@dipscope/type-manager/dist/es2015/serializer-context.js

Transform JSON strings or plain objects into JS class instances.

export class SerializerContext {
    constructor($, referenceMap, referenceCallbackMap, parentSerializerContext, jsonPathKey, typeState, genericMetadatas, propertyState, referenceValueSetter) {
        this.$ = $;
        this.referenceMap = referenceMap,
            this.referenceCallbackMap = referenceCallbackMap;
        this.parentSerializerContext = parentSerializerContext;
        this.jsonPathKey = jsonPathKey;
        this.typeState = typeState;
        this.genericMetadatas = genericMetadatas;
        this.propertyState = propertyState;
        this.referenceValueSetter = referenceValueSetter;
        return;
    }
    get jsonPath() {
        const jsonPathKey = this.jsonPathKey;
        const parentSerializerContext = this.parentSerializerContext;
        if (parentSerializerContext === undefined) {
            return `${jsonPathKey}`;
        }
        if (typeof jsonPathKey === 'number') {
            return `${parentSerializerContext.jsonPath}[${jsonPathKey}]`;
        }
        return `${parentSerializerContext.jsonPath}['${jsonPathKey}']`;
    }
    get serializedNullValue() {
        if (this.preserveNull) {
            return null;
        }
        return this.serializedDefaultValue;
    }
    get serializedDefaultValue() {
        var _a, _b;
        if (this.useDefaultValue) {
            return (_b = (_a = this.propertyState) === null || _a === void 0 ? void 0 : _a.serializedDefaultValueResolver()) !== null && _b !== void 0 ? _b : this.typeState.serializedDefaultValueResolver();
        }
        return undefined;
    }
    get deserializedNullValue() {
        if (this.preserveNull) {
            return null;
        }
        return this.deserializedDefaultValue;
    }
    get deserializedDefaultValue() {
        var _a, _b;
        if (this.useDefaultValue) {
            return (_b = (_a = this.propertyState) === null || _a === void 0 ? void 0 : _a.deserializedDefaultValueResolver()) !== null && _b !== void 0 ? _b : this.typeState.deserializedDefaultValueResolver();
        }
        return undefined;
    }
    get discriminant() {
        return this.typeState.discriminant;
    }
    get discriminator() {
        return this.typeState.discriminator;
    }
    get factory() {
        return this.typeState.factory;
    }
    get injector() {
        return this.typeState.injector;
    }
    get logger() {
        return this.typeState.logger;
    }
    get polymorphic() {
        return this.typeState.polymorphic;
    }
    get preserveDiscriminator() {
        return this.typeState.preserveDiscriminator;
    }
    get referenceHandler() {
        var _a, _b;
        return (_b = (_a = this.propertyState) === null || _a === void 0 ? void 0 : _a.referenceHandler) !== null && _b !== void 0 ? _b : this.typeState.referenceHandler;
    }
    get serializer() {
        var _a, _b;
        return (_b = (_a = this.propertyState) === null || _a === void 0 ? void 0 : _a.serializer) !== null && _b !== void 0 ? _b : this.typeState.serializer;
    }
    get typeMetadata() {
        return this.typeState.typeMetadata;
    }
    get preserveNull() {
        var _a, _b;
        return (_b = (_a = this.propertyState) === null || _a === void 0 ? void 0 : _a.preserveNull) !== null && _b !== void 0 ? _b : this.typeState.preserveNull;
    }
    get useDefaultValue() {
        var _a, _b;
        return (_b = (_a = this.propertyState) === null || _a === void 0 ? void 0 : _a.useDefaultValue) !== null && _b !== void 0 ? _b : this.typeState.useDefaultValue;
    }
    get useImplicitConversion() {
        var _a, _b;
        return (_b = (_a = this.propertyState) === null || _a === void 0 ? void 0 : _a.useImplicitConversion) !== null && _b !== void 0 ? _b : this.typeState.useImplicitConversion;
    }
    serialize(x) {
        return this.serializer.serialize(x, this);
    }
    deserialize(x) {
        return this.serializer.deserialize(x, this);
    }
