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node_modules/protobufjs/src/object.js

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+"use strict";
+module.exports = ReflectionObject;
+
+ReflectionObject.className = "ReflectionObject";
+
+const OneOf = require("./oneof");
+var util = require("./util");
+
+var Root; // cyclic
+
+/* eslint-disable no-warning-comments */
+// TODO: Replace with embedded proto.
+var editions2023Defaults = {enum_type: "OPEN", field_presence: "EXPLICIT", json_format: "ALLOW", message_encoding: "LENGTH_PREFIXED", repeated_field_encoding: "PACKED", utf8_validation: "VERIFY"};
+var proto2Defaults = {enum_type: "CLOSED", field_presence: "EXPLICIT", json_format: "LEGACY_BEST_EFFORT", message_encoding: "LENGTH_PREFIXED", repeated_field_encoding: "EXPANDED", utf8_validation: "NONE"};
+var proto3Defaults = {enum_type: "OPEN", field_presence: "IMPLICIT", json_format: "ALLOW", message_encoding: "LENGTH_PREFIXED", repeated_field_encoding: "PACKED", utf8_validation: "VERIFY"};
+
+/**
+ * Constructs a new reflection object instance.
+ * @classdesc Base class of all reflection objects.
+ * @constructor
+ * @param {string} name Object name
+ * @param {Object.<string,*>} [options] Declared options
+ * @abstract
+ */
+function ReflectionObject(name, options) {
+
+    if (!util.isString(name))
+        throw TypeError("name must be a string");
+
+    if (options && !util.isObject(options))
+        throw TypeError("options must be an object");
+
+    /**
+     * Options.
+     * @type {Object.<string,*>|undefined}
+     */
+    this.options = options; // toJSON
+
+    /**
+     * Parsed Options.
+     * @type {Array.<Object.<string,*>>|undefined}
+     */
+    this.parsedOptions = null;
+
+    /**
+     * Unique name within its namespace.
+     * @type {string}
+     */
+    this.name = name;
+
+    /**
+     * The edition specified for this object.  Only relevant for top-level objects.
+     * @type {string}
+     */
+    this._edition = null;
+
+    /**
+     * The default edition to use for this object if none is specified.  For legacy reasons,
+     * this is proto2 except in the JSON parsing case where it was proto3.
+     * @type {string}
+     */
+    this._defaultEdition = "proto2";
+
+    /**
+     * Resolved Features.
+     * @type {object}
+     */
+    this._features = {};
+
+    /**
+     * Whether or not features have been resolved.
+     * @type {boolean}
+     */
+    this._featuresResolved = false;
+
+    /**
+     * Parent namespace.
+     * @type {Namespace|null}
+     */
+    this.parent = null;
+
+    /**
+     * Whether already resolved or not.
+     * @type {boolean}
+     */
+    this.resolved = false;
+
+    /**
+     * Comment text, if any.
+     * @type {string|null}
+     */
+    this.comment = null;
+
+    /**
+     * Defining file name.
+     * @type {string|null}
+     */
+    this.filename = null;
+}
+
+Object.defineProperties(ReflectionObject.prototype, {
+
+    /**
+     * Reference to the root namespace.
+     * @name ReflectionObject#root
+     * @type {Root}
+     * @readonly
+     */
+    root: {
+        get: function() {
+            var ptr = this;
+            while (ptr.parent !== null)
+                ptr = ptr.parent;
+            return ptr;
+        }
+    },
+
+    /**
+     * Full name including leading dot.
+     * @name ReflectionObject#fullName
+     * @type {string}
+     * @readonly
+     */
+    fullName: {
+        get: function() {
+            var path = [ this.name ],
+                ptr = this.parent;
+            while (ptr) {
+                path.unshift(ptr.name);
+                ptr = ptr.parent;
+            }
+            return path.join(".");
+        }
+    }
+});
+
+/**
+ * Converts this reflection object to its descriptor representation.
