feat: Add setBreakpoint()

Author: Jan Krems

lib/node-inspect.js

@@ -470,6 +470,8 @@ function createCommandContext(inspector) {
   const scripts = {};
   const watchedExpressions = [];
 
+  const breakPoints = new Map();
+
   // Clear current line
   function clearline() {
     if (stdout.isTTY) {
@@ -525,6 +527,20 @@ function createCommandContext(inspector) {
       return ctx.debugEval(code);
     },
 
+    setBreakpoint(script, line, condition, silent) {
+      const registerBreakpoint = ({ breakpointId, actualLocation }) => {
+        breakPoints.set(breakpointId, actualLocation);
+      };
+
+      // setBreakpoint()
+      if (script === undefined) {
+        // set breakpoint at current location
+        return Debugger.setBreakpoint({ location: currentSourceLocation, condition })
+          .then(registerBreakpoint);
+      }
+      throw new Error('Not implemented');
+    },
+
     get cont() {
       return Debugger.resume();
     },
@@ -572,7 +588,13 @@ function createCommandContext(inspector) {
               lineText = markSourceColumn(lineText, columnNumber, inspector.repl);
             }
 
-            const isBreakpoint = false; // TODO: show breakpoints
+            let isBreakpoint = false;
+            breakPoints.forEach(actualLocation => {
+              if (actualLocation.scriptId === scriptId && (actualLocation.lineNumber + 1) === i) {
+                isBreakpoint = true;
+              }
+            });
+
             let prefixChar = ' ';
             if (isCurrent) {
               prefixChar = '>';