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definition

v2.0.8

Published

Generate typescript type definitions and enumerations from business definition json records.

Downloads

1,012

Readme

Definition publish

Generate typescript type definitions and enumerations from business definition json records.

Install

npm i definition

Usage

Create config file.

definition.config.mjs

/**
 * @return {import('definition').ConfigOptions}
 */
export default () => {
  return {
    dir: "./jsons",
    output: "./definitions",
  };
};

Create json records in target directory.

./jsons/hello.json

[
  { "value": "hello", "key": "hello" },
  { "value": "world", "key": "world" }
]

Run command

npx def generate # or npx def g

or add command to scripts with npm run

{
  "scripts": {
    "definition": "def generate" // or def g
  }
}

Result

.
├── hello.ts
└── utils
    ├── index.ts
    ├── kr-map.ts
    ├── kv-map.ts
    ├── types.ts
    └── vr-map.ts

./definitions/hello.ts

import { krMap, vrMap, kvMap } from "./utils";
export const HELLO_records = [{ "value": "hello", "key": "hello" }, { "value": "world", "key": "world" }] as const;
export type HELLO_Records = typeof HELLO_records;
export type HELLO_Values = HELLO_Records[number]["value"];
export enum HELLO_Keys {
    Hello = "Hello",
    World = "World"
}
export const HELLO_key_list = [HELLO_Keys.Hello, HELLO_Keys.World] as const;
export const HELLO_kr = krMap(HELLO_records, HELLO_key_list);
export const HELLO_vr = vrMap(HELLO_records, HELLO_key_list, "value");
export const HELLO_kv = kvMap(HELLO_records, HELLO_key_list, "value");

CLI

Usage: cli [options] [command]

Options:
  -h, --help            display help for command

Commands:
  generate|g [options]
  help [command]        display help for command

command generate

sage: cli generate|g [options]

Options:
  -c, --config [path]  Config file path
  -h, --help           display help for command

ConfigOptions

interface ConfigOptions {
  dir: string; // Json records directory
  output: string; // Definitions output directory
  valueField?: string; // The value field key
  keyField?: string; // The key field key
  keyFormat?: "camelback" | "camelcase" | "underscore"; // The format of the generated key
  keyGen?: (record: Record<string, any>) => string; // Custom key generate function
}

Note: when keyGen is configured, keyFormat will be ignored.

License

MIT