1 | import path from "path";
|
2 |
|
3 | import {
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4 | GraphQLError,
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5 | GraphQLType,
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6 | getNamedType,
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7 | isCompositeType,
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8 | GraphQLEnumType,
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9 | GraphQLInputObjectType,
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10 | isNonNullType,
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11 | isListType,
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12 | isEnumType,
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13 | isInputObjectType,
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14 | } from "graphql";
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15 |
|
16 | import {
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17 | CompilerContext,
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18 | Operation,
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19 | Fragment,
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20 | SelectionSet,
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21 | Field,
|
22 | } from "apollo-codegen-core/lib/compiler";
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23 |
|
24 | import {
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25 | SwiftGenerator,
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26 | Property,
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27 | Struct,
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28 | SwiftSource,
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29 | swift,
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30 | } from "./language";
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31 | import { Helpers } from "./helpers";
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32 | import { isList } from "apollo-codegen-core/lib/utilities/graphql";
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33 |
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34 | import {
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35 | typeCaseForSelectionSet,
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36 | TypeCase,
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37 | Variant,
|
38 | } from "apollo-codegen-core/lib/compiler/visitors/typeCase";
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39 | import { collectFragmentsReferenced } from "apollo-codegen-core/lib/compiler/visitors/collectFragmentsReferenced";
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40 | import { generateOperationId } from "apollo-codegen-core/lib/compiler/visitors/generateOperationId";
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41 | import { collectAndMergeFields } from "apollo-codegen-core/lib/compiler/visitors/collectAndMergeFields";
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42 |
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43 | import "apollo-codegen-core/lib/utilities/array";
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44 |
|
45 | const { join, wrap } = SwiftSource;
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46 |
|
47 | export interface Options {
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48 | namespace?: string;
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49 | passthroughCustomScalars?: boolean;
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50 | customScalarsPrefix?: string;
|
51 | }
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52 |
|
53 |
|
54 |
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55 |
|
56 |
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57 |
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58 |
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59 |
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60 |
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61 |
|
62 | export function generateSource(
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63 | context: CompilerContext,
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64 | outputIndividualFiles: boolean,
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65 | suppressMultilineStringLiterals: boolean,
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66 | only?: string
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67 | ): SwiftAPIGenerator {
|
68 | const generator = new SwiftAPIGenerator(context);
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69 |
|
70 | if (outputIndividualFiles) {
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71 | generator.withinFile(`Types.graphql.swift`, () => {
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72 | generator.fileHeader();
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73 |
|
74 | generator.namespaceDeclaration(context.options.namespace, () => {
|
75 | context.typesUsed.forEach((type) => {
|
76 | generator.typeDeclarationForGraphQLType(type, true);
|
77 | });
|
78 | });
|
79 | });
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80 |
|
81 | const inputFilePaths = new Set<string>();
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82 |
|
83 | Object.values(context.operations).forEach((operation) => {
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84 | inputFilePaths.add(operation.filePath);
|
85 | });
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86 |
|
87 | Object.values(context.fragments).forEach((fragment) => {
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88 | inputFilePaths.add(fragment.filePath);
|
89 | });
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90 |
|
91 | for (const inputFilePath of inputFilePaths) {
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92 | if (only && inputFilePath !== only) continue;
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93 |
|
94 | generator.withinFile(`${path.basename(inputFilePath)}.swift`, () => {
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95 | generator.fileHeader();
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96 |
|
97 | generator.namespaceExtensionDeclaration(
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98 | context.options.namespace,
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99 | () => {
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100 | Object.values(context.operations).forEach((operation) => {
|
101 | if (operation.filePath === inputFilePath) {
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102 | generator.classDeclarationForOperation(
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103 | operation,
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104 | true,
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105 | suppressMultilineStringLiterals
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106 | );
|
107 | }
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108 | });
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109 |
