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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { ERR_INVALID_URI } from "./errors.ts";
export const hexTable = new Array(256);for (let i = 0; i < 256; ++i) {  hexTable[i] = "%" + ((i < 16 ? "0" : "") + i.toString(16)).toUpperCase();}
// deno-fmt-ignoreexport const isHexTable = new Int8Array([  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 32 - 47  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63  0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 64 - 79  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80 - 95  0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 96 - 111  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 112 - 127  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 128 ...  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  // ... 256]);
export function encodeStr(  str: string,  noEscapeTable: Int8Array,  hexTable: string[],): string {  const len = str.length;  if (len === 0) return "";
  let out = "";  let lastPos = 0;
  for (let i = 0; i < len; i++) {    let c = str.charCodeAt(i);    // ASCII    if (c < 0x80) {      if (noEscapeTable[c] === 1) continue;      if (lastPos < i) out += str.slice(lastPos, i);      lastPos = i + 1;      out += hexTable[c];      continue;    }
    if (lastPos < i) out += str.slice(lastPos, i);
    // Multi-byte characters ...    if (c < 0x800) {      lastPos = i + 1;      out += hexTable[0xc0 | (c >> 6)] + hexTable[0x80 | (c & 0x3f)];      continue;    }    if (c < 0xd800 || c >= 0xe000) {      lastPos = i + 1;      out += hexTable[0xe0 | (c >> 12)] +        hexTable[0x80 | ((c >> 6) & 0x3f)] +        hexTable[0x80 | (c & 0x3f)];      continue;    }    // Surrogate pair    ++i;
    // This branch should never happen because all URLSearchParams entries    // should already be converted to USVString. But, included for    // completion's sake anyway.    if (i >= len) throw new ERR_INVALID_URI();
    const c2 = str.charCodeAt(i) & 0x3ff;
    lastPos = i + 1;    c = 0x10000 + (((c & 0x3ff) << 10) | c2);    out += hexTable[0xf0 | (c >> 18)] +      hexTable[0x80 | ((c >> 12) & 0x3f)] +      hexTable[0x80 | ((c >> 6) & 0x3f)] +      hexTable[0x80 | (c & 0x3f)];  }  if (lastPos === 0) return str;  if (lastPos < len) return out + str.slice(lastPos);  return out;}
export default {  hexTable,  encodeStr,  isHexTable,};