summaryrefslogtreecommitdiffstats
path: root/lib/llhttp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--lib/llhttp/constants.d.ts199
-rw-r--r--lib/llhttp/constants.js278
-rw-r--r--lib/llhttp/utils.d.ts4
-rw-r--r--lib/llhttp/utils.js15
-rw-r--r--lib/llhttp/wasm_build_env.txt32
5 files changed, 528 insertions, 0 deletions
diff --git a/lib/llhttp/constants.d.ts b/lib/llhttp/constants.d.ts
new file mode 100644
index 0000000..b75ab1b
--- /dev/null
+++ b/lib/llhttp/constants.d.ts
@@ -0,0 +1,199 @@
+import { IEnumMap } from './utils';
+export declare type HTTPMode = 'loose' | 'strict';
+export declare enum ERROR {
+ OK = 0,
+ INTERNAL = 1,
+ STRICT = 2,
+ LF_EXPECTED = 3,
+ UNEXPECTED_CONTENT_LENGTH = 4,
+ CLOSED_CONNECTION = 5,
+ INVALID_METHOD = 6,
+ INVALID_URL = 7,
+ INVALID_CONSTANT = 8,
+ INVALID_VERSION = 9,
+ INVALID_HEADER_TOKEN = 10,
+ INVALID_CONTENT_LENGTH = 11,
+ INVALID_CHUNK_SIZE = 12,
+ INVALID_STATUS = 13,
+ INVALID_EOF_STATE = 14,
+ INVALID_TRANSFER_ENCODING = 15,
+ CB_MESSAGE_BEGIN = 16,
+ CB_HEADERS_COMPLETE = 17,
+ CB_MESSAGE_COMPLETE = 18,
+ CB_CHUNK_HEADER = 19,
+ CB_CHUNK_COMPLETE = 20,
+ PAUSED = 21,
+ PAUSED_UPGRADE = 22,
+ PAUSED_H2_UPGRADE = 23,
+ USER = 24
+}
+export declare enum TYPE {
+ BOTH = 0,
+ REQUEST = 1,
+ RESPONSE = 2
+}
+export declare enum FLAGS {
+ CONNECTION_KEEP_ALIVE = 1,
+ CONNECTION_CLOSE = 2,
+ CONNECTION_UPGRADE = 4,
+ CHUNKED = 8,
+ UPGRADE = 16,
+ CONTENT_LENGTH = 32,
+ SKIPBODY = 64,
+ TRAILING = 128,
+ TRANSFER_ENCODING = 512
+}
+export declare enum LENIENT_FLAGS {
+ HEADERS = 1,
+ CHUNKED_LENGTH = 2,
+ KEEP_ALIVE = 4
+}
+export declare enum METHODS {
+ DELETE = 0,
+ GET = 1,
+ HEAD = 2,
+ POST = 3,
+ PUT = 4,
+ CONNECT = 5,
+ OPTIONS = 6,
+ TRACE = 7,
+ COPY = 8,
+ LOCK = 9,
+ MKCOL = 10,
+ MOVE = 11,
+ PROPFIND = 12,
+ PROPPATCH = 13,
+ SEARCH = 14,
+ UNLOCK = 15,
+ BIND = 16,
+ REBIND = 17,
+ UNBIND = 18,
+ ACL = 19,
+ REPORT = 20,
+ MKACTIVITY = 21,
+ CHECKOUT = 22,
+ MERGE = 23,
+ 'M-SEARCH' = 24,
+ NOTIFY = 25,
+ SUBSCRIBE = 26,
+ UNSUBSCRIBE = 27,
+ PATCH = 28,
+ PURGE = 29,
+ MKCALENDAR = 30,
+ LINK = 31,
+ UNLINK = 32,
+ SOURCE = 33,
+ PRI = 34,
+ DESCRIBE = 35,
+ ANNOUNCE = 36,
+ SETUP = 37,
+ PLAY = 38,
+ PAUSE = 39,
+ TEARDOWN = 40,
+ GET_PARAMETER = 41,
+ SET_PARAMETER = 42,
+ REDIRECT = 43,
+ RECORD = 44,
+ FLUSH = 45
+}
+export declare const METHODS_HTTP: METHODS[];
+export declare const METHODS_ICE: METHODS[];
+export declare const METHODS_RTSP: METHODS[];
+export declare const METHOD_MAP: IEnumMap;
+export declare const H_METHOD_MAP: IEnumMap;
+export declare enum FINISH {
+ SAFE = 0,
+ SAFE_WITH_CB = 1,
+ UNSAFE = 2
+}
+export declare type CharList = Array<string | number>;
+export declare const ALPHA: CharList;
+export declare const NUM_MAP: {
+ 0: number;
+ 1: number;
+ 2: number;
+ 3: number;
+ 4: number;
+ 5: number;
