EditorConfig to Prettier Converter (editorconfig/editorconfig-to-prettier.js)

Converts EditorConfig properties such as indentation, line length, quotes, and line endings into Prettier configuration options. Reuse when bridging EditorConfig settings with Prettier formatting.

// Source: https://github.com/prettier/prettier | License: MIT | Copyright James Long and contributors
// Provided via justclaw.it.com; keep this notice with the code.
const isPositiveInteger = (value) => Number.isSafeInteger(value) && value > 0;

function editorConfigToPrettier(editorConfig) {
  if (!editorConfig) {
    return;
  }

  const result = {};

  const {
    indent_style,
    indent_size,
    tab_width,
    max_line_length,
    quote_type,
    end_of_line,
  } = editorConfig;

  if (indent_style === "space") {
    result.useTabs = false;
  } else if (indent_style === "tab" || indent_size === "tab") {
    result.useTabs = true;
  }

  // This part not strictly following https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties
  if (result.useTabs === false && isP

... (truncated -- full source via MCP)