Odoo-GraphQL-Subscription-Client-JS-DEMO/graphql-subscription/node_modules/@apollo/client/cache/inmemory/policies.js

import { __assign, __rest } from "tslib";
import { invariant, newInvariantError } from "../../utilities/globals/index.js";
import { storeKeyNameFromField, argumentsObjectFromField, isReference, getStoreKeyName, isNonNullObject, stringifyForDisplay, } from "../../utilities/index.js";
import { hasOwn, fieldNameFromStoreName, storeValueIsStoreObject, selectionSetMatchesResult, TypeOrFieldNameRegExp, defaultDataIdFromObject, isArray, } from "./helpers.js";
import { cacheSlot } from "./reactiveVars.js";
import { keyArgsFnFromSpecifier, keyFieldsFnFromSpecifier, } from "./key-extractor.js";
function argsFromFieldSpecifier(spec) {
    return (spec.args !== void 0 ? spec.args
        : spec.field ? argumentsObjectFromField(spec.field, spec.variables)
            : null);
}
var nullKeyFieldsFn = function () { return void 0; };
var simpleKeyArgsFn = function (_args, context) { return context.fieldName; };
// These merge functions can be selected by specifying merge:true or
// merge:false in a field policy.
var mergeTrueFn = function (existing, incoming, _a) {
    var mergeObjects = _a.mergeObjects;
    return mergeObjects(existing, incoming);
};
var mergeFalseFn = function (_, incoming) { return incoming; };
var Policies = /** @class */ (function () {
    function Policies(config) {
        this.config = config;
        this.typePolicies = Object.create(null);
        this.toBeAdded = Object.create(null);
        // Map from subtype names to sets of supertype names. Note that this
        // representation inverts the structure of possibleTypes (whose keys are
        // supertypes and whose values are arrays of subtypes) because it tends
        // to be much more efficient to search upwards than downwards.
        this.supertypeMap = new Map();
        // Any fuzzy subtypes specified by possibleTypes will be converted to
        // RegExp objects and recorded here. Every key of this map can also be
        // found in supertypeMap. In many cases this Map will be empty, which
        // means no fuzzy subtype checking will happen in fragmentMatches.
        this.fuzzySubtypes = new Map();
        this.rootIdsByTypename = Object.create(null);
        this.rootTypenamesById = Object.create(null);
        this.usingPossibleTypes = false;
        this.config = __assign({ dataIdFromObject: defaultDataIdFromObject }, config);
        this.cache = this.config.cache;
        this.setRootTypename("Query");
        this.setRootTypename("Mutation");
        this.setRootTypename("Subscription");
        if (config.possibleTypes) {
            this.addPossibleTypes(config.possibleTypes);
        }
        if (config.typePolicies) {
            this.addTypePolicies(config.typePolicies);
        }
    }
    Policies.prototype.identify = function (object, partialContext) {
        var _a;
        var policies = this;
        var typename = (partialContext &&
            (partialContext.typename || ((_a = partialContext.storeObject) === null || _a === void 0 ? void 0 : _a.__typename))) ||
            object.__typename;
        // It should be possible to write root Query fields with writeFragment,
        // using { __typename: "Query", ... } as the data, but it does not make
        // sense to allow the same identification behavior for the Mutation and
        // Subscription types, since application code should never be writing
        // directly to (or reading directly from) those root objects.
        if (typename === this.rootTypenamesById.ROOT_QUERY) {
            return ["ROOT_QUERY"];
        }
        // Default context.storeObject to object if not otherwise provided.