+ 6: number;
+ 7: number;
+ 8: number;
+ 9: number;
+};
+export declare const HEX_MAP: {
+ 0: number;
+ 1: number;
+ 2: number;
+ 3: number;
+ 4: number;
+ 5: number;
+ 6: number;
+ 7: number;
+ 8: number;
+ 9: number;
+ A: number;
+ B: number;
+ C: number;
+ D: number;
+ E: number;
+ F: number;
+ a: number;
+ b: number;
+ c: number;
+ d: number;
+ e: number;
+ f: number;
+};
+export declare const NUM: CharList;
+export declare const ALPHANUM: CharList;
+export declare const MARK: CharList;
+export declare const USERINFO_CHARS: CharList;
+export declare const STRICT_URL_CHAR: CharList;
+export declare const URL_CHAR: CharList;
+export declare const HEX: CharList;
+export declare const STRICT_TOKEN: CharList;
+export declare const TOKEN: CharList;
+export declare const HEADER_CHARS: CharList;
+export declare const CONNECTION_TOKEN_CHARS: CharList;
+export declare const MAJOR: {
+ 0: number;
+ 1: number;
+ 2: number;
+ 3: number;
+ 4: number;
+ 5: number;
+ 6: number;
+ 7: number;
+ 8: number;
+ 9: number;
+};
+export declare const MINOR: {
+ 0: number;
+ 1: number;
+ 2: number;
+ 3: number;
+ 4: number;
+ 5: number;
+ 6: number;
+ 7: number;
+ 8: number;
+ 9: number;
+};
+export declare enum HEADER_STATE {
+ GENERAL = 0,
+ CONNECTION = 1,
+ CONTENT_LENGTH = 2,
+ TRANSFER_ENCODING = 3,
+ UPGRADE = 4,
+ CONNECTION_KEEP_ALIVE = 5,
+ CONNECTION_CLOSE = 6,
+ CONNECTION_UPGRADE = 7,
+ TRANSFER_ENCODING_CHUNKED = 8
+}
+export declare const SPECIAL_HEADERS: {
+ connection: HEADER_STATE;
+ 'content-length': HEADER_STATE;
+ 'proxy-connection': HEADER_STATE;
+ 'transfer-encoding': HEADER_STATE;
+ upgrade: HEADER_STATE;
+};
diff --git a/lib/llhttp/constants.js b/lib/llhttp/constants.js
new file mode 100644
index 0000000..fb0b5a2
--- /dev/null
+++ b/lib/llhttp/constants.js
@@ -0,0 +1,278 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.SPECIAL_HEADERS = exports.HEADER_STATE = exports.MINOR = exports.MAJOR = exports.CONNECTION_TOKEN_CHARS = exports.HEADER_CHARS = exports.TOKEN = exports.STRICT_TOKEN = exports.HEX = exports.URL_CHAR = exports.STRICT_URL_CHAR = exports.USERINFO_CHARS = exports.MARK = exports.ALPHANUM = exports.NUM = exports.HEX_MAP = exports.NUM_MAP = exports.ALPHA = exports.FINISH = exports.H_METHOD_MAP = exports.METHOD_MAP = exports.METHODS_RTSP = exports.METHODS_ICE = exports.METHODS_HTTP = exports.METHODS = exports.LENIENT_FLAGS = exports.FLAGS = exports.TYPE = exports.ERROR = void 0;
+const utils_1 = require("./utils");
+// C headers
+var ERROR;
+(function (ERROR) {
+ ERROR[ERROR["OK"] = 0] = "OK";
+ ERROR[ERROR["INTERNAL"] = 1] = "INTERNAL";
+ ERROR[ERROR["STRICT"] = 2] = "STRICT";
+ ERROR[ERROR["LF_EXPECTED"] = 3] = "LF_EXPECTED";
+ ERROR[ERROR["UNEXPECTED_CONTENT_LENGTH"] = 4] = "UNEXPECTED_CONTENT_LENGTH";
+ ERROR[ERROR["CLOSED_CONNECTION"] = 5] = "CLOSED_CONNECTION";
