Function removeExtensionAndIndexPostFix

test/fixtures/snapshot/typescript.js:122620–122644

(fileName, ending, options, host)

            });
        }
        function removeExtensionAndIndexPostFix(fileName, ending, options, host) {
            if (ts.fileExtensionIsOneOf(fileName, [".json" /* Extension.Json */, ".mjs" /* Extension.Mjs */, ".cjs" /* Extension.Cjs */]))
                return fileName;
            var noExtension = ts.removeFileExtension(fileName);
            if (fileName === noExtension)
                return fileName;
            if (ts.fileExtensionIsOneOf(fileName, [".d.mts" /* Extension.Dmts */, ".mts" /* Extension.Mts */, ".d.cts" /* Extension.Dcts */, ".cts" /* Extension.Cts */]))
                return noExtension + getJSExtensionForFile(fileName, options);
            switch (ending) {
                case 0 /* Ending.Minimal */:
                    var withoutIndex = ts.removeSuffix(noExtension, "/index");
                    if (host && withoutIndex !== noExtension && tryGetAnyFileFromPath(host, withoutIndex)) {
                        // Can't remove index if there's a file by the same name as the directory.
                        // Probably more callers should pass `host` so we can determine this?
                        return noExtension;
                    }
                    return withoutIndex;
                case 1 /* Ending.Index */:
                    return noExtension;
                case 2 /* Ending.JsExtension */:
                    return noExtension + getJSExtensionForFile(fileName, options);
                default:
                    return ts.Debug.assertNever(ending);
            }
        }
        function getJSExtensionForFile(fileName, options) {
            var _a;
            return (_a = tryGetJSExtensionForFile(fileName, options)) !== null && _a !== void 0 ? _a : ts.Debug.fail("Extension ".concat(ts.extensionFromPath(fileName), " is unsupported:: FileName:: ").concat(fileName));