@oxc-parser/wasm/web/oxc_parser_wasm.js

Wasm target for the oxc parser.

let wasm;

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;
}

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 handleError(f, args) {
    try {
        return f.apply(this, args);
    } catch (e) {
        wasm.__wbindgen_export_0(addHeapObject(e));
    }
}

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 && 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;
}

let WASM_VECTOR_LEN = 0;

let cachedUint8ArrayMemory0 = null;

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

const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );

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;
        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 = encodeString(arg, view);

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

    WASM_VECTOR_LEN = offset;
    return ptr;
}

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;
}

const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );

if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };

function getStringFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
}

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

function getArrayJsValueFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    const mem = getDataViewMemory0();
    const result = [];
    for (let i = ptr; i < ptr + 4 * len; i += 4) {
        result.push(takeObject(mem.getUint32(i, true)));
    }
    return result;
}
/**
 * # Errors
 *
 * * wasm bindgen serialization failed
 *
 * # Panics
 *
 * * File extension is invalid
 * * Serde JSON serialization
 * @param {string} source_text
 * @param {ParserOptions | null} [options]
 * @returns {ParseResult}
 */
export function parseSync(source_text, options) {
    try {
        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
        const ptr0 = passStringToWasm0(source_text, wasm.__wbindgen_export_1, wasm.__wbindgen_export_2);
        const len0 = WASM_VECTOR_LEN;
        wasm.parseSync(retptr, ptr0, len0, isLikeNone(options) ? 0 : addHeapObject(options));
        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);
        }
        return ParseResult.__wrap(r0);
    } finally {
        wasm.__wbindgen_add_to_stack_pointer(16);
    }
}

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

export class ParseResult {
    __program;

    get program() {
        if (this.__program) return this.__program;
        return this.__program = JSON.parse(this.programJson, function(key, value) {
            if (value === null && key === 'value' && Object.hasOwn(this, 'type') && this.type === 'Literal') {
                if (Object.hasOwn(this, 'bigint')) {
                    return BigInt(this.bigint);
                }
                if (Object.hasOwn(this, 'regex')) {
                    const { regex } = this;
                    try {
                        return RegExp(regex.pattern, regex.flags);
                    } catch (_err) {}
                }
            }
            return value;
        });
    }

    static __wrap(ptr) {
        ptr = ptr >>> 0;
        const obj = Object.create(ParseResult.prototype);
        obj.__wbg_ptr = ptr;
        ParseResultFinalization.register(obj, obj.__wbg_ptr, obj);
        return obj;
    }

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

    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_parseresult_free(ptr, 0);
    }
    /**
     * @returns {string}
     */
    get programJson() {
        let deferred1_0;
        let deferred1_1;
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.__wbg_get_parseresult_programJson(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_export_3(deferred1_0, deferred1_1, 1);
        }
    }
    /**
     * @returns {any[]}
     */
    get comments() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.__wbg_get_parseresult_comments(retptr, this.__wbg_ptr);
            var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true);
            var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true);
            var v1 = getArrayJsValueFromWasm0(r0, r1).slice();
            wasm.__wbindgen_export_3(r0, r1 * 4, 4);
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
     * @returns {any[]}
     */
    get errors() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.__wbg_get_parseresult_errors(retptr, this.__wbg_ptr);
            var r0 = getDataViewMemory0().getInt32(retptr + 4 * 0, true);
            var r1 = getDataViewMemory0().getInt32(retptr + 4 * 1, true);
            var v1 = getArrayJsValueFromWasm0(r0, r1).slice();
            wasm.__wbindgen_export_3(r0, r1 * 4, 4);
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
}

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) {
                if (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 __wbg_get_imports() {
    const imports = {};
    imports.wbg = {};
    imports.wbg.__wbg_new_405e22f390576ce2 = function() {
        const ret = new Object();
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_set_3f1d0b984ed272ed = function(arg0, arg1, arg2) {
        getObject(arg0)[takeObject(arg1)] = takeObject(arg2);
    };
    imports.wbg.__wbg_stringify_f7ed6987935b4a24 = function() { return handleError(function (arg0) {
        const ret = JSON.stringify(getObject(arg0));
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbindgen_bigint_from_u64 = function(arg0) {
        const ret = BigInt.asUintN(64, arg0);
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
        const ret = debugString(getObject(arg1));
        const ptr1 = passStringToWasm0(ret, wasm.__wbindgen_export_1, wasm.__wbindgen_export_2);
        const len1 = WASM_VECTOR_LEN;
        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
    };
    imports.wbg.__wbindgen_error_new = function(arg0, arg1) {
        const ret = new Error(getStringFromWasm0(arg0, arg1));
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_is_undefined = function(arg0) {
        const ret = getObject(arg0) === undefined;
        return ret;
    };
    imports.wbg.__wbindgen_number_new = function(arg0) {
        const ret = arg0;
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_object_clone_ref = function(arg0) {
        const ret = getObject(arg0);
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
        takeObject(arg0);
    };
    imports.wbg.__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_export_1, wasm.__wbindgen_export_2);
        var len1 = WASM_VECTOR_LEN;
        getDataViewMemory0().setInt32(arg0 + 4 * 1, len1, true);
        getDataViewMemory0().setInt32(arg0 + 4 * 0, ptr1, true);
    };
    imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
        const ret = getStringFromWasm0(arg0, arg1);
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
        throw new Error(getStringFromWasm0(arg0, arg1));
    };

    return imports;
}

function __wbg_init_memory(imports, memory) {

}

function __wbg_finalize_init(instance, module) {
    wasm = instance.exports;
    __wbg_init.__wbindgen_wasm_module = module;
    cachedDataViewMemory0 = null;
    cachedUint8ArrayMemory0 = null;



    return wasm;
}

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


    if (typeof 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();

    __wbg_init_memory(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 (typeof 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 (typeof module_or_path === 'undefined') {
        module_or_path = new URL('oxc_parser_wasm_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);
    }

    __wbg_init_memory(imports);

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

    return __wbg_finalize_init(instance, module);
}

export { initSync };
export default __wbg_init;