// Metro module 1309 (f1310).
let c1077_0 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");
let c1077_1 = [];
const r4 = 0 < c1077_0.length;
let r0 = 0;
if (r4) {
  do {
    c1077_1[c1077_0[r0].charCodeAt(0)] = r0;
    r0 = r0 + 1;
  } while (r0 < c1077_0.length);
}
c1077_1["-".charCodeAt(0)] = c1077_0.indexOf("+");
c1077_1["_".charCodeAt(0)] = c1077_0.indexOf("/");
export function base64decode(a0) {
  let r0, r1, r58, length;
  const r13 = 3 * a0.length / 4;
  const uint8Array = new Uint8Array(a0[a0.length - 2] == "=" ? r13 - 2 : a0[a0.length - 1] == "=" ? r13 - 1 : r13);
  const r23 = 0 < a0.length;
  let r4 = 0;
  let r27 = 0;
  let r5 = 0;
  let r6 = 0;
  let r53 = 0;
  let r54 = 0;
  if (r23) {
    do {
      const r36 = c1077_1[a0.charCodeAt(r4)];
      const r12 = r4;
      const r57 = r27;
      const r8 = r5;
      const r3 = r6;
      if (r36 === void 0) {
        const r69 = a0[r12];
        if (r69 === "=") {
          r58 = r57;
          r0 = 0;
          r1 = r3;
        } else {
          r58 = r57;
          r0 = r8;
          r1 = r3;
          if (r69 !== "\n") {
            r58 = r57;
            r0 = r8;
            r1 = r3;
            if (r69 !== "\r") {
              r58 = r57;
              r0 = r8;
              r1 = r3;
              if (r69 !== "\t") {
                r58 = r57;
                r0 = r8;
                r1 = r3;
                if (r69 !== " ") {
                  throw Error("invalid base64 string.");
                }
              }
            }
          }
        }
      } else if (r8 === 0) {
        r58 = r36;
        r0 = 1;
        r1 = r3;
      } else if (r8 === 1) {
        r1 = r3 + 1;
        uint8Array[r3] = r57 << 2 | (48 & r36) >> 4;
        r58 = r36;
        r0 = 2;
      } else if (r8 === 2) {
        r1 = r3 + 1;
        uint8Array[r3] = (15 & r57) << 4 | (60 & r36) >> 2;
        r58 = r36;
        r0 = 3;
      } else {
        r58 = r57;
        r1 = r3;
        r0 = r8;
        if (r0 === 3) {
          r1 = r3 + 1;
          uint8Array[r3] = (3 & r57) << 6 | r36;
          r58 = r57;
          r0 = 0;
        }
      }
      r4 = r12 + 1;
      length = a0.length;
      r27 = r58;
      r5 = r0;
      r6 = r1;
      r53 = r5;
      r54 = r6;
    } while (r4 < length);
  }
  if (r53 === 1) {
    throw Error("invalid base64 string.");
  }
  return uint8Array.subarray(0, r54);
}
export function base64encode(a0) {
  let r2, r24, length;
  const r18 = 0 < a0.length;
  let r22 = "";
  let r3 = 0;
  let r4 = 0;
  let r5 = 0;
  let r11 = 0;
  let r12 = 0;
  let r21 = "";
  if (r18) {
    do {
      const r25 = a0[r3];
      const r10 = r3;
      const r6 = r4;
      let r1 = r5;
      const r26 = r22;
      if (r1 === 0) {
        r24 = r26 + c1077_0[r25 >> 2];
        r2 = (3 & r25) << 4;
        r1 = 1;
      } else if (r1 === 1) {
        r24 = r26 + c1077_0[r6 | r25 >> 4];
        r2 = (15 & r25) << 2;
        r1 = 2;
      } else {
        r2 = r6;
        r24 = r26;
        if (r1 === 2) {
          r24 = r26 + c1077_0[r6 | r25 >> 6] + c1077_0[63 & r25];
          r2 = r6;
          r1 = 0;
        }
      }
      r3 = r10 + 1;
      length = a0.length;
      r4 = r2;
      r5 = r1;
      r22 = r24;
      r11 = r4;
      r12 = r5;
      r21 = r22;
    } while (r3 < length);
  }
  let r43 = r21;
  if (r12) {
    const r48 = r21 + c1077_0[r11] + "=";
    r43 = r12 === 1 ? r48 + "=" : r48;
  }
  return r43;
}