coc-settings.json

{
  // autocomplete
  "suggest.autoTrigger": "always",
  "suggest.fixInsertedWord": true,
  "suggest.noselect": false,
  "suggest.triggerCompletionWait": 500,
  "suggest.completionItemKindLabels": {
    "keyword": "\uf1de",
    "variable": "\ue79b",
    "value": "\uf89f",
    "operator": "\u03a8",
    "constructor": "\uf0ad",
    "function": "\u0192",
    "reference": "\ufa46",
    "constant": "\uf8fe",
    "method": "\uf09a",
    "struct": "\ufb44",
    "class": "\uf0e8",
    "interface": "\uf417",
    "text": "\ue612",
    "enum": "\uf435",
    "enumMember": "\uf02b",
    "module": "\uf40d",
    "color": "\ue22b",
    "property": "\ue624",
    "field": "\uf9be",
    "unit": "\uf475",
    "event": "\ufacd",
    "file": "\uf723",
    "folder": "\uf114",
    "snippet": "\ue60b",
    "typeParameter": "\uf728",
    "default": "\uf29c"
  },

  // coc-prettier extension
  // Config resoltion order: prettierrc, editorconfig, CocConfig
  "prettier.formatterPriority": 1,
  // Use only local binary, do not fallback to system-wide
  "prettier.onlyUseLocalVersion": true,
  // Use prettier to format JS|TS files only
  "prettier.disableLanguages": [
    "vue",
    "json",
    "graphql",
    // for HTML use js-beautify instead, that has richer configuration
    "html"
  ],

  // coc-html extension
  "html.format.enable": true,
  "html.format.endWithNewline": true,
  "html.format.wrapAttributes": "force-aligned",
  "html.autoClosingTags": true,

  // formatting
  "coc.preferences.formatOnType": true,
  "coc.preferences.formatOnInsertLeave": true,
  "coc.preferences.formatOnSaveFiletypes": [],
  "coc.preferences.formatOnTypeFiletypes": [
    "javascript",
    "typescript",
    "javascriptreact",
    "typescriptreact"
  ],
  // gets triggered by coc#on_enter
  "coc.preferences.bracketEnterImprove": true,
  "coc.preferences.colorSupport": true,

  // do not use session management from Coc
  "session.saveOnVimLeave": false,

  // disable completion from {around,buffer,file} sources inside comment and string
  "coc.source.around.disableSyntaxes": [
    "comment",
    "string"
  ],
  "coc.source.buffer.disableSyntaxes": [
    "comment",
    "string"
  ],
  "coc.source.file.disableSyntaxes": [
    "comment",
    "string"
  ],

  // diagnostics
  "diagnostic.refreshOnInsertMode": true,
  "diagnostic.checkCurrentLine": true,
  "diagnostic.errorSign": "",
  "diagnostic.warningSign": "",
  "diagnostic.infoSign": "",
  "diagnostic.displayByAle": false,

  // coc-diagnostic + diagnostic-languageserver, configure linter program per file
  "diagnostic-languageserver.filetypes": {
    "vim": "vint",
    "email": "languagetool",
    "markdown": [ "write-good", "markdownlint" ],
    "sh": "shellcheck",
    "javascript": ["eslint"],
    "javascriptreact": ["eslint"],
    "scss": ["stylelint"],
    "sass": ["stylelint"],
    "less": ["stylelint"],
    "css": ["stylelint"]
  },

  // lists
  "list.alignColumns": true,
  "list.height": 15,
  "list.maxPreviewHeight": 15,
  "list.normalMappings": {
    "<C-c>": "do:exit"
  },
  "list.insertMappings": {
    "<C-c>": "do:exit"
  },
  "list.source.symbols.excludes": ["**/node_modules/**/*.*"],
  "list.source.mru.maxLength": 30,
  "lists.disabledLists": [
    "buffers",
    "colors",
    "helptags",
    "maps",
    "marks",
    "tags",
    "words",
    "sessions",
    "cmdhistory",
    "filetypes",
    "lines",
    "files"
  ],

  // coc-tsserver extensions
  "tsserver.npm": "/usr/local/bin/npm",
  "tsserver.log": "verbose",
  "tsserver.trace.server": "off",
  "typescript.format.enabled": true,
  "javascript.format.enabled": true,

  // coc-eslint extension
  // TODO: coc-eslint or coc-diagnostics?
  // Optimal "eslint + prettier" combo is (*)
  // - prettier-eslint, runs code through Prettier -> eslint autofix
  // - eslint-plugin-prettier, do not format, but report Prettier issues as ESLint rules
  // - (*) eslint-config-prettier, disable all formatting-related ESLint rules.
  "eslint.autoFixOnSave": false,

  // coc-snippets extension
  "coc.preferences.snippets.enable": true,
  "snippets.userSnippetsDirectory": "~/.vim/UltiSnips",
  "snippets.extends": {
    "javascriptreact": ["javascript"],
    "typescript": ["javascript"]
  },

  // coc-css extension
  "css.enable": true,

  // coc-sh extension
  "sh.enable": true,
  // anyway it fails to parse in most cases
  "sh.highlightParsingErrors": false,
  // have to specify it explicitly otherwise bash language server fails to start
  "sh.commandPath": "~/.config/coc/extensions/node_modules/.bin/bash-language-server",

  // coc-vimlsp extension
  "vimlsp.indexes.gap": 400,
  "vimlsp.indexes.count": 3
}