can't get it work

[iamcco]

test code:

const color = 'red'

CocInfo:

## versions

vim version: NVIM v0.3.2-dev
node version: v11.2.0
coc.nvim version: 0.0.35
term: iTerm.app
platform: darwin

## Error messages

## Output channel: prettier

## Output channel: tsserver
[Info  - 下午11:46:33] Forking TSServer
PATH: /Users/aioiyuuko/google-cloud-sdk/bin:/Users/aioiyuuko/.pub-cache/bin:/Users/aioiyuuko/sdk/flutter/bin/cache/dart-sdk/bin:/Users/aioiyuuko/sdk/flutter/bin:/Users/aioiyuuko/.cargo/bin:/Users/aioiyuuko/.config/npm/bin:/Users/aioiyuuko/Library/Android/sdk/platform-tools:/Users/aioiyuuko/Library/Android/sdk/tools:/Library/Java/JavaVirtualMachines/jdk1.8.0_162.jdk/Contents/Home/bin:/Users/aioiyuuko/.pyenv/shims:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin 
[Info  - 下午11:46:33] Started TSServer
{
  "path": "/Users/aioiyuuko/.config/coc/extensions/node_modules/typescript/lib",
  "_pathLabel": "",
  "_api": {
    "versionString": "3.2.1",
    "version": "3.2.1"
  }
}

## Output channel: eslint
[Info  - 下午11:46:33] ESLint server running in node v11.2.0
[Info  - 下午11:46:33] ESLint library loaded from: /Users/aioiyuuko/.config/npm/lib/node_modules/eslint/lib/api.js

## Output channel: highlight
[Info  - 下午11:46:33] Highlight server running in node v11.2.0

[chemzqm]

The problem could be the color request is only made on CursorHold, I've improved coc to be more realtime for colors.