        var storeObject = (partialContext && partialContext.storeObject) || object;
        var context = __assign(__assign({}, partialContext), { typename: typename, storeObject: storeObject, readField: (partialContext && partialContext.readField) ||
                function () {
                    var options = normalizeReadFieldOptions(arguments, storeObject);
                    return policies.readField(options, {
                        store: policies.cache["data"],
                        variables: options.variables,
                    });
                } });
        var id;
        var policy = typename && this.getTypePolicy(typename);
        var keyFn = (policy && policy.keyFn) || this.config.dataIdFromObject;
        while (keyFn) {
            var specifierOrId = keyFn(__assign(__assign({}, object), storeObject), context);
            if (isArray(specifierOrId)) {
                keyFn = keyFieldsFnFromSpecifier(specifierOrId);
            }
            else {
                id = specifierOrId;
                break;
            }
        }
        id = id ? String(id) : void 0;
        return context.keyObject ? [id, context.keyObject] : [id];
    };
    Policies.prototype.addTypePolicies = function (typePolicies) {
        var _this = this;
        Object.keys(typePolicies).forEach(function (typename) {
            var _a = typePolicies[typename], queryType = _a.queryType, mutationType = _a.mutationType, subscriptionType = _a.subscriptionType, incoming = __rest(_a, ["queryType", "mutationType", "subscriptionType"]);
            // Though {query,mutation,subscription}Type configurations are rare,
            // it's important to call setRootTypename as early as possible,
            // since these configurations should apply consistently for the
            // entire lifetime of the cache. Also, since only one __typename can
            // qualify as one of these root types, these three properties cannot
            // be inherited, unlike the rest of the incoming properties. That
            // restriction is convenient, because the purpose of this.toBeAdded
            // is to delay the processing of type/field policies until the first
            // time they're used, allowing policies to be added in any order as
            // long as all relevant policies (including policies for supertypes)
            // have been added by the time a given policy is used for the first
            // time. In other words, since inheritance doesn't matter for these
            // properties, there's also no need to delay their processing using
            // the this.toBeAdded queue.
            if (queryType)
                _this.setRootTypename("Query", typename);
            if (mutationType)
                _this.setRootTypename("Mutation", typename);
            if (subscriptionType)
                _this.setRootTypename("Subscription", typename);
            if (hasOwn.call(_this.toBeAdded, typename)) {
                _this.toBeAdded[typename].push(incoming);
            }
            else {
                _this.toBeAdded[typename] = [incoming];
            }
        });
    };
    Policies.prototype.updateTypePolicy = function (typename, incoming) {
        var _this = this;
        var existing = this.getTypePolicy(typename);
        var keyFields = incoming.keyFields, fields = incoming.fields;
        function setMerge(existing, merge) {
            existing.merge =
                typeof merge === "function" ? merge
                    // Pass merge:true as a shorthand for a merge implementation
                    // that returns options.mergeObjects(existing, incoming).
                    : merge === true ? mergeTrueFn
                        // Pass merge:false to make incoming always replace existing
                        // without any warnings about data clobbering.
                        : merge === false ? mergeFalseFn
                            : existing.merge;
        }
        // Type policies can define merge functions, as an alternative to
        // using field policies to merge child objects.
        setMerge(existing, incoming.merge);
        existing.keyFn =
            // Pass false to disable normalization for this typename.
            keyFields === false ? nullKeyFieldsFn
                // Pass an array of strings to use those fields to compute a
                // composite ID for objects of this typename.
                : isArray(keyFields) ? keyFieldsFnFromSpecifier(keyFields)
                    // Pass a function to take full control over identification.
                    : typeof keyFields === "function" ? keyFields
                        // Leave existing.keyFn unchanged if above cases fail.
                        : existing.keyFn;
        if (fields) {
            Object.keys(fields).forEach(function (fieldName) {
                var existing = _this.getFieldPolicy(typename, fieldName, true);
                var incoming = fields[fieldName];
                if (typeof incoming === "function") {
                    existing.read = incoming;
                }
                else {
                    var keyArgs = incoming.keyArgs, read = incoming.read, merge = incoming.merge;
                    existing.keyFn =
                        // Pass false to disable argument-based differentiation of
                        // field identities.
                        keyArgs === false ? simpleKeyArgsFn
                            // Pass an array of strings to use named arguments to
                            // compute a composite identity for the field.
                            : isArray(keyArgs) ? keyArgsFnFromSpecifier(keyArgs)
                                // Pass a function to take full control over field identity.
                                : typeof keyArgs === "function" ? keyArgs
                                    // Leave existing.keyFn unchanged if above cases fail.
