {object} root
* @param {object?} parent
* @param {number} length
* @return {object}
*/
export function declaration (value, root, parent, length) {
return node(value, root, parent, DECLARATION, substr(value, 0, length), substr(value, length + 1, -1), length)
}

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node_modules/@emotion/babel-plugin/node_modules/stylis/src/Prefixer.js generated vendored Normal file
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import {MS, MOZ, WEBKIT} from './Enum.js'
import {hash, charat, strlen, indexof, replace, substr, match} from './Utility.js'
/**
* @param {string} value
* @param {number} length
* @param {object[]} children
* @return {string}
*/
export function prefix (value, length, children) {
switch (hash(value, length)) {
// color-adjust
case 5103:
return WEBKIT + 'print-' + value + value
// animation, animation-(delay|direction|duration|fill-mode|iteration-count|name|play-state|timing-function)
case 5737: case 4201: case 3177: case 3433: case 1641: case 4457: case 2921:
// text-decoration, filter, clip-path, backface-visibility, column, box-decoration-break
case 5572: case 6356: case 5844: case 3191: case 6645: case 3005:
// mask, mask-image, mask-(mode|clip|size), mask-(repeat|origin), mask-position, mask-composite,
case 6391: case 5879: case 5623: case 6135: case 4599: case 4855:
// background-clip, columns, column-(count|fill|gap|rule|rule-color|rule-style|rule-width|span|width)
case 4215: case 6389: case 5109: case 5365: case 5621: case 3829:
return WEBKIT + value + value
// tab-size
case 4789:
return MOZ + value + value
// appearance, user-select, transform, hyphens, text-size-adjust
case 5349: case 4246: case 4810: case 6968: case 2756:
return WEBKIT + value + MOZ + value + MS + value + value
// writing-mode
case 5936:
switch (charat(value, length + 11)) {
// vertical-l(r)
case 114:
return WEBKIT + value + MS + replace(value, /[svh]\w+-[tblr]{2}/, 'tb') + value
// vertical-r(l)
case 108:
return WEBKIT + value + MS + replace(value, /[svh]\w+-[tblr]{2}/, 'tb-rl') + value
// horizontal(-)tb
case 45:
return WEBKIT + value + MS + replace(value, /[svh]\w+-[tblr]{2}/, 'lr') + value
// default: fallthrough to below
}
// flex, flex-direction, scroll-snap-type, writing-mode
case 6828: case 4268: case 2903:
return WEBKIT + value + MS + value + value
// order
case 6165:
return WEBKIT + value + MS + 'flex-' + value + value
// align-items
case 5187:
return WEBKIT + value + replace(value, /(\w+).+(:[^]+)/, WEBKIT + 'box-$1$2' + MS + 'flex-$1$2') + value
// align-self
case 5443:
return WEBKIT + value + MS + 'flex-item-' + replace(value, /flex-|-self/g, '') + (!match(value, /flex-|baseline/) ? MS + 'grid-row-' + replace(value, /flex-|-self/g, '') : '') + value
// align-content
case 4675:
return WEBKIT + value + MS + 'flex-line-pack' + replace(value, /align-content|flex-|-self/g, '') + value
// flex-shrink
case 5548:
return WEBKIT + value + MS + replace(value, 'shrink', 'negative') + value
// flex-basis
case 5292:
return WEBKIT + value + MS + replace(value, 'basis', 'preferred-size') + value
// flex-grow
case 6060:
return WEBKIT + 'box-' + replace(value, '-grow', '') + WEBKIT + value + MS + replace(value, 'grow', 'positive') + value
// transition
case 4554:
return WEBKIT + replace(value, /([^-])(transform)/g, '$1' + WEBKIT + '$2') + value
// cursor
case 6187:
return replace(replace(replace(value, /(zoom-|grab)/, WEBKIT + '$1'), /(image-set)/, WEBKIT + '$1'), value, '') + value
// background, background-image
case 5495: case 3959:
return replace(value, /(image-set\([^]*)/, WEBKIT + '$1' + '$`$1')
// justify-content
case 4968:
return replace(replace(value, /(.+:)(flex-)?(.*)/, WEBKIT + 'box-pack:$3' + MS + 'flex-pack:$3'), /s.+-b[^;]+/, 'justify') + WEBKIT + value + value
// justify-self
case 4200:
if (!match(value, /flex-|baseline/)) return MS + 'grid-column-align' + substr(value, length) + value
break
// grid-template-(columns|rows)
case 2592: case 3360:
return MS + replace(value, 'template-', '') + value
// grid-(row|column)-start
case 4384: case 3616:
if (children && children.some(function (element, index) { return length = index, match(element.props, /grid-\w+-end/) })) {
return ~indexof(value + (children = children[length].value), 'span') ? value : (MS + replace(value, '-start', '') + value + MS + 'grid-row-span:' + (~indexof(children, 'span') ? match(children, /\d+/) : +match(children, /\d+/) - +match(value, /\d+/)) + ';')
}
return MS + replace(value, '-start', '') + value
// grid-(row|column)-end
case 4896: case 4128:
return (children && children.some(function (element) { return match(element.props, /grid-\w+-start/) })) ? value : MS + replace(replace(value, '-end', '-span'), 'span ', '') + value
// (margin|padding)-inline-(start|end)
case 4095: case 3583: case 4068: case 2532:
return replace(value, /(.+)-inline(.+)/, WEBKIT + '$1$2') + value
// (min|max)?(width|height|inline-size|block-size)
case 8116: case 7059: case 5753: case 5535:
case 5445: case 5701: case 4933: case 4677:
case 5533: case 5789: case 5021: case 4765:
// stretch, max-content, min-content, fill-available
if (strlen(value) - 1 - length > 6)
switch (charat(value, length + 1)) {
// (m)ax-content, (m)in-content
case 109:
// -
if (charat(value, length + 4) !== 45)
break
// (f)ill-available, (f)it-content
case 102:
return replace(value, /(.+:)(.+)-([^]+)/, '$1' + WEBKIT + '$2-$3' + '$1' + MOZ + (charat(value, length + 3) == 108 ? '$3' : '$2-$3')) + value
// (s)tretch
case 115:
return ~indexof(value, 'stretch') ? prefix(replace(value, 'stretch', 'fill-available'), length, children) + value : value
}
break
// grid-(column|row)
case 5152: case 5920:
return replace(value, /(.+?):(\d+)(\s*\/\s*(span)?\s*(\d+))?(.*)/, function (_, a, b, c, d, e, f) { return (MS + a + ':' + b + f) + (c ? (MS + a + '-span:' + (d ? e : +e - +b)) + f : '') + value })
// position: sticky
case 4949:
// stick(y)?
if (charat(value, length + 6) === 121)
return replace(value, ':', ':' + WEBKIT) + value
break
// display: (flex|inline-flex|grid|inline-grid)
case 6444:
switch (charat(value, charat(value, 14) === 45 ? 18 : 11)) {
// (inline-)?fle(x)
case 120:
return replace(value, /(.+:)([^;\s!]+)(;|(\s+)?!.+)?/, '$1' + WEBKIT + (charat(value, 14) === 45 ? 'inline-' : '') + 'box$3' + '$1' + WEBKIT + '$2$3' + '$1' + MS + '$2box$3') + value
// (inline-)?gri(d)
case 100:
return replace(value, ':', ':' + MS) + value
}
break
// scroll-margin, scroll-margin-(top|right|bottom|left)
case 5719: case 2647: case 2135: case 3927: case 2391:
return replace(value, 'scroll-', 'scroll-snap-') + value
}
return value
}

