@datadog/wasm-js-rewriter/wasm/wasm_js_rewriter.js

Datadog instrumentation addon for NodeJS

let imports = {};
imports['__wbindgen_placeholder__'] = module.exports;
let wasm;
const { log, setLogger } = require(String.raw`./snippets/wasm-js-rewriter-352b414960a32145/tracer_logger.js`);
const { readFileSync } = require(`fs`);
const { dirname } = require(`path`);
const { TextEncoder, TextDecoder } = require(`util`);

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

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

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

let heap_next = heap.length;

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;
}

let WASM_VECTOR_LEN = 0;

let cachedUint8Memory0 = null;

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

let cachedTextEncoder = new TextEncoder('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;
}

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

let cachedInt32Memory0 = null;

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

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

cachedTextDecoder.decode();

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

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 cachedFloat64Memory0 = null;

function getFloat64Memory0() {
    if (cachedFloat64Memory0 === null || cachedFloat64Memory0.byteLength === 0) {
        cachedFloat64Memory0 = new Float64Array(wasm.memory.buffer);
    }
    return cachedFloat64Memory0;
}

function debugString(val) {
    // primitive types
    const type = typeof val;
    if (type == 'number' || type == 'boolean' || val == null) {
        return  `${val}`;
    }
    if (type == 'string') {
        return `"${val}"`;
    }
    if (type == 'symbol') {
        const description = val.description;
        if (description == null) {
            return 'Symbol';
        } else {
            return `Symbol(${description})`;
        }
    }
    if (type == 'function') {
        const name = val.name;
        if (typeof name == 'string' && name.length > 0) {
            return `Function(${name})`;
        } else {
            return 'Function';
        }
    }
    // objects
    if (Array.isArray(val)) {
        const length = val.length;
        let debug = '[';
        if (length > 0) {
            debug += debugString(val[0]);
        }
        for(let i = 1; i < length; i++) {
            debug += ', ' + debugString(val[i]);
        }
        debug += ']';
        return debug;
    }
    // Test for built-in
    const builtInMatches = /\[object ([^\]]+)\]/.exec(toString.call(val));
    let className;
    if (builtInMatches.length > 1) {
        className = builtInMatches[1];
    } else {
        // Failed to match the standard '[object ClassName]'
        return toString.call(val);
    }
    if (className == 'Object') {
        // we're a user defined class or Object
        // JSON.stringify avoids problems with cycles, and is generally much
        // easier than looping through ownProperties of `val`.
        try {
            return 'Object(' + JSON.stringify(val) + ')';
        } catch (_) {
            return 'Object';
        }
    }
    // errors
    if (val instanceof Error) {
        return `${val.name}: ${val.message}\n${val.stack}`;
    }
    // TODO we could test for more things here, like `Set`s and `Map`s.
    return className;
}

function handleError(f, args) {
    try {
        return f.apply(this, args);
    } catch (e) {
        wasm.__wbindgen_exn_store(addHeapObject(e));
    }
}

let cachedUint32Memory0 = null;

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

function passArrayJsValueToWasm0(array, malloc) {
    const ptr = malloc(array.length * 4, 4) >>> 0;
    const mem = getUint32Memory0();
    for (let i = 0; i < array.length; i++) {
        mem[ptr / 4 + i] = addHeapObject(array[i]);
    }
    WASM_VECTOR_LEN = array.length;
    return ptr;
}

let stack_pointer = 128;

function addBorrowedObject(obj) {
    if (stack_pointer == 1) throw new Error('out of js stack');
    heap[--stack_pointer] = obj;
    return stack_pointer;
}

