fix spelling errors

scripts/eslint/rules/one-namespace-per-file.ts

@@ -10,7 +10,7 @@ export = createRule({
             recommended: "error",
         },
         messages: {
-            excessNamespaceError: `All but one of these namespaces should be moved into seperate files.`,
+            excessNamespaceError: `All but one of these namespaces should be moved into separate files.`,
         },
         schema: [],
         type: "problem",

src/compiler/checker.ts

@@ -5733,7 +5733,7 @@ namespace ts {
                                 // function g() {}
                                 // module.exports.g = g
                                 // ```
-                                // In such a situation, we have a local variable named `g`, and a seperate exported variable named `g`.
+                                // In such a situation, we have a local variable named `g`, and a separate exported variable named `g`.
                                 // Naively, we would emit
                                 // ```
                                 // function g() {}
@@ -32279,7 +32279,7 @@ namespace ts {
                     const sourceConstraint = constraint && getTypeFromTypeNode(constraint);
                     const targetConstraint = getConstraintOfTypeParameter(target);
                     // relax check if later interface augmentation has no constraint, it's more broad and is OK to merge with
-                    // a more constrained interface (this could be generalized to a full heirarchy check, but that's maybe overkill)
+                    // a more constrained interface (this could be generalized to a full hierarchy check, but that's maybe overkill)
                     if (sourceConstraint && targetConstraint && !isTypeIdenticalTo(sourceConstraint, targetConstraint)) {
                         return false;
                     }

src/compiler/watchPublic.ts

@@ -689,7 +689,7 @@ namespace ts {
 
                     let fileOrDirectoryPath: Path | undefined = toPath(fileOrDirectory);
 
-                    // Since the file existance changed, update the sourceFiles cache
+                    // Since the file existence changed, update the sourceFiles cache
                     if (cachedDirectoryStructureHost) {
                         cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath);
                     }

src/server/editorServices.ts

@@ -376,7 +376,7 @@ namespace ts.server {
          * openFilesImpactedByConfigFiles is a map of open files that would be impacted by this config file
          *   because these are the paths being looked up for their default configured project location
          * The value in the map is true if the open file is root of the inferred project
-         * It is false when the open file that would still be impacted by existance of
+         * It is false when the open file that would still be impacted by existence of
          *   this config file but it is not the root of inferred project
          */
         openFilesImpactedByConfigFile: Map<boolean>;
@@ -575,7 +575,7 @@ namespace ts.server {
          */
         private readonly projectToSizeMap: Map<number> = createMap<number>();
         /**
-         * This is a map of config file paths existance that doesnt need query to disk
+         * This is a map of config file paths existence that doesnt need query to disk
          * - The entry can be present because there is inferred project that needs to watch addition of config file to directory
          *   In this case the exists could be true/false based on config file is present or not
          * - Or it is present if we have configured project open with config file at that location
@@ -1426,7 +1426,7 @@ namespace ts.server {
         private setConfigFileExistenceByNewConfiguredProject(project: ConfiguredProject) {
             const configFileExistenceInfo = this.getConfigFileExistenceInfo(project);
             if (configFileExistenceInfo) {
-                // The existance might not be set if the file watcher is not invoked by the time config project is created by external project
+                // The existence might not be set if the file watcher is not invoked by the time config project is created by external project
                 configFileExistenceInfo.exists = true;
                 // close existing watcher
                 if (configFileExistenceInfo.configFileWatcherForRootOfInferredProject) {
@@ -2718,7 +2718,7 @@ namespace ts.server {
             // since info is added as root to the inferred project only when there are no other projects containing it
             // So when it is root of the inferred project and after project structure updates its now part
             // of multiple project it needs to be removed from that inferred project because:
-            // - references in inferred project supercede the root part
+            // - references in inferred project supersede the root part
             // - root / reference in non - inferred project beats root in inferred project
 
