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;;; js2r-conditionals.el --- Conditional refactoring functions for js2-refactor -*- lexical-binding: t; -*-
;; Copyright (C) 2012-2014 Magnar Sveen
;; Copyright (C) 2015-2016 Magnar Sveen and Nicolas Petton
;; Author: Magnar Sveen <magnars@gmail.com>,
;; Nicolas Petton <nicolas@petton.fr>
;; Keywords: conveniences
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(require 's)
(require 'js2r-helpers)
(defun js2r-ternary-to-if ()
"Convert a ternary operator to an if-statement."
(interactive)
(js2r--guard)
(js2r--wait-for-parse
(save-excursion
(let* ((ternary (js2r--closest 'js2-cond-node-p))
(test-expr (js2-node-string (js2-cond-node-test-expr ternary)))
(true-expr (js2-node-string (js2-cond-node-true-expr ternary)))
(false-expr (js2-node-string (js2-cond-node-false-expr ternary)))
(stmt (js2-node-parent-stmt ternary))
(stmt-pre (buffer-substring (js2-node-abs-pos stmt) (js2-node-abs-pos ternary)))
(stmt-post (s-trim (buffer-substring (js2-node-abs-end ternary) (js2-node-abs-end stmt))))
(beg (js2-node-abs-pos stmt)))
(goto-char beg)
(delete-char (js2-node-len stmt))
(insert "if (" test-expr ") {")
(newline)
(insert stmt-pre true-expr stmt-post)
(newline)
(insert "} else {")
(newline)
(insert stmt-pre false-expr stmt-post)
(newline)
(insert "}")
(indent-region beg (point))))))
(provide 'js2r-conditionals)
;;; js2r-conditionals ends here
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