Emacs LSP & yasnippet config

go-config.el

;;; go-config.el --- Summary
;;; Commentary:
;;; Code:

(setenv "GOPATH" "/home/sean/Code/Go")

(use-package go-mode
  :ensure t
  :defer t
  :mode "\\.go\\'"
  :bind (:map go-mode-map
              ("C-c i" . go-goto-imports)
              ("C-c C-r" . go-remove-unused-imports)
              ("C-c C-t" . go-test-current-file)
              ("M-." . godef-jump))
  :config
  (add-hook 'before-save-hook 'gofmt-before-save)
  (go-eldoc-setup)
  
  (use-package dap-go)
  
  (use-package godoc
    :bind (:map go-mode-map ("C-c C-k" . godoc-at-point)))
  
  (use-package go-add-tags
    :ensure t
    :bind (:map go-mode-map ("C-c '" . go-add-tags))
    :commands go-add-tags)
  
  (use-package go-eldoc
    :ensure t
    :init
    (add-hook 'go-mode-hook 'go-eldoc-setup))
  
  (use-package helm-go-package
    :ensure t
    :config
    (substitute-key-definition 'go-import-add 'helm-go-package go-mode-map))
  
  (use-package go-playground
    :ensure t)
  
  (use-package go-direx
    :ensure t
    :bind (:map go-mode-map
                ("C-c C-j" . go-direx-pop-to-buffer))))

(provide 'go-config)
;;; go-config.el ends here

lsp-config.el

;;; lsp-config.el --- Summary
;;; Commentary:
;;; Code:
(message "Loading lsp config")
(use-package lsp-mode
  :ensure t
  :commands lsp
  :defer t
  :hook (go-mode . lsp)
  :config
  (setq lsp-eldoc-enable-hover t
        lsp-eldoc-enable-signature-help t
        lsp-eldoc-prefer-signature-help t
        lsp-response-timeout 5)
  :init
  (unless (executable-find "/home/sean/Code/Go/bin/gopls")
    (user-error "Go LSP server is not on PATH\n"))
  (add-hook 'prog-mode-hook #'lsp)
  (setq lsp-prefer-flymake :none))

(use-package lsp-ui
  :ensure t
  :defer t
  :commands lsp-ui-mode
  :config
  (setq lsp-ui-doc-enable nil
        lsp-ui-doc-max-width 70
        lsp-ui-peek-enable t
        lsp-ui-peek-always-show nil
        lsp-ui-sideline-enable nil))

(use-package company-lsp
  :ensure t
  :defer t
  :commands company-lsp
  :config
  (push 'company-lsp company-backends))

(provide 'lsp-config)
;;; lsp-config.el ends here

yasnippet-config.el

;;; yasnippet-config -- Summary
;;; Commentary:
;;; Code:
(message "Loading yasnippet config")

(use-package yasnippet
  :ensure t
  :diminish yas-minor-mode
  :bind (:map yas-minor-mode-map
              ("C-c C-e" . yas-expand))
  
  :config
  (yas-reload-all)
  (add-hook 'prog-mode-hook #'yas-minor-mode)
  ;;(yas-global-mode 1)
  (setq yas-prompt-functions '(yas-dropdown-prompt
                               yas-ido-prompt
                               yas-completing-prompt)))

(provide 'yasnippet-config)
;;; yasnippet-config.el ends here