--inspect can no longer be used as a flag through gulp (microsoft#42701)

* --inspect can no longer be used as a flag through gulp

* Add --break alias

* Update scripts/build/options.js

Author: andrewbranch

CONTRIBUTING.md

@@ -153,10 +153,10 @@ gulp runtests --tests=2dArrays
 
 ## Debugging the tests
 
-You can debug with VS Code or Node instead with `gulp runtests --inspect`:
+You can debug with VS Code or Node instead with `gulp runtests -i`:
 
 ```Shell
-gulp runtests --tests=2dArrays --inspect
+gulp runtests --tests=2dArrays -i
 ```
 
 You can also use the [provided VS Code launch configuration](./.vscode/launch.template.json) to launch a debug session for an open test file. Rename the file 'launch.json', open the test file of interest, and launch the debugger from the debug panel (or press F5).

Gulpfile.js

@@ -453,8 +453,7 @@ task("runtests").flags = {
     "-t --tests=<regex>": "Pattern for tests to run.",
     "   --failed": "Runs tests listed in '.failed-tests'.",
     "-r --reporter=<reporter>": "The mocha reporter to use.",
-    "-d --debug": "Runs tests in debug mode (NodeJS 6 and earlier)",
-    "-i --inspect": "Runs tests in inspector mode (NodeJS 8 and later)",
+    "-i --break": "Runs tests in inspector mode (NodeJS 8 and later)",
     "   --keepFailed": "Keep tests in .failed-tests even if they pass",
     "   --light": "Run tests in light mode (fewer verifications, but tests run faster)",
     "   --dirty": "Run tests without first cleaning test output directories",

scripts/build/options.js

@@ -4,12 +4,11 @@ const os = require("os");
 
 /** @type {CommandLineOptions} */
 module.exports = minimist(process.argv.slice(2), {
-    boolean: ["debug", "dirty", "light", "colors", "lint", "lkg", "soft", "fix", "failed", "keepFailed", "force", "built"],
-    string: ["browser", "tests", "inspect", "host", "reporter", "stackTraceLimit", "timeout", "shards", "shardId"],
+    boolean: ["dirty", "light", "colors", "lint", "lkg", "soft", "fix", "failed", "keepFailed", "force", "built"],
+    string: ["browser", "tests", "break", "host", "reporter", "stackTraceLimit", "timeout", "shards", "shardId"],
     alias: {
         "b": "browser",
-        "d": ["debug", "debug-brk"],
-        "i": ["inspect", "inspect-brk"],
+        "i": ["inspect", "inspect-brk", "break", "debug", "debug-brk"],
         "t": ["tests", "test"],
         "ru": ["runners", "runner"],
         "r": "reporter",
@@ -47,7 +46,6 @@ if (module.exports.built) {
 
 /**
  * @typedef TypedOptions
- * @property {boolean} debug
  * @property {boolean} dirty
  * @property {boolean} light
  * @property {boolean} colors
@@ -58,7 +56,7 @@ if (module.exports.built) {
  * @property {boolean} fix
  * @property {string} browser
  * @property {string} tests
- * @property {string} inspect
+ * @property {string | boolean} inspect
  * @property {string} runners
  * @property {string|number} workers
  * @property {string} host

scripts/build/tests.js

@@ -27,8 +27,7 @@ exports.localTest262Baseline = "internal/baselines/test262/local";
 async function runConsoleTests(runJs, defaultReporter, runInParallel, watchMode, cancelToken = CancellationToken.none) {
     let testTimeout = cmdLineOptions.timeout;
     let tests = cmdLineOptions.tests;
-    const debug = cmdLineOptions.debug;
-    const inspect = cmdLineOptions.inspect;
+    const inspect = cmdLineOptions.break || cmdLineOptions.inspect;
     const runners = cmdLineOptions.runners;
     const light = cmdLineOptions.light;
     const stackTraceLimit = cmdLineOptions.stackTraceLimit;
@@ -101,11 +100,7 @@ async function runConsoleTests(runJs, defaultReporter, runInParallel, watchMode,
             args.push("--no-colors");
         }
         if (inspect !== undefined) {
-            args.unshift(inspect == "" ? "--inspect-brk" : "--inspect-brk="+inspect);
-            args.push("-t", "0");
-        }
-        else if (debug) {
-            args.unshift("--debug-brk");
+            args.unshift((inspect == "" || inspect === true) ? "--inspect-brk" : "--inspect-brk="+inspect);
             args.push("-t", "0");
         }
         else {