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fix: preserve leading underscore in class names #543

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merged 1 commit into from
May 29, 2017
Merged

fix: preserve leading underscore in class names #543

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28 changes: 11 additions & 17 deletions lib/processCss.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ var loaderUtils = require("loader-utils");
var assign = require("object-assign");
var getLocalIdent = require("./getLocalIdent");

var icssUtils = require('icss-utils');
var localByDefault = require("postcss-modules-local-by-default");
var extractImports = require("postcss-modules-extract-imports");
var modulesScope = require("postcss-modules-scope");
Expand Down Expand Up @@ -65,24 +66,17 @@ var parserPlugin = postcss.plugin("css-loader-parser", function(options) {
});
}

css.walkRules(function(rule) {
if(rule.selector === ":export") {
rule.walkDecls(function(decl) {
exports[decl.prop] = decl.value;
});
rule.remove();
} else if(/^:import\(.+\)$/.test(rule.selector)) {
var match = /^:import\((.+)\)$/.exec(rule.selector);
var url = loaderUtils.parseString(match[1]);
rule.walkDecls(function(decl) {
imports["$" + decl.prop] = importItems.length;
importItems.push({
url: url,
export: decl.value
});
var icss = icssUtils.extractICSS(css);
exports = icss.icssExports;
Object.keys(icss.icssImports).forEach(function(key) {
var url = loaderUtils.parseString(key);
Object.keys(icss.icssImports[key]).forEach(function(prop) {
imports["$" + prop] = importItems.length;
importItems.push({
url: url,
export: icss.icssImports[key][prop]
});
rule.remove();
}
})
});

Object.keys(exports).forEach(function(exportName) {
Expand Down
1 change: 1 addition & 0 deletions package.json
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Expand Up @@ -15,6 +15,7 @@
"babel-code-frame": "^6.11.0",
"css-selector-tokenizer": "^0.7.0",
"cssnano": ">=2.6.1 <4",
"icss-utils": "^2.1.0",
"loader-utils": "^1.0.2",
"lodash.camelcase": "^4.3.0",
"object-assign": "^4.0.1",
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5 changes: 5 additions & 0 deletions test/localTest.js
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Expand Up @@ -217,4 +217,9 @@ describe("local", function() {
], {
test: "_--test"
}, "?localIdentName=--[local]");
testLocal("saves underscore prefix in exported class names", ":export { _test: _test }", [
[1, "", ""]
], {
_test: '_test'
}, "?localIdentName=[local]");
});
18 changes: 14 additions & 4 deletions yarn.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -520,10 +520,6 @@ conventional-recommended-bump@^0.3.0:
meow "^3.3.0"
object-assign "^4.0.1"

convert-source-map@^1.3.0:
version "1.4.0"
resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.4.0.tgz#e3dad195bf61bfe13a7a3c73e9876ec14a0268f3"

core-util-is@~1.0.0:
version "1.0.2"
resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
Expand Down Expand Up @@ -1164,6 +1160,12 @@ icss-replace-symbols@^1.0.2:
version "1.0.2"
resolved "https://registry.yarnpkg.com/icss-replace-symbols/-/icss-replace-symbols-1.0.2.tgz#cb0b6054eb3af6edc9ab1d62d01933e2d4c8bfa5"

icss-utils@^2.1.0:
version "2.1.0"
resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-2.1.0.tgz#83f0a0ec378bf3246178b6c2ad9136f135b1c962"
dependencies:
postcss "^6.0.1"

ignore@^3.2.0:
version "3.2.4"
resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.2.4.tgz#4055e03596729a8fabe45a43c100ad5ed815c4e8"
Expand Down Expand Up @@ -2036,6 +2038,14 @@ postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0
source-map "^0.5.6"
supports-color "^3.2.3"

postcss@^6.0.1:
version "6.0.1"
resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.1.tgz#000dbd1f8eef217aa368b9a212c5fc40b2a8f3f2"
dependencies:
chalk "^1.1.3"
source-map "^0.5.6"
supports-color "^3.2.3"

prelude-ls@~1.1.2:
version "1.1.2"
resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
Expand Down