mirror of
https://github.com/musix-org/musix-oss
synced 2024-12-23 16:13:18 +00:00
84 lines
2.5 KiB
JavaScript
84 lines
2.5 KiB
JavaScript
"use strict";
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/**
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* Wrappers for common types.
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* @type {Object.<string,IWrapper>}
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* @const
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*/
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var wrappers = exports;
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var Message = require("./message");
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/**
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* From object converter part of an {@link IWrapper}.
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* @typedef WrapperFromObjectConverter
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* @type {function}
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* @param {Object.<string,*>} object Plain object
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* @returns {Message<{}>} Message instance
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* @this Type
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*/
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/**
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* To object converter part of an {@link IWrapper}.
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* @typedef WrapperToObjectConverter
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* @type {function}
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* @param {Message<{}>} message Message instance
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* @param {IConversionOptions} [options] Conversion options
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* @returns {Object.<string,*>} Plain object
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* @this Type
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*/
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/**
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* Common type wrapper part of {@link wrappers}.
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* @interface IWrapper
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* @property {WrapperFromObjectConverter} [fromObject] From object converter
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* @property {WrapperToObjectConverter} [toObject] To object converter
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*/
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// Custom wrapper for Any
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wrappers[".google.protobuf.Any"] = {
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fromObject: function(object) {
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// unwrap value type if mapped
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if (object && object["@type"]) {
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var type = this.lookup(object["@type"]);
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/* istanbul ignore else */
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if (type) {
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// type_url does not accept leading "."
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var type_url = object["@type"].charAt(0) === "." ?
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object["@type"].substr(1) : object["@type"];
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// type_url prefix is optional, but path seperator is required
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return this.create({
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type_url: "/" + type_url,
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value: type.encode(type.fromObject(object)).finish()
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});
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}
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}
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return this.fromObject(object);
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},
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toObject: function(message, options) {
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// decode value if requested and unmapped
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if (options && options.json && message.type_url && message.value) {
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// Only use fully qualified type name after the last '/'
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var name = message.type_url.substring(message.type_url.lastIndexOf("/") + 1);
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var type = this.lookup(name);
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/* istanbul ignore else */
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if (type)
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message = type.decode(message.value);
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}
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// wrap value if unmapped
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if (!(message instanceof this.ctor) && message instanceof Message) {
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var object = message.$type.toObject(message, options);
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object["@type"] = message.$type.fullName;
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return object;
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}
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return this.toObject(message, options);
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}
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};
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