From 656f35649593353d654806032dd3c412262b0299 Mon Sep 17 00:00:00 2001
From: Wesley Wigham <wwigham@gmail.com>
Date: Mon, 2 Jul 2018 10:47:24 -0700
Subject: [PATCH] Remove deprecated escapeidentifier and unescapeidentifier
 functions (#25333)

---
 src/compiler/utilities.ts                      | 18 ------------------
 .../reference/api/tsserverlibrary.d.ts         | 12 ------------
 tests/baselines/reference/api/typescript.d.ts  |  7 -------
 3 files changed, 37 deletions(-)

diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 618526fada1..ab2ea4498dd 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -559,14 +559,6 @@ namespace ts {
         return (identifier.length >= 2 && identifier.charCodeAt(0) === CharacterCodes._ && identifier.charCodeAt(1) === CharacterCodes._ ? "_" + identifier : identifier) as __String;
     }
 
-    /**
-     * @deprecated Use `id.escapedText` to get the escaped text of an Identifier.
-     * @param identifier The identifier to escape
-     */
-    export function escapeIdentifier(identifier: string): string {
-        return identifier;
-    }
-
     // Make an identifier from an external module name by extracting the string after the last "/" and replacing
     // all non-alphanumeric characters with underscores
     export function makeIdentifierFromModuleName(moduleName: string): string {
@@ -4792,16 +4784,6 @@ namespace ts {
         return unescapeLeadingUnderscores(symbol.escapedName);
     }
 
-    /**
-     * Remove extra underscore from escaped identifier text content.
-     * @deprecated Use `id.text` for the unescaped text.
-     * @param identifier The escaped identifier text.
-     * @returns The unescaped identifier text.
-     */
-    export function unescapeIdentifier(id: string): string {
-        return id;
-    }
-
     /**
      * A JSDocTypedef tag has an _optional_ name field - if a name is not directly present, we should
      * attempt to draw the name from the node the declaration is on (as that declaration is what its' symbol
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index a58523852cb..8389028a8fc 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -6104,11 +6104,6 @@ declare namespace ts {
     function getLiteralText(node: LiteralLikeNode, sourceFile: SourceFile): string;
     function getTextOfConstantValue(value: string | number): string;
     function escapeLeadingUnderscores(identifier: string): __String;
-    /**
-     * @deprecated Use `id.escapedText` to get the escaped text of an Identifier.
-     * @param identifier The identifier to escape
-     */
-    function escapeIdentifier(identifier: string): string;
     function makeIdentifierFromModuleName(moduleName: string): string;
     function isBlockOrCatchScoped(declaration: Declaration): boolean;
     function isCatchClauseVariableDeclarationOrBindingElement(declaration: Declaration): boolean;
@@ -6707,13 +6702,6 @@ declare namespace ts {
     function unescapeLeadingUnderscores(identifier: __String): string;
     function idText(identifier: Identifier): string;
     function symbolName(symbol: Symbol): string;
-    /**
-     * Remove extra underscore from escaped identifier text content.
-     * @deprecated Use `id.text` for the unescaped text.
-     * @param identifier The escaped identifier text.
-     * @returns The unescaped identifier text.
-     */
-    function unescapeIdentifier(id: string): string;
     function getNameOfJSDocTypedef(declaration: JSDocTypedefTag): Identifier | undefined;
     /** @internal */
     function isNamedDeclaration(node: Node): node is NamedDeclaration & {
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 99cc7989375..6b63e3febda 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -3180,13 +3180,6 @@ declare namespace ts {
     function unescapeLeadingUnderscores(identifier: __String): string;
     function idText(identifier: Identifier): string;
     function symbolName(symbol: Symbol): string;
-    /**
-     * Remove extra underscore from escaped identifier text content.
-     * @deprecated Use `id.text` for the unescaped text.
-     * @param identifier The escaped identifier text.
-     * @returns The unescaped identifier text.
-     */
-    function unescapeIdentifier(id: string): string;
     function getNameOfJSDocTypedef(declaration: JSDocTypedefTag): Identifier | undefined;
     function getNameOfDeclaration(declaration: Declaration | Expression): DeclarationName | undefined;
     /**