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110 | Object.values(context.fragments).forEach((fragment) => {
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111 | if (fragment.filePath === inputFilePath) {
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112 | generator.structDeclarationForFragment(
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113 | fragment,
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114 | true,
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115 | suppressMultilineStringLiterals
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116 | );
|
117 | }
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118 | });
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119 | }
|
120 | );
|
121 | });
|
122 | }
|
123 | } else {
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124 | generator.fileHeader();
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125 |
|
126 | generator.namespaceDeclaration(context.options.namespace, () => {
|
127 | context.typesUsed.forEach((type) => {
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128 | generator.typeDeclarationForGraphQLType(type, false);
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129 | });
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130 |
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131 | Object.values(context.operations).forEach((operation) => {
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132 | generator.classDeclarationForOperation(
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133 | operation,
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134 | false,
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135 | suppressMultilineStringLiterals
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136 | );
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137 | });
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138 |
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139 | Object.values(context.fragments).forEach((fragment) => {
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140 | generator.structDeclarationForFragment(
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141 | fragment,
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142 | false,
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143 | suppressMultilineStringLiterals
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144 | );
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145 | });
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146 | });
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147 | }
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148 |
|
149 | return generator;
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150 | }
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151 |
|
152 | export class SwiftAPIGenerator extends SwiftGenerator<CompilerContext> {
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153 | helpers: Helpers;
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154 |
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155 | constructor(context: CompilerContext) {
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156 | super(context);
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157 |
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158 | this.helpers = new Helpers(context.options);
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159 | }
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160 |
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161 | fileHeader() {
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162 | this.printOnNewline(SwiftSource.raw`// @generated`);
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163 | this.printOnNewline(
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164 | SwiftSource.raw`// This file was automatically generated and should not be edited.`
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165 | );
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166 | this.printNewline();
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167 | this.printOnNewline(swift`import Apollo`);
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168 | this.printOnNewline(swift`import Foundation`);
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169 | }
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170 |
|
171 | |
172 |
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173 |
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174 |
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175 |
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176 |
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177 |
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178 | classDeclarationForOperation(
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179 | operation: Operation,
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180 | outputIndividualFiles: boolean,
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181 | suppressMultilineStringLiterals: boolean
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182 | ) {
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183 | const { operationName, operationType, variables, source, selectionSet } =
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184 | operation;
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185 |
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186 | let className;
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187 | let protocol;
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188 |
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189 | switch (operationType) {
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190 | case "query":
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191 | className = `${this.helpers.operationClassName(operationName)}Query`;
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192 | protocol = "GraphQLQuery";
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193 | break;
|
194 | case "mutation":
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195 | className = `${this.helpers.operationClassName(operationName)}Mutation`;
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196 | protocol = "GraphQLMutation";
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197 | break;
|
198 | case "subscription":
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199 | className = `${this.helpers.operationClassName(
|
200 | operationName
|
201 | )}Subscription`;
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202 | protocol = "GraphQLSubscription";
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203 | break;
|
204 | default:
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205 | throw new GraphQLError(`Unsupported operation type "${operationType}"`);
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206 | }
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207 |
|
208 | const {
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209 | options: { namespace },
