| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546 | function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }function _toArray(arr) { return Array.isArray(arr) ? arr : Array.from(arr); }function con(n) {  return 0x80 | n & 0x3f;}export function encode(str) {  var arr = str.split("").map(function (x) {    return x.charCodeAt(0);  });  return _encode(arr);}function _encode(arr) {  if (arr.length === 0) {    return [];  }  var _arr = _toArray(arr),      n = _arr[0],      ns = _arr.slice(1);  if (n < 0) {    throw new Error("utf8");  }  if (n < 0x80) {    return [n].concat(_toConsumableArray(_encode(ns)));  }  if (n < 0x800) {    return [0xc0 | n >>> 6, con(n)].concat(_toConsumableArray(_encode(ns)));  }  if (n < 0x10000) {    return [0xe0 | n >>> 12, con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));  }  if (n < 0x110000) {    return [0xf0 | n >>> 18, con(n >>> 12), con(n >>> 6), con(n)].concat(_toConsumableArray(_encode(ns)));  }  throw new Error("utf8");}
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