    defineReference(referenceKey, referenceValueGetter) {
        return this.referenceHandler.define(this, referenceKey, referenceValueGetter);
    }
    restoreReference(referenceKey, referenceValueGetter) {
        return this.referenceHandler.restore(this, referenceKey, referenceValueGetter);
    }
    registerReferenceCallback(referenceKey) {
        const referenceValueSetter = this.referenceValueSetter;
        if (referenceValueSetter === undefined) {
            return;
        }
        const jsonPathKey = this.jsonPathKey;
        this.pushReferenceCallback(referenceKey, () => {
            const referenceValue = this.referenceMap.get(referenceKey);
            referenceValueSetter(referenceValue, jsonPathKey);
        });
        return;
    }
    pushReferenceCallback(referenceKey, referenceCallback) {
        let referenceCallbacks = this.referenceCallbackMap.get(referenceKey);
        if (referenceCallbacks === undefined) {
            referenceCallbacks = new Array();
            this.referenceCallbackMap.set(referenceKey, referenceCallbacks);
        }
        referenceCallbacks.push(referenceCallback);
        return;
    }
    resolveReferenceCallbacks(referenceKey) {
        const referenceCallbacks = this.referenceCallbackMap.get(referenceKey);
        if (referenceCallbacks === undefined) {
            return;
        }
        for (let i = 0; i < referenceCallbacks.length; i++) {
            referenceCallbacks[i]();
        }
        return;
    }
    defineChildSerializerContext() {
        return new SerializerContext(this.$, this.referenceMap, this.referenceCallbackMap, this, this.jsonPathKey, this.typeState, this.genericMetadatas, this.propertyState, this.referenceValueSetter);
    }
    defineGenericSerializerContext(genericIndex) {
        const genericMetadata = this.genericMetadatas[genericIndex];
        if (genericMetadata === undefined) {
            throw new Error(`${this.jsonPath}: cannot define generic metadata for index ${genericIndex}. This is usually caused by invalid configuration.`);
        }
        const typeMetadata = genericMetadata[0];
        const genericMetadatas = genericMetadata[1];
        return new SerializerContext(this.$, this.referenceMap, this.referenceCallbackMap, this.parentSerializerContext, this.jsonPath, typeMetadata.typeState, genericMetadatas, undefined, this.referenceValueSetter);
    }
    definePolymorphicSerializerContext(x) {
        if (typeof x === 'function') {
            return this.definePolymorphicSerializerContextByTypeFn(x);
        }
        return this.definePolymorphicSerializerContextByDiscriminant(x);
    }
    definePolymorphicSerializerContextByTypeFn(x) {
        const typeFn = x;
        const typeMetadata = this.typeState.typeMetadataMap.get(typeFn);
        if (typeMetadata === undefined) {
            throw new Error(`${this.jsonPath}: cannot define discriminant of polymorphic type. This is usually caused by invalid configuration.`);
        }
        return new SerializerContext(this.$, this.referenceMap, this.referenceCallbackMap, this.parentSerializerContext, this.jsonPathKey, typeMetadata.typeState, this.genericMetadatas, this.propertyState, this.referenceValueSetter);
    }
    definePolymorphicSerializerContextByDiscriminant(x) {
        const record = x;
        const childTypeMetadatas = this.typeState.childTypeMetadatas;
        for (let i = 0; i < childTypeMetadatas.length; i++) {
            const childTypeState = childTypeMetadatas[i].typeState;
            if (record[childTypeState.discriminator] === childTypeState.discriminant) {
                return new SerializerContext(this.$, this.referenceMap, this.referenceCallbackMap, this.parentSerializerContext, this.jsonPathKey, childTypeState, this.genericMetadatas, this.propertyState, this.referenceValueSetter);
            }
        }
        throw new Error(`${this.jsonPath}: cannot define discriminant of polymorphic type. This is usually caused by invalid configuration.`);
    }
}
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