Cherry-pick PR #46737 into release-4.5 (#46742)

TypeScript Bot · gabritto · web-flow · commit 32786412dea7 · 2021-11-09T12:10:03.000-08:00
Component commits: 74cd7a5 fix extra newline 8df5bef Merge branch 'main' into gabritto/issue46609 67d631c fix test Co-authored-by: Gabriela Araujo Britto <gabrielaa@microsoft.com>
diff --git a/src/services/completions.ts b/src/services/completions.ts
@@ -851,7 +851,7 @@ namespace ts.Completions {
             removeComments: true,
             module: options.module,
             target: options.target,
-            omitTrailingSemicolon: true,
+            omitTrailingSemicolon: false,
             newLine: getNewLineKind(getNewLineCharacter(options, maybeBind(host, host.getNewLine))),
         });
         const importAdder = codefix.createImportAdder(sourceFile, program, preferences, host);
@@ -923,7 +923,10 @@ namespace ts.Completions {
             isAbstract);
 
         if (completionNodes.length) {
-            insertText = printer.printSnippetList(ListFormat.MultiLine, factory.createNodeArray(completionNodes), sourceFile);
+            insertText = printer.printSnippetList(
+                ListFormat.MultiLine | ListFormat.NoTrailingNewLine,
+                factory.createNodeArray(completionNodes),
+                sourceFile);
         }
 
