tooling: script improvements

- `pretest`: stop when first script fails
- (new) `dev`: test with options more helpful when developing
- `release`: `git fetch` before calling `np` as workaround for sindresorhus/np#421

package.json

@@ -10,14 +10,15 @@
   "scripts": {
     "clear": "npx rimraf coverage .nyc_output ",
     "clear:all": "npm run clear -- node_modules examples/num-args/node_modules",
-    "pretest": "npm run --silent tsc; cd examples/num-args; npm --silent run setup; cd -;",
+    "pretest": "npm run --silent tsc && cd examples/num-args && npm --silent run setup && cd -",
     "test": "tap --reporter=tap --100 ",
+    "dev": "tap --coverage --watch",
     "codecov": "tap --coverage-report=text-lcov | codecov --pipe --disable=gcov -t \"$CODECOV_TOKEN\"",
     "tsc": "npm run tsc:check && npm run tsc:types",
     "tsc:check": "tsc --noEmit --listFiles",
     "tsc:types": "tsc -p tsconfig.types.json5 --emitDeclarationOnly --listEmittedFiles",
     "prerelease": "npm --silent run clear:all; npm ci",
-    "release": "np"
+    "release": "git fetch --all --progress && np"
   },
   "repository": {
     "type": "git",