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node_modules/@emotion/babel-plugin/node_modules/stylis/src/Serializer.js generated vendored Normal file
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import {IMPORT, LAYER, COMMENT, RULESET, DECLARATION, KEYFRAMES} from './Enum.js'
import {strlen, sizeof} from './Utility.js'
/**
* @param {object[]} children
* @param {function} callback
* @return {string}
*/
export function serialize (children, callback) {
var output = ''
var length = sizeof(children)
for (var i = 0; i < length; i++)
output += callback(children[i], i, children, callback) || ''
return output
}
/**
* @param {object} element
* @param {number} index
* @param {object[]} children
* @param {function} callback
* @return {string}
*/
export function stringify (element, index, children, callback) {
switch (element.type) {
case LAYER: if (element.children.length) break
case IMPORT: case DECLARATION: return element.return = element.return || element.value
case COMMENT: return ''
case KEYFRAMES: return element.return = element.value + '{' + serialize(element.children, callback) + '}'
case RULESET: element.value = element.props.join(',')
}
return strlen(children = serialize(element.children, callback)) ? element.return = element.value + '{' + children + '}' : ''
}

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node_modules/@emotion/babel-plugin/node_modules/stylis/src/Tokenizer.js generated vendored Normal file
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import {from, trim, charat, strlen, substr, append, assign} from './Utility.js'
export var line = 1
export var column = 1
export var length = 0
export var position = 0
export var character = 0
export var characters = ''
/**
* @param {string} value
* @param {object | null} root
* @param {object | null} parent
* @param {string} type
* @param {string[] | string} props
* @param {object[] | string} children
* @param {number} length
*/
export function node (value, root, parent, type, props, children, length) {
return {value: value, root: root, parent: parent, type: type, props: props, children: children, line: line, column: column, length: length, return: ''}
}
/**
* @param {object} root
* @param {object} props
* @return {object}
*/
export function copy (root, props) {
return assign(node('', null, null, '', null, null, 0), root, {length: -root.length}, props)
}
/**
* @return {number}
*/
export function char () {
return character
}
/**
* @return {number}
*/
export function prev () {
character = position > 0 ? charat(characters, --position) : 0
if (column--, character === 10)
column = 1, line--
return character
}
/**
* @return {number}
*/
export function next () {
character = position < length ? charat(characters, position++) : 0
if (column++, character === 10)
column = 1, line++
return character
}
/**
* @return {number}
*/
export function peek () {
return charat(characters, position)
}
/**
* @return {number}
*/
export function caret () {
return position
}
/**
* @param {number} begin
* @param {number} end
* @return {string}
*/
export function slice (begin, end) {
return substr(characters, begin, end)
}
/**
* @param {number} type
* @return {number}
*/
export function token (type) {
switch (type) {
// \0 \t \n \r \s whitespace token
case 0: case 9: case 10: case 13: case 32:
return 5
// ! + , / > @ ~ isolate token
case 33: case 43: case 44: case 47: case 62: case 64: case 126:
// ; { } breakpoint token
case 59: case 123: case 125:
return 4
// : accompanied token
case 58:
return 3
// " ' ( [ opening delimit token
case 34: case 39: case 40: case 91:
return 2
// ) ] closing delimit token
case 41: case 93:
return 1
}
return 0
}
/**
* @param {string} value
* @return {any[]}
*/
export function alloc (value) {
return line = column = 1, length = strlen(characters = value), position = 0, []
}
/**
* @param {any} value
* @return {any}
*/
export function dealloc (value) {
return characters = '', value
}
/**
* @param {number} type
* @return {string}
*/
export function delimit (type) {
return trim(slice(position - 1, delimiter(type === 91 ? type + 2 : type === 40 ? type + 1 : type)))
}
/**
* @param {string} value
* @return {string[]}
*/
export function tokenize (value) {
return dealloc(tokenizer(alloc(value)))
}
/**
* @param {number} type
* @return {string}
*/
export function whitespace (type) {
while (character = peek())
if (character < 33)
next()
else
break
return token(type) > 2 || token(character) > 3 ? '' : ' '
}
/**
* @param {string[]} children
* @return {string[]}
*/
export function tokenizer (children) {
while (next())
switch (token(character)) {
case 0: append(identifier(position - 1), children)
break
case 2: append(delimit(character), children)
break
default: append(from(character), children)
}
return children
}
/**
* @param {number} index
* @param {number} count
* @return {string}
*/
export function escaping (index, count) {
while (--count && next())
// not 0-9 A-F a-f
if (character < 48 || character > 102 || (character > 57 && character < 65) || (character > 70 && character < 97))
break
return slice(index, caret() + (count < 6 && peek() == 32 && next() == 32))
}
/**
* @param {number} type
* @return {number}
*/
export function delimiter (type) {
while (next())
switch (character) {
// ] ) " '
case type:
return position
// " '
case 34: case 39:
if (type !== 34 && type !== 39)
delimiter(character)
break
// (
case 40:
if (type === 41)
delimiter(type)
break
// \
case 92:
next()
break
}
return position
}
/**
* @param {number} type
* @param {number} index
* @return {number}
*/
export function commenter (type, index) {
while (next())
// //
if (type + character === 47 + 10)
break
// /*
else if (type + character === 42 + 42 && peek() === 47)
break
return '/*' + slice(index, position - 1) + '*' + from(type === 47 ? type : next())
}
/**
* @param {number} index
* @return {string}
*/
export function identifier (index) {
while (!token(peek()))
next()
return slice(index, position)
}

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node_modules/@emotion/babel-plugin/node_modules/stylis/src/Utility.js generated vendored Normal file
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/**
* @param {number}
* @return {number}
*/
export var abs = Math.abs
/**
* @param {number}
* @return {string}
*/
export var from = String.fromCharCode
/**
* @param {object}
* @return {object}
*/
export var assign = Object.assign
/**
* @param {string} value
* @param {number} length
* @return {number}
*/
export function hash (value, length) {
return charat(value, 0) ^ 45 ? (((((((length << 2) ^ charat(value, 0)) << 2) ^ charat(value, 1)) << 2) ^ charat(value, 2)) << 2) ^ charat(value, 3) : 0
}
/**
* @param {string} value
* @return {string}
*/
export function trim (value) {
return value.trim()
}
/**
* @param {string} value
* @param {RegExp} pattern
* @return {string?}
*/
export function match (value, pattern) {
return (value = pattern.exec(value)) ? value[0] : value
}
/**
* @param {string} value
* @param {(string|RegExp)} pattern
* @param {string} replacement
* @return {string}
*/
export function replace (value, pattern, replacement) {
return value.replace(pattern, replacement)
}
/**
* @param {string} value
* @param {string} search
* @return {number}
*/
export function indexof (value, search) {
return value.indexOf(search)
}
/**
* @param {string} value
* @param {number} index
* @return {number}
*/
export function charat (value, index) {
return value.charCodeAt(index) | 0
}
/**
* @param {string} value
* @param {number} begin
* @param {number} end
* @return {string}
*/
export function substr (value, begin, end) {
return value.slice(begin, end)
}
/**
* @param {string} value
* @return {number}
*/
export function strlen (value) {
return value.length
}
/**
* @param {any[]} value
* @return {number}
*/
export function sizeof (value) {
return value.length
}
/**
* @param {any} value
* @param {any[]} array
* @return {any}
*/
export function append (value, array) {
return array.push(value), value
}
/**
* @param {string[]} array
* @param {function} callback
* @return {string}
*/
export function combine (array, callback) {
return array.map(callback).join('')
}