+ * @returns {Object.<string,*>} Descriptor
+ * @abstract
+ */
+ReflectionObject.prototype.toJSON = /* istanbul ignore next */ function toJSON() {
+    throw Error(); // not implemented, shouldn't happen
+};
+
+/**
+ * Called when this object is added to a parent.
+ * @param {ReflectionObject} parent Parent added to
+ * @returns {undefined}
+ */
+ReflectionObject.prototype.onAdd = function onAdd(parent) {
+    if (this.parent && this.parent !== parent)
+        this.parent.remove(this);
+    this.parent = parent;
+    this.resolved = false;
+    var root = parent.root;
+    if (root instanceof Root)
+        root._handleAdd(this);
+};
+
+/**
+ * Called when this object is removed from a parent.
+ * @param {ReflectionObject} parent Parent removed from
+ * @returns {undefined}
+ */
+ReflectionObject.prototype.onRemove = function onRemove(parent) {
+    var root = parent.root;
+    if (root instanceof Root)
+        root._handleRemove(this);
+    this.parent = null;
+    this.resolved = false;
+};
+
+/**
+ * Resolves this objects type references.
+ * @returns {ReflectionObject} `this`
+ */
+ReflectionObject.prototype.resolve = function resolve() {
+    if (this.resolved)
+        return this;
+    if (this.root instanceof Root)
+        this.resolved = true; // only if part of a root
+    return this;
+};
+
+/**
+ * Resolves this objects editions features.
+ * @param {string} edition The edition we're currently resolving for.
+ * @returns {ReflectionObject} `this`
+ */
+ReflectionObject.prototype._resolveFeaturesRecursive = function _resolveFeaturesRecursive(edition) {
+    return this._resolveFeatures(this._edition || edition);
+};
+
+/**
+ * Resolves child features from parent features
+ * @param {string} edition The edition we're currently resolving for.
+ * @returns {undefined}
+ */
+ReflectionObject.prototype._resolveFeatures = function _resolveFeatures(edition) {
+    if (this._featuresResolved) {
+        return;
+    }
+
+    var defaults = {};
+
+    /* istanbul ignore if */
+    if (!edition) {
+        throw new Error("Unknown edition for " + this.fullName);
+    }
+
+    var protoFeatures = Object.assign(this.options ? Object.assign({},  this.options.features) : {},
+        this._inferLegacyProtoFeatures(edition));
+
+    if (this._edition) {
+        // For a namespace marked with a specific edition, reset defaults.
+        /* istanbul ignore else */
+        if (edition === "proto2") {
+            defaults = Object.assign({}, proto2Defaults);
+        } else if (edition === "proto3") {
+            defaults = Object.assign({}, proto3Defaults);
+        } else if (edition === "2023") {
+            defaults = Object.assign({}, editions2023Defaults);
+        } else {
+            throw new Error("Unknown edition: " + edition);
+        }
+        this._features = Object.assign(defaults, protoFeatures || {});
+        this._featuresResolved = true;
+        return;
+    }
+
+    // fields in Oneofs aren't actually children of them, so we have to
+    // special-case it
+    /* istanbul ignore else */
+    if (this.partOf instanceof OneOf) {
+        var lexicalParentFeaturesCopy = Object.assign({}, this.partOf._features);
+        this._features = Object.assign(lexicalParentFeaturesCopy, protoFeatures || {});
+    } else if (this.declaringField) {
+        // Skip feature resolution of sister fields.
+    } else if (this.parent) {
+        var parentFeaturesCopy = Object.assign({}, this.parent._features);
+        this._features = Object.assign(parentFeaturesCopy, protoFeatures || {});
+    } else {
+        throw new Error("Unable to find a parent for " + this.fullName);
+    }
+    if (this.extensionField) {
+        // Sister fields should have the same features as their extensions.
+        this.extensionField._features = this._features;
+    }
+    this._featuresResolved = true;
+};
+
+/**
+ * Infers features from legacy syntax that may have been specified differently.
+ * in older editions.
