configurine-picker

0.0.3 • Public • Published

configurine-picker

Logic for picking config values based on a given app name, app version, and environment name from Configurine

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NPM

Installation

You may depend on the module by putting an entry in the dependencies section of your package.json file with the appropriate version:

"configurine-picker": "0.x.x"

You may also use npm to install the module and have it saved to your package.json using:

npm install configurine-picker --save

Usage

This module takes a set of config entries and filters them down to one of each name by picking the one whose associations best match the given application and environment using the following priority:

  • has both the matching app and env association
  • has one of a matching app or env association (app or env may have a higher priority based on app settings (associationPriority))
  • has no matching app or env associations

The function exported by this module takes one options paramter and returns an object that contains the names provided and the corresponding values that were picked. The expected properties on the options object are:

  • appName - the name of the application to match on (required)
  • appVersion - the version of the application to match on (required)
  • environmentName - the name of the environment to match on (required)
  • names - an array of strings that represent the names of the config entries pick for
  • associationPriority - tells the picker which association to give priority to: 'app' or 'env'. Defaults to 'app'
  • entries - the collection of config entries from configurine to pick from (required)

Example:

var picker = require('configurine-picker');
 
// example set of config entries from configurine for demo purposes
var entries = [
    {
        name: 'foo',
        value: 'bar',
        associations: {
            applications: [{
                name: 'my-app',
                versions: ['1.0.0']
            }],
            environments: []
        },
        isActive: true,
        isSensitive: false,
        owner: 'me'
    },
    {
        name: 'foo',
        value: 'baz',
        associations: {
            applications: [],
            environments: ['production']
        },
        isActive: true,
        isSensitive: false,
        owner: 'me'
    }
];
 
var config = picker({
    names: ['foo'],
    appName: 'my-app',
    appVersion: '1.0.0',
    environmentName: 'production',
    associationPriority: 'app',
    entries: entries
});
 
console.log(config.foo); // 'bar'
 
 
config = picker({
    names: ['foo', 'other'],
    appName: 'my-app',
    appVersion: '1.0.0',
    environmentName: 'production',
    associationPriority: 'env',
    entries: entries
});
 
console.log(config.foo); // 'baz'
console.log(config.other); // undefined

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npm i configurine-picker

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2

Version

0.0.3

License

MIT

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  • mac-