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node_modules/@emotion/babel-plugin/package.json generated vendored Normal file
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{
"name": "@emotion/babel-plugin",
"version": "11.13.5",
"description": "A recommended babel preprocessing plugin for emotion, The Next Generation of CSS-in-JS.",
"main": "dist/emotion-babel-plugin.cjs.js",
"module": "dist/emotion-babel-plugin.esm.js",
"exports": {
".": {
"types": {
"import": "./dist/emotion-babel-plugin.cjs.mjs",
"default": "./dist/emotion-babel-plugin.cjs.js"
},
"module": "./dist/emotion-babel-plugin.esm.js",
"import": "./dist/emotion-babel-plugin.cjs.mjs",
"default": "./dist/emotion-babel-plugin.cjs.js"
},
"./package.json": "./package.json"
},
"files": [
"src",
"lib",
"dist"
],
"dependencies": {
"@babel/helper-module-imports": "^7.16.7",
"@babel/runtime": "^7.18.3",
"@emotion/hash": "^0.9.2",
"@emotion/memoize": "^0.9.0",
"@emotion/serialize": "^1.3.3",
"babel-plugin-macros": "^3.1.0",
"convert-source-map": "^1.5.0",
"escape-string-regexp": "^4.0.0",
"find-root": "^1.1.0",
"source-map": "^0.5.7",
"stylis": "4.2.0"
},
"devDependencies": {
"@babel/core": "^7.18.5",
"babel-check-duplicated-nodes": "^1.0.0"
},
"author": "Kye Hohenberger",
"homepage": "https://emotion.sh",
"license": "MIT",
"repository": "https://github.com/emotion-js/emotion/tree/main/packages/babel-plugin",
"keywords": [
"styles",
"emotion",
"react",
"css",
"css-in-js"
],
"bugs": {
"url": "https://github.com/emotion-js/emotion/issues"
}
}

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import {
transformExpressionWithStyles,
createTransformerMacro,
getSourceMap,
addImport
} from './utils'
export const transformCssCallExpression = (
{ state, babel, path, sourceMap, annotateAsPure = true } /*: {
state: *,
babel: *,
path: *,
sourceMap?: string,
annotateAsPure?: boolean
} */
) => {
let node = transformExpressionWithStyles({
babel,
state,
path,
shouldLabel: true,
sourceMap
})
if (node) {
path.replaceWith(node)
path.hoist()
} else if (annotateAsPure && path.isCallExpression()) {
path.addComment('leading', '#__PURE__')
}
}
export const transformCsslessArrayExpression = (
{ state, babel, path } /*: {
babel: *,
state: *,
path: *
} */
) => {
let t = babel.types
let expressionPath = path.get('value.expression')
let sourceMap =
state.emotionSourceMap && path.node.loc !== undefined
? getSourceMap(path.node.loc.start, state)
: ''
expressionPath.replaceWith(
t.callExpression(
// the name of this identifier doesn't really matter at all
// it'll never appear in generated code
t.identifier('___shouldNeverAppearCSS'),
path.node.value.expression.elements
)
)
transformCssCallExpression({
babel,
state,
path: expressionPath,
sourceMap,
annotateAsPure: false
})
if (t.isCallExpression(expressionPath)) {
expressionPath.replaceWith(t.arrayExpression(expressionPath.node.arguments))
}
}
export const transformCsslessObjectExpression = (
{ state, babel, path, cssImport } /*: {
babel: *,
state: *,
path: *,
cssImport: { importSource: string, cssExport: string }
} */
) => {
let t = babel.types
let expressionPath = path.get('value.expression')
let sourceMap =
state.emotionSourceMap && path.node.loc !== undefined
? getSourceMap(path.node.loc.start, state)
: ''
expressionPath.replaceWith(
t.callExpression(
// the name of this identifier doesn't really matter at all
// it'll never appear in generated code
t.identifier('___shouldNeverAppearCSS'),
[path.node.value.expression]
)
)
transformCssCallExpression({
babel,
state,
path: expressionPath,
sourceMap
})
if (t.isCallExpression(expressionPath)) {
expressionPath
.get('callee')
.replaceWith(
addImport(state, cssImport.importSource, cssImport.cssExport, 'css')
)
}
}
let cssTransformer = (
{ state, babel, reference } /*: {
state: any,
babel: any,
reference: any
} */
) => {
transformCssCallExpression({ babel, state, path: reference.parentPath })
}
let globalTransformer = (
{ state, babel, reference, importSource, options } /*: {
state: any,
babel: any,
reference: any,
importSource: string,
options: { cssExport?: string }
} */
) => {
const t = babel.types
if (
!t.isJSXIdentifier(reference.node) ||
!t.isJSXOpeningElement(reference.parentPath.node)
) {
return
}
const stylesPropPath = reference.parentPath
.get('attributes')
.find(p => t.isJSXAttribute(p.node) && p.node.name.name === 'styles')
if (!stylesPropPath) {
return
}
if (t.isJSXExpressionContainer(stylesPropPath.node.value)) {
if (t.isArrayExpression(stylesPropPath.node.value.expression)) {
transformCsslessArrayExpression({
state,
babel,
path: stylesPropPath
})
} else if (t.isObjectExpression(stylesPropPath.node.value.expression)) {
transformCsslessObjectExpression({
state,
babel,
path: stylesPropPath,
cssImport:
options.cssExport !== undefined
? {
importSource,
cssExport: options.cssExport
}
: {
importSource: '@emotion/react',
cssExport: 'css'
}
})
}
}
}
export const transformers = {
// this is an empty function because this transformer is never called
// we don't run any transforms on `jsx` directly
// instead we use it as a hint to enable css prop optimization
jsx: () => {},
css: cssTransformer,
Global: globalTransformer
}
export default createTransformerMacro(transformers, {
importSource: '@emotion/react'
})

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import { transformExpressionWithStyles, createTransformerMacro } from './utils'
const isAlreadyTranspiled = path => {
if (!path.isCallExpression()) {
return false
}
const firstArgPath = path.get('arguments.0')
if (!firstArgPath) {
return false
}
if (!firstArgPath.isConditionalExpression()) {
return false
}
const alternatePath = firstArgPath.get('alternate')
if (!alternatePath.isObjectExpression()) {
return false
}
const properties = new Set(
alternatePath.get('properties').map(p => p.node.key.name)
)
return ['name', 'styles'].every(p => properties.has(p))
}
let createEmotionTransformer =
(isPure /*: boolean */) =>
(
{ state, babel, importSource, reference, importSpecifierName } /*: Object */
) => {
const path = reference.parentPath
if (isAlreadyTranspiled(path)) {
return
}
if (isPure) {
path.addComment('leading', '#__PURE__')
}
let node = transformExpressionWithStyles({
babel,
state,
path,
shouldLabel: true
})
if (node) {
path.node.arguments[0] = node
}
}
export let transformers = {
css: createEmotionTransformer(true),
injectGlobal: createEmotionTransformer(false),
keyframes: createEmotionTransformer(true)
}
export let createEmotionMacro = (importSource /*: string */) =>
createTransformerMacro(transformers, { importSource })

