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