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210 | fragments,
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211 | } = this.context;
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212 | const isRedundant = !!namespace && outputIndividualFiles;
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213 | const modifiers = isRedundant ? ["final"] : ["public", "final"];
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214 |
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215 | this.classDeclaration(
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216 | {
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217 | className,
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218 | modifiers,
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219 | adoptedProtocols: [protocol],
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220 | },
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221 | () => {
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222 | if (source) {
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223 | this.comment("The raw GraphQL definition of this operation.");
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224 | this.printOnNewline(swift`public let operationDefinition: String =`);
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225 | this.withIndent(() => {
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226 | this.multilineString(source, suppressMultilineStringLiterals);
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227 | });
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228 | }
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229 |
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230 | this.printNewlineIfNeeded();
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231 | this.printOnNewline(
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232 | swift`public let operationName: String = ${SwiftSource.string(
|
233 | operationName
|
234 | )}`
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235 | );
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236 |
|
237 | const fragmentsReferenced = collectFragmentsReferenced(
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238 | operation.selectionSet,
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239 | fragments
|
240 | );
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241 |
|
242 | if (this.context.options.generateOperationIds) {
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243 | const { operationId, sourceWithFragments } = generateOperationId(
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244 | operation,
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245 | fragments,
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246 | fragmentsReferenced
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247 | );
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248 | operation.operationId = operationId;
|
249 | operation.sourceWithFragments = sourceWithFragments;
|
250 | this.printNewlineIfNeeded();
|
251 | this.printOnNewline(
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252 | swift`public let operationIdentifier: String? = ${SwiftSource.string(
|
253 | operationId
|
254 | )}`
|
255 | );
|
256 | }
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257 |
|
258 | if (fragmentsReferenced.size > 0) {
|
259 | this.printNewlineIfNeeded();
|
260 | this.printOnNewline(swift`public var queryDocument: String`);
|
261 | this.withinBlock(() => {
|
262 | this.printOnNewline(
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263 | swift`var document: String = operationDefinition`
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264 | );
|
265 | fragmentsReferenced.forEach((fragmentName) => {
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266 | this.printOnNewline(
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267 | swift`document.append("\\n" + ${this.helpers.structNameForFragmentName(
|
268 | fragmentName
|
269 | )}.fragmentDefinition)`
|
270 | );
|
271 | });
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272 | this.printOnNewline(swift`return document`);
|
273 | });
|
274 | }
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275 |
|
276 | this.printNewlineIfNeeded();
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277 |
|
278 | if (variables && variables.length > 0) {
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279 | const properties = variables.map(({ name, type }) => {
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280 | const typeName = this.helpers.typeNameFromGraphQLType(type);
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281 | const isOptional = !(
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282 | isNonNullType(type) ||
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283 | (isListType(type) && isNonNullType(type.ofType))
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284 | );
|
285 | return { name, propertyName: name, type, typeName, isOptional };
|
286 | });
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287 |
|
288 | this.propertyDeclarations(properties);
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289 |
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290 | this.printNewlineIfNeeded();
|
291 | this.initializerDeclarationForProperties(properties);
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292 |
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293 | this.printNewlineIfNeeded();
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294 | this.printOnNewline(swift`public var variables: GraphQLMap?`);
|
295 | this.withinBlock(() => {
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296 | this.printOnNewline(
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297 | wrap(
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298 | swift`return [`,
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299 | join(
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300 | properties.map(
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301 | ({ name, propertyName }) =>
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302 | swift`${SwiftSource.string(name)}: ${propertyName}`
|
303 | ),
|
304 | ", "
|
305 | ) || swift`:`,
|
306 | swift`]`
|
307 | )
|
308 | );
|
309 | });
|
310 | } else {
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311 | this.initializerDeclarationForProperties([]);
|
312 | }
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313 |
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314 | this.structDeclarationForSelectionSet(
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315 | {
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316 | structName: "Data",
|
317 | selectionSet,
|
318 | },
|
319 | outputIndividualFiles
|
320 | );
|
321 | }
|
322 | );
|
323 | }
|
324 |
|
325 | |
326 |
|
327 |
|
328 |
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329 |
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330 |