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import {
createEmotionMacro,
transformers as vanillaTransformers
} from './emotion-macro'
import { createStyledMacro, styledTransformer } from './styled-macro'
import coreMacro, {
transformers as coreTransformers,
transformCsslessArrayExpression,
transformCsslessObjectExpression
} from './core-macro'
import { getStyledOptions, createTransformerMacro } from './utils'
const getCssExport = (reexported, importSource, mapping) => {
const cssExport = Object.keys(mapping).find(localExportName => {
const [packageName, exportName] = mapping[localExportName].canonicalImport
return packageName === '@emotion/react' && exportName === 'css'
})
if (!cssExport) {
throw new Error(
`You have specified that '${importSource}' re-exports '${reexported}' from '@emotion/react' but it doesn't also re-export 'css' from '@emotion/react', 'css' is necessary for certain optimisations, please re-export it from '${importSource}'`
)
}
return cssExport
}
let webStyledMacro = createStyledMacro({
importSource: '@emotion/styled/base',
originalImportSource: '@emotion/styled',
isWeb: true
})
let nativeStyledMacro = createStyledMacro({
importSource: '@emotion/native',
originalImportSource: '@emotion/native',
isWeb: false
})
let primitivesStyledMacro = createStyledMacro({
importSource: '@emotion/primitives',
originalImportSource: '@emotion/primitives',
isWeb: false
})
let vanillaEmotionMacro = createEmotionMacro('@emotion/css')
let transformersSource = {
'@emotion/css': vanillaTransformers,
'@emotion/react': coreTransformers,
'@emotion/styled': {
default: [
styledTransformer,
{ styledBaseImport: ['@emotion/styled/base', 'default'], isWeb: true }
]
},
'@emotion/primitives': {
default: [styledTransformer, { isWeb: false }]
},
'@emotion/native': {
default: [styledTransformer, { isWeb: false }]
}
}
export const macros = {
core: coreMacro,
nativeStyled: nativeStyledMacro,
primitivesStyled: primitivesStyledMacro,
webStyled: webStyledMacro,
vanillaEmotion: vanillaEmotionMacro
}
/*
export type BabelPath = any
export type EmotionBabelPluginPass = any
*/
const AUTO_LABEL_VALUES = ['dev-only', 'never', 'always']
export default function (babel, options) {
if (
options.autoLabel !== undefined &&
!AUTO_LABEL_VALUES.includes(options.autoLabel)
) {
throw new Error(
`The 'autoLabel' option must be undefined, or one of the following: ${AUTO_LABEL_VALUES.map(
s => `"${s}"`
).join(', ')}`
)
}
let t = babel.types
return {
name: '@emotion',
// https://github.com/babel/babel/blob/0c97749e0fe8ad845b902e0b23a24b308b0bf05d/packages/babel-plugin-syntax-jsx/src/index.ts#L9-L18
manipulateOptions(opts, parserOpts) {
const { plugins } = parserOpts
if (
plugins.some(p => {
const plugin = Array.isArray(p) ? p[0] : p
return plugin === 'typescript' || plugin === 'jsx'
})
) {
return
}
plugins.push('jsx')
},
visitor: {
ImportDeclaration(path, state) {
const macro = state.pluginMacros[path.node.source.value]
// most of this is from https://github.com/kentcdodds/babel-plugin-macros/blob/main/src/index.js
if (macro === undefined) {
return
}
if (t.isImportNamespaceSpecifier(path.node.specifiers[0])) {
return
}
const imports = path.node.specifiers.map(s => ({
localName: s.local.name,
importedName:
s.type === 'ImportDefaultSpecifier' ? 'default' : s.imported.name
}))
let shouldExit = false
let hasReferences = false
const referencePathsByImportName = imports.reduce(
(byName, { importedName, localName }) => {
let binding = path.scope.getBinding(localName)
if (!binding) {
shouldExit = true
return byName
}
byName[importedName] = binding.referencePaths
hasReferences =
hasReferences || Boolean(byName[importedName].length)
return byName
},
{}
)
if (!hasReferences || shouldExit) {
return
}
/**
* Other plugins that run before babel-plugin-macros might use path.replace, where a path is
* put into its own replacement. Apparently babel does not update the scope after such
* an operation. As a remedy, the whole scope is traversed again with an empty "Identifier"
* visitor - this makes the problem go away.
*
* See: https://github.com/kentcdodds/import-all.macro/issues/7
*/
state.file.scope.path.traverse({
Identifier() {}
})
macro({
path,
references: referencePathsByImportName,
state,
babel,
isEmotionCall: true,
isBabelMacrosCall: true
})
},
Program(path, state) {
let macros = {}
let jsxReactImports /*: Array<{
importSource: string,
export: string,
cssExport: string
}> */ = [
{ importSource: '@emotion/react', export: 'jsx', cssExport: 'css' }
]
state.jsxReactImport = jsxReactImports[0]
Object.keys(state.opts.importMap || {}).forEach(importSource => {
let value = state.opts.importMap[importSource]
let transformers = {}
Object.keys(value).forEach(localExportName => {
let { canonicalImport, ...options } = value[localExportName]
let [packageName, exportName] = canonicalImport
if (packageName === '@emotion/react' && exportName === 'jsx') {
jsxReactImports.push({
importSource,
export: localExportName,
cssExport: getCssExport('jsx', importSource, value)
})
return
}
let packageTransformers = transformersSource[packageName]
if (packageTransformers === undefined) {
throw new Error(
`There is no transformer for the export '${exportName}' in '${packageName}'`
)
}
let extraOptions
if (packageName === '@emotion/react' && exportName === 'Global') {
// this option is not supposed to be set in importMap
extraOptions = {
cssExport: getCssExport('Global', importSource, value)
}
} else if (
packageName === '@emotion/styled' &&
exportName === 'default'
) {
// this is supposed to override defaultOptions value
// and let correct value to be set if coming in options
extraOptions = {
styledBaseImport: undefined
}
}
let [exportTransformer, defaultOptions] = Array.isArray(
packageTransformers[exportName]
)
? packageTransformers[exportName]
: [packageTransformers[exportName]]
transformers[localExportName] = [
exportTransformer,
{
...defaultOptions,
...extraOptions,
...options
}
]
})
macros[importSource] = createTransformerMacro(transformers, {
importSource
})
})
state.pluginMacros = {
'@emotion/styled': webStyledMacro,
'@emotion/react': coreMacro,
'@emotion/primitives': primitivesStyledMacro,
'@emotion/native': nativeStyledMacro,
'@emotion/css': vanillaEmotionMacro,
...macros
}
for (const node of path.node.body) {
if (t.isImportDeclaration(node)) {
let jsxReactImport = jsxReactImports.find(
thing =>
node.source.value === thing.importSource &&
node.specifiers.some(
x =>
t.isImportSpecifier(x) && x.imported.name === thing.export
)
)
if (jsxReactImport) {
state.jsxReactImport = jsxReactImport
break
}
}
}
if (state.opts.cssPropOptimization === false) {
state.transformCssProp = false
} else {
state.transformCssProp = true
}
if (state.opts.sourceMap === false) {
state.emotionSourceMap = false
} else {
state.emotionSourceMap = true
}
},
JSXAttribute(path, state) {
if (path.node.name.name !== 'css' || !state.transformCssProp) {
return
}
if (t.isJSXExpressionContainer(path.node.value)) {
if (t.isArrayExpression(path.node.value.expression)) {
transformCsslessArrayExpression({
state,
babel,
path
})
} else if (t.isObjectExpression(path.node.value.expression)) {
transformCsslessObjectExpression({
state,
babel,
path,
cssImport: state.jsxReactImport
})
}
}
},
CallExpression: {
exit(path /*: BabelPath */, state /*: EmotionBabelPluginPass */) {
try {
if (
path.node.callee &&
path.node.callee.property &&
path.node.callee.property.name === 'withComponent'
) {
switch (path.node.arguments.length) {
case 1:
case 2: {
path.node.arguments[1] = getStyledOptions(t, path, state)
}
}
}
} catch (e) {
throw path.buildCodeFrameError(e)
}
}
}
}
}
}

