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refs

v0.9.7

Published

Compile and merge YAML, JSON or INI config files together through file path references

Downloads

2,215

Readme

Build Status Coverage Status

refs

Compile and merge YAML, JSON or INI config files together through file path references

Install:

$ npm install -g refs

Example: YAML

Template(s):

AWSTemplateFormatVersion: '2010-09-09'

Resources:
  - $ref: ./relative/path/to/file.yaml
RolePolicies:
  $ref: ./resources/role-policies.yaml
Type: 'AWS::IAM::Policy'
Properties:
  PolicyName: custom-role
  Roles:
    - custom-role
  PolicyDocument:
    Version: '2012-10-17'
    Statement:
      -
        Sid: PassRole
        Effect: Allow
        Resource:
          -
            'Fn::Join':
              - ""
              -
                - 'arn:aws:iam::'
                -
                  Ref: 'AWS::AccountId'
                - ':role/*'
        Action:
          - 'iam:PassRole'

Code:

'use strict';

const path = require('path');
const refs = require('refs');

const templateDir = `${__dirname}/../templates`;
const buildDir = `${__dirname}/../build`;
const inputTemplate = path.resolve(`${templateDir}/template.yaml`);
const outputFile = path.resolve(`${buildDir}/output-template.yaml`);

try {
  refs(inputTemplate, outputFile)
    .then((results) => {
      console.log(`\n  File written: ${results.outputFile}`);
    });
} catch (e) {
  console.error(e.message);
  console.error(e.stack);
}

Or cli:

$ refs -o ./build/output.yaml ./templates/main.yaml

Output:

AWSTemplateFormatVersion: '2010-09-09'
Resources:
  - RolePolicies:
      Type: 'AWS::IAM::Policy'
      Properties:
        PolicyName: custom-role
        Roles:
          - custom-role
        PolicyDocument:
          Version: '2012-10-17'
          Statement:
            - Sid: PassRole
              Effect: Allow
              Resource:
                - 'Fn::Join':
                    - ''
                    - - 'arn:aws:iam::'
                      - Ref: 'AWS::AccountId'
                      - ':role/*'
              Action:
                - 'iam:PassRole'