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export deserializeBlocks method

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This commit is contained in:
Corey Frang 2018-08-14 11:17:47 -04:00
parent e6a7188613
commit fe46a81cc9
1 changed files with 31 additions and 20 deletions
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51
src/serialization/sb3.js
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@ -741,6 +741,34 @@ const deserializeFields = function (fields) {
return obj;
};
/**
* Covnert serialized INPUT and FIELD primitives back to hydrated block templates.
*
* @param {object} blocks Serialized SB3 "blocks" property of a target. Will be mutated.
* @return {object} input is modified and returned
*/
const deserializeBlocks = function (blocks) {
for (const blockId in blocks) {
if (!blocks.hasOwnProperty(blockId)) {
continue;
}
const block = blocks[blockId];
if (Array.isArray(block)) {
// this is one of the primitives
// delete the old entry in object.blocks and replace it w/the
// deserialized object
delete block[blockId];
deserializeInputDesc(block, null, false, blocks);
continue;
}
block.id = blockId; // add id back to block since it wasn't serialized
block.inputs = deserializeInputs(block.inputs, blockId, blocks);
block.fields = deserializeFields(block.fields);
}
return blocks;
};
/**
* Parse a single "Scratch object" and create all its in-memory VM objects.
* @param {!object} object From-JSON "Scratch object:" sprite, stage, watcher.
@ -766,25 +794,7 @@ const parseScratchObject = function (object, runtime, extensions, zip) {
sprite.name = object.name;
}
if (object.hasOwnProperty('blocks')) {
for (const blockId in object.blocks) {
if (!object.blocks.hasOwnProperty(blockId)) continue;
const blockJSON = object.blocks[blockId];
if (Array.isArray(blockJSON)) {
// this is one of the primitives
// delete the old entry in object.blocks and replace it w/the
// deserialized object
delete object.blocks[blockId];
deserializeInputDesc(blockJSON, null, false, object.blocks);
continue;
}
blockJSON.id = blockId; // add id back to block since it wasn't serialized
const serializedInputs = blockJSON.inputs;
const deserializedInputs = deserializeInputs(serializedInputs, blockId, object.blocks);
blockJSON.inputs = deserializedInputs;
const serializedFields = blockJSON.fields;
const deserializedFields = deserializeFields(serializedFields);
blockJSON.fields = deserializedFields;
}
deserializeBlocks(object.blocks);
// Take a second pass to create objects and add extensions
for (const blockId in object.blocks) {
if (!object.blocks.hasOwnProperty(blockId)) continue;
@ -1008,5 +1018,6 @@ const deserialize = function (json, runtime, zip, isSingleSprite) {
module.exports = {
serialize: serialize,
deserialize: deserialize
deserialize: deserialize,
deserializeBlocks: deserializeBlocks
};