soft3/lytics/rs/ingest/static/tracker/lytics_core.js

/**
 * a tracker bound to one neuron. constructed from stored entropy (hex,
 * persisted by the loader) plus an identity domain — the key-derivation
 * salt, deliberately *not* the site hostname. every site sharing one
 * identity domain (the "cyberia" property group) derives the same neuron
 * from the same entropy, which is what makes cross-domain identity work at
 * all: entropy handed off between origins is useless if each site still
 * salts the derivation with its own hostname. the hostname visitors
 * actually see is a separate, per-event field — see `build_event`.
 */
export class Tracker {
    __destroy_into_raw() {
        const ptr = this.__wbg_ptr;
        this.__wbg_ptr = 0;
        TrackerFinalization.unregister(this);
        return ptr;
    }
    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_tracker_free(ptr, 0);
    }
    /**
     * build a signed, pow-carrying event as a ready-to-POST JSON string.
     * fields come as explicit args (no JSON parse in the wasm); the wire
     * JSON is hand-assembled from the canonical body (no serde_json). the
     * loader owns the field values, so it could equally assemble the POST
     * itself — returning the full JSON keeps u64 nonce/difficulty exact.
     * @param {string} kind
     * @param {string} hostname
     * @param {string} pathname
     * @param {string | null | undefined} navigation
     * @param {string | null | undefined} referrer
     * @param {number | null | undefined} attention_ms
     * @param {number | null | undefined} scroll_depth
     * @param {string | null | undefined} agent_name
     * @param {string | null | undefined} agent_operator
     * @param {number} timestamp
     * @param {bigint} target
     * @returns {string}
     */
    build_event(kind, hostname, pathname, navigation, referrer, attention_ms, scroll_depth, agent_name, agent_operator, timestamp, target) {
        let deferred9_0;
        let deferred9_1;
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            const ptr0 = passStringToWasm0(kind, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            const len0 = WASM_VECTOR_LEN;
            const ptr1 = passStringToWasm0(hostname, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            const len1 = WASM_VECTOR_LEN;
            const ptr2 = passStringToWasm0(pathname, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            const len2 = WASM_VECTOR_LEN;
            var ptr3 = isLikeNone(navigation) ? 0 : passStringToWasm0(navigation, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            var len3 = WASM_VECTOR_LEN;
            var ptr4 = isLikeNone(referrer) ? 0 : passStringToWasm0(referrer, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            var len4 = WASM_VECTOR_LEN;
            var ptr5 = isLikeNone(agent_name) ? 0 : passStringToWasm0(agent_name, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            var len5 = WASM_VECTOR_LEN;
            var ptr6 = isLikeNone(agent_operator) ? 0 : passStringToWasm0(agent_operator, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            var len6 = WASM_VECTOR_LEN;
            wasm.tracker_build_event(retptr, this.__wbg_ptr, ptr0, len0, ptr1, len1, ptr2, len2, ptr3, len3, ptr4, len4, !isLikeNone(attention_ms), isLikeNone(attention_ms) ? 0 : attention_ms, isLikeNone(scroll_depth) ? 0x100000001 : (scroll_depth) >>> 0, ptr5, len5, ptr6, len6, timestamp, target);
            var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true);
            var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true);
            var r2 = getDataViewMemory0().getInt32(retptr + 4 * 2, true);
            var r3 = getDataViewMemory0().getInt32(retptr + 4 * 3, true);
            var ptr8 = r0;
            var len8 = r1;
            if (r3) {
                ptr8 = 0; len8 = 0;
                throw takeObject(r2);
            }
            deferred9_0 = ptr8;
            deferred9_1 = len8;
            return getStringFromWasm0(ptr8, len8);
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
            wasm.__wbindgen_export2(deferred9_0, deferred9_1, 1);
        }
    }
    /**
     * the neuron this visitor is, shared across every site in the identity
     * domain's property group (see the struct doc).
     * @returns {string}
     */
    get neuron() {
        let deferred1_0;
        let deferred1_1;
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.tracker_neuron(retptr, this.__wbg_ptr);
            var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true);
            var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true);
            deferred1_0 = r0;
            deferred1_1 = r1;
            return getStringFromWasm0(r0, r1);
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
            wasm.__wbindgen_export2(deferred1_0, deferred1_1, 1);
        }
    }
    /**
     * bind stored entropy (32-byte hex) to an identity domain — the
     * key-derivation salt shared across every site in one property group,
     * not the visiting site's own hostname.
     * @param {string} entropy_hex
     * @param {string} identity_domain
     * @param {string} hrp
     */
    constructor(entropy_hex, identity_domain, hrp) {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            const ptr0 = passStringToWasm0(entropy_hex, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            const len0 = WASM_VECTOR_LEN;
            const ptr1 = passStringToWasm0(identity_domain, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            const len1 = WASM_VECTOR_LEN;
            const ptr2 = passStringToWasm0(hrp, wasm.__wbindgen_export3, wasm.__wbindgen_export4);
            const len2 = WASM_VECTOR_LEN;
            wasm.tracker_new(retptr, ptr0, len0, ptr1, len1, ptr2, len2);
            var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true);
            var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true);
            var r2 = getDataViewMemory0().getInt32(retptr + 4 * 2, true);
            if (r2) {
                throw takeObject(r1);
            }
            this.__wbg_ptr = r0 >>> 0;
            TrackerFinalization.register(this, this.__wbg_ptr, this);
            return this;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
}
if (Symbol.dispose) Tracker.prototype[Symbol.dispose] = Tracker.prototype.free;