                                    : existing.keyFn;
                    if (typeof read === "function") {
                        existing.read = read;
                    }
                    setMerge(existing, merge);
                }
                if (existing.read && existing.merge) {
                    // If we have both a read and a merge function, assume
                    // keyArgs:false, because read and merge together can take
                    // responsibility for interpreting arguments in and out. This
                    // default assumption can always be overridden by specifying
                    // keyArgs explicitly in the FieldPolicy.
                    existing.keyFn = existing.keyFn || simpleKeyArgsFn;
                }
            });
        }
    };
    Policies.prototype.setRootTypename = function (which, typename) {
        if (typename === void 0) { typename = which; }
        var rootId = "ROOT_" + which.toUpperCase();
        var old = this.rootTypenamesById[rootId];
        if (typename !== old) {
            invariant(!old || old === which, 5, which);
            // First, delete any old __typename associated with this rootId from
            // rootIdsByTypename.
            if (old)
                delete this.rootIdsByTypename[old];
            // Now make this the only __typename that maps to this rootId.
            this.rootIdsByTypename[typename] = rootId;
            // Finally, update the __typename associated with this rootId.
            this.rootTypenamesById[rootId] = typename;
        }
    };
    Policies.prototype.addPossibleTypes = function (possibleTypes) {
        var _this = this;
        this.usingPossibleTypes = true;
        Object.keys(possibleTypes).forEach(function (supertype) {
            // Make sure all types have an entry in this.supertypeMap, even if
            // their supertype set is empty, so we can return false immediately
            // from policies.fragmentMatches for unknown supertypes.
            _this.getSupertypeSet(supertype, true);
            possibleTypes[supertype].forEach(function (subtype) {
                _this.getSupertypeSet(subtype, true).add(supertype);
                var match = subtype.match(TypeOrFieldNameRegExp);
                if (!match || match[0] !== subtype) {
                    // TODO Don't interpret just any invalid typename as a RegExp.
                    _this.fuzzySubtypes.set(subtype, new RegExp(subtype));
                }
            });
        });
    };
    Policies.prototype.getTypePolicy = function (typename) {
        var _this = this;
        if (!hasOwn.call(this.typePolicies, typename)) {
            var policy_1 = (this.typePolicies[typename] = Object.create(null));
            policy_1.fields = Object.create(null);
            // When the TypePolicy for typename is first accessed, instead of
            // starting with an empty policy object, inherit any properties or
            // fields from the type policies of the supertypes of typename.
            //
            // Any properties or fields defined explicitly within the TypePolicy
            // for typename will take precedence, and if there are multiple
            // supertypes, the properties of policies whose types were added
            // later via addPossibleTypes will take precedence over those of
            // earlier supertypes. TODO Perhaps we should warn about these
            // conflicts in development, and recommend defining the property
            // explicitly in the subtype policy?
            //
            // Field policy inheritance is atomic/shallow: you can't inherit a
            // field policy and then override just its read function, since read
            // and merge functions often need to cooperate, so changing only one
            // of them would be a recipe for inconsistency.
            //
            // Once the TypePolicy for typename has been accessed, its properties can
            // still be updated directly using addTypePolicies, but future changes to
            // inherited supertype policies will not be reflected in this subtype
            // policy, because this code runs at most once per typename.
            var supertypes_1 = this.supertypeMap.get(typename);
            if (!supertypes_1 && this.fuzzySubtypes.size) {
                // To make the inheritance logic work for unknown typename strings that
                // may have fuzzy supertypes, we give this typename an empty supertype
                // set and then populate it with any fuzzy supertypes that match.
                supertypes_1 = this.getSupertypeSet(typename, true);
                // This only works for typenames that are directly matched by a fuzzy
                // supertype. What if there is an intermediate chain of supertypes?
                // While possible, that situation can only be solved effectively by
                // specifying the intermediate relationships via possibleTypes, manually
                // and in a non-fuzzy way.
                this.fuzzySubtypes.forEach(function (regExp, fuzzy) {
                    if (regExp.test(typename)) {
                        // The fuzzy parameter is just the original string version of regExp
                        // (not a valid __typename string), but we can look up the
                        // associated supertype(s) in this.supertypeMap.
                        var fuzzySupertypes = _this.supertypeMap.get(fuzzy);
                        if (fuzzySupertypes) {
                            fuzzySupertypes.forEach(function (supertype) {
                                return supertypes_1.add(supertype);
                            });
                        }
                    }
                });
            }
            if (supertypes_1 && supertypes_1.size) {
                supertypes_1.forEach(function (supertype) {
                    var _a = _this.getTypePolicy(supertype), fields = _a.fields, rest = __rest(_a, ["fields"]);
                    Object.assign(policy_1, rest);
                    Object.assign(policy_1.fields, fields);
                });
            }
        }
        var inbox = this.toBeAdded[typename];
        if (inbox && inbox.length) {
            // Merge the pending policies into this.typePolicies, in the order they
            // were originally passed to addTypePolicy.
