vim-backslash is a filetype plugin which support to insert a leading backslash to continue expression in Vim script.
Assume "|" indicate the cursor in the following content:
let foobar = [
\ 'foo',|The o in a normal mode or <CR> in an insert mode makes the content like:
let foobar = [
\ 'foo',
\ |And when the line contains only white spaces and "" like:
let foobar = line('.') ==# 'Hello'
\ ? 'Good bye'
\ : 'Foobar'
\ |Hitting o or <CR> remove the leading spaces and "" like:
let foobar = line('.') ==# 'Hello'
\ ? 'Good bye'
\ : 'Foobar'
|Note that this plugin care about g:vim_indent_cont which is used in
$VIMRUNTIME/indent/vim.vim