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serializers.ts
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serializers.ts
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/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { isImportRef } from './importRegistry';
type FunctionRef = {
__pw_type: 'function';
ordinal: number;
};
function isFunctionRef(value: any): value is FunctionRef {
return value && typeof value === 'object' && value.__pw_type === 'function';
}
export function wrapObject(value: any, callbacks: Function[]): any {
return transformObject(value, (v: any) => {
if (typeof v === 'function') {
const ordinal = callbacks.length;
callbacks.push(v as Function);
const result: FunctionRef = {
__pw_type: 'function',
ordinal,
};
return { result };
}
});
}
export async function unwrapObject(value: any): Promise<any> {
return transformObjectAsync(value, async (v: any) => {
if (isFunctionRef(v)) {
const result = (...args: any[]) => {
window.__ctDispatchFunction(v.ordinal, args);
};
return { result };
}
if (isImportRef(v))
return { result: await window.__pwRegistry.resolveImportRef(v) };
});
}
export function transformObject(value: any, mapping: (v: any) => { result: any } | undefined): any {
const result = mapping(value);
if (result)
return result.result;
if (value === null || typeof value !== 'object')
return value;
if (value instanceof Date || value instanceof RegExp || value instanceof URL)
return value;
if (Array.isArray(value)) {
const result = [];
for (const item of value)
result.push(transformObject(item, mapping));
return result;
}
const result2: any = {};
for (const [key, prop] of Object.entries(value))
result2[key] = transformObject(prop, mapping);
return result2;
}
export async function transformObjectAsync(value: any, mapping: (v: any) => Promise<{ result: any } | undefined>): Promise<any> {
const result = await mapping(value);
if (result)
return result.result;
if (value === null || typeof value !== 'object')
return value;
if (value instanceof Date || value instanceof RegExp || value instanceof URL)
return value;
if (Array.isArray(value)) {
const result = [];
for (const item of value)
result.push(await transformObjectAsync(item, mapping));
return result;
}
const result2: any = {};
for (const [key, prop] of Object.entries(value))
result2[key] = await transformObjectAsync(prop, mapping);
return result2;
}