         return { insertText, isSnippet, importAdder };
diff --git a/tests/cases/fourslash/completionsOverridingMethod.ts b/tests/cases/fourslash/completionsOverridingMethod.ts
@@ -129,8 +129,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"foo(param1: string, param2: boolean): Promise<void> {\n}\n",
+            insertText: "foo(param1: string, param2: boolean): Promise<void> {\n}",
         }
     ],
 });
@@ -152,8 +151,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"foo(a: string, b: string): string {\n}\n",
+            insertText: "foo(a: string, b: string): string {\n}",
         }
     ],
 });
@@ -175,8 +173,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"foo(a: string): string {\n}\n",
+            insertText: "foo(a: string): string {\n}",
         }
     ],
 });
@@ -198,8 +195,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"foo(a: string): string {\n}\n",
+            insertText: "foo(a: string): string {\n}",
         }
     ],
 });
@@ -221,8 +217,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"foo(a: string): string {\n}\n",
+            insertText: "foo(a: string): string {\n}",
         }
     ],
 });
@@ -244,8 +239,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"foo(a: string): string {\n}\n",
+            insertText: "foo(a: string): string {\n}",
         }
     ],
 });
@@ -268,9 +262,10 @@ verify.completions({
                 end: 0,
             },
             insertText:
-"foo(a: string): string;\n\
-foo(a: undefined, b: number): string;\n\
-foo(a: any, b?: any): string {\n}\n",
+`foo(a: string): string;
+foo(a: undefined, b: number): string;
+foo(a: any, b?: any): string {
+}`,
         }
     ],
 });
@@ -302,8 +297,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"met(n: number): number {\n}\n",
+            insertText: "met(n: number): number {\n}",
         }
     ],
 });
@@ -325,8 +319,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"met<T>(t: T): T {\n}\n",
+            insertText: "met<T>(t: T): T {\n}",
         },
         {
             name: "metcons",
@@ -336,8 +329,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"metcons<T extends string | number>(t: T): T {\n}\n",
+            insertText: "metcons<T extends string | number>(t: T): T {\n}",
         }
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod1.ts b/tests/cases/fourslash/completionsOverridingMethod1.ts
@@ -30,8 +30,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"override foo(a: string): void {\n}\n",
+            insertText: "override foo(a: string): void {\n}",
         }
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod10.ts b/tests/cases/fourslash/completionsOverridingMethod10.ts
@@ -0,0 +1,63 @@
+/// <reference path="fourslash.ts" />
+
+// @Filename: a.ts
+// @newline: LF
+// Case: formatting: semicolons
+////interface Base {
+////    a: string;
+////    b(a: string): void;
+////    c(a: string): string;
+////    c(a: number): number;
+////}
+////class Sub implements Base {
+////   /*a*/
+////}
+
+
+verify.completions({
+    marker: "a",
+    isNewIdentifierLocation: true,
+    preferences: {
+        includeCompletionsWithInsertText: true,
+        includeCompletionsWithSnippetText: false,
+        includeCompletionsWithClassMemberSnippets: true,
+    },
+    includes: [
+        {
+            name: "a",
+            sortText: completion.SortText.LocationPriority,
+            replacementSpan: {
+                fileName: "",
+                pos: 0,
+                end: 0,
+            },
+            insertText: "a: string;",
+        },
+        {
+            name: "b",
+            sortText: completion.SortText.LocationPriority,
+            replacementSpan: {
+                fileName: "",
+                pos: 0,
+                end: 0,
+            },
+            insertText:
+`b(a: string): void {
+}`,
+        },
+        {
+            name: "c",
+            sortText: completion.SortText.LocationPriority,
+            replacementSpan: {
+                fileName: "",
+                pos: 0,
+                end: 0,
+            },
+            insertText:
+`c(a: string): string;
+c(a: number): number;
+c(a: any): string | number {
+}`,
+        },
+    ],
+});
diff --git a/tests/cases/fourslash/completionsOverridingMethod2.ts b/tests/cases/fourslash/completionsOverridingMethod2.ts
@@ -29,8 +29,7 @@ verify.completions({
                 end: 0,
             },
             isSnippet: true,
-            insertText:
-"\"\\$usd\"(a: number): number {\n    $0\n}\n",
+            insertText: "\"\\$usd\"(a: number): number {\n    $0\n}",
         }
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod3.ts b/tests/cases/fourslash/completionsOverridingMethod3.ts
@@ -29,8 +29,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"boo(): string;\n",
+            insertText: "boo(): string;",
         }
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod4.ts b/tests/cases/fourslash/completionsOverridingMethod4.ts
@@ -48,7 +48,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "protected hint(): string {\n}\n",
+            insertText: "protected hint(): string {\n}",
         },
         {
             name: "refuse",
@@ -58,7 +58,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "public refuse(): string {\n}\n",
+            insertText: "public refuse(): string {\n}",
         }
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod5.ts b/tests/cases/fourslash/completionsOverridingMethod5.ts
@@ -34,7 +34,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "met(n: string): void {\n}\n",
+            insertText: "met(n: string): void {\n}",
         },
         {
             name: "met2",
@@ -44,7 +44,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "met2(n: number): void {\n}\n",
+            insertText: "met2(n: number): void {\n}",
         }
     ],
 });
@@ -66,7 +66,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "met(n: string): void;\n",
+            insertText: "met(n: string): void;",
         },
         {
             name: "met2",
@@ -76,7 +76,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "met2(n: number): void;\n",
+            insertText: "met2(n: number): void;",
         }
     ],
 });
@@ -98,7 +98,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "met(n: string): void;\n",
+            insertText: "met(n: string): void;",
         },
         {
             name: "met2",
@@ -108,7 +108,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "met2(n: number): void;\n",
+            insertText: "met2(n: number): void;",
         }
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod6.ts b/tests/cases/fourslash/completionsOverridingMethod6.ts
@@ -43,7 +43,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "method(): number {\n}\n",
+            insertText: "method(): number {\n}",
         },
     ],
 });
@@ -65,7 +65,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "method(): number;\n",
+            insertText: "method(): number;",
         },
     ],
 });
@@ -88,9 +88,10 @@ verify.completions({
                 end: 0,
             },
             insertText:
-                "fun(a: number): number;\n\
-public fun(a: undefined, b: string): number;\n\
-public fun(a: any, b?: any): number {\n}\n",
+`fun(a: number): number;
+public fun(a: undefined, b: string): number;
+public fun(a: any, b?: any): number {
+}`,
         },
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod7.ts b/tests/cases/fourslash/completionsOverridingMethod7.ts
@@ -31,8 +31,7 @@ verify.completions({
             },
             insertText:
 `M<T>(t: T): void;
-abstract M<T>(t: T, x: number): void;
-`,
+abstract M<T>(t: T, x: number): void;`,
         },
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingMethod8.ts b/tests/cases/fourslash/completionsOverridingMethod8.ts
@@ -32,7 +32,7 @@ verify.completions({
       pos: 0,
       end: 0,
     },
-    insertText: "method(p: I): void {\n}\n",
+    insertText: "method(p: I): void {\n}",
     hasAction: true,
     source: completion.CompletionSource.ClassMemberSnippet,
   }],
diff --git a/tests/cases/fourslash/completionsOverridingMethod9.ts b/tests/cases/fourslash/completionsOverridingMethod9.ts
@@ -28,7 +28,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "a?: number;\n"
+            insertText: "a?: number;"
         },
         {
             name: "b",
@@ -38,7 +38,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText: "b(x: number): void {\n}\n"
+            insertText: "b(x: number): void {\n}"
         },
     ],
 });
diff --git a/tests/cases/fourslash/completionsOverridingProperties.ts b/tests/cases/fourslash/completionsOverridingProperties.ts
@@ -5,7 +5,6 @@
 // Case: Properties
 ////class Base {
 ////    protected foo: string = "bar";
-////
 ////}
 ////
 ////class Sub extends Base {
@@ -32,8 +31,7 @@ verify.completions({
                 pos: 0,
                 end: 0,
             },
-            insertText:
-"protected foo: string;\n",
+            insertText: "protected foo: string;",
         }
     ],
 });