            inbox.splice(0).forEach(function (policy) {
                _this.updateTypePolicy(typename, policy);
            });
        }
        return this.typePolicies[typename];
    };
    Policies.prototype.getFieldPolicy = function (typename, fieldName, createIfMissing) {
        if (typename) {
            var fieldPolicies = this.getTypePolicy(typename).fields;
            return (fieldPolicies[fieldName] ||
                (createIfMissing && (fieldPolicies[fieldName] = Object.create(null))));
        }
    };
    Policies.prototype.getSupertypeSet = function (subtype, createIfMissing) {
        var supertypeSet = this.supertypeMap.get(subtype);
        if (!supertypeSet && createIfMissing) {
            this.supertypeMap.set(subtype, (supertypeSet = new Set()));
        }
        return supertypeSet;
    };
    Policies.prototype.fragmentMatches = function (fragment, typename, result, variables) {
        var _this = this;
        if (!fragment.typeCondition)
            return true;
        // If the fragment has a type condition but the object we're matching
        // against does not have a __typename, the fragment cannot match.
        if (!typename)
            return false;
        var supertype = fragment.typeCondition.name.value;
        // Common case: fragment type condition and __typename are the same.
        if (typename === supertype)
            return true;
        if (this.usingPossibleTypes && this.supertypeMap.has(supertype)) {
            var typenameSupertypeSet = this.getSupertypeSet(typename, true);
            var workQueue_1 = [typenameSupertypeSet];
            var maybeEnqueue_1 = function (subtype) {
                var supertypeSet = _this.getSupertypeSet(subtype, false);
                if (supertypeSet &&
                    supertypeSet.size &&
                    workQueue_1.indexOf(supertypeSet) < 0) {
                    workQueue_1.push(supertypeSet);
                }
            };
            // We need to check fuzzy subtypes only if we encountered fuzzy
            // subtype strings in addPossibleTypes, and only while writing to
            // the cache, since that's when selectionSetMatchesResult gives a
            // strong signal of fragment matching. The StoreReader class calls
            // policies.fragmentMatches without passing a result object, so
            // needToCheckFuzzySubtypes is always false while reading.
            var needToCheckFuzzySubtypes = !!(result && this.fuzzySubtypes.size);
            var checkingFuzzySubtypes = false;
            // It's important to keep evaluating workQueue.length each time through
            // the loop, because the queue can grow while we're iterating over it.
            for (var i = 0; i < workQueue_1.length; ++i) {
                var supertypeSet = workQueue_1[i];
                if (supertypeSet.has(supertype)) {
                    if (!typenameSupertypeSet.has(supertype)) {
                        if (checkingFuzzySubtypes) {
                            globalThis.__DEV__ !== false && invariant.warn(6, typename, supertype);
                        }
                        // Record positive results for faster future lookup.
                        // Unfortunately, we cannot safely cache negative results,
                        // because new possibleTypes data could always be added to the
                        // Policies class.
                        typenameSupertypeSet.add(supertype);
                    }
                    return true;
                }
                supertypeSet.forEach(maybeEnqueue_1);
                if (needToCheckFuzzySubtypes &&
                    // Start checking fuzzy subtypes only after exhausting all
                    // non-fuzzy subtypes (after the final iteration of the loop).
                    i === workQueue_1.length - 1 &&
                    // We could wait to compare fragment.selectionSet to result
                    // after we verify the supertype, but this check is often less
                    // expensive than that search, and we will have to do the
                    // comparison anyway whenever we find a potential match.
                    selectionSetMatchesResult(fragment.selectionSet, result, variables)) {
                    // We don't always need to check fuzzy subtypes (if no result
                    // was provided, or !this.fuzzySubtypes.size), but, when we do,
                    // we only want to check them once.
                    needToCheckFuzzySubtypes = false;
                    checkingFuzzySubtypes = true;
                    // If we find any fuzzy subtypes that match typename, extend the
                    // workQueue to search through the supertypes of those fuzzy
                    // subtypes. Otherwise the for-loop will terminate and we'll
                    // return false below.
