enforce triple-equals

src/harness/fourslash.ts

@@ -2275,13 +2275,13 @@ namespace FourSlash {
 
         public verifyImportFixAtPosition(expectedTextArray: string[], errorCode?: number) {
             const ranges = this.getRanges();
-            if (ranges.length == 0) {
+            if (ranges.length === 0) {
                 this.raiseError("At least one range should be specified in the testfile.");
             }
 
             const codeFixes = this.getCodeFixActions(this.activeFile.fileName, errorCode);
 
-            if (!codeFixes || codeFixes.length == 0) {
+            if (!codeFixes || codeFixes.length === 0) {
                 this.raiseError("No codefixes returned.");
             }
 
@@ -2646,7 +2646,7 @@ namespace FourSlash {
         private assertItemInCompletionList(items: ts.CompletionEntry[], name: string, text?: string, documentation?: string, kind?: string, spanIndex?: number) {
             for (const item of items) {
                 if (item.name === name) {
-                    if (documentation != undefined || text !== undefined) {
+                    if (documentation !== undefined || text !== undefined) {
                         const details = this.getCompletionEntryDetails(item.name);
 
                         if (documentation !== undefined) {
@@ -2899,7 +2899,7 @@ ${code}
                 }
                 // TODO: should be '==='?
             }
-            else if (line == "" || lineLength === 0) {
+            else if (line === "" || lineLength === 0) {
                 // Previously blank lines between fourslash content caused it to be considered as 2 files,
                 // Remove this behavior since it just causes errors now
             }

src/harness/harness.ts

@@ -1933,7 +1933,7 @@ namespace Harness {
                 }
 
                 const parentDirectory = IO.directoryName(dirName);
-                if (parentDirectory != "") {
+                if (parentDirectory !== "") {
                     createDirectoryStructure(parentDirectory);
                 }
                 IO.createDirectory(dirName);

src/harness/projectsRunner.ts

@@ -112,7 +112,7 @@ class ProjectRunner extends RunnerBase {
                     // Replace the disk specific path into the project root path
                     url = url.substr(diskProjectPath.length);
                     // TODO: should be '!=='?
-                    if (url.charCodeAt(0) != ts.CharacterCodes.slash) {
+                    if (url.charCodeAt(0) !== ts.CharacterCodes.slash) {
                         url = "/" + url;
                     }
                 }

src/harness/sourceMapRecorder.ts

@@ -50,11 +50,11 @@ namespace Harness.SourceMapRecorder {
                 return true;
             }
 
-            if (sourceMapMappings.charAt(decodingIndex) == ",") {
+            if (sourceMapMappings.charAt(decodingIndex) === ",") {
                 return true;
             }
 
-            if (sourceMapMappings.charAt(decodingIndex) == ";") {
+            if (sourceMapMappings.charAt(decodingIndex) === ";") {
                 return true;
             }
 
@@ -117,7 +117,7 @@ namespace Harness.SourceMapRecorder {
             }
 
             while (decodingIndex < sourceMapMappings.length) {
-                if (sourceMapMappings.charAt(decodingIndex) == ";") {
+                if (sourceMapMappings.charAt(decodingIndex) === ";") {
                     // New line
                     decodeOfEncodedMapping.emittedLine++;
                     decodeOfEncodedMapping.emittedColumn = 1;
@@ -125,7 +125,7 @@ namespace Harness.SourceMapRecorder {
                     continue;
                 }
 
-                if (sourceMapMappings.charAt(decodingIndex) == ",") {
+                if (sourceMapMappings.charAt(decodingIndex) === ",") {
                     // Next entry is on same line - no action needed
                     decodingIndex++;
                     continue;

src/harness/unittests/tsserverProjectSystem.ts

@@ -3144,7 +3144,7 @@ namespace ts.projectSystem {
             checkNumberOfInferredProjects(projectService, 1);
 
             const configuredProject = projectService.configuredProjects[0];
-            assert.isTrue(configuredProject.getFileNames().length == 0);
+            assert.isTrue(configuredProject.getFileNames().length === 0);
 
             const inferredProject = projectService.inferredProjects[0];
             assert.isTrue(inferredProject.containsFile(<server.NormalizedPath>file1.path));

src/harness/unittests/versionCache.ts

@@ -278,7 +278,7 @@ and grew 1cm per day`;
                 const insertString = testContent.substring(rsa[i], rsa[i] + las[i]);
                 svc.edit(ersa[i], elas[i], insertString);
                 checkText = editFlat(ersa[i], elas[i], insertString, checkText);
-                if (0 == (i % 4)) {
+                if (0 === (i % 4)) {
                     const snap = svc.getSnapshot();
                     const snapText = snap.getText(0, checkText.length);
                     assert.equal(checkText, snapText);