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    1.1.1 • Public • Published


    Generates and provides release metadata for the current application.

      "name": "release-metadata",
      "timestamp": "20210706195814",
      "repos": [
          "ref": "b7ebeb23c2dfbd9bba637a91cccfaa2fe0860108",
          "url": "https://github.com/KineticCafe/release-metadata-ts.git",
          "name": "release-metadata-ts",
          "type": "git",
          "source_path": "/Users/austin/dev/oss/kineticcafe/release-metadata/release-metadata-ts"
      "source_path": "/Users/austin/dev/oss/kineticcafe/release-metadata/release-metadata-ts",
      "packages": [
          "name": "node",
          "versions": {
            "node": "16.4.0",
            "v8": "",
            "uv": "1.41.0",
            "zlib": "1.2.11",
            "brotli": "1.0.9",
            "ares": "1.17.1",
            "modules": "93",
            "nghttp2": "1.43.0",
            "napi": "8",
            "llhttp": "6.0.2",
            "openssl": "1.1.1k",
            "cldr": "39.0",
            "icu": "69.1",
            "tz": "2021a",
            "unicode": "13.0"


    There are two use cases for ReleaseMetadata:

    • generating a release metadata file for inclusion in a release package;
    • presenting a release metadata collection output through an API.

    Generating Metadata

    Release metadata can be generated for the current application repository with npm exec release-metadata --save. There are numerous options available for the release-metadata command-line:

    • --path <PATH>: The path and/or filename for the metadata (implies --save)
    • --save: Writes release-metadata.json to the current directory
    • --no-save: Prints to standard output instead of saving, used with --path for reading only
    • --merge [ORIGINAL]: Merges the generated release metadata with an existing file. If just --merge is provided, the original file does not need to exist; if --merge ORIGINAL is provided, the original file must exist. Incompatible with --merge-original.
    • --merge-original <ORIGINAL>: Merges the generated release metadata with the original file (the generated data overrides the original data)
    • --merge-overlay <OVERLAY>: Merges the overlay file with the generated release metadata (the overlay overrides the generated data)
    • --branch <BRANCH>: The default git branch to use, if not main or master
    • --remote <REMOTE>: The default git remote to use, if not origin
    • --no-git: Disables git processing
    • --secure: Resolves only to a secure version of the output
    • --secure-if-production: Resolves to a secure version if NODE_ENV is production
    • --omit-repo-url: Eliminates the repo URL
    • --release-name <NAME>: The value to use as the release name
    • --timestamp <TIMESTAMP>: The timestamp to use

    Both --merge-original and --merge-overlay may be used at the same time. See {@link ConfigOptions} for more information.

    This metadata file can be manipulated by other tools to include more information, if desired, such as the current version of Node.js, or it can merge an existing metadata file when --merge is provided.

    The timestamp value can be overridden by setting RELEASE_TIMESTAMP in OS environment variables.

    Programmatic Generation

    It is possible to write your own script to generate the release metadata so that it can become part of a build or packaging script. The script will look something like this:

    import { generate } from '@kineticcafe/release-metadata'
    const config = {
      // Set configuration options here. See ConfigOptions documentation for
      // details.
      path: 'release.json',
      name: 'my-package',
    generate(config).then((processed) => {
      // Do something with the processed metadata.

    Presenting Metadata

    Use the create function to read and process the release metadata for presentation from an API.

    // ./release-metadata.mjs
    import { create } from '@kineticcafe/release-metadata'
    export const releaseMetadata = create()

    The output of create() is an async function that returns a release metadata map that could be used in an express handler, for example:

    import { releaseMetadata } from './release-metadata.mjs'
    express.get('/release', async (_req, res, _next) => {
      res.send(await releaseMetadata())

    Static Presentation

    Use the createStatic function to read and process the release metadata and return a static release metadata map.

    // ./release-metadata.mjs
    import { createStatic } from '@kineticcafe/release-metadata'
    export const releaseMetadata = createStatic({ secure: true })
    // app.mjs
    import { releaseMetadata } from './release-metadata.mjs'
    express.get('/release', (_req, res, _next) => {


    # Pick your poison:
    npm install @kineticcafe/release-metadata
    yarn install @kineticcafe/release-metadata
    pnpm install @kineticcafe/release-metadata

    If the only purpose is the generation of a release metadata file from the command-line, release-metadata may be installed as a development dependency:

    npm install -D @kineticcafe/release-metadata
    yarn install -D @kineticcafe/release-metadata
    pnpm install -D @kineticcafe/release-metadata


    Licensed under the MIT license.

    Community and Contributing

    We welcome your contributions, as described in Contributing.md. Like all Kinetic Cafe open source projects, is under the Kinetic Cafe Open Source Code of Conduct.


    npm i @kineticcafe/release-metadata

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