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import {
transformExpressionWithStyles,
getStyledOptions,
addImport,
createTransformerMacro
} from './utils'
const getReferencedSpecifier = (path, specifierName) => {
const specifiers = path.get('specifiers')
return specifierName === 'default'
? specifiers.find(p => p.isImportDefaultSpecifier())
: specifiers.find(p => p.node.local.name === specifierName)
}
export let styledTransformer = (
{
state,
babel,
path,
importSource,
reference,
importSpecifierName,
options: { styledBaseImport, isWeb }
} /*: {
state: Object,
babel: Object,
path: any,
importSource: string,
importSpecifierName: string,
reference: Object,
options: { styledBaseImport?: [string, string], isWeb: boolean }
} */
) => {
let t = babel.types
let getStyledIdentifier = () => {
if (
!styledBaseImport ||
(styledBaseImport[0] === importSource &&
styledBaseImport[1] === importSpecifierName)
) {
return t.cloneNode(reference.node)
}
if (path.node) {
const referencedSpecifier = getReferencedSpecifier(
path,
importSpecifierName
)
if (referencedSpecifier) {
referencedSpecifier.remove()
}
if (!path.get('specifiers').length) {
path.remove()
}
}
const [baseImportSource, baseSpecifierName] = styledBaseImport
return addImport(state, baseImportSource, baseSpecifierName, 'styled')
}
let createStyledComponentPath = null
if (
t.isMemberExpression(reference.parent) &&
reference.parent.computed === false
) {
if (
// checks if the first character is lowercase
// becasue we don't want to transform the member expression if
// it's in primitives/native
reference.parent.property.name.charCodeAt(0) > 96
) {
reference.parentPath.replaceWith(
t.callExpression(getStyledIdentifier(), [
t.stringLiteral(reference.parent.property.name)
])
)
} else {
reference.replaceWith(getStyledIdentifier())
}
createStyledComponentPath = reference.parentPath
} else if (
reference.parentPath &&
t.isCallExpression(reference.parentPath) &&
reference.parent.callee === reference.node
) {
reference.replaceWith(getStyledIdentifier())
createStyledComponentPath = reference.parentPath
}
if (!createStyledComponentPath) {
return
}
const styledCallLikeWithStylesPath = createStyledComponentPath.parentPath
let node = transformExpressionWithStyles({
path: styledCallLikeWithStylesPath,
state,
babel,
shouldLabel: false
})
if (node && isWeb) {
// we know the argument length will be 1 since that's the only time we will have a node since it will be static
styledCallLikeWithStylesPath.node.arguments[0] = node
}
styledCallLikeWithStylesPath.addComment('leading', '#__PURE__')
if (isWeb) {
createStyledComponentPath.node.arguments[1] = getStyledOptions(
t,
createStyledComponentPath,
state
)
}
}
export let createStyledMacro = (
{
importSource,
originalImportSource = importSource,
baseImportName = 'default',
isWeb
} /*: {
importSource: string,
originalImportSource?: string,
baseImportName?: string,
isWeb: boolean
} */
) =>
createTransformerMacro(
{
default: [
styledTransformer,
{ styledBaseImport: [importSource, baseImportName], isWeb }
]
},
{ importSource: originalImportSource }
)

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import { addDefault, addNamed } from '@babel/helper-module-imports'
export function addImport(
state,
importSource /*: string */,
importedSpecifier /*: string */,
nameHint /* ?: string */
) {
let cacheKey = ['import', importSource, importedSpecifier].join(':')
if (state[cacheKey] === undefined) {
let importIdentifier
if (importedSpecifier === 'default') {
importIdentifier = addDefault(state.file.path, importSource, { nameHint })
} else {
importIdentifier = addNamed(
state.file.path,
importedSpecifier,
importSource,
{
nameHint
}
)
}
state[cacheKey] = importIdentifier.name
}
return {
type: 'Identifier',
name: state[cacheKey]
}
}

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node_modules/@emotion/babel-plugin/src/utils/create-node-env-conditional.js generated vendored Normal file
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export default function createNodeEnvConditional(t, production, development) {
return t.conditionalExpression(
t.binaryExpression(
'===',
t.memberExpression(
t.memberExpression(t.identifier('process'), t.identifier('env')),
t.identifier('NODE_ENV')
),
t.stringLiteral('production')
),
production,
development
)
}

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import { getLabelFromPath } from './label'
import { getTargetClassName } from './get-target-class-name'
import createNodeEnvConditional from './create-node-env-conditional'
const getKnownProperties = (t, node) =>
new Set(
node.properties
.filter(n => t.isObjectProperty(n) && !n.computed)
.map(n => (t.isIdentifier(n.key) ? n.key.name : n.key.value))
)
const createObjectSpreadLike = (t, file, ...objs) =>
t.callExpression(file.addHelper('extends'), [t.objectExpression([]), ...objs])
export let getStyledOptions = (t, path, state) => {
const autoLabel = state.opts.autoLabel || 'dev-only'
let args = path.node.arguments
let optionsArgument = args.length >= 2 ? args[1] : null
let prodProperties = []
let devProperties = null
let knownProperties =
optionsArgument && t.isObjectExpression(optionsArgument)
? getKnownProperties(t, optionsArgument)
: new Set()
if (!knownProperties.has('target')) {
prodProperties.push(
t.objectProperty(
t.identifier('target'),
t.stringLiteral(getTargetClassName(state, t))
)
)
}
let label =
autoLabel !== 'never' && !knownProperties.has('label')
? getLabelFromPath(path, state, t)
: null
if (label) {
const labelNode = t.objectProperty(
t.identifier('label'),
t.stringLiteral(label)
)
switch (autoLabel) {
case 'always':
prodProperties.push(labelNode)
break
case 'dev-only':
devProperties = [labelNode]
break
}
}
if (optionsArgument) {
// for some reason `.withComponent` transformer gets requeued
// so check if this has been already transpiled to avoid double wrapping
if (
t.isConditionalExpression(optionsArgument) &&
t.isBinaryExpression(optionsArgument.test) &&
t.buildMatchMemberExpression('process.env.NODE_ENV')(
optionsArgument.test.left
)
) {
return optionsArgument
}
if (!t.isObjectExpression(optionsArgument)) {
const prodNode = createObjectSpreadLike(
t,
state.file,
t.objectExpression(prodProperties),
optionsArgument
)
return devProperties
? createNodeEnvConditional(
t,
prodNode,
t.cloneNode(
createObjectSpreadLike(
t,
state.file,
t.objectExpression(prodProperties.concat(devProperties)),
optionsArgument
)
)
)
: prodNode
}
prodProperties.unshift(...optionsArgument.properties)
}
return devProperties
? createNodeEnvConditional(
t,
t.objectExpression(prodProperties),
t.cloneNode(t.objectExpression(prodProperties.concat(devProperties)))
)
: t.objectExpression(prodProperties)
}

