| 1 | 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{TypeMetadata} from \"./TypeMetadata\";\r\nimport {ExposeMetadata} from \"./ExposeMetadata\";\r\nimport {ExcludeMetadata} from \"./ExcludeMetadata\";\r\nimport {TransformationType} from \"../TransformOperationExecutor\";\r\nimport {TransformMetadata} from \"./TransformMetadata\";\r\n\r\n/**\r\n * Storage all library metadata.\r\n */\r\nexport class MetadataStorage {\r\n\r\n // -------------------------------------------------------------------------\r\n // Properties\r\n // -------------------------------------------------------------------------\r\n\r\n private _typeMetadatas = new Map<Function, Map<string, TypeMetadata>>();\r\n private _transformMetadatas = new Map<Function, Map<string, TransformMetadata[]>>();\r\n private _exposeMetadatas = new Map<Function, Map<string, ExposeMetadata>>();\r\n private _excludeMetadatas = new Map<Function, Map<string, ExcludeMetadata>>();\r\n private _ancestorsMap = new Map<Function, Function[]>();\r\n\r\n // -------------------------------------------------------------------------\r\n // Adder Methods\r\n // -------------------------------------------------------------------------\r\n\r\n addTypeMetadata(metadata: TypeMetadata) {\r\n if (!this._typeMetadatas.has(metadata.target)) {\r\n this._typeMetadatas.set(metadata.target, new Map<string, TypeMetadata>());\r\n }\r\n this._typeMetadatas.get(metadata.target).set(metadata.propertyName, metadata);\r\n }\r\n\r\n addTransformMetadata(metadata: TransformMetadata) {\r\n if (!this._transformMetadatas.has(metadata.target)) {\r\n this._transformMetadatas.set(metadata.target, new Map<string, TransformMetadata[]>());\r\n }\r\n if (!this._transformMetadatas.get(metadata.target).has(metadata.propertyName)) {\r\n this._transformMetadatas.get(metadata.target).set(metadata.propertyName, []);\r\n }\r\n this._transformMetadatas.get(metadata.target).get(metadata.propertyName).push(metadata);\r\n }\r\n\r\n addExposeMetadata(metadata: ExposeMetadata) {\r\n if (!this._exposeMetadatas.has(metadata.target)) {\r\n this._exposeMetadatas.set(metadata.target, new Map<string, ExposeMetadata>());\r\n }\r\n this._exposeMetadatas.get(metadata.target).set(metadata.propertyName, metadata);\r\n }\r\n\r\n addExcludeMetadata(metadata: ExcludeMetadata) {\r\n if (!this._excludeMetadatas.has(metadata.target)) {\r\n this._excludeMetadatas.set(metadata.target, new Map<string, ExcludeMetadata>());\r\n }\r\n this._excludeMetadatas.get(metadata.target).set(metadata.propertyName, metadata);\r\n }\r\n\r\n // -------------------------------------------------------------------------\r\n // Public Methods\r\n // -------------------------------------------------------------------------\r\n\r\n findTransformMetadatas(target: Function, propertyName: string, transformationType: TransformationType): TransformMetadata[] {\r\n return this.findMetadatas(this._transformMetadatas, target, propertyName)\r\n .filter(metadata => {\r\n if (!metadata.options)\r\n return true;\r\n if (metadata.options.toClassOnly === true && metadata.options.toPlainOnly === true)\r\n return true;\r\n\r\n if (metadata.options.toClassOnly === true) {\r\n return transformationType === TransformationType.CLASS_TO_CLASS || transformationType === TransformationType.PLAIN_TO_CLASS;\r\n }\r\n if (metadata.options.toPlainOnly === true) {\r\n return transformationType === TransformationType.CLASS_TO_PLAIN;\r\n }\r\n\r\n return true;\r\n });\r\n }\r\n\r\n findExcludeMetadata(target: Function, propertyName: string): ExcludeMetadata {\r\n return this.findMetadata(this._excludeMetadatas, target, propertyName);\r\n }\r\n\r\n findExposeMetadata(target: Function, propertyName: string): ExposeMetadata {\r\n return this.findMetadata(this._exposeMetadatas, target, propertyName);\r\n }\r\n\r\n findExposeMetadataByCustomName(target: Function, name: string): ExposeMetadata {\r\n return this.getExposedMetadatas(target).find(metadata => {\r\n return metadata.options && metadata.options.name === name;\r\n });\r\n }\r\n\r\n findTypeMetadata(target: Function, propertyName: string) {\r\n return this.findMetadata(this._typeMetadatas, target, propertyName);\r\n }\r\n\r\n getStrategy(target: Function): \"excludeAll\"|\"exposeAll\"|\"none\" {\r\n const excludeMap = this._excludeMetadatas.get(target);\r\n const exclude = excludeMap && excludeMap.get(undefined);\r\n const exposeMap = this._exposeMetadatas.get(target);\r\n const expose = exposeMap && exposeMap.get(undefined);\r\n if ((exclude && expose) || (!exclude && !expose)) return \"none\";\r\n return exclude ? \"excludeAll\" : \"exposeAll\";\r\n }\r\n\r\n getExposedMetadatas(target: Function): ExposeMetadata[] {\r\n return this.getMetadata(this._exposeMetadatas, target);\r\n }\r\n\r\n getExcludedMetadatas(target: