Use tslint.loadConfigurationFromPath() to load tslint.json

https://github.com/panuhorsmalahti/gulp-tslint/blob/master/index.ts#L130 tslint.loadConfigurationFromPath() https://github.com/palantir/tslint/blob/master/src/tslint.ts#L32 will resolve rulesDirectory as well as handling extends (coming soon). I think this is the cause for #55

cc/ @JKillian

[patsissons]

for a quick stop-gap until gulp-tslint is using findConfiguration internally, you can inject the config when piping.

import tslint from 'gulp-tslint'

gulp.task('lint:ts', () => {
  gulp
    .src('*.ts')
    .pipe(tslint({ configuration: require('tslint').findConfiguration() }))
    .pipe(tslint.report('verbose', { emitError: true, summarizeFailureOutput: true }));
});

// tslint.json
{
  "extends": "tslint/docs/sample.tslint",
  "rules": {
  }
}

[jkillian]

These are the changes I made to grunt-tslint so new features like extends work correctly: https://github.com/palantir/grunt-tslint/pull/47/files

I don’t know the gulp model very well / how it interacts with the filesystem, but perhaps something similar would be possible here?