+ * @param {string|undefined} edition The edition this proto is on, or undefined if pre-editions
+ * @returns {object} The feature values to override
+ */
+ReflectionObject.prototype._inferLegacyProtoFeatures = function _inferLegacyProtoFeatures(/*edition*/) {
+    return {};
+};
+
+/**
+ * Gets an option value.
+ * @param {string} name Option name
+ * @returns {*} Option value or `undefined` if not set
+ */
+ReflectionObject.prototype.getOption = function getOption(name) {
+    if (this.options)
+        return this.options[name];
+    return undefined;
+};
+
+/**
+ * Sets an option.
+ * @param {string} name Option name
+ * @param {*} value Option value
+ * @param {boolean|undefined} [ifNotSet] Sets the option only if it isn't currently set
+ * @returns {ReflectionObject} `this`
+ */
+ReflectionObject.prototype.setOption = function setOption(name, value, ifNotSet) {
+    if (!this.options)
+        this.options = {};
+    if (/^features\./.test(name)) {
+        util.setProperty(this.options, name, value, ifNotSet);
+    } else if (!ifNotSet || this.options[name] === undefined) {
+        if (this.getOption(name) !== value) this.resolved = false;
+        this.options[name] = value;
+    }
+
+    return this;
+};
+
+/**
+ * Sets a parsed option.
+ * @param {string} name parsed Option name
+ * @param {*} value Option value
+ * @param {string} propName dot '.' delimited full path of property within the option to set. if undefined\empty, will add a new option with that value
+ * @returns {ReflectionObject} `this`
+ */
+ReflectionObject.prototype.setParsedOption = function setParsedOption(name, value, propName) {
+    if (!this.parsedOptions) {
+        this.parsedOptions = [];
+    }
+    var parsedOptions = this.parsedOptions;
+    if (propName) {
+        // If setting a sub property of an option then try to merge it
+        // with an existing option
+        var opt = parsedOptions.find(function (opt) {
+            return Object.prototype.hasOwnProperty.call(opt, name);
+        });
+        if (opt) {
+            // If we found an existing option - just merge the property value
+            // (If it's a feature, will just write over)
+            var newValue = opt[name];
+            util.setProperty(newValue, propName, value);
+        } else {
+            // otherwise, create a new option, set its property and add it to the list
+            opt = {};
+            opt[name] = util.setProperty({}, propName, value);
+            parsedOptions.push(opt);
+        }
+    } else {
+        // Always create a new option when setting the value of the option itself
+        var newOpt = {};
+        newOpt[name] = value;
+        parsedOptions.push(newOpt);
+    }
+
+    return this;
+};
+
+/**
+ * Sets multiple options.
+ * @param {Object.<string,*>} options Options to set
+ * @param {boolean} [ifNotSet] Sets an option only if it isn't currently set
+ * @returns {ReflectionObject} `this`
+ */
+ReflectionObject.prototype.setOptions = function setOptions(options, ifNotSet) {
+    if (options)
+        for (var keys = Object.keys(options), i = 0; i < keys.length; ++i)
+            this.setOption(keys[i], options[keys[i]], ifNotSet);
+    return this;
+};
+
+/**
+ * Converts this instance to its string representation.
+ * @returns {string} Class name[, space, full name]
+ */
+ReflectionObject.prototype.toString = function toString() {
+    var className = this.constructor.className,
+        fullName  = this.fullName;
+    if (fullName.length)
+        return className + " " + fullName;
+    return className;
+};
+
+/**
+ * Converts the edition this object is pinned to for JSON format.
+ * @returns {string|undefined} The edition string for JSON representation
+ */
+ReflectionObject.prototype._editionToJSON = function _editionToJSON() {
+    if (!this._edition || this._edition === "proto3") {
+        // Avoid emitting proto3 since we need to default to it for backwards
+        // compatibility anyway.
+        return undefined;
+    }
+    return this._edition;
+};
+
+// Sets up cyclic dependencies (called in index-light)
+ReflectionObject._configure = function(Root_) {
+    Root = Root_;
+};