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331 |
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332 | structDeclarationForFragment(
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333 | { fragmentName, selectionSet, source }: Fragment,
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334 | outputIndividualFiles: boolean,
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335 | suppressMultilineStringLiterals: boolean
|
336 | ) {
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337 | const structName = this.helpers.structNameForFragmentName(fragmentName);
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338 |
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339 | this.structDeclarationForSelectionSet(
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340 | {
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341 | structName,
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342 | adoptedProtocols: ["GraphQLFragment"],
|
343 | selectionSet,
|
344 | },
|
345 | outputIndividualFiles,
|
346 | () => {
|
347 | if (source) {
|
348 | this.comment("The raw GraphQL definition of this fragment.");
|
349 | this.printOnNewline(
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350 | swift`public static let fragmentDefinition: String =`
|
351 | );
|
352 | this.withIndent(() => {
|
353 | this.multilineString(source, suppressMultilineStringLiterals);
|
354 | });
|
355 | }
|
356 | }
|
357 | );
|
358 | }
|
359 |
|
360 | |
361 |
|
362 |
|
363 |
|
364 |
|
365 |
|
366 |
|
367 |
|
368 | structDeclarationForSelectionSet(
|
369 | {
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370 | structName,
|
371 | adoptedProtocols = ["GraphQLSelectionSet"],
|
372 | selectionSet,
|
373 | }: {
|
374 | structName: string;
|
375 | adoptedProtocols?: string[];
|
376 | selectionSet: SelectionSet;
|
377 | },
|
378 | outputIndividualFiles: boolean,
|
379 | before?: Function
|
380 | ) {
|
381 | const typeCase = typeCaseForSelectionSet(
|
382 | selectionSet,
|
383 | !!this.context.options.mergeInFieldsFromFragmentSpreads
|
384 | );
|
385 |
|
386 | this.structDeclarationForVariant(
|
387 | {
|
388 | structName,
|
389 | adoptedProtocols,
|
390 | variant: typeCase.default,
|
391 | typeCase,
|
392 | },
|
393 | outputIndividualFiles,
|
394 | before,
|
395 | () => {
|
396 | const variants = typeCase.variants.map(
|
397 | this.helpers.propertyFromVariant,
|
398 | this.helpers
|
399 | );
|
400 |
|
401 | for (const variant of variants) {
|
402 | this.propertyDeclarationForVariant(variant);
|
403 |
|
404 | this.structDeclarationForVariant(
|
405 | {
|
406 | structName: variant.structName,
|
407 | variant,
|
408 | },
|
409 | outputIndividualFiles
|
410 | );
|
411 | }
|
412 | }
|
413 | );
|
414 | }
|
415 |
|
416 | |
417 |
|
418 |
|
419 |
|
420 |
|
421 |
|
422 |
|
423 |
|
424 |
|
425 | structDeclarationForVariant(
|
426 | {
|
427 | structName,
|
428 | adoptedProtocols = ["GraphQLSelectionSet"],
|
429 | variant,
|
430 | typeCase,
|
431 | }: {
|
432 | structName: string;
|
433 | adoptedProtocols?: string[];
|
434 | variant: Variant;
|
435 | typeCase?: TypeCase;
|
436 | },
|
437 | outputIndividualFiles: boolean,
|
438 | before?: Function,
|
439 | after?: Function
|
440 | ) {
|
441 | const {
|
442 | options: {
|
443 | namespace,
|
444 | mergeInFieldsFromFragmentSpreads,
|
445 | omitDeprecatedEnumCases,
|
446 | },
|
447 | } = this.context;
|
448 |
|
449 | this.structDeclaration(
|
450 | { structName, adoptedProtocols, namespace },
|
451 | outputIndividualFiles,
|
452 | () => {
|
453 | if (before) {
|
454 | before();
|
455 | }
|
456 |
|
457 | this.printNewlineIfNeeded();
|
458 | this.printOnNewline(
|
459 | swift`public static let possibleTypes: [String] = [`
|
460 | );
|
461 | this.print(
|
462 | join(
|
463 | variant.possibleTypes.map(
|
464 | (type) => swift`${SwiftSource.string(type.name)}`
|
465 | ),
|
466 | ", "
|
467 | )
|
468 | );
|
469 | this.print(swift`]`);
|
470 |
|
471 | this.printNewlineIfNeeded();
|
472 | this.printOnNewline(
|
473 | swift`public static var selections: [GraphQLSelection] {`
|
474 | );
|
475 | this.withIndent(() => {
|
476 | this.printOnNewline(swift`return `);
|
477 | if (typeCase) {
|
478 | this.typeCaseInitialization(typeCase);
|
479 | } else {
|
480 | this.selectionSetInitialization(variant);
|
481 | }
|
482 | });
|
483 | this.printOnNewline(swift`}`);
|
484 | this.printNewlineIfNeeded();
|
485 |
|
486 | this.printOnNewline(
|
487 | swift`public private(set) var resultMap: ResultMap`
|
488 | );
|
489 |
|
490 | this.printNewlineIfNeeded();
|
491 | this.printOnNewline(swift`public init(unsafeResultMap: ResultMap)`);
|
492 | this.withinBlock(() => {
|
493 | this.printOnNewline(swift`self.resultMap = unsafeResultMap`);
|
494 | });
|
495 |
|
496 | if (typeCase) {
|
497 | this.initializersForTypeCase(typeCase);
|
498 | } else {
|
499 | this.initializersForVariant(variant);
|
500 | }
|
501 |
|
502 | const fields = collectAndMergeFields(
|
503 | variant,
|
504 | !!mergeInFieldsFromFragmentSpreads
|
505 | ).map((field) => this.helpers.propertyFromField(field as Field));
|
506 |
|
507 | const fragmentSpreads = variant.fragmentSpreads.map(
|
508 | (fragmentSpread) => {
|
509 | const isConditional = variant.possibleTypes.some(
|
510 | (type) =>
|
511 | !fragmentSpread.selectionSet.possibleTypes.includes(type)
|
512 | );
|
513 |
|
514 | return this.helpers.propertyFromFragmentSpread(
|
515 | fragmentSpread,
|
516 | isConditional
|
517 | );
|
518 | }
|
519 | );
|
520 |
|
521 | fields.forEach(this.propertyDeclarationForField, this);
|
522 |
|
523 | if (fragmentSpreads.length > 0) {
|
524 | this.printNewlineIfNeeded();
|
525 | this.printOnNewline(swift`public var fragments: Fragments`);
|
526 | this.withinBlock(() => {
|
527 | this.printOnNewline(swift`get`);
|
528 | this.withinBlock(() => {
|
529 | this.printOnNewline(
|
530 | swift`return Fragments(unsafeResultMap: resultMap)`
|
531 | );
|
532 | });
|
533 | this.printOnNewline(swift`set`);
|
534 | this.withinBlock(() => {
|
535 | this.printOnNewline(swift`resultMap += newValue.resultMap`);
|
536 | });
|
537 | });
|
538 |
|
539 | this.structDeclaration(
|
540 | {
|
541 | structName: "Fragments",
|
542 | },
|
543 | outputIndividualFiles,
|
544 | () => {
|
545 | this.printOnNewline(
|
546 | swift`public private(set) var resultMap: ResultMap`
|
547 | );
|
548 |
|
549 | this.printNewlineIfNeeded();
|
550 | this.printOnNewline(
|
551 | swift`public init(unsafeResultMap: ResultMap)`
|
552 | );
|
553 | this.withinBlock(() => {
|
554 | this.printOnNewline(swift`self.resultMap = unsafeResultMap`);
|
555 | });
|
556 |
|
557 | for (const fragmentSpread of fragmentSpreads) {
|
558 | const { propertyName, typeName, structName, isConditional } =
|
559 | fragmentSpread;
|
560 |
|
561 | this.printNewlineIfNeeded();
|
562 | this.printOnNewline(
|
563 | swift`public var ${propertyName}: ${typeName}`
|
564 | );
|
565 | this.withinBlock(() => {
|
566 | this.printOnNewline(swift`get`);
|
567 | this.withinBlock(() => {
|
568 | if (isConditional) {
|
569 | this.printOnNewline(
|
