Don't validate ts file which tsconfig.json cannot be found. See

angelozerr · angelozerr · commit 9ce209ce321b · 2016-04-10T00:27:34.000+02:00
#40 (comment)
diff --git a/eclipse/ts.eclipse.ide.core/src/ts/eclipse/ide/internal/core/resources/IDETypeScriptProject.java b/eclipse/ts.eclipse.ide.core/src/ts/eclipse/ide/internal/core/resources/IDETypeScriptProject.java
@@ -200,6 +200,10 @@ public boolean canValidate(IResource resource) {
 				} else if (tsconfig.hasExclude()) {
 					return !tsconfig.isExcluded(resource);
 				}
+			} else {
+				// tsconfig.json was not found (ex : MyProject/node_modules),
+				// validation must not be done.
+				return false;
 			}
 		} catch (CoreException e) {
 			Trace.trace(Trace.SEVERE, "Error while getting tsconfig.json for canValidate", e);

Original file line number	Diff line number	Diff line change
`@@ -200,6 +200,10 @@ public boolean canValidate(IResource resource) {`
`200`	`200`	`} else if (tsconfig.hasExclude()) {`
`201`	`201`	`return !tsconfig.isExcluded(resource);`
`202`	`202`	`}`
	`203`	`+ } else {`
	`204`	`+ // tsconfig.json was not found (ex : MyProject/node_modules),`
	`205`	`+ // validation must not be done.`
	`206`	`+ return false;`
`203`	`207`	`}`
`204`	`208`	`} catch (CoreException e) {`
`205`	`209`	`Trace.trace(Trace.SEVERE, "Error while getting tsconfig.json for canValidate", e);`