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cd1c72c7cc
Rather than assuming that the storage instance will be attached to a VM, just return it. Callers may attach it to a `VM` or (in the case of `import_sb2.js`) to a `Runtime`.
47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
const ScratchStorage = require('scratch-storage');
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const ASSET_SERVER = 'https://cdn.assets.scratch.mit.edu/';
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const PROJECT_SERVER = 'https://cdn.projects.scratch.mit.edu/';
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/**
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* @param {Asset} asset - calculate a URL for this asset.
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* @returns {string} a URL to download a project file.
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*/
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const getProjectUrl = function (asset) {
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const assetIdParts = asset.assetId.split('.');
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const assetUrlParts = [PROJECT_SERVER, 'internalapi/project/', assetIdParts[0], '/get/'];
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if (assetIdParts[1]) {
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assetUrlParts.push(assetIdParts[1]);
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}
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return assetUrlParts.join('');
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};
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/**
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* @param {Asset} asset - calculate a URL for this asset.
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* @returns {string} a URL to download a project asset (PNG, WAV, etc.)
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*/
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const getAssetUrl = function (asset) {
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const assetUrlParts = [
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ASSET_SERVER,
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'internalapi/asset/',
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asset.assetId,
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'.',
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asset.dataFormat,
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'/get/'
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];
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return assetUrlParts.join('');
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};
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/**
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* Construct a new instance of ScratchStorage and provide it with default web sources.
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* @returns {ScratchStorage} - an instance of ScratchStorage, ready to be used for tests.
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*/
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const makeTestStorage = function () {
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const storage = new ScratchStorage();
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const AssetType = storage.AssetType;
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storage.addWebSource([AssetType.Project], getProjectUrl);
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storage.addWebSource([AssetType.ImageVector, AssetType.ImageBitmap, AssetType.Sound], getAssetUrl);
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return storage;
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};
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module.exports = makeTestStorage;
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