dtsintergen
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2.3.2 • Public • Published

dtsintergen

TypeScript d.ts file generator from JSON Schema file or OpenAPI(Swagger) spec file.

This is a FORK of horiuchi/dtsgenerator. When the intersection flag is set, this fork generates an alternate rendering of the d.ts files using Typescript's Intersection Types. You must use the -i flag to enable intersection. See test/intersection_test.ts.

See the most recent commits on master branch for diff between dtsgenerator and dtsintergen. The version number of dtsintergen will correspond to the version of dtsgenerator from which it is based, down to the minor version. I.e. 2.3.x of dtsintergen corresponds to 2.3.x of dtsgenerator. The patch numbers (x) in the preceding example, are not in sync.

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Table of Contents

Install

npm install -g dtsintergen

Usage

$ dtsintergen --help
Usage: script [options] <file ... | file patterns using node-glob>

Options:

  -V, --version                output the version number
  --url <url>                  input json schema from the url. (default: )
  --stdin                      read stdin with other files or urls.
  -o, --out <file>             output d.ts filename.
  -n, --namespace <namespace>  use root namespace instead of definitions or components.schema from OpenAPI, or -n "" to suppress namespaces.
  -i, --intersection           output intersection types for `allOf` schema.
  -h, --help                   output usage information

  Examples:

    $ dtsintergen --help
    $ dtsintergen --out types.d.ts schema/**/*.schema.json
    $ dtsintergen -i --out types.d.ts schema/**/*.schema.json # <=== !!! enables intersection types !!!
    $ cat schema1.json | dtsintergen
    $ dtsintergen -o swaggerSchema.d.ts --url https://raw.githubusercontent.com/OAI/OpenAPI-Specification/master/schemas/v2.0/schema.json
    $ dtsintergen -o petstore.d.ts -n PetStore --url https://raw.githubusercontent.com/OAI/OpenAPI-Specification/master/examples/v2.0/yaml/petstore.yaml

Advance Usage

For customize the output type name.

Install for library

npm install -S dtsgen-intersection

Usage for library

For example, it want to add the I prefix to the interface name. This is not usual example...

https://github.com/horiuchi/dtsgenerator/blob/master/example/add-prefix/index.ts

import dtsGenerator, { DefaultTypeNameConvertor, SchemaId } from 'dtsintergen';
import * as fs from 'fs';

const filePath = '../../test/snapshots/json-schema-draft-04/schema/schema.json';

function typeNameConvertor(id: SchemaId): string[] {
    const names = DefaultTypeNameConvertor(id);
    if (names.length > 0) {
        const lastIndex = names.length - 1;
        names[lastIndex] = 'I' + names[lastIndex];
    }
    return names;
}

async function main(): Promise<void> {
    const content = JSON.parse( fs.readFileSync(filePath, 'utf-8') );
    const result = await dtsGenerator({
        contents: [content],
        typeNameConvertor,
    });
    console.log(result);
}
main();

Development

Debug

Output debug message by debug library.

$ DEBUG=dtsgen dtsgen schema/news.json

Links about JSON Schema and Swagger

Supported spec and features

  • JSON Schema

    • Draft-04 and before
    • Draft-07 and before
  • OpenAPI

    • OpenAPI Specification version 2.0
    • OpenAPI Specification version 3.0
  • supported features in these spec

ChangeLog

v2.3.1 (2019-09-02)

  • features:
    • Support the dynamic JSON media type #363. Thank you @buelsenfrucht 👍
    • Add to support the number type enum values #365. Thank you @vincentlin02 👍

v2.3.0 (2019-08-23)

  • features:
    • Improve the tuple type output by TypeScript v3 syntax, and Support maxItems property #339. Thank you @keean 👍

v2.2.0 (2019-08-06)

  • fixed
    • Fix: "_" character at the end of generated type #358. Thank you @KostblLb 👍

v2.1.0 (2019-07-18)

  • features:
    • Add to support objected example #356. Thank you for reporting the issue #348 by @fantapop 👍
    • Add to support the application/x-www-form-urlencoded branch on OpenAPI. #357

v2.0.8 (2019-06-25)

  • fixed
    • Fix: OneOf + type "object" produces empty interface #351. Thank you @polomani 👍

v2.0.7 (2019-05-07)

  • fixed
    • Fix: typename when the path is nested #334. Thank you @steelydylan 👍
    • Fix: Support ref objects for OAS3 requestBodies + responses #343. Thank you @anttiviljami 👍

v2.0.6 (2019-02-14)

  • fixed
    • Fix "Error: The $ref target is not exists" on valid OpenAPI 3 spec #322. Thank you @f1cognite 👍

v2.0.5 (2019-01-28)

v2.0.4 (2019-01-07)

  • fixed
    • Fix missing schema due to yaml references #318. Thank you @sakari 👍

v2.0.1 (2018-12-21)

  • fixed
    • A property name cannot contain a "/" #315. Thank you @Reggino 👍
    • update .npmignore

v2.0.0 (2018-10-22)

  • features
    • Add to support emit the Request/Response object schema of OpenAPI by #304.

older versions history

ChangeLogs

License

dtsgenerator is licensed under the MIT license.

Copyright © 2016-2019, Hiroki Horiuchi

dtsintergen is licensed under the MIT license.

Copyright © 2017-2019, Daphne Maddox

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npm i dtsintergen

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