[WIP] genericPrint - PragmaDirective (#4)

* print PragmaDirective

* moar prettier features

* fix readme

* moar prettier ?!?

* even moar prettier ?!?

* add ContractDefinition

* travis-ci (#6)

* add config file

* fix test script

* print PragmaDirective

* moar prettier features

* fix readme

* moar prettier ?!?

* even moar prettier ?!?

* add ContractDefinition

* Add tests (#5)

* Install Jest and add a test

* Enable Prettier on the codebase

* Remove unused variables and inline CI check

* Always use the `filepath` option

* Remove location data from the AST when comparing with the printed AST

* Run the linter in CI

* Remove excess `hardline`s; use `literalline`s in the `default` case

* Break `pragma` declarations when they go past the `printWidth`

* Add the test case in the PR’s body

* add eslint comments

* skip npm run lint (wip)

* re add npm run lint

Author: mattiaerre

.gitignore

@@ -59,3 +59,5 @@ typings/
 
 # next.js build output
 .next
+
+loc

.travis.yml

@@ -3,3 +3,6 @@ node_js:
   - "6"
   - "8"
   - "10"
+script:
+  - npm test
+  - npm run lint

README.md

@@ -2,8 +2,18 @@
 
 work in progress [prettier plugin](https://github.com/prettier/prettier/issues/4180) for [solidity](https://github.com/ethereum/solidity)
 
+## Resources
+
+- https://github.com/mattiaerre/prettier-plugin-solidity/issues/2
+
+## Test
+
+```bash
+node_modules/.bin/prettier --write **/*.sol --plugin=./src
+```
+
 ## Use
 
 ```bash
-node_modules/prettier/bin-prettier.js --write **/*.sol --plugin=./node_modules/prettier-plugin-solidity
+node_modules/.bin/prettier --write **/*.sol --plugin=./node_modules/prettier-plugin-solidity
 ```

jest.config.js

@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = {
+  setupFiles: ['<rootDir>/tests_config/run_spec.js'],
+  snapshotSerializers: ['<rootDir>/tests_config/raw-serializer.js'],
+  testRegex: 'jsfmt\\.spec\\.js$|__tests__/.*\\.js$',
+  collectCoverage: !!process.env.CI,
+  collectCoverageFrom: ['src/**/*.js', '!<rootDir>/node_modules/'],
+  testEnvironment: 'node',
+  transform: {},
+  watchPlugins: [
+    'jest-watch-typeahead/filename',
+    'jest-watch-typeahead/testname'
+  ]
+};