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jakebaileyjakebailey
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Test
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‎src/testRunner/unittests/tsc/projectReferences.ts

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@@ -76,4 +76,47 @@ describe("unittests:: tsc:: projectReferences::", () => {
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}),
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commandLineArgs: ["--p", "src/project"],
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});
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verifyTsc({
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scenario: "projectReferences",
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subScenario: "referencing ambient const enum as value from referenced project with preserveConstEnums",
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fs: () =>
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loadProjectFromFiles({
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"/src/utils/index.ts": "export const enum E { A = 1 }",
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"/src/utils/index.d.ts": "export declare const enum E { A = 1 }",
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"/src/utils/tsconfig.json": jsonToReadableText({
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compilerOptions: {
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composite: true,
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declaration: true,
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preserveConstEnums: true,
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},
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}),
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"/src/utilsNonPreserved/index.ts": "export const enum E2 { A = 1 }",
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"/src/utilsNonPreserved/index.d.ts": "export declare const enum E2 { A = 1 }",
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"/src/utilsNonPreserved/tsconfig.json": jsonToReadableText({
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compilerOptions: {
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composite: true,
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declaration: true,
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preserveConstEnums: false,
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},
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}),
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"/src/project/index.ts": `
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import { E } from "../utils";
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import { E2 } from "../utilsNonPreserved";
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E; declare const x: E; E[x];
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E2; declare const y: E2; E2[y];
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`,
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"/src/project/tsconfig.json": jsonToReadableText({
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compilerOptions: {
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isolatedModules: true,
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},
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references: [
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{ path: "../utils" },
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],
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}),
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}),
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commandLineArgs: ["--p", "src/project"],
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});
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});

‎src/testRunner/unittests/tsserver/projectReferences.ts

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@@ -376,6 +376,54 @@ function foo() {
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baselineTsserverLogs("projectReferences", `referencing const enum from referenced project with preserveConstEnums`, session);
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});
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it("referencing const enum as value from referenced project with preserveConstEnums", () => {
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const projectLocation = `/user/username/projects/project`;
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const utilsIndex: File = {
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path: `${projectLocation}/src/utils/index.ts`,
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content: "export const enum E { A = 1 }",
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};
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const utilsDeclaration: File = {
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path: `${projectLocation}/src/utils/index.d.ts`,
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content: "export declare const enum E { A = 1 }",
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};
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const utilsConfig: File = {
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path: `${projectLocation}/src/utils/tsconfig.json`,
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content: jsonToReadableText({ compilerOptions: { composite: true, declaration: true, preserveConstEnums: true } }),
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};
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const utilsNonPreservedIndex: File = {
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path: `${projectLocation}/src/utilsNonPreserved/index.ts`,
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content: "export const enum E2 { A = 1 }",
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};
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const utilsNonPreservedDeclaration: File = {
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path: `${projectLocation}/src/utilsNonPreserved/index.d.ts`,
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content: "export declare const enum E2 { A = 1 }",
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};
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const utilsNonPreservedConfig: File = {
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path: `${projectLocation}/src/utilsNonPreserved/tsconfig.json`,
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content: jsonToReadableText({ compilerOptions: { composite: true, declaration: true, preserveConstEnums: false } }),
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};
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const projectIndex: File = {
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path: `${projectLocation}/src/project/index.ts`,
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content: `
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import { E } from "../utils";
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import { E2 } from "../utilsNonPreserved";
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E; declare const x: E; E[x];
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E2; declare const y: E2; E2[y];
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`,
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};
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const projectConfig: File = {
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path: `${projectLocation}/src/project/tsconfig.json`,
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content: jsonToReadableText({ compilerOptions: { isolatedModules: true }, references: [{ path: "../utils" }, { path: "../utilsNoPreserved" }] }),
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};
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const host = createServerHost([libFile, utilsIndex, utilsDeclaration, utilsConfig, utilsNonPreservedIndex, utilsNonPreservedDeclaration, utilsNonPreservedConfig, projectIndex, projectConfig]);
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const session = new TestSession(host);
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openFilesForSession([projectIndex], session);
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verifyGetErrRequest({ session, files: [projectIndex] });
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baselineTsserverLogs("projectReferences", `referencing const enum as value from referenced project with preserveConstEnums`, session);
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});
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describe("when references are monorepo like with symlinks", () => {
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interface Packages {
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bPackageJson: File;

‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=false).errors.txt

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constEnumUsedAsValue.ts(9,1): error TS2475: 'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment or type query.
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constEnumUsedAsValue.ts(10,3): error TS2476: A const enum member can only be accessed using a string literal.
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==== constEnumUsedAsValue.ts (2 errors) ====
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const enum E {
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A,
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B,
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C,
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}
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declare const x: E;
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E;
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~
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!!! error TS2475: 'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment or type query.
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E[x];
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~
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!!! error TS2476: A const enum member can only be accessed using a string literal.

‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=false).js

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//// [tests/cases/compiler/constEnumUsedAsValue.ts] ////
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//// [constEnumUsedAsValue.ts]
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const enum E {
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A,
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B,
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C,
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}
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declare const x: E;
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E;
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E[x];
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//// [constEnumUsedAsValue.js]
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"use strict";
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E;
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E[x];

‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=false).symbols

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//// [tests/cases/compiler/constEnumUsedAsValue.ts] ////
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=== constEnumUsedAsValue.ts ===
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const enum E {
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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A,
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>A : Symbol(E.A, Decl(constEnumUsedAsValue.ts, 0, 14))
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B,
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>B : Symbol(E.B, Decl(constEnumUsedAsValue.ts, 1, 6))
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C,
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>C : Symbol(E.C, Decl(constEnumUsedAsValue.ts, 2, 6))
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}
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declare const x: E;
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>x : Symbol(x, Decl(constEnumUsedAsValue.ts, 6, 13))
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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E;
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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E[x];
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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>x : Symbol(x, Decl(constEnumUsedAsValue.ts, 6, 13))
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‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=false).types

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//// [tests/cases/compiler/constEnumUsedAsValue.ts] ////
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=== constEnumUsedAsValue.ts ===
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const enum E {
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>E : E
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> : ^
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A,
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>A : E.A
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> : ^^^
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B,
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>B : E.B
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> : ^^^
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C,
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>C : E.C
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> : ^^^
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}
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declare const x: E;
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>x : E
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> : ^
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E;
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>E : typeof E
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> : ^^^^^^^^
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E[x];
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>E[x] : any
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> : ^^^
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>E : typeof E
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> : ^^^^^^^^
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>x : E
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> : ^
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‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=true).errors.txt

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constEnumUsedAsValue.ts(9,1): error TS2475: 'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment or type query.
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constEnumUsedAsValue.ts(10,3): error TS2476: A const enum member can only be accessed using a string literal.
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==== constEnumUsedAsValue.ts (2 errors) ====
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const enum E {
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A,
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B,
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C,
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}
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declare const x: E;
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E;
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~
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!!! error TS2475: 'const' enums can only be used in property or index access expressions or the right hand side of an import declaration or export assignment or type query.
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E[x];
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~
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!!! error TS2476: A const enum member can only be accessed using a string literal.

‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=true).js

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//// [tests/cases/compiler/constEnumUsedAsValue.ts] ////
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//// [constEnumUsedAsValue.ts]
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const enum E {
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A,
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B,
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C,
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}
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declare const x: E;
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E;
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E[x];
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//// [constEnumUsedAsValue.js]
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"use strict";
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var E;
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(function (E) {
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E[E["A"] = 0] = "A";
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E[E["B"] = 1] = "B";
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E[E["C"] = 2] = "C";
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})(E || (E = {}));
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E;
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E[x];

‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=true).symbols

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//// [tests/cases/compiler/constEnumUsedAsValue.ts] ////
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=== constEnumUsedAsValue.ts ===
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const enum E {
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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A,
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>A : Symbol(E.A, Decl(constEnumUsedAsValue.ts, 0, 14))
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B,
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>B : Symbol(E.B, Decl(constEnumUsedAsValue.ts, 1, 6))
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C,
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>C : Symbol(E.C, Decl(constEnumUsedAsValue.ts, 2, 6))
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}
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declare const x: E;
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>x : Symbol(x, Decl(constEnumUsedAsValue.ts, 6, 13))
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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E;
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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E[x];
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>E : Symbol(E, Decl(constEnumUsedAsValue.ts, 0, 0))
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>x : Symbol(x, Decl(constEnumUsedAsValue.ts, 6, 13))
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‎tests/baselines/reference/constEnumUsedAsValue(preserveconstenums=true).types

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//// [tests/cases/compiler/constEnumUsedAsValue.ts] ////
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=== constEnumUsedAsValue.ts ===
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const enum E {
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>E : E
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> : ^
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A,
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>A : E.A
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> : ^^^
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B,
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>B : E.B
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> : ^^^
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C,
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>C : E.C
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> : ^^^
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}
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declare const x: E;
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>x : E
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> : ^
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E;
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>E : typeof E
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> : ^^^^^^^^
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E[x];
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>E[x] : any
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> : ^^^
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>E : typeof E
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> : ^^^^^^^^
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>x : E
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> : ^
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