/**
 * generate a fresh identity — returns 32 bytes of entropy as hex for the
 * loader to store. no wordlist is touched: the human-readable 24-word
 * backup is derived lazily by the export module only when the visitor asks.
 * the secret never leaves the browser.
 * @returns {string}
 */
export function generate_entropy() {
    let deferred1_0;
    let deferred1_1;
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        wasm.generate_entropy(retptr);
        var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true);
        var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true);
        deferred1_0 = r0;
        deferred1_1 = r1;
        return getStringFromWasm0(r0, r1);
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
        wasm.__wbindgen_export2(deferred1_0, deferred1_1, 1);
    }
}

function __wbg_get_imports() {
    const import0 = {
        __proto__: null,
        __wbg___wbindgen_is_function_d633e708baf0d146: function(arg0) {
            const ret = typeof(getObject(arg0)) === 'function';
            return ret;
        },
        __wbg___wbindgen_is_object_4b3de556756ee8a8: function(arg0) {
            const val = getObject(arg0);
            const ret = typeof(val) === 'object' && val !== null;
            return ret;
        },
        __wbg___wbindgen_is_string_7debe47dc1e045c2: function(arg0) {
            const ret = typeof(getObject(arg0)) === 'string';
            return ret;
        },
        __wbg___wbindgen_is_undefined_c18285b9fc34cb7d: function(arg0) {
            const ret = getObject(arg0) === undefined;
            return ret;
        },
        __wbg___wbindgen_throw_39bc967c0e5a9b58: function(arg0, arg1) {
            throw new Error(getStringFromWasm0(arg0, arg1));
        },
        __wbg_call_08ad0d89caa7cb79: function() { return handleError(function (arg0, arg1, arg2) {
            const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
            return addHeapObject(ret);
        }, arguments); },
        __wbg_crypto_38df2bab126b63dc: function(arg0) {
            const ret = getObject(arg0).crypto;
            return addHeapObject(ret);
        },
        __wbg_getRandomValues_c44a50d8cfdaebeb: function() { return handleError(function (arg0, arg1) {
            getObject(arg0).getRandomValues(getObject(arg1));
        }, arguments); },
        __wbg_length_5855c1f289dfffc1: function(arg0) {
            const ret = getObject(arg0).length;
            return ret;
        },
        __wbg_msCrypto_bd5a034af96bcba6: function(arg0) {
            const ret = getObject(arg0).msCrypto;
            return addHeapObject(ret);
        },
        __wbg_new_with_length_c8449d782396d344: function(arg0) {
            const ret = new Uint8Array(arg0 >>> 0);
            return addHeapObject(ret);
        },
        __wbg_node_84ea875411254db1: function(arg0) {
            const ret = getObject(arg0).node;
            return addHeapObject(ret);
        },
        __wbg_process_44c7a14e11e9f69e: function(arg0) {
            const ret = getObject(arg0).process;
            return addHeapObject(ret);
        },
        __wbg_prototypesetcall_f034d444741426c3: function(arg0, arg1, arg2) {
            Uint8Array.prototype.set.call(getArrayU8FromWasm0(arg0, arg1), getObject(arg2));
        },
        __wbg_randomFillSync_6c25eac9869eb53c: function() { return handleError(function (arg0, arg1) {
            getObject(arg0).randomFillSync(takeObject(arg1));