570 | swift`if !${structName}.possibleTypes.contains(resultMap["__typename"]! as! String) { return nil }`
|
571 | );
|
572 | }
|
573 | this.printOnNewline(
|
574 | swift`return ${structName}(unsafeResultMap: resultMap)`
|
575 | );
|
576 | });
|
577 | this.printOnNewline(swift`set`);
|
578 | this.withinBlock(() => {
|
579 | if (isConditional) {
|
580 | this.printOnNewline(
|
581 | swift`guard let newValue = newValue else { return }`
|
582 | );
|
583 | this.printOnNewline(
|
584 | swift`resultMap += newValue.resultMap`
|
585 | );
|
586 | } else {
|
587 | this.printOnNewline(
|
588 | swift`resultMap += newValue.resultMap`
|
589 | );
|
590 | }
|
591 | });
|
592 | });
|
593 | }
|
594 | }
|
595 | );
|
596 | }
|
597 |
|
598 | for (const field of fields) {
|
599 | if (isCompositeType(getNamedType(field.type)) && field.selectionSet) {
|
600 | this.structDeclarationForSelectionSet(
|
601 | {
|
602 | structName: field.structName,
|
603 | selectionSet: field.selectionSet,
|
604 | },
|
605 | outputIndividualFiles
|
606 | );
|
607 | }
|
608 | }
|
609 |
|
610 | if (after) {
|
611 | after();
|
612 | }
|
613 | }
|
614 | );
|
615 | }
|
616 |
|
617 | initializersForTypeCase(typeCase: TypeCase) {
|
618 | const variants = typeCase.variants;
|
619 |
|
620 | if (variants.length == 0) {
|
621 | this.initializersForVariant(typeCase.default);
|
622 | } else {
|
623 | const remainder = typeCase.remainder;
|
624 | for (const variant of remainder ? [remainder, ...variants] : variants) {
|
625 | this.initializersForVariant(
|
626 | variant,
|
627 | variant === remainder
|
628 | ? undefined
|
629 | : this.helpers.structNameForVariant(variant),
|
630 | false
|
631 | );
|
632 | }
|
633 | }
|
634 | }
|
635 |
|
636 | initializersForVariant(
|
637 | variant: Variant,
|
638 | namespace?: string,
|
639 | useInitializerIfPossible: boolean = true
|
640 | ) {
|
641 | if (useInitializerIfPossible && variant.possibleTypes.length == 1) {
|
642 | const properties = this.helpers.propertiesForSelectionSet(variant);
|
643 | if (!properties) return;
|
644 |
|
645 | this.printNewlineIfNeeded();
|
646 | this.printOnNewline(swift`public init`);
|
647 |
|
648 | this.parametersForProperties(properties);
|
649 |
|
650 | this.withinBlock(() => {
|
651 | this.printOnNewline(
|
652 | wrap(
|
653 | swift`self.init(unsafeResultMap: [`,
|
654 | join(
|
655 | [
|
656 | swift`"__typename": ${SwiftSource.string(
|
657 | variant.possibleTypes[0].toString()
|
658 | )}`,
|
659 | ...properties.map((p) =>
|
660 | this.propertyAssignmentForField(p, properties)
|
661 | ),
|
662 | ],
|
663 | ", "
|
664 | ) || swift`:`,
|
665 | swift`])`
|
666 | )
|
667 | );
|
668 | });
|
669 | } else {
|
670 | const structName = this.scope.typeName;
|
671 |
|
672 | for (const possibleType of variant.possibleTypes) {
|
673 | const properties = this.helpers.propertiesForSelectionSet(
|
674 | {
|
675 | possibleTypes: [possibleType],
|
676 | selections: variant.selections,
|
677 | },
|
678 | namespace
|
679 | );
|
680 |
|
681 | if (!properties) continue;
|
682 |
|
683 | this.printNewlineIfNeeded();
|
684 | this.printOnNewline(
|
685 | SwiftSource.raw`public static func make${possibleType}`
|
686 | );
|
687 |
|
688 | this.parametersForProperties(properties);
|
689 |
|
690 | this.print(swift` -> ${structName}`);
|
691 |
|
692 | this.withinBlock(() => {
|
693 | this.printOnNewline(
|
694 | wrap(
|
695 | swift`return ${structName}(unsafeResultMap: [`,
|
696 | join(
|
697 | [
|
698 | swift`"__typename": ${SwiftSource.string(
|
699 | possibleType.toString()
|
700 | )}`,
|
701 | ...properties.map((p) =>
|
702 | this.propertyAssignmentForField(p, properties)
|
703 | ),
|
704 | ],
|
705 | ", "
|
706 | ) || swift`:`,
|
707 | swift`])`
|
708 | )
|
709 | );
|
710 | });
|
711 | }
|
712 | }
|
713 | }
|
714 |
|
715 | propertyAssignmentForField(
|
716 | field: {
|
717 | responseKey: string;
|
718 | propertyName: string;
|
719 | type: GraphQLType;
|
720 | isConditional?: boolean;
|
721 | structName?: string;
|
722 | },
|
723 | properties: { propertyName: string }[]
|
724 | ): SwiftSource {
|
725 | const { responseKey, propertyName, type, isConditional, structName } =
|
726 | field;
|
727 | const parameterName = this.helpers.internalParameterName(
|
728 | propertyName,
|
729 | properties
|
730 | );
|
731 | const valueExpression = isCompositeType(getNamedType(type))
|
732 | ? this.helpers.mapExpressionForType(
|
733 | type,
|
734 | isConditional,
|
735 | (expression) => swift`${expression}.resultMap`,
|
736 | SwiftSource.identifier(parameterName),
|
737 | structName!,
|
738 | "ResultMap"
|
739 | )
|
740 | : SwiftSource.identifier(parameterName);
|
741 | return swift`${SwiftSource.string(responseKey)}: ${valueExpression}`;
|
742 | }
|
743 |
|
744 | propertyDeclarationForField(field: Field & Property) {
|
745 | const {
|
746 | responseKey,
|
747 | propertyName,
|
748 | typeName,
|
749 | type,
|
750 | isOptional,
|
751 | isConditional,
|
752 | } = field;
|
753 |
|
754 | const unmodifiedFieldType = getNamedType(type);
|
755 |
|
756 | this.printNewlineIfNeeded();
|
757 |
|
758 | this.comment(field.description);
|
759 | this.deprecationAttributes(field.isDeprecated, field.deprecationReason);
|
760 |
|
761 | this.printOnNewline(swift`public var ${propertyName}: ${typeName}`);
|
762 | this.withinBlock(() => {
|
763 | if (isCompositeType(unmodifiedFieldType)) {
|
764 | const structName = this.helpers.structNameForPropertyName(responseKey);
|
765 |
|
766 | if (isList(type)) {
|
767 | this.printOnNewline(swift`get`);
|
768 | this.withinBlock(() => {
|
769 | const resultMapTypeName = this.helpers.typeNameFromGraphQLType(
|
770 | type,
|
771 | "ResultMap",
|
772 | false
|
773 | );
|
774 | let expression;
|
775 | if (isOptional) {
|
776 | expression = swift`(resultMap[${SwiftSource.string(
|
777 | responseKey
|
778 | )}] as? ${resultMapTypeName})`;
|
779 | } else {
|
780 | expression = swift`(resultMap[${SwiftSource.string(
|
781 | responseKey
|
782 | )}] as! ${resultMapTypeName})`;
|
783 | }
|
784 | this.printOnNewline(
|
785 | swift`return ${this.helpers.mapExpressionForType(
|
786 | type,
|
787 | isConditional,
|
788 | (expression) =>
|
789 | swift`${structName}(unsafeResultMap: ${expression})`,
|
790 | expression,
|
791 | "ResultMap",
|
792 | structName
|
793 | )}`
|
794 | );
|
795 | });
|
796 | this.printOnNewline(swift`set`);
|
797 | this.withinBlock(() => {
|
798 | let newValueExpression = this.helpers.mapExpressionForType(
|
799 | type,
|
800 | isConditional,
|
801 | (expression) => swift`${expression}.resultMap`,
|
802 | swift`newValue`,
|
803 | structName,
|
804 | "ResultMap"
|
805 | );
|
806 | this.printOnNewline(
|
807 | swift`resultMap.updateValue(${newValueExpression}, forKey: ${SwiftSource.string(
|
808 | responseKey
|
809 | )})`
|
810 | );
|
811 | });
|
812 | } else {
|
813 | this.printOnNewline(swift`get`);
|
814 | this.withinBlock(() => {
|
815 | if (isOptional) {
|
816 | this.printOnNewline(
|
817 | swift`return (resultMap[${SwiftSource.string(
|
818 | responseKey
|