                    this.fuzzySubtypes.forEach(function (regExp, fuzzyString) {
                        var match = typename.match(regExp);
                        if (match && match[0] === typename) {
                            maybeEnqueue_1(fuzzyString);
                        }
                    });
                }
            }
        }
        return false;
    };
    Policies.prototype.hasKeyArgs = function (typename, fieldName) {
        var policy = this.getFieldPolicy(typename, fieldName, false);
        return !!(policy && policy.keyFn);
    };
    Policies.prototype.getStoreFieldName = function (fieldSpec) {
        var typename = fieldSpec.typename, fieldName = fieldSpec.fieldName;
        var policy = this.getFieldPolicy(typename, fieldName, false);
        var storeFieldName;
        var keyFn = policy && policy.keyFn;
        if (keyFn && typename) {
            var context = {
                typename: typename,
                fieldName: fieldName,
                field: fieldSpec.field || null,
                variables: fieldSpec.variables,
            };
            var args = argsFromFieldSpecifier(fieldSpec);
            while (keyFn) {
                var specifierOrString = keyFn(args, context);
                if (isArray(specifierOrString)) {
                    keyFn = keyArgsFnFromSpecifier(specifierOrString);
                }
                else {
                    // If the custom keyFn returns a falsy value, fall back to
                    // fieldName instead.
                    storeFieldName = specifierOrString || fieldName;
                    break;
                }
            }
        }
        if (storeFieldName === void 0) {
            storeFieldName =
                fieldSpec.field ?
                    storeKeyNameFromField(fieldSpec.field, fieldSpec.variables)
                    : getStoreKeyName(fieldName, argsFromFieldSpecifier(fieldSpec));
        }
        // Returning false from a keyArgs function is like configuring
        // keyArgs: false, but more dynamic.
        if (storeFieldName === false) {
            return fieldName;
        }
        // Make sure custom field names start with the actual field.name.value
        // of the field, so we can always figure out which properties of a
        // StoreObject correspond to which original field names.
        return fieldName === fieldNameFromStoreName(storeFieldName) ? storeFieldName
            : fieldName + ":" + storeFieldName;
    };
    Policies.prototype.readField = function (options, context) {
        var objectOrReference = options.from;
        if (!objectOrReference)
            return;
        var nameOrField = options.field || options.fieldName;
        if (!nameOrField)
            return;
        if (options.typename === void 0) {
            var typename = context.store.getFieldValue(objectOrReference, "__typename");
            if (typename)
                options.typename = typename;
        }
        var storeFieldName = this.getStoreFieldName(options);
        var fieldName = fieldNameFromStoreName(storeFieldName);
        var existing = context.store.getFieldValue(objectOrReference, storeFieldName);
        var policy = this.getFieldPolicy(options.typename, fieldName, false);
        var read = policy && policy.read;
        if (read) {
            var readOptions = makeFieldFunctionOptions(this, objectOrReference, options, context, context.store.getStorage(isReference(objectOrReference) ?
                objectOrReference.__ref
                : objectOrReference, storeFieldName));
            // Call read(existing, readOptions) with cacheSlot holding this.cache.
            return cacheSlot.withValue(this.cache, read, [
                existing,
                readOptions,
            ]);
        }
        return existing;
    };
    Policies.prototype.getReadFunction = function (typename, fieldName) {
        var policy = this.getFieldPolicy(typename, fieldName, false);
        return policy && policy.read;
    };
    Policies.prototype.getMergeFunction = function (parentTypename, fieldName, childTypename) {
        var policy = this.getFieldPolicy(parentTypename, fieldName, false);
        var merge = policy && policy.merge;
        if (!merge && childTypename) {
            policy = this.getTypePolicy(childTypename);
            merge = policy && policy.merge;
        }
        return merge;
    };
    Policies.prototype.runMergeFunction = function (existing, incoming, _a, context, storage) {
        var field = _a.field, typename = _a.typename, merge = _a.merge;
        if (merge === mergeTrueFn) {
            // Instead of going to the trouble of creating a full
            // FieldFunctionOptions object and calling mergeTrueFn, we can
            // simply call mergeObjects, as mergeTrueFn would.
            return makeMergeObjectsFunction(context.store)(existing, incoming);
        }
        if (merge === mergeFalseFn) {
            // Likewise for mergeFalseFn, whose implementation is even simpler.
            return incoming;
        }
        // If cache.writeQuery or cache.writeFragment was called with
        // options.overwrite set to true, we still call merge functions, but
        // the existing data is always undefined, so the merge function will
        // not attempt to combine the incoming data with the existing data.
        if (context.overwrite) {
            existing = void 0;
        }
        return merge(existing, incoming, makeFieldFunctionOptions(this, 
        // Unlike options.readField for read functions, we do not fall
        // back to the current object if no foreignObjOrRef is provided,
        // because it's not clear what the current object should be for
        // merge functions: the (possibly undefined) existing object, or
        // the incoming object? If you think your merge function needs
        // to read sibling fields in order to produce a new value for
        // the current field, you might want to rethink your strategy,
        // because that's a recipe for making merge behavior sensitive
        // to the order in which fields are written into the cache.