Function): ExcludeMetadata[] {\r\n return this.getMetadata(this._excludeMetadatas, target);\r\n }\r\n\r\n getExposedProperties(target: Function, transformationType: TransformationType): string[] {\r\n return this.getExposedMetadatas(target)\r\n .filter(metadata => {\r\n if (!metadata.options)\r\n return true;\r\n if (metadata.options.toClassOnly === true && metadata.options.toPlainOnly === true)\r\n return true;\r\n\r\n if (metadata.options.toClassOnly === true) {\r\n return transformationType === TransformationType.CLASS_TO_CLASS || transformationType === TransformationType.PLAIN_TO_CLASS;\r\n }\r\n if (metadata.options.toPlainOnly === true) {\r\n return transformationType === TransformationType.CLASS_TO_PLAIN;\r\n }\r\n\r\n return true;\r\n })\r\n .map(metadata => metadata.propertyName);\r\n }\r\n\r\n getExcludedProperties(target: Function, transformationType: TransformationType): string[] {\r\n return this.getExcludedMetadatas(target)\r\n .filter(metadata => {\r\n if (!metadata.options)\r\n return true;\r\n if (metadata.options.toClassOnly === true && metadata.options.toPlainOnly === true)\r\n return true;\r\n\r\n if (metadata.options.toClassOnly === true) {\r\n return transformationType === TransformationType.CLASS_TO_CLASS || transformationType === TransformationType.PLAIN_TO_CLASS;\r\n }\r\n if (metadata.options.toPlainOnly === true) {\r\n return transformationType === TransformationType.CLASS_TO_PLAIN;\r\n }\r\n\r\n return true;\r\n })\r\n .map(metadata => metadata.propertyName);\r\n }\r\n\r\n clear() {\r\n this._typeMetadatas.clear();\r\n this._exposeMetadatas.clear();\r\n this._excludeMetadatas.clear();\r\n this._ancestorsMap.clear();\r\n }\r\n\r\n // -------------------------------------------------------------------------\r\n // Private Methods\r\n // -------------------------------------------------------------------------\r\n\r\n private getMetadata<T extends { target: Function, propertyName: string }>(metadatas: Map<Function, Map<String, T>>, target: Function): T[] {\r\n const metadataFromTargetMap = metadatas.get(target);\r\n let metadataFromTarget: T[];\r\n if (metadataFromTargetMap) {\r\n metadataFromTarget = Array.from(metadataFromTargetMap.values()).filter(meta => meta.propertyName !== undefined);\r\n }\r\n let metadataFromAncestors: T[] = [];\r\n for (const ancestor of this.getAncestors(target)) {\r\n const ancestorMetadataMap = metadatas.get(ancestor);\r\n if (ancestorMetadataMap) {\r\n const metadataFromAncestor = Array.from(ancestorMetadataMap.values()).filter(meta => meta.propertyName !== undefined);\r\n metadataFromAncestors.push(...metadataFromAncestor);\r\n }\r\n } \r\n return metadataFromAncestors.concat(metadataFromTarget || []);\r\n }\r\n\r\n private findMetadata<T extends { target: Function, propertyName: string }>(metadatas: Map<Function, Map<string, T>>, target: Function, propertyName: string): T {\r\n const metadataFromTargetMap = metadatas.get(target);\r\n if (metadataFromTargetMap) {\r\n const metadataFromTarget = metadataFromTargetMap.get(propertyName); \r\n if (metadataFromTarget) {\r\n return metadataFromTarget;\r\n }\r\n }\r\n for (const ancestor of this.getAncestors(target)) {\r\n const ancestorMetadataMap = metadatas.get(ancestor);\r\n if (ancestorMetadataMap) {\r\n const ancestorResult = ancestorMetadataMap.get(propertyName);\r\n if (ancestorResult) {\r\n return ancestorResult;\r\n }\r\n }\r\n }\r\n return undefined;\r\n }\r\n\r\n private findMetadatas<T extends { target: Function, propertyName: string }>(metadatas: Map<Function, Map<string, T[]>>, target: Function, propertyName: string): T[] {\r\n const metadataFromTargetMap = metadatas.get(target);\r\n let metadataFromTarget: T[];\r\n if (metadataFromTargetMap) {\r\n metadataFromTarget = metadataFromTargetMap.get(propertyName); \r\n }\r\n let metadataFromAncestorsTarget: T[] = [];\r\n for (const ancestor of this.getAncestors(target)) {\r\n const ancestorMetadataMap = metadatas.get(ancestor);\r\n if (ancestorMetadataMap) {\r\n if (ancestorMetadataMap.has(propertyName)) {\r\n metadataFromAncestorsTarget.push(...ancestorMetadataMap.get(propertyName));\r\n }\r\n }\r\n }\r\n return (metadataFromAncestorsTarget).reverse().concat((metadataFromTarget || []).reverse());\r\n }\r\n\r\n private getAncestors(target: Function): Function[] {\r\n if (!target) return [];\r\n if (!this._ancestorsMap.has(target)) {\r\n let ancestors: Function[] = [];\r\n for (let baseClass = Object.getPrototypeOf(target.prototype.constructor);\r\n typeof baseClass.prototype !== \"undefined\";\r\n baseClass = Object.getPrototypeOf(baseClass.prototype.constructor)) {\r\n ancestors.push(baseClass);\r\n }\r\n this._ancestorsMap.set(target, ancestors);\r\n }\r\n return this._ancestorsMap.get(target);\r\n }\r\n}\r\n"],"sourceRoot":".."} |