better-blockmap/pkg/better_blockmap_wasm.js

Generate better blockmap files for electron-builder

let imports = {};
imports['__wbindgen_placeholder__'] = module.exports;
let wasm;
const { TextDecoder } = require(`util`);

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 cachedTextDecoder = new TextDecoder('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));
}

let cachedInt32Memory0 = null;

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

let cachedUint32Memory0 = null;

function getUint32Memory0() {
    if (cachedUint32Memory0 === null || cachedUint32Memory0.byteLength === 0) {
        cachedUint32Memory0 = new Uint32Array(wasm.memory.buffer);
    }
    return cachedUint32Memory0;
}

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 getArrayJsValueFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    const mem = getUint32Memory0();
    const slice = mem.subarray(ptr / 4, ptr / 4 + len);
    const result = [];
    for (let i = 0; i < slice.length; i++) {
        result.push(takeObject(slice[i]));
    }
    return result;
}

function isLikeNone(x) {
    return x === undefined || x === null;
}

let WASM_VECTOR_LEN = 0;

function passArray8ToWasm0(arg, malloc) {
    const ptr = malloc(arg.length * 1, 1) >>> 0;
    getUint8Memory0().set(arg, ptr / 1);
    WASM_VECTOR_LEN = arg.length;
    return ptr;
}

const ChunkerFinalization = (typeof FinalizationRegistry === 'undefined')
    ? { register: () => {}, unregister: () => {} }
    : new FinalizationRegistry(ptr => wasm.__wbg_chunker_free(ptr >>> 0));
/**
*/
class Chunker {

    __destroy_into_raw() {
        const ptr = this.__wbg_ptr;
        this.__wbg_ptr = 0;
        ChunkerFinalization.unregister(this);
        return ptr;
    }

    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_chunker_free(ptr);
    }
    /**
    * @returns {any[]}
    */
    finalize_reset() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.chunker_finalize_reset(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var v1 = getArrayJsValueFromWasm0(r0, r1).slice();
            wasm.__wbindgen_free(r0, r1 * 4, 4);
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @param {boolean | undefined} [detect_zip_boundary]
    */
    constructor(detect_zip_boundary) {
        const ret = wasm.chunker_new(isLikeNone(detect_zip_boundary) ? 0xFFFFFF : detect_zip_boundary ? 1 : 0);
        this.__wbg_ptr = ret >>> 0;
        return this;
    }
    /**
    * @param {Uint8Array} data
    * @returns {any[]}
    */
    update(data) {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            const ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
            const len0 = WASM_VECTOR_LEN;
            wasm.chunker_update(retptr, this.__wbg_ptr, ptr0, len0);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var v2 = getArrayJsValueFromWasm0(r0, r1).slice();
            wasm.__wbindgen_free(r0, r1 * 4, 4);
            return v2;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
}
module.exports.Chunker = Chunker;

module.exports.__wbindgen_number_new = function(arg0) {
    const ret = arg0;
    return addHeapObject(ret);
};

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

module.exports.__wbindgen_throw = function(arg0, arg1) {
    throw new Error(getStringFromWasm0(arg0, arg1));
};

const path = require('path').join(__dirname, 'better_blockmap_wasm_bg.wasm');
const bytes = require('fs').readFileSync(path);

const wasmModule = new WebAssembly.Module(bytes);
const wasmInstance = new WebAssembly.Instance(wasmModule, imports);
wasm = wasmInstance.exports;
module.exports.__wasm = wasm;