cspell.json

{
  "version": "0.2",
  "language": "en-US", // we always use American English
  // whitelist: disable all file types, then re-enable only what we want
  "enableFiletypes": ["!*", "markdown", "plaintext", "r", "qmd"],
  "useGitignore": true, // respect .gitignore (avoids checking generated/ignored files)
  // additional paths to ignore beyond .gitignore
  "ignorePaths": [
    "*.Rd",   // generated roxygen docs
    "*.rda",  // R binary data
    "*.Rds",  // R binary data
    "*.lock", // lockfiles
    "man/",   // generated man pages
    "renv/"   // renv library
  ],
  // use cspell R-dictionary + project-specific word list
  "dictionaries": ["r", "project-words"],
  "dictionaryDefinitions": [
    {
      "name": "project-words",
      // shared word list — commit this file so the whole team benefits
      "path": "./.cspell/project-words.txt",
      // enables "Add to project dictionary" command in VS Code / Cursor
      "addWords": true
    }
  ],
  "languageSettings": [
    {
      "languageId": "r",
      // only spell-check comments in R files, not code identifiers
      "includeRegExpList": [
        "/#.*$/gm"
      ]
    },
    {
      "languageId": "c,cpp",
      // only spell-check comments in C/C++ files, not code identifiers
      "includeRegExpList": [
        "//.*",           // single-line comments: // ...
        "/\\*[\\s\\S]*?\\*/" // block comments: /* ... */
      ]
    }
  ]
}