Overwrites string arguments when using tern completion

[strange]

Description

Arguments are replaced when a string is present as an argument to a function during completion in JavaScript files.

Steps to reproduce

Open test.js and enter the following:

const longVariableName = 'abc';
console.log('abc', lo

The pum is displayed and I select longVariableName.

Expected outcome

longVariableName is inserted as an argument and the editor displays the following:

const longVariableName = 'abc';
console.log('abc', longVariableName

Actual outcome

longVariableName is inserted, but all other arguments are removed:

const longVariableName = 'abc';
console.log(longVariableName

It seems to erase back to the first quotation mark of the first string argument. Other arguments such as variable names, integers, booleans etc are unaffected.

Context

:version                                                                                                                                                                       
VIM - Vi IMproved 8.1 (2018 May 18, compiled Dec  8 2018 11:23:48)                                                                                                             
Included patches: 1-570                                                                                                                                                        
Compiled by Arch Linux                                                                                                                                                         
Huge version with GTK3 GUI.  Features included (+) or not (-):                                                                                                                 
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+byte_offset       +dialog_con_gui    -footer            +listcmds          +mouse_urxvt       +python/dyn        +tag_old_static    +virtualedit       +xterm_clipboard       
+channel           +diff              +fork()            +localmap          +mouse_xterm       +python3/dyn       -tag_any_white     +visual            -xterm_save            
+cindent           +digraphs          +gettext           +lua/dyn           +multi_byte        +quickfix          +tcl/dyn           +visualextra                              
+clientserver      +dnd               -hangul_input      +menu              +multi_lang        +reltime           +termguicolors     +viminfo                                  
+clipboard         -ebcdic            +iconv             +mksession         -mzscheme          +rightleft         +terminal          +vreplace                                 
   system vimrc file: "/etc/vimrc"                                                                                                                                             
     user vimrc file: "$HOME/.vimrc"                                                                                                                                           
 2nd user vimrc file: "~/.vim/vimrc"                                                                                                                                           
      user exrc file: "$HOME/.exrc"                                                                                                                                            
  system gvimrc file: "/etc/gvimrc"                                                                                                                                            
    user gvimrc file: "$HOME/.gvimrc"                                                                                                                                          
2nd user gvimrc file: "~/.vim/gvimrc"                                                                                                                                          
       defaults file: "$VIMRUNTIME/defaults.vim"                                                                                                                               
    system menu file: "$VIMRUNTIME/menu.vim"                                                                                                                                   
  fall-back for $VIM: "/usr/share/vim"                                                                                                                                         
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK  -I/usr/include/gtk-3.0 -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/lib/
libffi-3.2.1/include -I/usr/include/fribidi -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/includ
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r-strong -fno-plt -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1                                                                                                                        
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-O1,--sort-common,--as-needed,-z,relro,-z,now -L/usr/local/lib -Wl,--as-needed -o vim   -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pi
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lcrypt -lutil -lc   -L/usr/lib -ltclstub8.6 -ldl -lz -lpthread -lm  

[amadeus]

Yeah this bug is super destructive because often it happens in the middle of an insertion and u won't undo it the way you'd usually want it to.

[scwood]

Any updates on this issue? Looks like something was merged in but this is still broken for me.

.vimrc:

call plug#begin($HOME . '/.vim/plugged')
Plug 'maralla/completor.vim', { 'do': 'make js' }
let g:completor_node_binary = '/usr/local/bin/node'
call plug#end()

[amadeus]

Yeah, the merged PR fixed some cases of it, but not all

[soyuka]

Can confirm the issue is still present