vim-tab is used to set the tab width(or indent).
Now it can be used for *.js, *.html, *.ejs, *.css, *.scss, *.less
files.
" g:vim_tab_indent_config = {'filetype': indent}
let g:vim_tab_indent_config = {'js': 2, 'html': 2, 'ejs': 2, 'css': 2, 'less': 2, 'scss': 2, 'json': 2}
# let g:vim_tab_indent_config = {'js': 4, 'html': 4, 'ejs': 4, 'css': 4}