             // eg. say this is structure /a/b/a.ts /a/b/c.ts where c.ts references a.ts

src/server/project.ts

@@ -1744,7 +1744,7 @@ namespace ts.server {
 
     /**
      * If a file is opened, the server will look for a tsconfig (or jsconfig)
-     * and if successfull create a ConfiguredProject for it.
+     * and if successful create a ConfiguredProject for it.
      * Otherwise it will create an InferredProject.
      */
     export class ConfiguredProject extends Project {

src/services/formatting/formatting.ts

@@ -263,7 +263,7 @@ namespace ts.formatting {
 
                 const error = sorted[index];
                 if (r.end <= error.start!) {
-                    // specified range ends before the error refered by 'index' - no error in range
+                    // specified range ends before the error referred by 'index' - no error in range
                     return false;
                 }
 

src/testRunner/unittests/tsserver/occurences.ts

@@ -1,5 +1,5 @@
 namespace ts.projectSystem {
-    describe("unittests:: tsserver:: occurence highlight on string", () => {
+    describe("unittests:: tsserver:: occurrence highlight on string", () => {
         it("should be marked if only on string values", () => {
             const file1: File = {
                 path: "/a/b/file1.ts",

tests/baselines/reference/api/tsserverlibrary.d.ts

@@ -8880,7 +8880,7 @@ declare namespace ts.server {
     }
     /**
      * If a file is opened, the server will look for a tsconfig (or jsconfig)
-     * and if successfull create a ConfiguredProject for it.
+     * and if successful create a ConfiguredProject for it.
      * Otherwise it will create an InferredProject.
      */
     class ConfiguredProject extends Project {
@@ -9157,7 +9157,7 @@ declare namespace ts.server {
          */
         private readonly projectToSizeMap;
         /**
-         * This is a map of config file paths existance that doesnt need query to disk
+         * This is a map of config file paths existence that doesnt need query to disk
          * - The entry can be present because there is inferred project that needs to watch addition of config file to directory
          *   In this case the exists could be true/false based on config file is present or not
          * - Or it is present if we have configured project open with config file at that location

tests/baselines/reference/bpSpanDestructuringAssignmentStatementArrayBindingPattern.baseline

@@ -105,7 +105,7 @@
     >multiSkillB
     >:=> (line 22, col 3) to (line 22, col 14)
 --------------------------------
-23 >[, multiSkillB] = ["roomba", ["vaccum", "mopping"]];
+23 >[, multiSkillB] = ["roomba", ["vacuum", "mopping"]];
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (783 to 835)  SpanInfo: {"start":786,"length":11}
     >multiSkillB

tests/baselines/reference/bpSpanDestructuringAssignmentStatementArrayBindingPatternDefaultValues.baseline

@@ -105,7 +105,7 @@
     >multiSkillB = []
     >:=> (line 22, col 3) to (line 22, col 19)
 --------------------------------
-23 >[, multiSkillB = []] = ["roomba", ["vaccum", "mopping"]];
+23 >[, multiSkillB = []] = ["roomba", ["vacuum", "mopping"]];
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (817 to 874)  SpanInfo: {"start":820,"length":16}
     >multiSkillB = []

tests/baselines/reference/bpSpanDestructuringParameterArrayBindingPattern2.baseline

@@ -154,10 +154,10 @@
     >foo1(robotA)
     >:=> (line 18, col 0) to (line 18, col 12)
 --------------------------------
-19 >foo1(["roomba", ["vaccum", "mopping"]]);
+19 >foo1(["roomba", ["vacuum", "mopping"]]);
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     => Pos: (459 to 499)  SpanInfo: {"start":459,"length":39}
-    >foo1(["roomba", ["vaccum", "mopping"]])
+    >foo1(["roomba", ["vacuum", "mopping"]])
     >:=> (line 19, col 0) to (line 19, col 39)
 --------------------------------
 20 >foo2(robotA);
@@ -166,10 +166,10 @@
     >foo2(robotA)
     >:=> (line 20, col 0) to (line 20, col 12)
 --------------------------------
-21 >foo2(["roomba", ["vaccum", "mopping"]]);
+21 >foo2(["roomba", ["vacuum", "mopping"]]);
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     => Pos: (514 to 554)  SpanInfo: {"start":514,"length":39}
-    >foo2(["roomba", ["vaccum", "mopping"]])
+    >foo2(["roomba", ["vacuum", "mopping"]])
     >:=> (line 21, col 0) to (line 21, col 39)
 --------------------------------
 22 >foo3(robotA);
@@ -178,10 +178,10 @@
     >foo3(robotA)
     >:=> (line 22, col 0) to (line 22, col 12)
 --------------------------------
-23 >foo3(["roomba", ["vaccum", "mopping"]]);
+23 >foo3(["roomba", ["vacuum", "mopping"]]);
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     => Pos: (569 to 609)  SpanInfo: {"start":569,"length":39}
-    >foo3(["roomba", ["vaccum", "mopping"]])
+    >foo3(["roomba", ["vacuum", "mopping"]])
     >:=> (line 23, col 0) to (line 23, col 39)
 --------------------------------
 24 >foo4(robotA);
@@ -190,7 +190,7 @@
     >foo4(robotA)
     >:=> (line 24, col 0) to (line 24, col 12)
 --------------------------------
-25 >foo4(["roomba", ["vaccum", "mopping"]]);
+25 >foo4(["roomba", ["vacuum", "mopping"]]);
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~      => Pos: (624 to 663)  SpanInfo: {"start":624,"length":39}
-    >foo4(["roomba", ["vaccum", "mopping"]])
+    >foo4(["roomba", ["vacuum", "mopping"]])
     >:=> (line 25, col 0) to (line 25, col 39)

