test: add formatting script and test for grammars (#544)

Author: ayazhafiz

package.json

@@ -113,6 +113,7 @@
     "@types/node": "12.12.24",
     "clang-format": "1.3.0",
     "jasmine": "3.5.0",
+    "prettier": "^1.19.1",
     "rollup": "1.29.0",
     "rollup-plugin-commonjs": "10.1.0",
     "tslint": "5.20.1",

scripts/format.sh

@@ -9,6 +9,9 @@ find . -name "*.ts" \
   -not -path "*/out/*" \
   -exec yarn clang-format -i {} +
 
+find syntaxes/ -name "*.json" \
+  -exec yarn prettier --write {} +
+
 if [[ ! -z "${CI_MODE}" ]]; then
   git diff --diff-filter=ACMRT --exit-code || (echo "Files not formatted; please run 'yarn format'." && exit 1)
 fi

yarn.lock

@@ -854,6 +854,11 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
+prettier@^1.19.1:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
+
 psl@^1.1.24:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/psl/-/psl-1.3.0.tgz#e1ebf6a3b5564fa8376f3da2275da76d875ca1bd"