fix: ensure json path exists

package.json

@@ -25,6 +25,7 @@
  "@commitlint/cli": "6.1.3",
  "@commitlint/config-conventional": "6.1.3",
  "@types/chokidar": "1.7.5",
+ "@types/fs-extra": "5.0.2",
  "@types/jasmine": "2.8.6",
  "@types/minimist": "1.2.0",
  "@types/node": "10.0.0",
@@ -58,6 +59,7 @@
  "dependencies": {
  "ajv": "6.4.0",
  "chokidar": "2.0.3",
+ "fs-extra": "5.0.0",
  "minimist": "1.2.0",
  "protobufjs": "6.8.6",
  "typescript": "2.8.3"

src/index.ts

@@ -3,6 +3,7 @@ import ts from 'typescript'
 import * as fs from 'fs'
 import * as path from 'path'
 import * as chokidar from 'chokidar'
+import fse from 'fs-extra'
 import { Generator } from './core'
 import * as packageJson from '../package.json'
 
@@ -98,6 +99,7 @@ async function executeCommandLine () {
  }
 
  if (jsonPath) {
+ fse.ensureDirSync(jsonPath)
  const schemas = generator.generateJsonSchemas()
  for (const { entry, schema } of schemas) {
  if (debugPath || ajv.validateSchema(schema)) {

yarn.lock

@@ -301,6 +301,12 @@
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/@types/events/-/events-1.2.0.tgz#81a6731ce4df43619e5c8c945383b3e62a89ea86"
 
+"@types/[email protected]":
+ version "5.0.2"
+ resolved "https://registry.yarnpkg.com/@types/fs-extra/-/fs-extra-5.0.2.tgz#235a7e2b56452cc0a6a4809b53e1d1eaffff9c96"
+ dependencies:
+ "@types/node" "*"
+
 "@types/[email protected]":
  version "2.8.6"
  resolved "https://registry.yarnpkg.com/@types/jasmine/-/jasmine-2.8.6.tgz#14445b6a1613cf4e05dd61c3c3256d0e95c0421e"
@@ -2854,7 +2860,7 @@ from2@^2.1.0, from2@^2.1.1:
  inherits "^2.0.1"
  readable-stream "^2.0.0"
 
-fs-extra@^5.0.0:
+fs-extra@5.0.0, fs-extra@^5.0.0:
  version "5.0.0"
  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-5.0.0.tgz#414d0110cdd06705734d055652c5411260c31abd"
  dependencies: