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An additional grant\n * of patent rights can be found in the PATENTS file in the same directory.\n */\n\n/* @flow */\n\nimport { Utils } from \"../singletons.js\";\nimport { Value } from \"../values/index.js\";\nimport type { SupportedGraphQLGetters, ShapeInformationInterface } from \"../types.js\";\n\ntype ECMAScriptType =\n | \"void\"\n | \"null\"\n | \"boolean\"\n | \"string\"\n | \"symbol\"\n | \"number\"\n | \"object\"\n | \"array\"\n | \"function\"\n | \"integral\";\n\ntype ShapeDescriptorCommon = {\n jsType: ECMAScriptType,\n graphQLType?: string,\n};\n\ntype ShapePropertyDescriptor = {\n shape: ShapeDescriptor,\n optional: boolean,\n};\n\ntype ShapeDescriptorOfObject = ShapeDescriptorCommon & {\n kind: \"object\",\n properties: { [string]: void | ShapePropertyDescriptor },\n};\n\ntype ShapeDescriptorOfArray = ShapeDescriptorCommon & {\n kind: \"array\",\n elementShape: void | ShapePropertyDescriptor,\n};\n\ntype ShapeDescriptorOfLink = ShapeDescriptorCommon & {\n kind: \"link\",\n shapeName: string,\n};\n\ntype ShapeDescriptorOfPrimitive = ShapeDescriptorCommon & {\n kind: \"scalar\",\n};\n\ntype ShapeDescriptorOfEnum = ShapeDescriptorCommon & {\n kind: \"enum\",\n};\n\nexport type ShapeDescriptorNonLink =\n | ShapeDescriptorOfObject\n | ShapeDescriptorOfArray\n | ShapeDescriptorOfPrimitive\n | ShapeDescriptorOfEnum;\n\nexport type ShapeDescriptor = ShapeDescriptorNonLink | ShapeDescriptorOfLink;\n\nexport type ShapeUniverse = { [string]: ShapeDescriptor };\n\nexport type ArgModel = {\n universe: ShapeUniverse,\n arguments: { [string]: string },\n};\n\nexport type ComponentModel = {\n universe: ShapeUniverse,\n component: { props: string },\n};\n\nexport class ShapeInformation implements ShapeInformationInterface {\n constructor(\n descriptor: ShapeDescriptorNonLink,\n parentDescriptor: void | ShapeDescriptorNonLink,\n parentKey: void | string,\n universe: ShapeUniverse\n ) {\n this._descriptor = descriptor;\n this._parentDescriptor = parentDescriptor;\n this._parentKey = parentKey;\n this._universe = universe;\n }\n\n _descriptor: ShapeDescriptorNonLink;\n _parentDescriptor: void | ShapeDescriptorNonLink;\n _parentKey: void | string;\n _universe: ShapeUniverse;\n\n getGetter(): void | SupportedGraphQLGetters {\n // we want getter only for existing GraphQL objects\n return this._parentDescriptor !== undefined &&\n this._parentDescriptor.graphQLType !== undefined &&\n this._parentDescriptor.kind === \"object\"\n ? this._getAssociatedGetter()\n : undefined;\n }\n\n getAbstractType(): typeof Value {\n // we assume that value is not optional if it root\n if (this._isOptional() || this._descriptor.jsType === \"void\" || this._descriptor.jsType === \"null\") {\n return Value;\n }\n return Utils.getTypeFromName(this._descriptor.jsType) || Value;\n }\n\n getPropertyShape(key: string): void | ShapeInformation {\n let property = this._getInformationForProperty(key);\n return property !== undefined\n ? ShapeInformation._resolveLinksAndWrap(property.shape, this._descriptor, key, this._universe)\n : undefined;\n }\n\n static createForArgument(model: void | ArgModel, argname: string): void | ShapeInformation {\n return model !== undefined\n ? ShapeInformation._resolveLinksAndWrap(\n model.universe[model.arguments[argname]],\n undefined,\n undefined,\n model.universe\n )\n : undefined;\n }\n\n static createForReactComponentProps(model: void | ComponentModel): void | ShapeInformation {\n return model !== undefined\n ? ShapeInformation._resolveLinksAndWrap(\n model.universe[model.component.props],\n undefined,\n undefined,\n model.universe\n )\n : undefined;\n }\n\n _isOptional(): void | boolean {\n if (this._parentDescriptor === undefined) {\n return undefined;\n }\n switch (this._parentDescriptor.kind) {\n case \"object\":\n return this._parentKey !== undefined && this._parentDescriptor.properties[this._parentKey] !== undefined\n ? this._parentDescriptor.properties[this._parentKey].optional\n : undefined;\n case \"array\":\n return this._parentDescriptor.elementShape !== undefined\n ? this._parentDescriptor.elementShape.optional\n : undefined;\n default:\n return undefined;\n }\n }\n\n _getInformationForProperty(key: string): void | ShapePropertyDescriptor {\n switch (this._descriptor.kind) {\n case \"object\":\n return this._descriptor.properties[key];\n case \"array\":\n switch (key) {\n case \"length\":\n return ShapeInformation._arrayLengthProperty;\n case \"prototype\":\n return undefined;\n default:\n return this._descriptor.elementShape;\n }\n default:\n // it is still legal to do member access on primitive value\n // such as string\n return undefined;\n }\n }\n\n _getAssociatedGetter(): void | SupportedGraphQLGetters {\n switch (this._descriptor.kind) {\n case \"object\":\n return \"tree\";\n case \"array\":\n let elementShape =\n this._descriptor.elementShape !== undefined ? this._descriptor.elementShape.shape : undefined;\n let innerShape = ShapeInformation._resolveLinksAndWrap(\n elementShape,\n this._descriptor,\n undefined,\n this._universe\n );\n if (innerShape === undefined) {\n return undefined;\n }\n switch (innerShape._getAssociatedGetter()) {\n case \"bool\":\n return \"bool_list\";\n case \"double\":\n return \"double_list\";\n case \"int\":\n return \"int_list\";\n case \"time\":\n return \"time_list\";\n case \"string\":\n return \"string_list\";\n case \"tree\":\n return \"tree_list\";\n // no support for nested arrays yet\n default:\n return undefined;\n }\n case \"scalar\":\n switch (this._descriptor.graphQLType) {\n case \"Color\":\n case \"File\":\n case \"ID\":\n case \"String\":\n case \"Url\":\n return \"string\";\n case \"Int\":\n case \"Time\":\n return \"int\";\n case \"Float\":\n return \"double\";\n case \"Boolean\":\n return \"bool\";\n default:\n return undefined;\n }\n case \"enum\":\n return \"string\";\n default:\n return undefined;\n }\n }\n\n static _resolveLinksAndWrap(\n descriptor: void | ShapeDescriptor,\n parentDescription: void | ShapeDescriptorNonLink,\n parentKey: void | string,\n universe: ShapeUniverse\n ): void | ShapeInformation {\n while (descriptor && descriptor.kind === \"link\") {\n descriptor = universe[descriptor.shapeName];\n }\n return descriptor !== undefined\n ? new ShapeInformation(descriptor, parentDescription, parentKey, universe)\n : undefined;\n }\n\n static _arrayLengthProperty = {\n shape: {\n kind: \"scalar\",\n jsType: \"integral\",\n },\n optional: false,\n };\n}\n"],"file":"ShapeInformation.js"} |