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d3a9e517b2
* Add top-level serialization API * Add using JSO system in serializer tests * Make compiler happy
81 lines
2.3 KiB
JavaScript
81 lines
2.3 KiB
JavaScript
/**
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* @license
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* Copyright 2021 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Contains top-level functions for serializing workspaces to
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* plain JavaScript objects.
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*/
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'use strict';
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goog.module('Blockly.serialization.workspaces');
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goog.module.declareLegacyNamespace();
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// eslint-disable-next-line no-unused-vars
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const Workspace = goog.require('Blockly.Workspace');
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const blocks = goog.require('Blockly.serialization.blocks');
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const variables = goog.require('Blockly.serialization.variables');
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/**
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* Returns the state of the workspace as a plain JavaScript object.
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* @param {!Workspace} workspace The workspace to serialize.
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* @return {!Object<string, *>} The serialized state of the workspace.
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*/
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const save = function(workspace) {
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const state = Object.create(null);
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// TODO: Switch this to use plugin serialization system (once it is built).
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const variableState = [];
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const vars = workspace.getAllVariables();
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for (let i = 0; i < vars.length; i++) {
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variableState.push(variables.save(vars[i]));
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}
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if (variableState.length) {
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state['variables'] = variableState;
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}
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const blockState = [];
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for (let block of workspace.getTopBlocks(false)) {
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blockState.push(
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blocks.save(block, {addCoordinates: true}));
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}
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if (blockState.length) {
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// This is an object to support adding language version later.
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state['blocks'] = {
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'blocks': blockState
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};
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}
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return state;
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};
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exports.save = save;
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/**
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* Loads the variable represented by the given state into the given workspace.
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* @param {!Object<string, *>} state The state of the workspace to deserialize
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* into the workspace.
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* @param {!Workspace} workspace The workspace to add the new state to.
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*/
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const load = function(state, workspace) {
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// TODO: Switch this to use plugin serialization system (once it is built).
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// TODO: Add something for clearing the state before deserializing.
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if (state['variables']) {
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const variableStates = state['variables'];
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for (let i = 0; i < variableStates.length; i++) {
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variables.load(variableStates[i], workspace);
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}
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}
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if (state['blocks']) {
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const blockStates = state['blocks']['blocks'];
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for (let i = 0; i < blockStates.length; i++) {
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blocks.load(blockStates[i], workspace);
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}
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}
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};
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exports.load = load;
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