react-native/local-cli/bundle/getAssetDestPathAndroid.js

44 lines
1.3 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
const path = require('path');
function getAndroidAssetSuffix(scale) {
switch (scale) {
case 0.75: return 'ldpi';
case 1: return 'mdpi';
case 1.5: return 'hdpi';
case 2: return 'xhdpi';
case 3: return 'xxhdpi';
case 4: return 'xxxhdpi';
}
}
function getAssetDestPathAndroid(asset, scale) {
var suffix = getAndroidAssetSuffix(scale);
if (!suffix) {
throw new Error(
'Don\'t know which android drawable suffix to use for asset: ' +
JSON.stringify(asset)
);
}
const androidFolder = 'drawable-' + suffix;
// TODO: reuse this logic from https://fburl.com/151101135
const fileName = (asset.httpServerLocation.substr(1) + '/' + asset.name)
.toLowerCase()
.replace(/\//g, '_') // Encode folder structure in file name
.replace(/([^a-z0-9_])/g, '') // Remove illegal chars
.replace(/^assets_/, ''); // Remove "assets_" prefix
return path.join(androidFolder, fileName + '.' + asset.type);
}
module.exports = getAssetDestPathAndroid;