fix: key.toJWK() fixed on windows

* ci: try different os builds
* fix: key.toJWK() fixed on windows

resolves #17

.travis.yml

@@ -6,7 +6,15 @@ script: npm run coverage
 after_script: npx codecov
 jobs:
  include:
+ - stage: macOS
+ os: osx
+ script: npm run coverage
+ node_js: stable
+ - stage: windows
+ os: windows
+ script: npm run coverage
+ node_js: node
  - stage: Lint
  script: npm run lint
- node_js: stable
+ node_js: node
  after_script: skip

lib/help/key_utils.js

@@ -1,3 +1,4 @@
+const { EOL } = require('os')
 const keyto = require('@trust/keyto')
 
 const errors = require('../errors')
@@ -8,7 +9,12 @@ module.exports.keyObjectToJWK = (keyObject) => {
  const type = keyObject.type === 'private' ? 'pkcs8' : 'spki'
  const format = 'pem'
 
- const pem = keyObject.export({ type, format })
+ let pem = keyObject.export({ type, format })
+
+ // keyObject export always uses \n but @trust/keyto splits based on the os.EOL
+ if (EOL !== '\n') {
+ pem = pem.replace(/\n/g, EOL)
+ }
 
  return keyto.from(pem, 'pem').toJwk(keyObject.type)
 }