        }, arguments); },
        __wbg_require_b4edbdcf3e2a1ef0: function() { return handleError(function () {
            const ret = module.require;
            return addHeapObject(ret);
        }, arguments); },
        __wbg_static_accessor_GLOBAL_THIS_14325d8cca34bb77: function() {
            const ret = typeof globalThis === 'undefined' ? null : globalThis;
            return isLikeNone(ret) ? 0 : addHeapObject(ret);
        },
        __wbg_static_accessor_GLOBAL_f3a1e69f9c5a7e8e: function() {
            const ret = typeof global === 'undefined' ? null : global;
            return isLikeNone(ret) ? 0 : addHeapObject(ret);
        },
        __wbg_static_accessor_SELF_50cdb5b517789aca: function() {
            const ret = typeof self === 'undefined' ? null : self;
            return isLikeNone(ret) ? 0 : addHeapObject(ret);
        },
        __wbg_static_accessor_WINDOW_d6c4126e4c244380: function() {
            const ret = typeof window === 'undefined' ? null : window;
            return isLikeNone(ret) ? 0 : addHeapObject(ret);
        },
        __wbg_subarray_7ad5f01d4a9c1c4d: function(arg0, arg1, arg2) {
            const ret = getObject(arg0).subarray(arg1 >>> 0, arg2 >>> 0);
            return addHeapObject(ret);
        },
        __wbg_versions_276b2795b1c6a219: function(arg0) {
            const ret = getObject(arg0).versions;
            return addHeapObject(ret);
        },
        __wbindgen_cast_0000000000000001: function(arg0, arg1) {
            // Cast intrinsic for `Ref(Slice(U8)) -> NamedExternref("Uint8Array")`.
            const ret = getArrayU8FromWasm0(arg0, arg1);
            return addHeapObject(ret);
        },
        __wbindgen_cast_0000000000000002: function(arg0, arg1) {
            // Cast intrinsic for `Ref(String) -> Externref`.
            const ret = getStringFromWasm0(arg0, arg1);
            return addHeapObject(ret);
        },
        __wbindgen_object_clone_ref: function(arg0) {
            const ret = getObject(arg0);
            return addHeapObject(ret);
        },
        __wbindgen_object_drop_ref: function(arg0) {
            takeObject(arg0);
        },
    };
    return {
        __proto__: null,
        "./lytics_core_bg.js": import0,
    };
}

const TrackerFinalization = (typeof FinalizationRegistry === 'undefined')
    ? { register: () => {}, unregister: () => {} }
    : new FinalizationRegistry(ptr => wasm.__wbg_tracker_free(ptr >>> 0, 1));

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;
}

function dropObject(idx) {
    if (idx < 1028) return;
    heap[idx] = heap_next;
    heap_next = idx;
}

function getArrayU8FromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return getUint8ArrayMemory0().subarray(ptr / 1, ptr / 1 + len);
}

let cachedDataViewMemory0 = null;
function getDataViewMemory0() {
    if (cachedDataViewMemory0 === null || cachedDataViewMemory0.buffer.detached === true || (cachedDataViewMemory0.buffer.detached === undefined && cachedDataViewMemory0.buffer !== wasm.memory.buffer)) {
        cachedDataViewMemory0 = new DataView(wasm.memory.buffer);
    }
    return cachedDataViewMemory0;
}

function getStringFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return decodeText(ptr, len);
}

let cachedUint8ArrayMemory0 = null;
function getUint8ArrayMemory0() {
    if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
        cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
    }
    return cachedUint8ArrayMemory0;
}

