@aws-amplify/graphql-generator
Version:
GraphQL API code generator
131 lines • 6.3 kB
JavaScript
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.GraphQLStatementsFormatter = void 0;
const path = __importStar(require("path"));
const prettier_1 = __importDefault(require("prettier"));
const codeGeneration_1 = require("@aws-amplify/graphql-types-generator/lib/typescript/codeGeneration");
const CODEGEN_WARNING = 'this is an auto generated file. This will be overwritten';
const LINE_DELIMITOR = '\n';
class GraphQLStatementsFormatter {
constructor(language, operation, typesPath) {
var _a;
this.language = language || 'graphql';
this.opTypeName = {
queries: 'Query',
mutations: 'Mutation',
subscriptions: 'Subscription',
}[operation];
this.lintOverrides = [];
this.headerComments = [];
if (typesPath) {
const { dir, name } = path.parse(typesPath);
const typesPathWithoutExtension = path.join(dir, name).split(((_a = path.win32) === null || _a === void 0 ? void 0 : _a.sep) || '\\').join(path.posix.sep);
if (!typesPathWithoutExtension.startsWith('.')) {
this.typesPath = `./${typesPathWithoutExtension}`;
}
else {
this.typesPath = typesPathWithoutExtension;
}
}
else {
this.typesPath = null;
}
this.includeTypeScriptTypes = !!(this.language === 'typescript' && this.opTypeName && this.typesPath);
}
get typeDefs() {
if (!this.includeTypeScriptTypes)
return '';
return [
`import * as APITypes from '${this.typesPath}';`,
`type Generated${this.opTypeName}<InputType, OutputType> = string & {`,
` __generated${this.opTypeName}Input: InputType;`,
` __generated${this.opTypeName}Output: OutputType;`,
`};`,
].join(LINE_DELIMITOR);
}
format(statements) {
switch (this.language) {
case 'javascript':
this.headerComments.push(CODEGEN_WARNING);
this.lintOverrides.push('/* eslint-disable */');
return this.prettify(this.formatJS(statements));
case 'typescript':
this.headerComments.push(CODEGEN_WARNING);
this.lintOverrides.push(...['/* tslint:disable */', '/* eslint-disable */']);
return this.prettify(this.formatJS(statements));
case 'flow':
this.headerComments.push('@flow', CODEGEN_WARNING);
return this.prettify(this.formatJS(statements));
default:
this.headerComments.push(CODEGEN_WARNING);
return this.prettify(this.formatGraphQL(statements));
}
}
formatGraphQL(statements) {
const headerBuffer = this.headerComments.map(comment => `# ${comment}`).join(LINE_DELIMITOR);
const statementsBuffer = statements ? [...statements.values()].map(s => s.graphql).join(LINE_DELIMITOR) : '';
const formattedOutput = [headerBuffer, LINE_DELIMITOR, statementsBuffer].join(LINE_DELIMITOR);
return formattedOutput;
}
formatJS(statements) {
const lintOverridesBuffer = this.lintOverrides.join(LINE_DELIMITOR);
const headerBuffer = this.headerComments.map(comment => `// ${comment}`).join(LINE_DELIMITOR);
const formattedStatements = [];
if (statements) {
for (const [key, { graphql, operationName, operationType }] of statements) {
const typeTag = this.buildTypeTag(operationName, operationType);
const formattedGraphQL = prettier_1.default.format(graphql, { parser: 'graphql' });
formattedStatements.push(`export const ${key} = /* GraphQL */ \`${formattedGraphQL}\`${typeTag}`);
}
}
const typeDefs = this.includeTypeScriptTypes ? [LINE_DELIMITOR, this.typeDefs] : [];
const formattedOutput = [lintOverridesBuffer, headerBuffer, ...typeDefs, LINE_DELIMITOR, ...formattedStatements].join(LINE_DELIMITOR);
return formattedOutput;
}
buildTypeTag(operationName, operationType) {
if (!this.includeTypeScriptTypes || operationName === undefined || operationType === undefined)
return '';
const operationDef = { operationName, operationType };
const resultTypeName = `APITypes.${(0, codeGeneration_1.interfaceNameFromOperation)(operationDef)}`;
const variablesTypeName = `APITypes.${(0, codeGeneration_1.interfaceVariablesNameFromOperation)(operationDef)}`;
return ` as Generated${this.opTypeName}<${variablesTypeName}, ${resultTypeName}>;`;
}
prettify(output) {
const parserMap = {
javascript: 'babel',
graphql: 'graphql',
typescript: 'typescript',
flow: 'flow',
angular: 'graphql',
};
return prettier_1.default.format(output, { parser: parserMap[this.language || 'graphql'] });
}
}
exports.GraphQLStatementsFormatter = GraphQLStatementsFormatter;
//# sourceMappingURL=GraphQLStatementsFormatter.js.map