819 | )}] as? ResultMap).flatMap { ${structName}(unsafeResultMap: $0) }`
|
820 | );
|
821 | } else {
|
822 | this.printOnNewline(
|
823 | swift`return ${structName}(unsafeResultMap: resultMap[${SwiftSource.string(
|
824 | responseKey
|
825 | )}]! as! ResultMap)`
|
826 | );
|
827 | }
|
828 | });
|
829 | this.printOnNewline(swift`set`);
|
830 | this.withinBlock(() => {
|
831 | let newValueExpression;
|
832 | if (isOptional) {
|
833 | newValueExpression = "newValue?.resultMap";
|
834 | } else {
|
835 | newValueExpression = "newValue.resultMap";
|
836 | }
|
837 | this.printOnNewline(
|
838 | swift`resultMap.updateValue(${newValueExpression}, forKey: ${SwiftSource.string(
|
839 | responseKey
|
840 | )})`
|
841 | );
|
842 | });
|
843 | }
|
844 | } else {
|
845 | this.printOnNewline(swift`get`);
|
846 | this.withinBlock(() => {
|
847 | if (isOptional) {
|
848 | this.printOnNewline(
|
849 | swift`return resultMap[${SwiftSource.string(
|
850 | responseKey
|
851 | )}] as? ${typeName.slice(0, -1)}`
|
852 | );
|
853 | } else {
|
854 | this.printOnNewline(
|
855 | swift`return resultMap[${SwiftSource.string(
|
856 | responseKey
|
857 | )}]! as! ${typeName}`
|
858 | );
|
859 | }
|
860 | });
|
861 | this.printOnNewline(swift`set`);
|
862 | this.withinBlock(() => {
|
863 | this.printOnNewline(
|
864 | swift`resultMap.updateValue(newValue, forKey: ${SwiftSource.string(
|
865 | responseKey
|
866 | )})`
|
867 | );
|
868 | });
|
869 | }
|
870 | });
|
871 | }
|
872 |
|
873 | propertyDeclarationForVariant(variant: Property & Struct) {
|
874 | const { propertyName, typeName, structName } = variant;
|
875 |
|
876 | this.printNewlineIfNeeded();
|
877 | this.printOnNewline(swift`public var ${propertyName}: ${typeName}`);
|
878 | this.withinBlock(() => {
|
879 | this.printOnNewline(swift`get`);
|
880 | this.withinBlock(() => {
|
881 | this.printOnNewline(
|
882 | swift`if !${structName}.possibleTypes.contains(__typename) { return nil }`
|
883 | );
|
884 | this.printOnNewline(
|
885 | swift`return ${structName}(unsafeResultMap: resultMap)`
|
886 | );
|
887 | });
|
888 | this.printOnNewline(swift`set`);
|
889 | this.withinBlock(() => {
|
890 | this.printOnNewline(
|
891 | swift`guard let newValue = newValue else { return }`
|
892 | );
|
893 | this.printOnNewline(swift`resultMap = newValue.resultMap`);
|
894 | });
|
895 | });
|
896 | }
|
897 |
|
898 | initializerDeclarationForProperties(properties: Property[]) {
|
899 | this.printOnNewline(swift`public init`);
|
900 | this.parametersForProperties(properties);
|
901 |
|
902 | this.withinBlock(() => {
|
903 | properties.forEach(({ propertyName }) => {
|
904 | this.printOnNewline(
|
905 | swift`self.${propertyName} = ${this.helpers.internalParameterName(
|
906 | propertyName,
|
907 | properties
|
908 | )}`
|
909 | );
|
910 | });
|
911 | });
|
912 | }
|
913 |
|
914 | parametersForProperties(properties: Property[]) {
|
915 | this.print(swift`(`);
|
916 | this.print(
|
917 | join(
|
918 | properties.map(({ propertyName, typeName, isOptional }) => {
|
919 | const internalName = this.helpers.internalParameterName(
|
920 | propertyName,
|
921 | properties
|
922 | );
|
923 | const decl =
|
924 | internalName === propertyName
|
925 | ? propertyName
|
926 | : swift`${propertyName} ${internalName}`;
|
927 | return join([
|
928 | swift`${decl}: ${typeName}`,
|
929 | isOptional ? swift` = nil` : undefined,
|
930 | ]);
|
931 | }),
|
932 | ", "
|
933 | )
|
934 | );
|
935 | this.print(swift`)`);
|
936 | }
|
937 |
|
938 | typeCaseInitialization(typeCase: TypeCase) {
|
939 | if (typeCase.variants.length < 1) {
|
940 | this.selectionSetInitialization(typeCase.default);
|
941 | return;
|
942 | }
|
943 |
|
944 | this.print(swift`[`);
|
945 | this.withIndent(() => {
|
946 | this.printOnNewline(swift`GraphQLTypeCase(`);
|
947 | this.withIndent(() => {
|
948 | this.printOnNewline(swift`variants: [`);
|
949 | this.print(
|
950 | join(
|
951 | typeCase.variants.flatMap((variant) => {
|
952 | const structName = this.helpers.structNameForVariant(variant);
|
953 | return variant.possibleTypes.map(
|
954 | (type) =>
|
955 | swift`${SwiftSource.string(
|
956 | type.toString()
|
957 | )}: ${structName}.selections`
|
958 | );
|
959 | }),
|
960 | ", "
|
961 | )
|
962 | );
|
963 | this.print(swift`],`);
|
964 | this.printOnNewline(swift`default: `);
|
965 | this.selectionSetInitialization(typeCase.default);
|
966 | });
|
967 | this.printOnNewline(swift`)`);
|
968 | });
|
969 | this.printOnNewline(swift`]`);
|
970 | }
|
971 |
|
972 | selectionSetInitialization(selectionSet: SelectionSet) {
|
973 | this.print(swift`[`);
|
974 | this.withIndent(() => {
|
975 | for (const selection of selectionSet.selections) {
|
976 | switch (selection.kind) {
|
977 | case "Field": {
|
978 | const { name, alias, args, type } = selection;
|
979 | const responseKey = selection.alias || selection.name;
|
980 | const structName =
|
981 | this.helpers.structNameForPropertyName(responseKey);
|
982 |
|
983 | this.printOnNewline(swift`GraphQLField(`);
|
984 | this.print(
|
985 | join(
|
986 | [
|
987 | swift`${SwiftSource.string(name)}`,
|
988 | alias
|
989 | ? swift`alias: ${SwiftSource.string(alias)}`
|
990 | : undefined,
|
991 | args && args.length
|
992 | ? swift`arguments: ${this.helpers.dictionaryLiteralForFieldArguments(
|
993 | args
|
994 | )}`
|
995 | : undefined,
|
996 | swift`type: ${this.helpers.fieldTypeEnum(type, structName)}`,
|
997 | ],
|
998 | ", "
|
999 | )
|
1000 | );
|
1001 | this.print(swift`),`);
|
1002 | break;
|
1003 | }
|
1004 | case "BooleanCondition":
|
1005 | this.printOnNewline(swift`GraphQLBooleanCondition(`);
|
1006 | this.print(
|
1007 | join(
|
1008 | [
|
1009 | swift`variableName: ${SwiftSource.string(
|
1010 | selection.variableName
|
1011 | )}`,
|
1012 | swift`inverted: ${selection.inverted}`,
|
1013 | swift`selections: `,
|
1014 | ],
|
1015 | ", "
|
1016 | )
|
1017 | );
|
1018 | this.selectionSetInitialization(selection.selectionSet);
|
1019 | this.print(swift`),`);
|
1020 | break;
|
1021 | case "TypeCondition": {
|
1022 | this.printOnNewline(swift`GraphQLTypeCondition(`);
|
1023 | this.print(
|
1024 | join(
|
1025 | [
|
1026 | swift`possibleTypes: [${join(
|
1027 | selection.selectionSet.possibleTypes.map(
|
1028 | (type) => swift`${SwiftSource.string(type.name)}`
|
1029 | ),
|
1030 | ", "
|
1031 | )}]`,
|
1032 | swift`selections: `,
|
1033 | ],
|
1034 | ", "
|
1035 | )
|
1036 | );
|
1037 | this.selectionSetInitialization(selection.selectionSet);
|
1038 | this.print(swift`),`);
|
1039 | break;
|
1040 | }
|
1041 | case "FragmentSpread": {
|
1042 | const structName = this.helpers.structNameForFragmentName(
|
1043 | selection.fragmentName
|
1044 | );
|
1045 | this.printOnNewline(
|
1046 | swift`GraphQLFragmentSpread(${structName}.self),`
|
1047 | );
|
1048 | break;
|
1049 | }
|
1050 | }
|
1051 | }
|
1052 | });
|
1053 | this.printOnNewline(swift`]`);
|
1054 | }
|
1055 |
|
1056 | /**
|
1057 | * Generates a type declaration for the given `GraphQLType`
|
1058 | *
|
1059 | * @param type The graphQLType to generate a type declaration for.
