@mdn/bob/watify/pkg/watify_bg.js

Builder of Bits aka The MDN Web Docs interactive examples, example builder

let wasm;
export function __wbg_set_wasm(val) {
  wasm = val;
}

const lTextDecoder =
  typeof TextDecoder === "undefined"
    ? (0, module.require)("util").TextDecoder
    : TextDecoder;

let cachedTextDecoder = new lTextDecoder("utf-8", {
  ignoreBOM: true,
  fatal: true,
});

cachedTextDecoder.decode();

let cachedUint8Memory0 = null;

function getUint8Memory0() {
  if (cachedUint8Memory0 === null || cachedUint8Memory0.byteLength === 0) {
    cachedUint8Memory0 = new Uint8Array(wasm.memory.buffer);
  }
  return cachedUint8Memory0;
}

function getStringFromWasm0(ptr, len) {
  ptr = ptr >>> 0;
  return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
}

const heap = new Array(128).fill(undefined);

heap.push(undefined, null, true, false);

let heap_next = heap.length;

function addHeapObject(obj) {
  if (heap_next === heap.length) heap.push(heap.length + 1);
  const idx = heap_next;
  heap_next = heap[idx];

  heap[idx] = obj;
  return idx;
}

let WASM_VECTOR_LEN = 0;

const lTextEncoder =
  typeof TextEncoder === "undefined"
    ? (0, module.require)("util").TextEncoder
    : TextEncoder;

let cachedTextEncoder = new lTextEncoder("utf-8");

const encodeString =
  typeof cachedTextEncoder.encodeInto === "function"
    ? function (arg, view) {
        return cachedTextEncoder.encodeInto(arg, view);
      }
    : function (arg, view) {
        const buf = cachedTextEncoder.encode(arg);
        view.set(buf);
        return {
          read: arg.length,
          written: buf.length,
        };
      };

function passStringToWasm0(arg, malloc, realloc) {
  if (realloc === undefined) {
    const buf = cachedTextEncoder.encode(arg);
    const ptr = malloc(buf.length, 1) >>> 0;
    getUint8Memory0()
      .subarray(ptr, ptr + buf.length)
      .set(buf);
    WASM_VECTOR_LEN = buf.length;
    return ptr;
  }

  let len = arg.length;
  let ptr = malloc(len, 1) >>> 0;

  const mem = getUint8Memory0();

  let offset = 0;

  for (; offset < len; offset++) {
    const code = arg.charCodeAt(offset);
    if (code > 0x7f) break;
    mem[ptr + offset] = code;
  }

  if (offset !== len) {
    if (offset !== 0) {
      arg = arg.slice(offset);
    }
    ptr = realloc(ptr, len, (len = offset + arg.length * 3), 1) >>> 0;
    const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
    const ret = encodeString(arg, view);

    offset += ret.written;
    ptr = realloc(ptr, len, offset, 1) >>> 0;
  }

  WASM_VECTOR_LEN = offset;
  return ptr;
}

let cachedInt32Memory0 = null;

function getInt32Memory0() {
  if (cachedInt32Memory0 === null || cachedInt32Memory0.byteLength === 0) {
    cachedInt32Memory0 = new Int32Array(wasm.memory.buffer);
  }
  return cachedInt32Memory0;
}

function getObject(idx) {
  return heap[idx];
}

function dropObject(idx) {
  if (idx < 132) return;
  heap[idx] = heap_next;
  heap_next = idx;
}

function takeObject(idx) {
  const ret = getObject(idx);
  dropObject(idx);
  return ret;
}

function getArrayU8FromWasm0(ptr, len) {
  ptr = ptr >>> 0;
  return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}
/**
 * @param {string} text
 * @returns {Uint8Array}
 */
export function watify(text) {
  try {
    const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
    const ptr0 = passStringToWasm0(
      text,
      wasm.__wbindgen_malloc,
      wasm.__wbindgen_realloc,
    );
    const len0 = WASM_VECTOR_LEN;
    wasm.watify(retptr, ptr0, len0);
    var r0 = getInt32Memory0()[retptr / 4 + 0];
    var r1 = getInt32Memory0()[retptr / 4 + 1];
    var r2 = getInt32Memory0()[retptr / 4 + 2];
    var r3 = getInt32Memory0()[retptr / 4 + 3];
    if (r3) {
      throw takeObject(r2);
    }
    var v2 = getArrayU8FromWasm0(r0, r1).slice();
    wasm.__wbindgen_free(r0, r1 * 1, 1);
    return v2;
  } finally {
    wasm.__wbindgen_add_to_stack_pointer(16);
  }
}

export function __wbindgen_string_new(arg0, arg1) {
  const ret = getStringFromWasm0(arg0, arg1);
  return addHeapObject(ret);
}