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VM receives input buffer representing project to load and unpacks it as zip. This functionality will eventually move to storage.

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This commit is contained in:
kchadha 2018-03-08 10:25:58 -05:00
parent d6e248aab8
commit d59a4ffd55
1 changed files with 12 additions and 11 deletions
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13
src/virtual-machine.js
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@ -189,22 +189,23 @@ class VirtualMachine extends EventEmitter {
/** /**
* Load a project from a Scratch 3.0 sb3 file containing a project json * Load a project from a Scratch 3.0 sb3 file containing a project json
* and all of the sound and costume files. * and all of the sound and costume files.
* @param {JSZip} sb3File The sb3 file representing the project to load. * @param {Buffer} inputBuffer A buffer representing the project to load.
* @return {!Promise} Promise that resolves after targets are installed. * @return {!Promise} Promise that resolves after targets are installed.
*/ */
loadProjectLocal (sb3File) { loadProjectLocal (inputBuffer) {
// TODO need to handle sb2 files as well, and will possibly merge w/ // TODO need to handle sb2 files as well, and will possibly merge w/
// above function // above function
return sb3File.file('project.json').async('string') return JSZip.loadAsync(inputBuffer)
.then(sb3File => {
sb3File.file('project.json').async('string')
.then(json => { .then(json => {
// TODO look at promise documentation to do this on success, // TODO error handling for unpacking zip/not finding project.json
// but something else on error
json = JSON.parse(json); // TODO catch errors here (validation) json = JSON.parse(json); // TODO catch errors here (validation)
return sb3.deserialize(json, this.runtime, sb3File) return sb3.deserialize(json, this.runtime, sb3File)
.then(({targets, extensions}) => .then(({targets, extensions}) =>
this.installTargets(targets, extensions, true)); this.installTargets(targets, extensions, true));
}); });
});
} }
/** /**