const enum is not work

[sgjm]

project like:

├─dist
│  └─main.js
├─src
│  └─main.ts
└─tsconfig.json

tsconfig.json is

{
    "compilerOptions": {
        "module": "amd",
        "lib": [
            "dom",
            "esnext"
        ],
        "target": "esnext",
        "removeComments": true,
        "outDir": "./dist"
    },
    "include": [
        "./src/*.ts"
    ]
}

main.ts is

const enum TE {
    A = 1,
    B = 2,
    C = 3,
}

console.log(TE.A)
console.log(TE.B)

tsc out file main.js is:

console.log(1);
console.log(2);

tsgo out file main.js is:

var TE;
(function (TE) {
    TE[TE["A"] = 1] = "A";
    TE[TE["B"] = 2] = "B";
    TE[TE["C"] = 3] = "C";
})(TE || (TE = {}));
console.log(TE.A);
console.log(TE.B);

it seems compile option "preserveConstEnums": false is not work!

[gauravanand867]

I believe you are using tsc for compilation, so you should include these additional compile options as below:

"preserveConstEnums": false
"isolatedModules": false

If you are using Babel/SWC/Next.j then avoid using const enum and include below :

"preserveConstEnums": true
"isolatedModules": true

[sgjm]

I believe you are using tsc for compilation, so you should include these additional compile options as below:

"preserveConstEnums": false
"isolatedModules": false

If you are using Babel/SWC/Next.j then avoid using const enum and include below :

"preserveConstEnums": true
"isolatedModules": true

Tks. the problem remains. Perhaps there's another factor.

[gauravanand867]

What is the current issue

[sgjm]

What is the current issue

I changed tsconfig.json to

{
    "compilerOptions": {
        "module": "amd",
        "lib": [
            "dom",
            "esnext"
        ],
        "target": "esnext",
        "removeComments": true,
        "outDir": "./dist",

        "preserveConstEnums": false,
        "isolatedModules": false

    },
    "include": [
        "./src/*.ts"
    ]
}

tsgo output file main.js is:

var TE;
(function (TE) {
    TE[TE["A"] = 1] = "A";
    TE[TE["B"] = 2] = "B";
    TE[TE["C"] = 3] = "C";
})(TE || (TE = {}));
console.log(TE.A);
console.log(TE.B);

Problem:

• TE should not appear in the result
• TE.A and TE.B are not replaced with 1 and 2

The output file is expected to have only 2 lines:

console.log(1);
console.log(2);