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append a hash of the css source to scoped classnames #16

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Merged
merged 4 commits into from
Jul 3, 2015
Merged

append a hash of the css source to scoped classnames #16

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84b4321
append a hash of the css source to scoped classnames
joshwnj Jun 29, 2015
2fd62bf
fixed typo
joshwnj Jun 29, 2015
6bf3955
ensure options object is initialized
joshwnj Jun 29, 2015
6b10363
upgraded css-modules-loader-core
joshwnj Jul 2, 2015
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19 changes: 19 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,19 @@ var through = require('through');
var Core = require('css-modules-loader-core');
var FileSystemLoader = require('css-modules-loader-core/lib/file-system-loader');
var assign = require('object-assign');
var stringHash = require('string-hash');

/*
Custom `generateScopedName` function for `postcss-modules-scope`.
Appends a hash of the css source.
*/
function createScopedNameFunc (plugin) {
var orig = plugin.generateScopedName;
return function (name, path, css) {
var hash = stringHash(css).toString(36).substr(0, 5);
return orig.apply(plugin, arguments) + '___' + hash;
}
};

var cssExt = /\.css$/;
module.exports = function (browserify, options) {
Expand Down Expand Up @@ -31,6 +44,12 @@ module.exports = function (browserify, options) {

var plugin = require(name);

// custom scoped name generation
if (name === 'postcss-modules-scope') {
options[name] = options[name] || {};
options[name].generateScopedName = createScopedNameFunc(plugin);
}

if (name in options) {
plugin = plugin(options[name]);
} else {
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3 changes: 2 additions & 1 deletion package.json
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Expand Up @@ -4,8 +4,9 @@
"description": "A browserify transform to load CSS Modules",
"main": "index.js",
"dependencies": {
"css-modules-loader-core": "0.0.10",
"css-modules-loader-core": "0.0.11",
"object-assign": "^3.0.0",
"string-hash": "^1.1.0",
"through": "^2.3.7"
},
"devDependencies": {},
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