d3-view/src/utils/dashify.js

View-model d3 plugin for building interactive data-driven web interfaces

export default (str, options) => {
  if (typeof str !== "string") {
    throw new TypeError("expected a string");
  }

  return str
    .trim()
    .replace(/([a-z])([A-Z])/g, "$1-$2")
    .replace(/\W/g, m => (/[À-ž]/.test(m) ? m : "-"))
    .replace(/^-+|-+$/g, "")
    .replace(/-{2,}/g, m => (options && options.condense ? "-" : m))
    .toLowerCase();
};