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

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

let heap = new Array(1024).fill(undefined);
heap.push(undefined, null, true, false);

let heap_next = heap.length;

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

function passStringToWasm0(arg, malloc, realloc) {
    if (realloc === undefined) {
        const buf = cachedTextEncoder.encode(arg);
        const ptr = malloc(buf.length, 1) >>> 0;
        getUint8ArrayMemory0().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 = getUint8ArrayMemory0();

    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 = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
        const ret = cachedTextEncoder.encodeInto(arg, view);

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

    WASM_VECTOR_LEN = offset;
    return ptr;
}

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

let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
cachedTextDecoder.decode();
const MAX_SAFARI_DECODE_BYTES = 2146435072;
let numBytesDecoded = 0;
function decodeText(ptr, len) {
    numBytesDecoded += len;
    if (numBytesDecoded >= MAX_SAFARI_DECODE_BYTES) {
        cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
        cachedTextDecoder.decode();
        numBytesDecoded = len;
    }
    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
}

const cachedTextEncoder = new TextEncoder();

if (!('encodeInto' in cachedTextEncoder)) {
    cachedTextEncoder.encodeInto = function (arg, view) {
        const buf = cachedTextEncoder.encode(arg);
        view.set(buf);
        return {
            read: arg.length,
            written: buf.length
        };
    };
}

let WASM_VECTOR_LEN = 0;

let wasmModule, wasm;
function __wbg_finalize_init(instance, module) {
    wasm = instance.exports;
    wasmModule = module;
    cachedDataViewMemory0 = null;
    cachedUint8ArrayMemory0 = null;
    return wasm;
}

async function __wbg_load(module, imports) {
    if (typeof Response === 'function' && module instanceof Response) {
        if (typeof WebAssembly.instantiateStreaming === 'function') {
            try {
                return await WebAssembly.instantiateStreaming(module, imports);
            } catch (e) {
                const validResponse = module.ok && expectedResponseType(module.type);

                if (validResponse && module.headers.get('Content-Type') !== 'application/wasm') {
                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve Wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);

                } else { throw e; }
            }
        }

        const bytes = await module.arrayBuffer();
        return await WebAssembly.instantiate(bytes, imports);
    } else {
        const instance = await WebAssembly.instantiate(module, imports);

        if (instance instanceof WebAssembly.Instance) {
            return { instance, module };
        } else {
            return instance;
        }
    }

    function expectedResponseType(type) {
        switch (type) {
            case 'basic': case 'cors': case 'default': return true;
        }
        return false;
    }
}

function initSync(module) {
    if (wasm !== undefined) return wasm;


    if (module !== undefined) {
        if (Object.getPrototypeOf(module) === Object.prototype) {
            ({module} = module)
        } else {
            console.warn('using deprecated parameters for `initSync()`; pass a single object instead')
        }
    }

    const imports = __wbg_get_imports();
    if (!(module instanceof WebAssembly.Module)) {
        module = new WebAssembly.Module(module);
    }
    const instance = new WebAssembly.Instance(module, imports);
    return __wbg_finalize_init(instance, module);
}

async function __wbg_init(module_or_path) {
    if (wasm !== undefined) return wasm;


    if (module_or_path !== undefined) {
        if (Object.getPrototypeOf(module_or_path) === Object.prototype) {
            ({module_or_path} = module_or_path)
        } else {
            console.warn('using deprecated parameters for the initialization function; pass a single object instead')
        }
    }

    if (module_or_path === undefined) {
        module_or_path = new URL('lytics_core_bg.wasm', import.meta.url);
    }
    const imports = __wbg_get_imports();

    if (typeof module_or_path === 'string' || (typeof Request === 'function' && module_or_path instanceof Request) || (typeof URL === 'function' && module_or_path instanceof URL)) {
        module_or_path = fetch(module_or_path);
    }

    const { instance, module } = await __wbg_load(await module_or_path, imports);

    return __wbg_finalize_init(instance, module);
}

export { initSync, __wbg_init as default };