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const importParser = require('./postcss-import-parser'); | ||
const parser = require('./postcss-parser'); | ||
const urlParser = require('./postcss-url-parser'); | ||
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module.exports = { | ||
importParser, | ||
parser, | ||
urlParser, | ||
}; |
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const postcss = require('postcss'); | ||
const loaderUtils = require('loader-utils'); | ||
const Tokenizer = require('css-selector-tokenizer'); | ||
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const pluginName = 'postcss-import-parser'; | ||
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module.exports = postcss.plugin( | ||
pluginName, | ||
(options) => | ||
function process(css, result) { | ||
const importItems = []; | ||
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css.walkAtRules(/^import$/i, (atrule) => { | ||
// Convert only top-level @import | ||
if (atrule.parent.type !== 'root') { | ||
return; | ||
} | ||
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if (atrule.nodes) { | ||
result.warn( | ||
"It looks like you didn't end your @import statement correctly. " + | ||
'Child nodes are attached to it.', | ||
{ node: atrule } | ||
); | ||
return; | ||
} | ||
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const values = Tokenizer.parseValues(atrule.params); | ||
let [url] = values.nodes[0].nodes; | ||
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if (url && url.type === 'url') { | ||
({ url } = url); | ||
} else if (url && url.type === 'string') { | ||
url = url.value; | ||
} else { | ||
result.warn(`Unable to find uri in '${atrule.toString()}'`, { | ||
node: atrule, | ||
}); | ||
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return; | ||
} | ||
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if (!url.replace(/\s/g, '').length) { | ||
result.warn(`Unable to find uri in '${atrule.toString()}'`, { | ||
node: atrule, | ||
}); | ||
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return; | ||
} | ||
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values.nodes[0].nodes.shift(); | ||
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const mediaQuery = Tokenizer.stringifyValues(values); | ||
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url = url.trim(); | ||
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if (loaderUtils.isUrlRequest(url)) { | ||
url = loaderUtils.urlToRequest(url); | ||
} | ||
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importItems.push({ | ||
url, | ||
mediaQuery, | ||
}); | ||
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atrule.remove(); | ||
}); | ||
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// eslint-disable-next-line no-param-reassign | ||
options.importItems = importItems; | ||
} | ||
); |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,103 @@ | ||
const postcss = require('postcss'); | ||
const valueParser = require('postcss-value-parser'); | ||
const icssUtils = require('icss-utils'); | ||
const Tokenizer = require('css-selector-tokenizer'); | ||
const loaderUtils = require('loader-utils'); | ||
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module.exports = postcss.plugin( | ||
'postcss-parser', | ||
(options) => | ||
function process(css) { | ||
const imports = {}; | ||
let exports = {}; | ||
const importItems = options.importItems || []; | ||
const urlItems = options.urlItems || []; | ||
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function replaceImportsInString(str) { | ||
if (options.import) { | ||
const tokens = valueParser(str); | ||
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tokens.walk((node) => { | ||
if (node.type !== 'word') { | ||
return; | ||
} | ||
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const token = node.value; | ||
const importIndex = imports[`$${token}`]; | ||
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if (typeof importIndex === 'number') { | ||
// eslint-disable-next-line no-param-reassign | ||
node.value = `___CSS_LOADER_IMPORT___${importIndex}___`; | ||
} | ||
}); | ||
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return tokens.toString(); | ||
} | ||
return str; | ||
} | ||
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const icss = icssUtils.extractICSS(css); | ||
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exports = icss.icssExports; | ||
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Object.keys(icss.icssImports).forEach((key) => { | ||
const url = loaderUtils.parseString(key); | ||
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Object.keys(icss.icssImports[key]).forEach((prop) => { | ||
imports[`$${prop}`] = importItems.length; | ||
importItems.push({ | ||
url, | ||
export: icss.icssImports[key][prop], | ||
}); | ||
}); | ||
}); | ||
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Object.keys(exports).forEach((exportName) => { | ||
exports[exportName] = replaceImportsInString(exports[exportName]); | ||
}); | ||
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function processNode(item) { | ||
switch (item.type) { | ||
case 'value': | ||
item.nodes.forEach(processNode); | ||
break; | ||
case 'nested-item': | ||
item.nodes.forEach(processNode); | ||
break; | ||
case 'item': { | ||
const importIndex = imports[`$${item.name}`]; | ||
if (typeof importIndex === 'number') { | ||
// eslint-disable-next-line no-param-reassign | ||
item.name = `___CSS_LOADER_IMPORT___${importIndex}___`; | ||
} | ||
break; | ||
} | ||
// no default | ||
} | ||
} | ||
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css.walkDecls((decl) => { | ||
const values = Tokenizer.parseValues(decl.value); | ||
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values.nodes.forEach((value) => { | ||
value.nodes.forEach(processNode); | ||
}); | ||
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// eslint-disable-next-line no-param-reassign | ||
decl.value = Tokenizer.stringifyValues(values); | ||
}); | ||
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css.walkAtRules((atrule) => { | ||
if (typeof atrule.params === 'string') { | ||
// eslint-disable-next-line no-param-reassign | ||
atrule.params = replaceImportsInString(atrule.params); | ||
} | ||
}); | ||
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/* eslint-disable no-param-reassign */ | ||
options.importItems = importItems; | ||
options.urlItems = urlItems; | ||
options.exports = exports; | ||
/* eslint-enable no-param-reassign */ | ||
} | ||
); |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,56 @@ | ||
const postcss = require('postcss'); | ||
const Tokenizer = require('css-selector-tokenizer'); | ||
const loaderUtils = require('loader-utils'); | ||
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const pluginName = 'postcss-url-parser'; | ||
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module.exports = postcss.plugin( | ||
pluginName, | ||
(options) => | ||
function process(css) { | ||
const urlItems = []; | ||
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function processNode(item) { | ||
switch (item.type) { | ||
case 'value': | ||
item.nodes.forEach(processNode); | ||
break; | ||
case 'nested-item': | ||
item.nodes.forEach(processNode); | ||
break; | ||
case 'url': | ||
if ( | ||
item.url.replace(/\s/g, '').length && | ||
!/^#/.test(item.url) && | ||
loaderUtils.isUrlRequest(item.url) | ||
) { | ||
// Strip quotes, they will be re-added if the module needs them | ||
/* eslint-disable no-param-reassign */ | ||
item.stringType = ''; | ||
delete item.innerSpacingBefore; | ||
delete item.innerSpacingAfter; | ||
const { url } = item; | ||
item.url = `___CSS_LOADER_URL___${urlItems.length}___`; | ||
/* eslint-enable no-param-reassign */ | ||
urlItems.push({ | ||
url, | ||
}); | ||
} | ||
break; | ||
// no default | ||
} | ||
} | ||
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css.walkDecls((decl) => { | ||
const values = Tokenizer.parseValues(decl.value); | ||
values.nodes.forEach((value) => { | ||
value.nodes.forEach(processNode); | ||
}); | ||
// eslint-disable-next-line no-param-reassign | ||
decl.value = Tokenizer.stringifyValues(values); | ||
}); | ||
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// eslint-disable-next-line no-param-reassign | ||
options.urlItems = urlItems; | ||
} | ||
); |
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