nvim/lua/lsp/ts_ls.lua

-- TypeScript language server configuration
return {
    settings = {
        typescript = {
            inlayHints = {
                includeInlayParameterNameHints = "all",
                includeInlayParameterNameHintsWhenArgumentMatchesName = false,
                includeInlayFunctionParameterTypeHints = true,
                includeInlayVariableTypeHints = true,
                includeInlayPropertyDeclarationTypeHints = true,
                includeInlayFunctionLikeReturnTypeHints = true,
                includeInlayEnumMemberValueHints = true,
            },
        },
        javascript = {
            inlayHints = {
                includeInlayParameterNameHints = "all",
                includeInlayParameterNameHintsWhenArgumentMatchesName = false,
                includeInlayFunctionParameterTypeHints = true,
                includeInlayVariableTypeHints = true,
                includeInlayPropertyDeclarationTypeHints = true,
                includeInlayFunctionLikeReturnTypeHints = true,
                includeInlayEnumMemberValueHints = true,
            },
        },
    },
}