Add stdin support in runner (#2535)

* Add stdin support in runner

* Add stdin support for javascript

autoload/SpaceVim/api/job.vim

@@ -272,6 +272,17 @@ function! s:self.info(id) abort
   endif
 endfunction
 
+function! s:self.chanclose(id, type) abort
+  if self.nvim_job
+      call chanclose(a:id, a:type)
+  elseif self.vim_job
+    if has_key(self.jobs, a:id) && a:type ==# 'stdin'
+      call ch_close_in(get(self.jobs, a:id))
+    endif
+  endif
+endfunction
+
+
 function! s:self.debug() abort
   echo join(self._message, "\n")
 endfunction

autoload/SpaceVim/layers/lang/javascript.vim

@@ -51,7 +51,11 @@ function! SpaceVim#layers#lang#javascript#config() abort
 
   call add(g:spacevim_project_rooter_patterns, 'package.json')
 
-  call SpaceVim#plugins#runner#reg_runner('javascript', 'node %s')
+  call SpaceVim#plugins#runner#reg_runner('javascript', {
+        \ 'exe' : 'node',
+        \ 'usestdin' : 1,
+        \ 'opt': ['-'],
+        \ })
   call SpaceVim#mapping#space#regesit_lang_mappings('javascript',
         \ function('s:on_ft'))
 

autoload/SpaceVim/plugins/runner.vim

@@ -72,10 +72,19 @@ function! s:async_run(runner) abort
           \ 'on_exit' : function('s:on_compile_exit'),
           \ })
   elseif type(a:runner) == type({})
+    if type(a:runner.exe) == 2
       let exe = call(a:runner.exe, [])
+    elseif type(a:runner.exe) ==# type('')
+      let exe = [a:runner.exe]
+    endif
+    let usestdin = get(a:runner, 'usestdin', 0)
+    if usestdin
+      let cmd = exe + a:runner.opt
+    else
       let cmd = exe + a:runner.opt + [get(s:, 'selected_file', bufname('%'))]
+    endif
     call SpaceVim#logger#info('   cmd:' . string(cmd))
-    call s:BUFFER.buf_set_lines(s:bufnr, s:lines , s:lines + 3, 0, ['[Running] ' . join(cmd), '', repeat('-', 20)])
+    call s:BUFFER.buf_set_lines(s:bufnr, s:lines , s:lines + 3, 0, ['[Running] ' . join(cmd) . (usestdin ? ' STDIN' : ''), '', repeat('-', 20)])
     let s:lines += 3
     let s:start_time = reltime()
     let s:job_id =  s:JOB.start(cmd,{
@@ -83,6 +92,10 @@ function! s:async_run(runner) abort
           \ 'on_stderr' : function('s:on_stderr'),
           \ 'on_exit' : function('s:on_exit'),
           \ })
+    if usestdin
+      call s:JOB.send(s:job_id, getline(1, '$'))
+      call s:JOB.chanclose(s:job_id, 'stdin')
+    endif
   endif
 endfunction
 

docs/_posts/2019-01-27-use-vim-as-a-javascript-ide.md

@@ -80,7 +80,7 @@ SpaceVim 自带工程管理插件，可以识别项目根目录，自动跳转al
 
 在编辑 JavaScript 文件时，可以快速运行当前文件，这个功能有点类似于 vscode 的 code runner 插件，默认的快捷键是 `SPC l r`。按下后，
 会在屏幕下方打开一个插件窗口，运行的结果会被展示在窗口内。于此同时，光标并不会跳到该插件窗口，避免影响编辑。在这里需要说明下，
-这一功能是根据当前文件的路径调用相对应的 `coffee` 命令。因此，在执行这个快捷键之前，应当先保存一下该文件。
+这一功能是根据当前缓存器调用相对应的 `node` 命令，无需保存文件。
 
 ![jsrunner](https://user-images.githubusercontent.com/13142418/51972835-4cf12d00-24b7-11e9-9693-5e1eea9853b0.png)
 

docs/_posts/2019-01-30-use-vim-as-a-javascript-ide.md

@@ -74,8 +74,8 @@ with this configuration, you can jump between the source code and test file via
 
 ### running code
 
-To run current script, you can press `SPC l r`, and a split windows
-will be openen, the output of the script will be shown in this windows.
+To run code in current buffer, you can press `SPC l r`, and a split windows
+will be openen, the output will be shown in this windows.
 It is running asynchronously, and will not block your vim.
 
 ![jsrunner](https://user-images.githubusercontent.com/13142418/51972835-4cf12d00-24b7-11e9-9693-5e1eea9853b0.png)

docs/layers/lang/javascript.md

@@ -14,6 +14,7 @@ description: "This layer is for JaveScript development"
 - [Key bindings](#key-bindings)
   - [Import key bindings](#import-key-bindings)
   - [Generate key bindings](#generate-key-bindings)
+  - [Code runner](#code-runner)
   - [Inferior REPL process](#inferior-repl-process)
 
 <!-- vim-markdown-toc -->
@@ -72,6 +73,11 @@ enable_flow_syntax = true
 | ------------- | ----------- | ------------------------------------- |
 | normal        | `SPC l g d` | Generate JSDoc                        |
 
+### Code runner
+
+To run javascript code in current buffer, you can press `SPC l r`. It will run without loss focus,
+and the result will be shown in a runner buffer.
+
 ### Inferior REPL process
 
 Start a `node -i` inferior REPL process with `SPC l s i`.

docs/layers/lang/lua.md

@@ -62,4 +62,4 @@ Send code to inferior process commands:
 
 ### Running current script
 
-To running a ruby script, you can press `SPC l r` to run current file without loss focus, and the result will be shown in a runner buffer.
+To running a lua script, you can press `SPC l r` to run current file without loss focus, and the result will be shown in a runner buffer.