Function characterCode

tests/format/json/json-superset/format.test.js:11–12

(character)

const characters = [LINE_SEPARATOR, PARAGRAPH_SEPARATOR, UNDERSCORE, SPACE];
const characterCode = (character) =>
  `U+${character.charCodeAt(0).toString(16).toUpperCase().padStart(4, "0")}`;

runFormatTest(
  {