|
1060 | * @param outputIndividualFiles If this operation is being output as individual files, to help prevent
|
1061 | * redundant usages of the `public` modifier in enum extensions.
|
1062 | */
|
1063 | typeDeclarationForGraphQLType(
|
1064 | type: GraphQLType,
|
1065 | outputIndividualFiles: boolean
|
1066 | ) {
|
1067 | if (isEnumType(type)) {
|
1068 | this.enumerationDeclaration(type);
|
1069 | } else if (isInputObjectType(type)) {
|
1070 | this.structDeclarationForInputObjectType(type, outputIndividualFiles);
|
1071 | }
|
1072 | }
|
1073 |
|
1074 | enumerationDeclaration(type: GraphQLEnumType) {
|
1075 | const { name, description } = type;
|
1076 | const values = type.getValues().filter((value) => {
|
1077 | return (
|
1078 | !value.isDeprecated || !this.context.options.omitDeprecatedEnumCases
|
1079 | );
|
1080 | });
|
1081 |
|
1082 | this.printNewlineIfNeeded();
|
1083 | this.comment(description || undefined);
|
1084 | this.printOnNewline(
|
1085 | swift`public enum ${name}: RawRepresentable, Equatable, Hashable, CaseIterable, Apollo.JSONDecodable, Apollo.JSONEncodable`
|
1086 | );
|
1087 | this.withinBlock(() => {
|
1088 | this.printOnNewline(swift`public typealias RawValue = String`);
|
1089 |
|
1090 | values.forEach((value) => {
|
1091 | this.comment(value.description || undefined);
|
1092 | this.deprecationAttributes(
|
1093 | value.isDeprecated,
|
1094 | value.deprecationReason || undefined
|
1095 | );
|
1096 | this.printOnNewline(
|
1097 | swift`case ${this.helpers.enumCaseName(value.name)}`
|
1098 | );
|
1099 | });
|
1100 | this.comment("Auto generated constant for unknown enum values");
|
1101 | this.printOnNewline(swift`case __unknown(RawValue)`);
|
1102 |
|
1103 | this.printNewlineIfNeeded();
|
1104 | this.printOnNewline(swift`public init?(rawValue: RawValue)`);
|
1105 | this.withinBlock(() => {
|
1106 | this.printOnNewline(swift`switch rawValue`);
|
1107 | this.withinBlock(() => {
|
1108 | values.forEach((value) => {
|
1109 | this.printOnNewline(
|
1110 | swift`case ${SwiftSource.string(
|
1111 | value.value
|
1112 | )}: self = ${this.helpers.enumDotCaseName(value.name)}`
|
1113 | );
|
1114 | });
|
1115 | this.printOnNewline(swift`default: self = .__unknown(rawValue)`);
|
1116 | });
|
1117 | });
|
1118 |
|
1119 | this.printNewlineIfNeeded();
|
1120 | this.printOnNewline(swift`public var rawValue: RawValue`);
|
1121 | this.withinBlock(() => {
|
1122 | this.printOnNewline(swift`switch self`);
|
1123 | this.withinBlock(() => {
|
1124 | values.forEach((value) => {
|
1125 | this.printOnNewline(
|
1126 | swift`case ${this.helpers.enumDotCaseName(
|
1127 | value.name
|
1128 | )}: return ${SwiftSource.string(value.value)}`
|
1129 | );
|
1130 | });
|
1131 | this.printOnNewline(swift`case .__unknown(let value): return value`);
|
1132 | });
|
1133 | });
|
1134 |
|
1135 | this.printNewlineIfNeeded();
|
1136 | this.printOnNewline(
|
1137 | swift`public static func == (lhs: ${name}, rhs: ${name}) -> Bool`
|
1138 | );
|
1139 | this.withinBlock(() => {
|
1140 | this.printOnNewline(swift`switch (lhs, rhs)`);
|
1141 | this.withinBlock(() => {
|
1142 | values.forEach((value) => {
|
1143 | const enumDotCaseName = this.helpers.enumDotCaseName(value.name);
|
1144 | const tuple = swift`(${enumDotCaseName}, ${enumDotCaseName})`;
|
1145 | this.printOnNewline(swift`case ${tuple}: return true`);
|
1146 | });
|
1147 | this.printOnNewline(
|
1148 | swift`case (.__unknown(let lhsValue), .__unknown(let rhsValue)): return lhsValue == rhsValue`
|
1149 | );
|
1150 | this.printOnNewline(swift`default: return false`);
|
1151 | });
|
1152 | });
|
1153 |
|
1154 | this.printNewlineIfNeeded();
|
1155 | this.printOnNewline(swift`public static var allCases: [${name}]`);
|
1156 | this.withinBlock(() => {
|
1157 | this.printOnNewline(swift`return [`);
|
1158 | values.forEach((value) => {
|
1159 | const enumDotCaseName = this.helpers.enumDotCaseName(value.name);
|
1160 | this.withIndent(() => {
|
1161 | this.printOnNewline(swift`${enumDotCaseName},`);
|
1162 | });
|
1163 | });
|
1164 | this.printOnNewline(swift`]`);
|
1165 | });
|
1166 | });
|
1167 | }
|
1168 |
|
1169 | /**
|
1170 | * Generates a struct for a `GraphQLInputObjectType`.