function getArrayU8FromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}

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

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

    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_rewriter_free(ptr);
    }
    /**
    * @param {any} config_js
    */
    constructor(config_js) {
        const ret = wasm.rewriter_new(addHeapObject(config_js));
        this.__wbg_ptr = ret >>> 0;
        return this;
    }
    /**
    * @param {string} code
    * @param {string} file
    * @param {(string)[]} passes
    * @param {string | undefined} [module_name]
    * @param {string | undefined} [module_version]
    * @returns {any}
    */
    rewrite(code, file, passes, module_name, module_version) {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            const ptr0 = passStringToWasm0(code, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
            const len0 = WASM_VECTOR_LEN;
            const ptr1 = passStringToWasm0(file, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
            const len1 = WASM_VECTOR_LEN;
            const ptr2 = passArrayJsValueToWasm0(passes, wasm.__wbindgen_malloc);
            const len2 = WASM_VECTOR_LEN;
            var ptr3 = isLikeNone(module_name) ? 0 : passStringToWasm0(module_name, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
            var len3 = WASM_VECTOR_LEN;
            var ptr4 = isLikeNone(module_version) ? 0 : passStringToWasm0(module_version, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
            var len4 = WASM_VECTOR_LEN;
            wasm.rewriter_rewrite(retptr, this.__wbg_ptr, ptr0, len0, ptr1, len1, ptr2, len2, ptr3, len3, ptr4, len4);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var r2 = getInt32Memory0()[retptr / 4 + 2];
            if (r2) {
                throw takeObject(r1);
            }
            return takeObject(r0);
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @returns {any}
    */
    csiMethods() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.rewriter_csiMethods(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            var r2 = getInt32Memory0()[retptr / 4 + 2];
            if (r2) {
                throw takeObject(r1);
            }
            return takeObject(r0);
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @param {any} logger
    * @param {string} level
    */
    setLogger(logger, level) {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            const ptr0 = passStringToWasm0(level, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
            const len0 = WASM_VECTOR_LEN;
            wasm.rewriter_setLogger(retptr, this.__wbg_ptr, addBorrowedObject(logger), ptr0, len0);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            if (r1) {
                throw takeObject(r0);
            }
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
            heap[stack_pointer++] = undefined;
        }
    }
}
module.exports.Rewriter = Rewriter;

module.exports.__wbindgen_object_drop_ref = function(arg0) {
    takeObject(arg0);
};

module.exports.__wbindgen_string_get = function(arg0, arg1) {
    const obj = getObject(arg1);
    const ret = typeof(obj) === 'string' ? obj : undefined;
    var ptr1 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    var len1 = WASM_VECTOR_LEN;
    getInt32Memory0()[arg0 / 4 + 1] = len1;
    getInt32Memory0()[arg0 / 4 + 0] = ptr1;
};

module.exports.__wbindgen_is_object = function(arg0) {
    const val = getObject(arg0);
    const ret = typeof(val) === 'object' && val !== null;
    return ret;
};

module.exports.__wbg_getwithrefkey_15c62c2b8546208d = function(arg0, arg1) {
    const ret = getObject(arg0)[getObject(arg1)];
    return addHeapObject(ret);
};

module.exports.__wbindgen_is_undefined = function(arg0) {
    const ret = getObject(arg0) === undefined;
    return ret;
};

module.exports.__wbindgen_in = function(arg0, arg1) {
    const ret = getObject(arg0) in getObject(arg1);
    return ret;
};

module.exports.__wbindgen_jsval_loose_eq = function(arg0, arg1) {
    const ret = getObject(arg0) == getObject(arg1);
    return ret;
};

module.exports.__wbindgen_boolean_get = function(arg0) {
    const v = getObject(arg0);
    const ret = typeof(v) === 'boolean' ? (v ? 1 : 0) : 2;
    return ret;
};

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

module.exports.__wbg_set_20cbc34131e76824 = function(arg0, arg1, arg2) {
    getObject(arg0)[takeObject(arg1)] = takeObject(arg2);
};

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

module.exports.__wbindgen_bigint_from_u64 = function(arg0) {
    const ret = BigInt.asUintN(64, arg0);
    return addHeapObject(ret);
};

module.exports.__wbg_dirname_84a7eeb45dcbdcfc = function() { return handleError(function (arg0, arg1) {
    const ret = dirname(getStringFromWasm0(arg0, arg1));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_readFileSync_32f00c8b2f5b7215 = function() { return handleError(function (arg0, arg1) {
    const ret = readFileSync(getStringFromWasm0(arg0, arg1));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_new_09938a7d020f049b = function(arg0) {
    const ret = new Uint8Array(getObject(arg0));
    return addHeapObject(ret);
};