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node_modules/@emotion/babel-plugin/src/utils/get-target-class-name.js generated vendored Normal file
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import findRoot from 'find-root'
import memoize from '@emotion/memoize'
import nodePath from 'path'
import hashString from '@emotion/hash'
import escapeRegexp from 'escape-string-regexp'
let hashArray = (arr /*: Array<string> */) => hashString(arr.join(''))
const unsafeRequire = require
const getPackageRootPath = memoize(filename => findRoot(filename))
const separator = new RegExp(escapeRegexp(nodePath.sep), 'g')
const normalizePath = path => nodePath.normalize(path).replace(separator, '/')
export function getTargetClassName(state, t) {
if (state.emotionTargetClassNameCount === undefined) {
state.emotionTargetClassNameCount = 0
}
const hasFilepath =
state.file.opts.filename && state.file.opts.filename !== 'unknown'
const filename = hasFilepath ? state.file.opts.filename : ''
// normalize the file path to ignore folder structure
// outside the current node project and arch-specific delimiters
let moduleName = ''
let rootPath = filename
try {
rootPath = getPackageRootPath(filename)
moduleName = unsafeRequire(rootPath + '/package.json').name
} catch (err) {}
const finalPath =
filename === rootPath ? 'root' : filename.slice(rootPath.length)
const positionInFile = state.emotionTargetClassNameCount++
const stuffToHash = [moduleName]
if (finalPath) {
stuffToHash.push(normalizePath(finalPath))
} else {
stuffToHash.push(state.file.code)
}
const stableClassName = `e${hashArray(stuffToHash)}${positionInFile}`
return stableClassName
}

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node_modules/@emotion/babel-plugin/src/utils/index.js generated vendored Normal file
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export { getLabelFromPath } from './label'
export { getSourceMap } from './source-maps'
export { getTargetClassName } from './get-target-class-name'
export { simplifyObject } from './object-to-string'
export { transformExpressionWithStyles } from './transform-expression-with-styles'
export { getStyledOptions } from './get-styled-options'
export {
appendStringReturningExpressionToArguments,
joinStringLiterals
} from './strings'
export { addImport } from './add-import'
export { createTransformerMacro } from './transformer-macro'

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import nodePath from 'path'
/*
type LabelFormatOptions = {
name: string,
path: string
}
*/
const invalidClassNameCharacters = /[!"#$%&'()*+,./:;<=>?@[\]^`|}~{]/g
const sanitizeLabelPart = (labelPart /*: string */) =>
labelPart.trim().replace(invalidClassNameCharacters, '-')
function getLabel(
identifierName /* ?: string */,
labelFormat /* ?: string | (LabelFormatOptions => string) */,
filename /*: string */
) {
if (!identifierName) return null
const sanitizedName = sanitizeLabelPart(identifierName)
if (!labelFormat) {
return sanitizedName
}
if (typeof labelFormat === 'function') {
return labelFormat({
name: sanitizedName,
path: filename
})
}
const parsedPath = nodePath.parse(filename)
let localDirname = nodePath.basename(parsedPath.dir)
let localFilename = parsedPath.name
if (localFilename === 'index') {
localFilename = localDirname
}
return labelFormat
.replace(/\[local\]/gi, sanitizedName)
.replace(/\[filename\]/gi, sanitizeLabelPart(localFilename))
.replace(/\[dirname\]/gi, sanitizeLabelPart(localDirname))
}
export function getLabelFromPath(path, state, t) {
return getLabel(
getIdentifierName(path, t),
state.opts.labelFormat,
state.file.opts.filename
)
}
const getObjPropertyLikeName = (path, t) => {
if (
(!t.isObjectProperty(path) && !t.isObjectMethod(path)) ||
path.node.computed
) {
return null
}
if (t.isIdentifier(path.node.key)) {
return path.node.key.name
}
if (t.isStringLiteral(path.node.key)) {
return path.node.key.value.replace(/\s+/g, '-')
}
return null
}
function getDeclaratorName(path, t) {
const parent = path.findParent(
p =>
p.isVariableDeclarator() ||
p.isAssignmentExpression() ||
p.isFunctionDeclaration() ||
p.isFunctionExpression() ||
p.isArrowFunctionExpression() ||
p.isObjectProperty() ||
p.isObjectMethod()
)
if (!parent) {
return ''
}
// we probably have a css call assigned to a variable
// so we'll just return the variable name
if (parent.isVariableDeclarator()) {
if (t.isIdentifier(parent.node.id)) {
return parent.node.id.name
}
return ''
}
if (parent.isAssignmentExpression()) {
let { left } = parent.node
if (t.isIdentifier(left)) {
return left.name
}
if (t.isMemberExpression(left)) {
let memberExpression = left
let name = ''
while (true) {
if (!t.isIdentifier(memberExpression.property)) {
return ''
}
name = `${memberExpression.property.name}${name ? `-${name}` : ''}`
if (t.isIdentifier(memberExpression.object)) {
return `${memberExpression.object.name}-${name}`
}
if (!t.isMemberExpression(memberExpression.object)) {
return ''
}
memberExpression = memberExpression.object
}
}
return ''
}
// we probably have an inline css prop usage
if (parent.isFunctionDeclaration()) {
return parent.node.id.name || ''
}
if (parent.isFunctionExpression()) {
if (parent.node.id) {
return parent.node.id.name || ''
}
return getDeclaratorName(parent, t)
}
if (parent.isArrowFunctionExpression()) {
return getDeclaratorName(parent, t)
}
// we could also have an object property
const objPropertyLikeName = getObjPropertyLikeName(parent, t)
if (objPropertyLikeName) {
return objPropertyLikeName
}
let variableDeclarator = parent.findParent(p => p.isVariableDeclarator())
if (!variableDeclarator || !variableDeclarator.get('id').isIdentifier()) {
return ''
}
return variableDeclarator.node.id.name
}
function getIdentifierName(path, t) {
let objPropertyLikeName = getObjPropertyLikeName(path.parentPath, t)
if (objPropertyLikeName) {
return objPropertyLikeName
}
let classOrClassPropertyParent = path.findParent(
p => t.isClassProperty(p) || t.isClass(p)
)
if (classOrClassPropertyParent) {
if (
t.isClassProperty(classOrClassPropertyParent) &&
classOrClassPropertyParent.node.computed === false &&
t.isIdentifier(classOrClassPropertyParent.node.key)
) {
return classOrClassPropertyParent.node.key.name
}
if (
t.isClass(classOrClassPropertyParent) &&
classOrClassPropertyParent.node.id
) {
return t.isIdentifier(classOrClassPropertyParent.node.id)
? classOrClassPropertyParent.node.id.name
: ''
}
}
let declaratorName = getDeclaratorName(path, t)
// if the name starts with _ it was probably generated by babel so we should ignore it
if (declaratorName.charAt(0) === '_') {
return ''
}
return declaratorName
}