tests/baselines/reference/bpSpanDestructuringParameterArrayBindingPatternDefaultValues2.baseline

@@ -142,10 +142,10 @@
     >foo1(robotA)
     >:=> (line 18, col 0) to (line 18, col 12)
 --------------------------------
-19 >foo1(["roomba", ["vaccum", "mopping"]]);
+19 >foo1(["roomba", ["vacuum", "mopping"]]);
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     => Pos: (543 to 583)  SpanInfo: {"start":543,"length":39}
-    >foo1(["roomba", ["vaccum", "mopping"]])
+    >foo1(["roomba", ["vacuum", "mopping"]])
     >:=> (line 19, col 0) to (line 19, col 39)
 --------------------------------
 20 >foo2(robotA);
@@ -154,10 +154,10 @@
     >foo2(robotA)
     >:=> (line 20, col 0) to (line 20, col 12)
 --------------------------------
-21 >foo2(["roomba", ["vaccum", "mopping"]]);
+21 >foo2(["roomba", ["vacuum", "mopping"]]);
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     => Pos: (598 to 638)  SpanInfo: {"start":598,"length":39}
-    >foo2(["roomba", ["vaccum", "mopping"]])
+    >foo2(["roomba", ["vacuum", "mopping"]])
     >:=> (line 21, col 0) to (line 21, col 39)
 --------------------------------
 22 >foo3(robotA);
@@ -166,7 +166,7 @@
     >foo3(robotA)
     >:=> (line 22, col 0) to (line 22, col 12)
 --------------------------------
-23 >foo3(["roomba", ["vaccum", "mopping"]]);
+23 >foo3(["roomba", ["vacuum", "mopping"]]);
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~      => Pos: (653 to 692)  SpanInfo: {"start":653,"length":39}
-    >foo3(["roomba", ["vaccum", "mopping"]])
+    >foo3(["roomba", ["vacuum", "mopping"]])
     >:=> (line 23, col 0) to (line 23, col 39)

tests/baselines/reference/bpSpanDestructuringVariableStatementArrayBindingPattern2.baseline

@@ -68,28 +68,28 @@
 
     ~                                             => Pos: (365 to 365)  SpanInfo: undefined
 --------------------------------
-12 >let [nameMC] = ["roomba", ["vaccum", "mopping"]];
+12 >let [nameMC] = ["roomba", ["vacuum", "mopping"]];
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (366 to 415)  SpanInfo: {"start":371,"length":6}
     >nameMC
     >:=> (line 12, col 5) to (line 12, col 11)
 --------------------------------
-13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vaccum", "mopping"]];
+13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vacuum", "mopping"]];
 
     ~~~~~~~~~~~~~                                 => Pos: (416 to 428)  SpanInfo: {"start":421,"length":7}
     >nameMC2
     >:=> (line 13, col 5) to (line 13, col 12)
-13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vaccum", "mopping"]];
+13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vacuum", "mopping"]];
 
                  ~~~~~~~~~~~~~~~~                 => Pos: (429 to 444)  SpanInfo: {"start":431,"length":13}
     >primarySkillC
     >:=> (line 13, col 15) to (line 13, col 28)
-13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vaccum", "mopping"]];
+13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vacuum", "mopping"]];
 