module.exports.__wbg_log_15ee026984f9a0f5 = function() { return handleError(function (arg0, arg1) {
    const ret = log(getObject(arg0), getObject(arg1));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_setLogger_02607cfa3e4f2824 = function() { return handleError(function (arg0) {
    const ret = setLogger(getObject(arg0));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_isArray_04e59fb73f78ab5b = function(arg0) {
    const ret = Array.isArray(getObject(arg0));
    return ret;
};

module.exports.__wbg_length_820c786973abdd8a = function(arg0) {
    const ret = getObject(arg0).length;
    return ret;
};

module.exports.__wbg_get_7303ed2ef026b2f5 = function(arg0, arg1) {
    const ret = getObject(arg0)[arg1 >>> 0];
    return addHeapObject(ret);
};

module.exports.__wbg_iterator_7c7e58f62eb84700 = function() {
    const ret = Symbol.iterator;
    return addHeapObject(ret);
};

module.exports.__wbg_get_f53c921291c381bd = function() { return handleError(function (arg0, arg1) {
    const ret = Reflect.get(getObject(arg0), getObject(arg1));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbindgen_is_function = function(arg0) {
    const ret = typeof(getObject(arg0)) === 'function';
    return ret;
};

module.exports.__wbg_call_557a2f2deacc4912 = function() { return handleError(function (arg0, arg1) {
    const ret = getObject(arg0).call(getObject(arg1));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_next_f4bc0e96ea67da68 = function(arg0) {
    const ret = getObject(arg0).next;
    return addHeapObject(ret);
};

module.exports.__wbg_next_ec061e48a0e72a96 = function() { return handleError(function (arg0) {
    const ret = getObject(arg0).next();
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_done_b6abb27d42b63867 = function(arg0) {
    const ret = getObject(arg0).done;
    return ret;
};

module.exports.__wbg_value_2f4ef2036bfad28e = function(arg0) {
    const ret = getObject(arg0).value;
    return addHeapObject(ret);
};

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

module.exports.__wbg_new_2b6fea4ea03b1b95 = function() {
    const ret = new Object();
    return addHeapObject(ret);
};

module.exports.__wbg_new_0f2b71ca2f2a6029 = function() {
    const ret = new Map();
    return addHeapObject(ret);
};

module.exports.__wbg_set_da7be7bf0e037b14 = function(arg0, arg1, arg2) {
    const ret = getObject(arg0).set(getObject(arg1), getObject(arg2));
    return addHeapObject(ret);
};

module.exports.__wbindgen_is_string = function(arg0) {
    const ret = typeof(getObject(arg0)) === 'string';
    return ret;
};

module.exports.__wbg_new_0394642eae39db16 = function() {
    const ret = new Array();
    return addHeapObject(ret);
};

module.exports.__wbg_set_b4da98d504ac6091 = function(arg0, arg1, arg2) {
    getObject(arg0)[arg1 >>> 0] = takeObject(arg2);
};

module.exports.__wbg_new_abda76e883ba8a5f = function() {
    const ret = new Error();
    return addHeapObject(ret);
};

module.exports.__wbg_stack_658279fe44541cf6 = function(arg0, arg1) {
    const ret = getObject(arg1).stack;
    const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len1 = WASM_VECTOR_LEN;
    getInt32Memory0()[arg0 / 4 + 1] = len1;
    getInt32Memory0()[arg0 / 4 + 0] = ptr1;
};

module.exports.__wbg_error_f851667af71bcfc6 = function(arg0, arg1) {
    let deferred0_0;
    let deferred0_1;
    try {
        deferred0_0 = arg0;
        deferred0_1 = arg1;
        console.error(getStringFromWasm0(arg0, arg1));
    } finally {
        wasm.__wbindgen_free(deferred0_0, deferred0_1, 1);
    }
};

module.exports.__wbg_randomFillSync_6894564c2c334c42 = function() { return handleError(function (arg0, arg1, arg2) {
    getObject(arg0).randomFillSync(getArrayU8FromWasm0(arg1, arg2));
}, arguments) };

module.exports.__wbg_subarray_d82be056deb4ad27 = function(arg0, arg1, arg2) {
    const ret = getObject(arg0).subarray(arg1 >>> 0, arg2 >>> 0);
    return addHeapObject(ret);
};

module.exports.__wbg_getRandomValues_805f1c3d65988a5a = function() { return handleError(function (arg0, arg1) {
    getObject(arg0).getRandomValues(getObject(arg1));
}, arguments) };

module.exports.__wbg_length_0aab7ffd65ad19ed = function(arg0) {
    const ret = getObject(arg0).length;
    return ret;
};

