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data-to-jsonschema-to-ts

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Convert plain javascript objects to JSON Schema and TypeScript typings

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import { generateJsonSchemaFromData } from "./json-schema.js"; import * as fs from "fs"; import { createJsonSchemaValidator } from "./validator.js"; import { TEST_DATA } from "./test-data.js"; import { convertJsonSchemaToTs } from "./json-to-ts.js"; const generatedSchema = generateJsonSchemaFromData(TEST_DATA, "TestData", { additionalProperties: true, // existingSchema: { // title: "TestData", // $schema: "http://json-schema.org/draft-07/schema#", // type: "object", // properties: { // string: { type: "string" }, // number: { type: "number" }, // }, // additionalProperties: false, // required: ["string", "number"], // } }); fs.writeFileSync("schema.json", JSON.stringify(generatedSchema, null, 2)); console.log("--------"); console.log("Write schema.json file " + new Date()); console.log("--------"); const validator = createJsonSchemaValidator(generatedSchema); const errorsByIndex = new Map(); TEST_DATA.forEach((data, index) => { const result = validator(data); if (result.errors) { errorsByIndex.set(index, result.errors); } }); console.log("Validate schema"); if (errorsByIndex.size > 0) { console.log("Errors:"); console.log(JSON.stringify(Array.from(errorsByIndex.entries()), null, 2)); } else { console.log("No errors"); } console.log("--------"); if (!errorsByIndex.size) { convertJsonSchemaToTs(generatedSchema, { additionalProperties: false, }).then((generatedTs) => { console.log("TypeScript"); console.log(""); console.log(generatedTs); }); } console.log("--------"); //# sourceMappingURL=test.js.map