d3plus-common/es/src/uuid.js

/**
    @function s
    @desc Returns 4 random characters, used for constructing unique identifiers.
    @private
*/
function s() {
  return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
}

/**
    @function uuid
    @summary Returns a unique identifier.
*/
export default function() {
  return ("" + (s()) + (s()) + "-" + (s()) + "-" + (s()) + "-" + (s()) + "-" + (s()) + (s()) + (s()));
}

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