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import { compile } from 'stylis'
const haveSameLocation = (element1, element2) => {
return element1.line === element2.line && element1.column === element2.column
}
const isAutoInsertedRule = element =>
element.type === 'rule' &&
element.parent &&
haveSameLocation(element, element.parent)
const toInputTree = (elements, tree) => {
for (let i = 0; i < elements.length; i++) {
const element = elements[i]
const { parent, children } = element
if (!parent) {
tree.push(element)
} else if (!isAutoInsertedRule(element)) {
parent.children.push(element)
}
if (Array.isArray(children)) {
element.children = []
toInputTree(children, tree)
}
}
return tree
}
var stringifyTree = elements => {
return elements
.map(element => {
switch (element.type) {
case 'import':
case 'decl':
return element.value
case 'comm':
// When we encounter a standard multi-line CSS comment and it contains a '@'
// character, we keep the comment. Some Stylis plugins, such as
// the stylis-rtl via the cssjanus plugin, use this special comment syntax
// to control behavior (such as: /* @noflip */). We can do this
// with standard CSS comments because they will work with compression,
// as opposed to non-standard single-line comments that will break compressed CSS.
return element.props === '/' && element.value.includes('@')
? element.value
: ''
case 'rule':
return `${element.value.replace(/&\f/g, '&')}{${stringifyTree(
element.children
)}}`
default: {
return `${element.value}{${stringifyTree(element.children)}}`
}
}
})
.join('')
}
const interleave = (strings /*: Array<*> */, interpolations /*: Array<*> */) =>
interpolations.reduce(
(array, interp, i) => array.concat([interp], strings[i + 1]),
[strings[0]]
)
function getDynamicMatches(str /*: string */) {
const re = /xxx(\d+):xxx/gm
let match
const matches = []
while ((match = re.exec(str)) !== null) {
if (match !== null) {
matches.push({
value: match[0],
p1: parseInt(match[1], 10),
index: match.index
})
}
}
return matches
}
function replacePlaceholdersWithExpressions(
str /*: string */,
expressions /*: Array<*> */,
t
) {
const matches = getDynamicMatches(str)
if (matches.length === 0) {
if (str === '') {
return []
}
return [t.stringLiteral(str)]
}
const strings = []
const finalExpressions = []
let cursor = 0
matches.forEach(({ value, p1, index }, i) => {
const preMatch = str.substring(cursor, index)
cursor = cursor + preMatch.length + value.length
if (!preMatch && i === 0) {
strings.push(t.stringLiteral(''))
} else {
strings.push(t.stringLiteral(preMatch))
}
finalExpressions.push(expressions[p1])
if (i === matches.length - 1) {
strings.push(t.stringLiteral(str.substring(index + value.length)))
}
})
return interleave(strings, finalExpressions).filter(
(node /*: { value: string } */) => {
return node.value !== ''
}
)
}
function createRawStringFromTemplateLiteral(
quasi /*: {
quasis: Array<{ value: { cooked: string } }>
} */
) {
let strs = quasi.quasis.map(x => x.value.cooked)
const src = strs
.reduce((arr, str, i) => {
arr.push(str)
if (i !== strs.length - 1) {
arr.push(`xxx${i}:xxx`)
}
return arr
}, [])
.join('')
.trim()
return src
}
export default function minify(path, t) {
const quasi = path.node.quasi
const raw = createRawStringFromTemplateLiteral(quasi)
const minified = stringifyTree(toInputTree(compile(raw), []))
const expressions = replacePlaceholdersWithExpressions(
minified,
quasi.expressions || [],
t
)
path.replaceWith(t.callExpression(path.node.tag, expressions))
}

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node_modules/@emotion/babel-plugin/src/utils/object-to-string.js generated vendored Normal file
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import { serializeStyles } from '@emotion/serialize'
// to anyone looking at this, this isn't intended to simplify every single case
// it's meant to simplify the most common cases so i don't want to make it especially complex
// also, this will be unnecessary when prepack is ready
export function simplifyObject(node, t /*: Object */) {
let finalString = ''
for (let i = 0; i < node.properties.length; i++) {
let property = node.properties[i]
if (
!t.isObjectProperty(property) ||
property.computed ||
(!t.isIdentifier(property.key) && !t.isStringLiteral(property.key)) ||
(!t.isStringLiteral(property.value) &&
!t.isNumericLiteral(property.value) &&
!t.isObjectExpression(property.value))
) {
return node
}
let key = property.key.name || property.key.value
if (key === 'styles') {
return node
}
if (t.isObjectExpression(property.value)) {
let simplifiedChild = simplifyObject(property.value, t)
if (!t.isStringLiteral(simplifiedChild)) {
return node
}
finalString += `${key}{${simplifiedChild.value}}`
continue
}
let value = property.value.value
finalString += serializeStyles([{ [key]: value }]).styles
}
return t.stringLiteral(finalString)
}

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node_modules/@emotion/babel-plugin/src/utils/source-maps.js generated vendored Normal file
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import { SourceMapGenerator } from 'source-map'
import convert from 'convert-source-map'
function getGeneratorOpts(file) {
return file.opts.generatorOpts ? file.opts.generatorOpts : file.opts
}
export function makeSourceMapGenerator(file) {
const generatorOpts = getGeneratorOpts(file)
const filename = generatorOpts.sourceFileName
const generator = new SourceMapGenerator({
file: filename,
sourceRoot: generatorOpts.sourceRoot
})
generator.setSourceContent(filename, file.code)
return generator
}
export function getSourceMap(
offset /*: {
line: number,
column: number
} */,
state
) /*: string */ {
const generator = makeSourceMapGenerator(state.file)
const generatorOpts = getGeneratorOpts(state.file)
if (
generatorOpts.sourceFileName &&
generatorOpts.sourceFileName !== 'unknown'
) {
generator.addMapping({
generated: {
line: 1,
column: 0
},
source: generatorOpts.sourceFileName,
original: offset
})
return convert.fromObject(generator).toComment({ multiline: true })
}
return ''
}

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node_modules/@emotion/babel-plugin/src/utils/strings.js generated vendored Normal file
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import {
getTypeScriptMakeTemplateObjectPath,
isTaggedTemplateTranspiledByBabel
} from './transpiled-output-utils'
export const appendStringReturningExpressionToArguments = (
t,
path,
expression
) => {
let lastIndex = path.node.arguments.length - 1
let last = path.node.arguments[lastIndex]
if (t.isStringLiteral(last)) {
if (typeof expression === 'string') {
path.node.arguments[lastIndex].value += expression
} else {
path.node.arguments[lastIndex] = t.binaryExpression('+', last, expression)
}
} else {
const makeTemplateObjectCallPath = getTypeScriptMakeTemplateObjectPath(path)
if (makeTemplateObjectCallPath) {
makeTemplateObjectCallPath.get('arguments').forEach(argPath => {
const elements = argPath.get('elements')
const lastElement = elements[elements.length - 1]
if (typeof expression === 'string') {
lastElement.replaceWith(
t.stringLiteral(lastElement.node.value + expression)
)
} else {
lastElement.replaceWith(
t.binaryExpression('+', lastElement.node, t.cloneNode(expression))
)
}
})
} else if (!isTaggedTemplateTranspiledByBabel(path)) {
if (typeof expression === 'string') {
path.node.arguments.push(t.stringLiteral(expression))
} else {
path.node.arguments.push(expression)
}
}
}
}
export const joinStringLiterals = (expressions /*: Array<*> */, t) => {
return expressions.reduce((finalExpressions, currentExpression, i) => {
if (!t.isStringLiteral(currentExpression)) {
finalExpressions.push(currentExpression)
} else if (
t.isStringLiteral(finalExpressions[finalExpressions.length - 1])
) {
finalExpressions[finalExpressions.length - 1].value +=
currentExpression.value
} else {
finalExpressions.push(currentExpression)
}
return finalExpressions
}, [])
}