|
1171 | *
|
1172 | * @param type The input type to generate code for
|
1173 | * @param outputIndividualFiles If this operation is being output as individual files, to help prevent
|
1174 | * redundant usages of the `public` modifier in enum extensions.
|
1175 | */
|
1176 | structDeclarationForInputObjectType(
|
1177 | type: GraphQLInputObjectType,
|
1178 | outputIndividualFiles: boolean
|
1179 | ) {
|
1180 | const { name: structName, description } = type;
|
1181 | const adoptedProtocols = ["GraphQLMapConvertible"];
|
1182 | const fields = Object.values(type.getFields());
|
1183 |
|
1184 | const properties = fields.map(
|
1185 | this.helpers.propertyFromInputField,
|
1186 | this.helpers
|
1187 | );
|
1188 |
|
1189 | properties.forEach((property) => {
|
1190 | if (property.isOptional) {
|
1191 | property.typeName = `Swift.Optional<${property.typeName}>`;
|
1192 | }
|
1193 | });
|
1194 |
|
1195 | this.structDeclaration(
|
1196 | { structName, description: description || undefined, adoptedProtocols },
|
1197 | outputIndividualFiles,
|
1198 | () => {
|
1199 | this.printOnNewline(swift`public var graphQLMap: GraphQLMap`);
|
1200 |
|
1201 | this.printNewlineIfNeeded();
|
1202 |
|
1203 | if (properties.length > 0) {
|
1204 | this.comment("- Parameters:");
|
1205 | properties.forEach((property) => {
|
1206 | var propertyDescription = "";
|
1207 | if (property.description) {
|
1208 | propertyDescription = `: ${property.description}`;
|
1209 | }
|
1210 | this.comment(
|
1211 | ` - ${property.propertyName}${propertyDescription}`,
|
1212 | false
|
1213 | );
|
1214 | });
|
1215 | }
|
1216 |
|
1217 | this.printOnNewline(swift`public init`);
|
1218 | this.print(swift`(`);
|
1219 | this.print(
|
1220 | join(
|
1221 | properties.map(({ propertyName, typeName, isOptional }) => {
|
1222 | const internalName = this.helpers.internalParameterName(
|
1223 | propertyName,
|
1224 | properties
|
1225 | );
|
1226 | const decl =
|
1227 | internalName === propertyName
|
1228 | ? propertyName
|
1229 | : swift`${propertyName} ${internalName}`;
|
1230 | return join([
|
1231 | swift`${decl}: ${typeName}`,
|
1232 | isOptional ? swift` = nil` : undefined,
|
1233 | ]);
|
1234 | }),
|
1235 | ", "
|
1236 | )
|
1237 | );
|
1238 | this.print(swift`)`);
|
1239 |
|
1240 | this.withinBlock(() => {
|
1241 | this.printOnNewline(
|
1242 | wrap(
|
1243 | swift`graphQLMap = [`,
|
1244 | join(
|
1245 | properties.map(
|
1246 | ({ name, propertyName }) =>
|
1247 | swift`${SwiftSource.string(
|
1248 | name
|
1249 | )}: ${this.helpers.internalParameterName(
|
1250 | propertyName,
|
1251 | properties
|
1252 | )}`
|
1253 | ),
|
1254 | ", "
|
1255 | ) || swift`:`,
|
1256 | swift`]`
|
1257 | )
|
1258 | );
|
1259 | });
|
1260 |
|
1261 | for (const {
|
1262 | name,
|
1263 | propertyName,
|
1264 | typeName,
|
1265 | description,
|
1266 | isOptional,
|
1267 | } of properties) {
|
1268 | this.printNewlineIfNeeded();
|
1269 | this.comment(description || undefined);
|
1270 | this.printOnNewline(swift`public var ${propertyName}: ${typeName}`);
|
1271 | this.withinBlock(() => {
|
1272 | this.printOnNewline(swift`get`);
|
1273 | this.withinBlock(() => {
|
1274 | if (isOptional) {
|
1275 | this.printOnNewline(
|
1276 | swift`return graphQLMap[${SwiftSource.string(
|
1277 | name
|
1278 | )}] as? ${typeName} ?? ${typeName}.none`
|
1279 | );
|
1280 | } else {
|
1281 | this.printOnNewline(
|
1282 | swift`return graphQLMap[${SwiftSource.string(
|
1283 | name
|
1284 | )}] as! ${typeName}`
|
1285 | );
|
1286 | }
|
1287 | });
|
1288 | this.printOnNewline(swift`set`);
|
1289 | this.withinBlock(() => {
|
1290 | this.printOnNewline(
|
1291 | swift`graphQLMap.updateValue(newValue, forKey: ${SwiftSource.string(
|
1292 | name
|
1293 | )})`
|
1294 | );
|
1295 | });
|
1296 | });
|
1297 | }
|
1298 | }
|
1299 | );
|
1300 | }
|
1301 | }
|
1302 |
|
\ | No newline at end of file |