@elliots/openapi-ts-backend/dist/tools/typegen/index.js

Enables easy implementions of OpenAPI REST APIs in TypeScript with full typings of schemas and operations.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (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 __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const yaml = __importStar(require("js-yaml"));
const openapi_typescript_1 = __importDefault(require("openapi-typescript"));
const fs_1 = require("fs");
const path_1 = __importDefault(require("path"));
const parser_1 = require("./parser");
const templates = __importStar(require("./templates"));
const YAML_EXTENSION = /\.ya?ml$/;
function write(dirName, fileName, data) {
    const outputPath = path_1.default.resolve(dirName, fileName);
    fs_1.writeFileSync(outputPath, data);
    return outputPath;
}
function createSpecTypes(specPath, outputDir) {
    return __awaiter(this, void 0, void 0, function* () {
        const raw = fs_1.readFileSync(specPath).toString();
        const schema = (YAML_EXTENSION.test(specPath)) ? yaml.load(raw) : JSON.parse(raw);
        const ts = openapi_typescript_1.default(schema);
        return write(outputDir, 'spec.ts', ts);
    });
}
function main(program, command, args) {
    return __awaiter(this, void 0, void 0, function* () {
        const excludeHandlers = args.includes('--exclude-handlers');
        const [inputFile, outputDir] = args.slice(-2);
        if (!inputFile || !outputDir) {
            throw new Error(`Usage: ${program} ${command} <path to OpenAPI document> <output directory>`);
        }
        if (!fs_1.existsSync(outputDir)) {
            fs_1.mkdirSync(outputDir);
        }
        const specTypesPath = yield createSpecTypes(inputFile, outputDir);
        const operationIds = parser_1.getApiOperationIds(specTypesPath);
        const modules = ['requests'];
        if (!excludeHandlers) {
            modules.push('handlers');
        }
        write(outputDir, `utils.ts`, templates.utils);
        if (modules.includes('requests')) {
            write(outputDir, `requests.ts`, templates.requests);
        }
        if (modules.includes('handlers')) {
            write(outputDir, `handlers.ts`, templates.handlers.replace('$OPERATIONS', operationIds.map(id => `  ${id}: OperationHandler<T, '${id}'>;`).join('\n')));
        }
        write(outputDir, `index.ts`, templates.index + modules
            .map(module => `export * from './${module}';`)
            .join('\n'));
        console.log(`Types written to ${outputDir}`);
    });
}
exports.default = main;
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