From 0e21be8abc47b5a44172a306626127caa587611e Mon Sep 17 00:00:00 2001
From: Marty Oehme <marty.oehme@gmail.com>
Date: Thu, 21 Mar 2019 00:06:40 +0100
Subject: [PATCH] add lazy loading to many plugins

---
 .config/nvim/init.vim | 47 ++++++++++++++++++++++++++++---------------
 1 file changed, 31 insertions(+), 16 deletions(-)

diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 194edf8..e07346b 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -42,7 +42,7 @@ Plug 'christoomey/vim-tmux-navigator'
 " into / out of focus (requires number & relativenumber to be set)
 Plug 'jeffkreeftmeijer/vim-numbertoggle'
 
-" Workflow
+" " Workflow
 Plug 'tpope/vim-commentary' " easily toggle comments for lines, paragraphs etc with gc
 Plug 'tommcdo/vim-exchange' " adds exchange operator with cx. common use: cxiw . on 2 words to switch
 Plug 'tpope/vim-surround' " lets you change surrounding things with cs (or ds to del, ys to add)
@@ -51,32 +51,44 @@ Plug 'kana/vim-textobj-user' " dependency for most other textobj plugins
 Plug 'reedes/vim-textobj-sentence' " extends the capabilities of sentence detection
 " and allows you to jump to the *end* of this <g)> or last <g(> sentence.
 
-Plug 'jiangmiao/auto-pairs' " Auto close brackets and ''
 
-" Ecosystem
-" Plug 'tpope/vim-fugitive' - Will have to take a closer look some other time
+" " Ecosystem
+" " Plug 'tpope/vim-fugitive' - Will have to take a closer look some other time
 Plug 'scrooloose/nerdtree', { 'on': 'NERDTreeToggle' } " show a directory listing within vim
-Plug 'Xuyuanp/nerdtree-git-plugin' " show git status in nerdtree for files and dirs
-Plug 'Yggdroot/LeaderF' " fuzzy matcher, apparently faster than fzf, ctrlp, unit, denite
+Plug 'Xuyuanp/nerdtree-git-plugin', { 'on': 'NERDTreeToggle' } " show git status in nerdtree for files and dirs
+Plug 'Yggdroot/LeaderF', { 'on': ['Leaderf', 'LeaderfFile', 'LeaderfBuffer'], 'do': './install.sh' } " fuzzy matcher, apparently faster than fzf, ctrlp, unit, denite
 
 " Language Integration
 Plug 'sheerun/vim-polyglot' " syntax plugins for almost every language
 Plug 'stephpy/vim-yaml'
-Plug 'mhartington/nvim-typescript', {'do': './install.sh'}
+Plug 'mhartington/nvim-typescript', {'for': 'typescript','do': './install.sh'}
 
 " HTML Workflow
-Plug 'valloric/matchtagalways'
-Plug 'alvan/vim-closetag'
+Plug 'valloric/matchtagalways', { 'on': [] }
+Plug 'alvan/vim-closetag', { 'on': [] }
+Plug 'jiangmiao/auto-pairs', { 'on': [] } " Auto close brackets and ''
+augroup load_html_utils
+  autocmd!
+  autocmd InsertEnter * call plug#load('matchtagalways', 'vim-closetag', 'auto-pairs')
+                      \| autocmd! load_html_utils
+augroup END
 
 " Markdown & Prose Workflow
-Plug 'reedes/vim-pencil' " provide md convenience functions like hard/softwrap
-Plug 'junegunn/goyo.vim' " provide distraction free writing
-Plug 'junegunn/limelight.vim' " provide even distraction free-er writing (lowlight paragraphs)
-Plug 'rhysd/vim-grammarous' " integrate vim with languagetool for grammar checking (needs java8)
+Plug 'reedes/vim-pencil', { 'for': ['mkd', 'txt'], 'on': 'Goyo' } " provide md convenience functions like hard/softwrap
+Plug 'junegunn/goyo.vim', { 'for': ['mkd', 'txt'], 'on': 'Goyo' } " provide distraction free writing
+Plug 'junegunn/limelight.vim', { 'for': ['mkd', 'txt'], 'on': 'Goyo' } " provide even distraction free-er writing (lowlight paragraphs)
+Plug 'rhysd/vim-grammarous', { 'for': ['mkd', 'txt'], 'on': 'Goyo' } " integrate vim with languagetool for grammar checking (needs java8)
 
 " For async completion
-Plug 'Shougo/deoplete.nvim' " automatic suggestions, can also perhaps be changed for newer plugs
-Plug 'w0rp/ale' " asynchronous linting - might be superseded by lsp or coc.nvim at some point
+Plug 'Shougo/deoplete.nvim', { 'on': [] } " automatic suggestions, can also perhaps be changed for newer plugs
+Plug 'w0rp/ale', { 'on': [] } " asynchronous linting - might be superseded by lsp or coc.nvim at some point
+" lazy loading since they require a lot of startup time
+augroup load_ide_features
+  autocmd!
+  autocmd InsertEnter * call plug#load('ale', 'deoplete.nvim')
+                     \| autocmd! load_ide_features
+  autocmd InsertEnter * call deoplete#enable()
+augroup END
 
 " Design
 Plug 'vim-airline/vim-airline'
@@ -167,7 +179,7 @@ autocmd! User GoyoLeave nested call <SID>goyo_leave()
 
 " PLUGIN: DEOPLETE
 " enable deoplete at startup
-let g:deoplete#enable_at_startup = 1
+let g:deoplete#enable_at_startup = 0
 let g:deoplete#enable_ignore_case = 1
 let g:deoplete#enable_smart_case = 1
 let g:deoplete#enable_camel_case = 1
@@ -318,6 +330,9 @@ nnoremap <silent> <leader>Q vapJgqap
 " Enter distraction free prose mode with F11
 noremap <F11> :Goyo<CR>
 
+" Call leaderf with <leader-f> (necessary to enable leaderf lazyloading)
+nnoremap <leader>f :LeaderfFile<cr>
+
 " }}}
 " ================================================================================
 " END