Files
blockly/core/serialization/workspaces.ts
Neil Fraser 2ea9e21e6d chore: Clean up variable assignment. (#7962)
* chore: Clean up variable assignment.

* fix: variable now const as a result of prev commit
2024-03-26 19:13:52 +01:00

95 lines
2.9 KiB
TypeScript

/**
* @license
* Copyright 2021 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
// Former goog.module ID: Blockly.serialization.workspaces
import * as eventUtils from '../events/utils.js';
import type {ISerializer} from '../interfaces/i_serializer.js';
import * as registry from '../registry.js';
import * as dom from '../utils/dom.js';
// eslint-disable-next-line no-unused-vars
import type {Workspace} from '../workspace.js';
import {WorkspaceSvg} from '../workspace_svg.js';
/**
* Returns the state of the workspace as a plain JavaScript object.
*
* @param workspace The workspace to serialize.
* @returns The serialized state of the workspace.
*/
export function save(workspace: Workspace): {
[key: string]: AnyDuringMigration;
} {
const state = Object.create(null);
const serializerMap = registry.getAllItems(registry.Type.SERIALIZER, true);
for (const key in serializerMap) {
const save = (serializerMap[key] as ISerializer)?.save(workspace);
if (save) {
state[key] = save;
}
}
return state;
}
/**
* Loads the variable represented by the given state into the given workspace.
*
* @param state The state of the workspace to deserialize into the workspace.
* @param workspace The workspace to add the new state to.
* @param param1 recordUndo: If true, events triggered by this function will be
* undo-able by the user. False by default.
*/
export function load(
state: {[key: string]: AnyDuringMigration},
workspace: Workspace,
{recordUndo = false}: {recordUndo?: boolean} = {},
) {
const serializerMap = registry.getAllItems(registry.Type.SERIALIZER, true);
if (!serializerMap) {
return;
}
const deserializers = Object.entries(serializerMap).sort(
(a, b) => (b[1] as ISerializer)!.priority - (a[1] as ISerializer)!.priority,
);
const prevRecordUndo = eventUtils.getRecordUndo();
eventUtils.setRecordUndo(recordUndo);
const existingGroup = eventUtils.getGroup();
if (!existingGroup) {
eventUtils.setGroup(true);
}
dom.startTextWidthCache();
if (workspace instanceof WorkspaceSvg) {
workspace.setResizesEnabled(false);
}
// We want to trigger clearing in reverse priority order so plugins don't end
// up missing dependencies.
for (const [, deserializer] of deserializers.reverse()) {
(deserializer as ISerializer)?.clear(workspace);
}
// reverse() is destructive, so we have to re-reverse to correct the order.
for (const [name, deserializer] of deserializers.reverse()) {
const pluginState = state[name];
if (pluginState) {
(deserializer as ISerializer)?.load(state[name], workspace);
}
}
if (workspace instanceof WorkspaceSvg) {
workspace.setResizesEnabled(true);
}
dom.stopTextWidthCache();
eventUtils.fire(new (eventUtils.get(eventUtils.FINISHED_LOADING))(workspace));
eventUtils.setGroup(existingGroup);
eventUtils.setRecordUndo(prevRecordUndo);
}