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VM should do the heavy lifting of saving project to a zip file, and return a promise of the zip to gui.

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This commit is contained in:
Karishma Chadha 2018-03-05 17:20:36 -05:00
parent c0afcd2ab3
commit d6e248aab8
1 changed files with 17 additions and 6 deletions
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23
src/virtual-machine.js
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@ -1,5 +1,6 @@
const TextEncoder = require('text-encoding').TextEncoder;
const EventEmitter = require('events');
const JSZip = require('jszip');
const centralDispatch = require('./dispatch/central-dispatch');
const ExtensionManager = require('./extension-support/extension-manager');
@ -227,15 +228,25 @@ class VirtualMachine extends EventEmitter {
* @returns {string} Project in a Scratch 3.0 JSON representation.
*/
saveProjectSb3 () {
// @todo: Handle other formats, e.g., Scratch 1.4, Scratch 2.0.
const soundDescs = serializeSounds(this.runtime);
const costumeDescs = serializeCostumes(this.runtime);
const projectJson = this.toJSON();
return {
projectJson: this.toJSON(),
sounds: soundDescs,
costumes: costumeDescs
};
const zip = new JSZip();
// Put everything in a zip file
// TODO compression?
zip.file('project.json', projectJson);
for (let i = 0; i < soundDescs.length; i++) {
const currSound = soundDescs[i];
zip.file(currSound.fileName, currSound.fileContent);
}
for (let i = 0; i < costumeDescs.length; i++) {
const currCostume = costumeDescs[i];
zip.file(currCostume.fileName, currCostume.fileContent);
}
return zip.generateAsync({type: 'blob'});
}
/**