                                  ~~~~~~~~~~~~~~~~~=> Pos: (445 to 461)  SpanInfo: {"start":446,"length":15}
     >secondarySkillC
     >:=> (line 13, col 30) to (line 13, col 45)
-13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vaccum", "mopping"]];
+13 >let [nameMC2, [primarySkillC, secondarySkillC]] = ["roomba", ["vacuum", "mopping"]];
 
                                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (462 to 500)  SpanInfo: {"start":430,"length":32}
     >[primarySkillC, secondarySkillC]

tests/baselines/reference/bpSpanDestructuringVariableStatementArrayBindingPatternDefaultValues2.baseline

@@ -60,25 +60,25 @@
     >[primarySkillA = "noSkill", secondarySkillA = "noSkill"] = ["noSkill", "noSkill"]
     >:=> (line 9, col 24) to (line 9, col 105)
 --------------------------------
-10 >let [nameMC = "noName" ] = ["roomba", ["vaccum", "mopping"]];
+10 >let [nameMC = "noName" ] = ["roomba", ["vacuum", "mopping"]];
 
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (453 to 514)  SpanInfo: {"start":458,"length":17}
     >nameMC = "noName"
     >:=> (line 10, col 5) to (line 10, col 22)
 --------------------------------
-11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vaccum", "mopping"]];
+11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vacuum", "mopping"]];
     ~~~~~~~~~~~~~~~~~~~~~~~~                      => Pos: (515 to 538)  SpanInfo: {"start":520,"length":18}
     >nameMC2 = "noName"
     >:=> (line 11, col 5) to (line 11, col 23)
-11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vaccum", "mopping"]];
+11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vacuum", "mopping"]];
                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (539 to 566)  SpanInfo: {"start":541,"length":25}
     >primarySkillC = "noSkill"
     >:=> (line 11, col 26) to (line 11, col 51)
-11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vaccum", "mopping"]];
+11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vacuum", "mopping"]];
                                                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (567 to 595)  SpanInfo: {"start":568,"length":27}
     >secondarySkillC = "noSkill"
     >:=> (line 11, col 53) to (line 11, col 80)
-11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vaccum", "mopping"]];
+11 >let [nameMC2 = "noName", [primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]] = ["roomba", ["vacuum", "mopping"]];
                                                                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=> Pos: (596 to 658)  SpanInfo: {"start":540,"length":81}
     >[primarySkillC = "noSkill", secondarySkillC = "noSkill"] = ["noSkill", "noSkill"]
     >:=> (line 11, col 25) to (line 11, col 106)

tests/baselines/reference/declFileWithInternalModuleNameConflictsInExtendsClause1.js

@@ -6,7 +6,7 @@ module X.A.C {
 module X.A.B.C {
     module A {
     }
-    export class W implements X.A.C.Z { // This needs to be refered as X.A.C.Z as A has conflict
+    export class W implements X.A.C.Z { // This needs to be referred as X.A.C.Z as A has conflict
     }
 }
 

tests/baselines/reference/declFileWithInternalModuleNameConflictsInExtendsClause1.symbols

@@ -17,7 +17,7 @@ module X.A.B.C {
     module A {
 >A : Symbol(A, Decl(declFileWithInternalModuleNameConflictsInExtendsClause1.ts, 4, 16))
     }
-    export class W implements X.A.C.Z { // This needs to be refered as X.A.C.Z as A has conflict
+    export class W implements X.A.C.Z { // This needs to be referred as X.A.C.Z as A has conflict
 >W : Symbol(W, Decl(declFileWithInternalModuleNameConflictsInExtendsClause1.ts, 6, 5))
 >X.A.C.Z : Symbol(X.A.C.Z, Decl(declFileWithInternalModuleNameConflictsInExtendsClause1.ts, 0, 14))
 >X.A.C : Symbol(C, Decl(declFileWithInternalModuleNameConflictsInExtendsClause1.ts, 0, 11))

tests/baselines/reference/declFileWithInternalModuleNameConflictsInExtendsClause1.types

@@ -11,7 +11,7 @@ module X.A.B.C {
 
     module A {
     }
-    export class W implements X.A.C.Z { // This needs to be refered as X.A.C.Z as A has conflict
+    export class W implements X.A.C.Z { // This needs to be referred as X.A.C.Z as A has conflict
 >W : W
 >X.A.C : any
 >X.A : typeof A

tests/baselines/reference/declFileWithInternalModuleNameConflictsInExtendsClause3.js

