prettier and editorconfig configs

.editorconfig

# EditorConfig helps developers define and maintain consistent
# coding styles between different editors and IDEs
# editorconfig.org

root = true


[*]
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
indent_style = tab
indent_size = 4

[*.{diff,md}]
trim_trailing_whitespace = false

.prettierrc

# .prettierrc or .prettierrc.yaml
# need to use with .editorconfig
trailingComma: "es5"
semi: true
singleQuote: true
printWidth: 120

debounce TS

export function debounce<T>(cb: (...rest: Array<T>) => void, t: number) {
  let timer: ReturnType<typeof setTimeout>;
  return function (...rest: Array<T>) {
    timer && clearTimeout(timer);
    timer = setTimeout(() => cb(...rest), t);
  };
}

set node version

"engines": {
    "node": "^10.23 || ^12",
    "npm": "^6"
  }