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

module.exports.__wbg_crypto_e1d53a1d73fb10b8 = function(arg0) {
    const ret = getObject(arg0).crypto;
    return addHeapObject(ret);
};

module.exports.__wbg_process_038c26bf42b093f8 = function(arg0) {
    const ret = getObject(arg0).process;
    return addHeapObject(ret);
};

module.exports.__wbg_versions_ab37218d2f0b24a8 = function(arg0) {
    const ret = getObject(arg0).versions;
    return addHeapObject(ret);
};

module.exports.__wbg_node_080f4b19d15bc1fe = function(arg0) {
    const ret = getObject(arg0).node;
    return addHeapObject(ret);
};

module.exports.__wbg_require_78a3dcfbdba9cbce = function() { return handleError(function () {
    const ret = module.require;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_msCrypto_6e7d3e1f92610cbb = function(arg0) {
    const ret = getObject(arg0).msCrypto;
    return addHeapObject(ret);
};

module.exports.__wbg_newwithlength_89eeca401d8918c2 = function(arg0) {
    const ret = new Uint8Array(arg0 >>> 0);
    return addHeapObject(ret);
};

module.exports.__wbg_self_742dd6eab3e9211e = function() { return handleError(function () {
    const ret = self.self;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_window_c409e731db53a0e2 = function() { return handleError(function () {
    const ret = window.window;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_globalThis_b70c095388441f2d = function() { return handleError(function () {
    const ret = globalThis.globalThis;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_global_1c72617491ed7194 = function() { return handleError(function () {
    const ret = global.global;
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbg_newnoargs_c9e6043b8ad84109 = function(arg0, arg1) {
    const ret = new Function(getStringFromWasm0(arg0, arg1));
    return addHeapObject(ret);
};

module.exports.__wbg_call_587b30eea3e09332 = function() { return handleError(function (arg0, arg1, arg2) {
    const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
    return addHeapObject(ret);
}, arguments) };

module.exports.__wbindgen_memory = function() {
    const ret = wasm.memory;
    return addHeapObject(ret);
};

module.exports.__wbg_buffer_55ba7a6b1b92e2ac = function(arg0) {
    const ret = getObject(arg0).buffer;
    return addHeapObject(ret);
};

module.exports.__wbg_set_3698e3ca519b3c3c = function(arg0, arg1, arg2) {
    getObject(arg0).set(getObject(arg1), arg2 >>> 0);
};

module.exports.__wbindgen_number_get = function(arg0, arg1) {
    const obj = getObject(arg1);
    const ret = typeof(obj) === 'number' ? obj : undefined;
    getFloat64Memory0()[arg0 / 8 + 1] = isLikeNone(ret) ? 0 : ret;
    getInt32Memory0()[arg0 / 4 + 0] = !isLikeNone(ret);
};

module.exports.__wbg_instanceof_Uint8Array_1349640af2da2e88 = function(arg0) {
    let result;
    try {
        result = getObject(arg0) instanceof Uint8Array;
    } catch (_) {
        result = false;
    }
    const ret = result;
    return ret;
};

module.exports.__wbg_instanceof_ArrayBuffer_ef2632aa0d4bfff8 = function(arg0) {
    let result;
    try {
        result = getObject(arg0) instanceof ArrayBuffer;
    } catch (_) {
        result = false;
    }
    const ret = result;
    return ret;
};

module.exports.__wbindgen_debug_string = function(arg0, arg1) {
    const ret = debugString(getObject(arg1));
    const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len1 = WASM_VECTOR_LEN;
    getInt32Memory0()[arg0 / 4 + 1] = len1;
    getInt32Memory0()[arg0 / 4 + 0] = ptr1;
};

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

const path = require('path').join(__dirname, 'wasm_js_rewriter_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;