@@ -4,7 +4,7 @@ module X.A.C {
     }
 }
 module X.A.B.C {
-    export class W implements X.A.C.Z { // This needs to be refered as X.A.C.Z as A has conflict
+    export class W implements X.A.C.Z { // This needs to be referred as X.A.C.Z as A has conflict
     }
 }
 

tests/baselines/reference/declFileWithInternalModuleNameConflictsInExtendsClause3.symbols

@@ -14,7 +14,7 @@ module X.A.B.C {
 >B : Symbol(B, Decl(declFileWithInternalModuleNameConflictsInExtendsClause3.ts, 4, 11), Decl(declFileWithInternalModuleNameConflictsInExtendsClause3.ts, 9, 11))
 >C : Symbol(C, Decl(declFileWithInternalModuleNameConflictsInExtendsClause3.ts, 4, 13), Decl(declFileWithInternalModuleNameConflictsInExtendsClause3.ts, 9, 13))
 
-    export class W implements X.A.C.Z { // This needs to be refered as X.A.C.Z as A has conflict
+    export class W implements X.A.C.Z { // This needs to be referred as X.A.C.Z as A has conflict
 >W : Symbol(W, Decl(declFileWithInternalModuleNameConflictsInExtendsClause3.ts, 4, 16))
 >X.A.C.Z : Symbol(X.A.C.Z, Decl(declFileWithInternalModuleNameConflictsInExtendsClause3.ts, 0, 14))
 >X.A.C : Symbol(C, Decl(declFileWithInternalModuleNameConflictsInExtendsClause3.ts, 0, 11))

tests/baselines/reference/declFileWithInternalModuleNameConflictsInExtendsClause3.types

@@ -9,7 +9,7 @@ module X.A.B.C {
 >B : typeof B
 >C : typeof C
 
-    export class W implements X.A.C.Z { // This needs to be refered as X.A.C.Z as A has conflict
+    export class W implements X.A.C.Z { // This needs to be referred as X.A.C.Z as A has conflict
 >W : W
 >X.A.C : any
 >X.A : typeof A

tests/baselines/reference/mergeClassInterfaceAndModule.js

@@ -12,7 +12,7 @@ module C3 {}
 interface C3 {}
 
 module C4 {}
-declare class C4 {} // error -- class declaration must preceed module declaration
+declare class C4 {} // error -- class declaration must precede module declaration
 interface C4 {}
 
 //// [mergeClassInterfaceAndModule.js]

tests/baselines/reference/mergeClassInterfaceAndModule.symbols

@@ -29,7 +29,7 @@ interface C3 {}
 module C4 {}
 >C4 : Symbol(C4, Decl(mergeClassInterfaceAndModule.ts, 10, 15), Decl(mergeClassInterfaceAndModule.ts, 12, 12), Decl(mergeClassInterfaceAndModule.ts, 13, 19))
 
-declare class C4 {} // error -- class declaration must preceed module declaration
+declare class C4 {} // error -- class declaration must precede module declaration
 >C4 : Symbol(C4, Decl(mergeClassInterfaceAndModule.ts, 10, 15), Decl(mergeClassInterfaceAndModule.ts, 12, 12), Decl(mergeClassInterfaceAndModule.ts, 13, 19))
 
 interface C4 {}

tests/baselines/reference/mergeClassInterfaceAndModule.types

@@ -18,7 +18,7 @@ module C3 {}
 interface C3 {}
 
 module C4 {}
-declare class C4 {} // error -- class declaration must preceed module declaration
+declare class C4 {} // error -- class declaration must precede module declaration
 >C4 : C4
 
 interface C4 {}

tests/baselines/reference/parserNotRegex1.errors.txt

@@ -3,7 +3,7 @@ tests/cases/conformance/parser/ecmascript5/parserNotRegex1.ts(3,5): error TS1108
 
 
 ==== tests/cases/conformance/parser/ecmascript5/parserNotRegex1.ts (2 errors) ====
-      if (a.indexOf(-(4/3)))      // We should not get a regex here becuase of the / in the comment.
+      if (a.indexOf(-(4/3)))      // We should not get a regex here because of the / in the comment.
           ~
 !!! error TS2304: Cannot find name 'a'.
       {