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node_modules/@emotion/babel-plugin/src/utils/transform-expression-with-styles.js generated vendored Normal file
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import { serializeStyles } from '@emotion/serialize'
import minify from './minify'
import { getLabelFromPath } from './label'
import { getSourceMap } from './source-maps'
import { simplifyObject } from './object-to-string'
import {
appendStringReturningExpressionToArguments,
joinStringLiterals
} from './strings'
import createNodeEnvConditional from './create-node-env-conditional'
const CSS_OBJECT_STRINGIFIED_ERROR =
"You have tried to stringify object returned from `css` function. It isn't supposed to be used directly (e.g. as value of the `className` prop), but rather handed to emotion so it can handle it (e.g. as value of `css` prop)."
export let transformExpressionWithStyles = (
{ babel, state, path, shouldLabel, sourceMap = '' } /*: {
babel,
state,
path,
shouldLabel: boolean,
sourceMap?: string
} */
) => {
const autoLabel = state.opts.autoLabel || 'dev-only'
let t = babel.types
if (t.isTaggedTemplateExpression(path)) {
if (
!sourceMap &&
state.emotionSourceMap &&
path.node.quasi.loc !== undefined
) {
sourceMap = getSourceMap(path.node.quasi.loc.start, state)
}
minify(path, t)
}
if (t.isCallExpression(path)) {
const canAppendStrings = path.node.arguments.every(
arg => arg.type !== 'SpreadElement'
)
path.get('arguments').forEach(node => {
if (t.isObjectExpression(node)) {
node.replaceWith(simplifyObject(node.node, t))
}
})
path.node.arguments = joinStringLiterals(path.node.arguments, t)
if (
!sourceMap &&
canAppendStrings &&
state.emotionSourceMap &&
path.node.loc !== undefined
) {
sourceMap = getSourceMap(path.node.loc.start, state)
}
const label =
shouldLabel && autoLabel !== 'never'
? getLabelFromPath(path, state, t)
: null
if (
path.node.arguments.length === 1 &&
t.isStringLiteral(path.node.arguments[0])
) {
let cssString = path.node.arguments[0].value.replace(/;$/, '')
let res = serializeStyles([
`${cssString}${
label && autoLabel === 'always' ? `;label:${label};` : ''
}`
])
let prodNode = t.objectExpression([
t.objectProperty(t.identifier('name'), t.stringLiteral(res.name)),
t.objectProperty(t.identifier('styles'), t.stringLiteral(res.styles))
])
if (!state.emotionStringifiedCssId) {
const uid = state.file.scope.generateUidIdentifier(
'__EMOTION_STRINGIFIED_CSS_ERROR__'
)
state.emotionStringifiedCssId = uid
const cssObjectToString = t.functionDeclaration(
uid,
[],
t.blockStatement([
t.returnStatement(t.stringLiteral(CSS_OBJECT_STRINGIFIED_ERROR))
])
)
cssObjectToString._compact = true
state.file.path.unshiftContainer('body', [cssObjectToString])
}
if (label && autoLabel === 'dev-only') {
res = serializeStyles([`${cssString};label:${label};`])
}
let devNode = t.objectExpression(
[
t.objectProperty(t.identifier('name'), t.stringLiteral(res.name)),
t.objectProperty(
t.identifier('styles'),
t.stringLiteral(res.styles + sourceMap)
),
t.objectProperty(
t.identifier('toString'),
t.cloneNode(state.emotionStringifiedCssId)
)
].filter(Boolean)
)
return createNodeEnvConditional(t, prodNode, devNode)
}
if (canAppendStrings && label) {
const labelString = `;label:${label};`
switch (autoLabel) {
case 'dev-only': {
const labelConditional = createNodeEnvConditional(
t,
t.stringLiteral(''),
t.stringLiteral(labelString)
)
appendStringReturningExpressionToArguments(t, path, labelConditional)
break
}
case 'always':
appendStringReturningExpressionToArguments(t, path, labelString)
break
}
}
if (sourceMap) {
let sourceMapConditional = createNodeEnvConditional(
t,
t.stringLiteral(''),
t.stringLiteral(sourceMap)
)
appendStringReturningExpressionToArguments(t, path, sourceMapConditional)
}
}
}

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node_modules/@emotion/babel-plugin/src/utils/transformer-macro.js generated vendored Normal file
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import { createMacro } from 'babel-plugin-macros'
/*
type Transformer = Function
*/
export function createTransformerMacro(
transformers /*: { [key: string]: Transformer | [Transformer, Object] } */,
{ importSource } /*: { importSource: string } */
) {
let macro = createMacro(
({ path, source, references, state, babel, isEmotionCall }) => {
if (!path) {
path = state.file.scope.path
.get('body')
.find(p => p.isImportDeclaration() && p.node.source.value === source)
}
if (/\/macro$/.test(source)) {
path
.get('source')
.replaceWith(
babel.types.stringLiteral(source.replace(/\/macro$/, ''))
)
}
if (!isEmotionCall) {
state.emotionSourceMap = true
}
Object.keys(references).forEach(importSpecifierName => {
if (transformers[importSpecifierName]) {
references[importSpecifierName].reverse().forEach(reference => {
let options
let transformer
if (Array.isArray(transformers[importSpecifierName])) {
transformer = transformers[importSpecifierName][0]
options = transformers[importSpecifierName][1]
} else {
transformer = transformers[importSpecifierName]
options = {}
}
transformer({
state,
babel,
path,
importSource,
importSpecifierName,
options,
reference
})
})
}
})
return { keepImports: true }
}
)
macro.transformers = transformers
return macro
}

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node_modules/@emotion/babel-plugin/src/utils/transpiled-output-utils.js generated vendored Normal file
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// this only works correctly in modules, but we don't run on scripts anyway, so it's fine
// the difference is that in modules template objects are being cached per call site
export function getTypeScriptMakeTemplateObjectPath(path) {
if (path.node.arguments.length === 0) {
return null
}
const firstArgPath = path.get('arguments')[0]
if (
firstArgPath.isLogicalExpression() &&
firstArgPath.get('left').isIdentifier() &&
firstArgPath.get('right').isAssignmentExpression() &&
firstArgPath.get('right.right').isCallExpression() &&
firstArgPath.get('right.right.callee').isIdentifier() &&
firstArgPath.node.right.right.callee.name.includes('makeTemplateObject') &&
firstArgPath.node.right.right.arguments.length === 2
) {
return firstArgPath.get('right.right')
}
return null
}
// this is only used to prevent appending strings/expressions to arguments incorectly
// we could push them to found array expressions, as we do it for TS-transpile output ¯\_(ツ)_/¯
// it seems overly complicated though - mainly because we'd also have to check against existing stuff of a particular type (source maps & labels)
// considering Babel double-transpilation as a valid use case seems rather far-fetched
export function isTaggedTemplateTranspiledByBabel(path) {
if (path.node.arguments.length === 0) {
return false
}
const firstArgPath = path.get('arguments')[0]
if (
!firstArgPath.isCallExpression() ||
!firstArgPath.get('callee').isIdentifier()
) {
return false
}
const calleeName = firstArgPath.node.callee.name
if (!calleeName.includes('templateObject')) {
return false
}
const bindingPath = path.scope.getBinding(calleeName).path
if (!bindingPath.isFunction()) {
return false
}
const functionBody = bindingPath.get('body.body')
if (!functionBody[0].isVariableDeclaration()) {
return false
}
const declarationInit = functionBody[0].get('declarations')[0].get('init')
if (!declarationInit.isCallExpression()) {
return false
}
const declarationInitArguments = declarationInit.get('arguments')
if (
declarationInitArguments.length === 0 ||
declarationInitArguments.length > 2 ||
declarationInitArguments.some(argPath => !argPath.isArrayExpression())
) {
return false
}
return true
}