        // However, readField(name, ref) is useful for merge functions
        // that need to deduplicate child objects and references.
        void 0, {
            typename: typename,
            fieldName: field.name.value,
            field: field,
            variables: context.variables,
        }, context, storage || Object.create(null)));
    };
    return Policies;
}());
export { Policies };
function makeFieldFunctionOptions(policies, objectOrReference, fieldSpec, context, storage) {
    var storeFieldName = policies.getStoreFieldName(fieldSpec);
    var fieldName = fieldNameFromStoreName(storeFieldName);
    var variables = fieldSpec.variables || context.variables;
    var _a = context.store, toReference = _a.toReference, canRead = _a.canRead;
    return {
        args: argsFromFieldSpecifier(fieldSpec),
        field: fieldSpec.field || null,
        fieldName: fieldName,
        storeFieldName: storeFieldName,
        variables: variables,
        isReference: isReference,
        toReference: toReference,
        storage: storage,
        cache: policies.cache,
        canRead: canRead,
        readField: function () {
            return policies.readField(normalizeReadFieldOptions(arguments, objectOrReference, variables), context);
        },
        mergeObjects: makeMergeObjectsFunction(context.store),
    };
}
export function normalizeReadFieldOptions(readFieldArgs, objectOrReference, variables) {
    var fieldNameOrOptions = readFieldArgs[0], from = readFieldArgs[1], argc = readFieldArgs.length;
    var options;
    if (typeof fieldNameOrOptions === "string") {
        options = {
            fieldName: fieldNameOrOptions,
            // Default to objectOrReference only when no second argument was
            // passed for the from parameter, not when undefined is explicitly
            // passed as the second argument.
            from: argc > 1 ? from : objectOrReference,
        };
    }
    else {
        options = __assign({}, fieldNameOrOptions);
        // Default to objectOrReference only when fieldNameOrOptions.from is
        // actually omitted, rather than just undefined.
        if (!hasOwn.call(options, "from")) {
            options.from = objectOrReference;
        }
    }
    if (globalThis.__DEV__ !== false && options.from === void 0) {
        globalThis.__DEV__ !== false && invariant.warn(7, stringifyForDisplay(Array.from(readFieldArgs)));
    }
    if (void 0 === options.variables) {
        options.variables = variables;
    }
    return options;
}
function makeMergeObjectsFunction(store) {
    return function mergeObjects(existing, incoming) {
        if (isArray(existing) || isArray(incoming)) {
            throw newInvariantError(8);
        }
        // These dynamic checks are necessary because the parameters of a
        // custom merge function can easily have the any type, so the type
        // system cannot always enforce the StoreObject | Reference parameter
        // types of options.mergeObjects.
        if (isNonNullObject(existing) && isNonNullObject(incoming)) {
            var eType = store.getFieldValue(existing, "__typename");
            var iType = store.getFieldValue(incoming, "__typename");
            var typesDiffer = eType && iType && eType !== iType;
            if (typesDiffer) {
                return incoming;
            }
            if (isReference(existing) && storeValueIsStoreObject(incoming)) {
                // Update the normalized EntityStore for the entity identified by
                // existing.__ref, preferring/overwriting any fields contributed by the
                // newer incoming StoreObject.
                store.merge(existing.__ref, incoming);
                return existing;
            }
            if (storeValueIsStoreObject(existing) && isReference(incoming)) {
                // Update the normalized EntityStore for the entity identified by
                // incoming.__ref, taking fields from the older existing object only if
                // those fields are not already present in the newer StoreObject
                // identified by incoming.__ref.
                store.merge(existing, incoming.__ref);
                return incoming;
            }
            if (storeValueIsStoreObject(existing) &&
                storeValueIsStoreObject(incoming)) {
                return __assign(__assign({}, existing), incoming);
            }
        }
        return incoming;
    };
}
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