GoScrobble/web/node_modules/react-dev-utils/getCSSModuleLocalIdent.js

41 lines
1.2 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
const loaderUtils = require('loader-utils');
const path = require('path');
module.exports = function getLocalIdent(
context,
localIdentName,
localName,
options
) {
// Use the filename or folder name, based on some uses the index.js / index.module.(css|scss|sass) project style
const fileNameOrFolder = context.resourcePath.match(
/index\.module\.(css|scss|sass)$/
)
? '[folder]'
: '[name]';
// Create a hash based on a the file location and class name. Will be unique across a project, and close to globally unique.
const hash = loaderUtils.getHashDigest(
path.posix.relative(context.rootContext, context.resourcePath) + localName,
'md5',
'base64',
5
);
// Use loaderUtils to find the file or folder name
const className = loaderUtils.interpolateName(
context,
fileNameOrFolder + '_' + localName + '__' + hash,
options
);
// Remove the .module that appears in every classname when based on the file and replace all "." with "_".
return className.replace('.module_', '_').replace(/\./g, '_');
};