+ ERROR[ERROR["INVALID_METHOD"] = 6] = "INVALID_METHOD";
+ ERROR[ERROR["INVALID_URL"] = 7] = "INVALID_URL";
+ ERROR[ERROR["INVALID_CONSTANT"] = 8] = "INVALID_CONSTANT";
+ ERROR[ERROR["INVALID_VERSION"] = 9] = "INVALID_VERSION";
+ ERROR[ERROR["INVALID_HEADER_TOKEN"] = 10] = "INVALID_HEADER_TOKEN";
+ ERROR[ERROR["INVALID_CONTENT_LENGTH"] = 11] = "INVALID_CONTENT_LENGTH";
+ ERROR[ERROR["INVALID_CHUNK_SIZE"] = 12] = "INVALID_CHUNK_SIZE";
+ ERROR[ERROR["INVALID_STATUS"] = 13] = "INVALID_STATUS";
+ ERROR[ERROR["INVALID_EOF_STATE"] = 14] = "INVALID_EOF_STATE";
+ ERROR[ERROR["INVALID_TRANSFER_ENCODING"] = 15] = "INVALID_TRANSFER_ENCODING";
+ ERROR[ERROR["CB_MESSAGE_BEGIN"] = 16] = "CB_MESSAGE_BEGIN";
+ ERROR[ERROR["CB_HEADERS_COMPLETE"] = 17] = "CB_HEADERS_COMPLETE";
+ ERROR[ERROR["CB_MESSAGE_COMPLETE"] = 18] = "CB_MESSAGE_COMPLETE";
+ ERROR[ERROR["CB_CHUNK_HEADER"] = 19] = "CB_CHUNK_HEADER";
+ ERROR[ERROR["CB_CHUNK_COMPLETE"] = 20] = "CB_CHUNK_COMPLETE";
+ ERROR[ERROR["PAUSED"] = 21] = "PAUSED";
+ ERROR[ERROR["PAUSED_UPGRADE"] = 22] = "PAUSED_UPGRADE";
+ ERROR[ERROR["PAUSED_H2_UPGRADE"] = 23] = "PAUSED_H2_UPGRADE";
+ ERROR[ERROR["USER"] = 24] = "USER";
+})(ERROR = exports.ERROR || (exports.ERROR = {}));
+var TYPE;
+(function (TYPE) {
+ TYPE[TYPE["BOTH"] = 0] = "BOTH";
+ TYPE[TYPE["REQUEST"] = 1] = "REQUEST";
+ TYPE[TYPE["RESPONSE"] = 2] = "RESPONSE";
+})(TYPE = exports.TYPE || (exports.TYPE = {}));
+var FLAGS;
+(function (FLAGS) {
+ FLAGS[FLAGS["CONNECTION_KEEP_ALIVE"] = 1] = "CONNECTION_KEEP_ALIVE";
+ FLAGS[FLAGS["CONNECTION_CLOSE"] = 2] = "CONNECTION_CLOSE";
+ FLAGS[FLAGS["CONNECTION_UPGRADE"] = 4] = "CONNECTION_UPGRADE";
+ FLAGS[FLAGS["CHUNKED"] = 8] = "CHUNKED";
+ FLAGS[FLAGS["UPGRADE"] = 16] = "UPGRADE";
+ FLAGS[FLAGS["CONTENT_LENGTH"] = 32] = "CONTENT_LENGTH";
+ FLAGS[FLAGS["SKIPBODY"] = 64] = "SKIPBODY";
+ FLAGS[FLAGS["TRAILING"] = 128] = "TRAILING";
+ // 1 << 8 is unused
+ FLAGS[FLAGS["TRANSFER_ENCODING"] = 512] = "TRANSFER_ENCODING";
+})(FLAGS = exports.FLAGS || (exports.FLAGS = {}));
+var LENIENT_FLAGS;
+(function (LENIENT_FLAGS) {
+ LENIENT_FLAGS[LENIENT_FLAGS["HEADERS"] = 1] = "HEADERS";
+ LENIENT_FLAGS[LENIENT_FLAGS["CHUNKED_LENGTH"] = 2] = "CHUNKED_LENGTH";
+ LENIENT_FLAGS[LENIENT_FLAGS["KEEP_ALIVE"] = 4] = "KEEP_ALIVE";
+})(LENIENT_FLAGS = exports.LENIENT_FLAGS || (exports.LENIENT_FLAGS = {}));
+var METHODS;
+(function (METHODS) {
+ METHODS[METHODS["DELETE"] = 0] = "DELETE";
+ METHODS[METHODS["GET"] = 1] = "GET";
+ METHODS[METHODS["HEAD"] = 2] = "HEAD";
+ METHODS[METHODS["POST"] = 3] = "POST";
+ METHODS[METHODS["PUT"] = 4] = "PUT";
+ /* pathological */
+ METHODS[METHODS["CONNECT"] = 5] = "CONNECT";
+ METHODS[METHODS["OPTIONS"] = 6] = "OPTIONS";
+ METHODS[METHODS["TRACE"] = 7] = "TRACE";
+ /* WebDAV */
+ METHODS[METHODS["COPY"] = 8] = "COPY";
+ METHODS[METHODS["LOCK"] = 9] = "LOCK";
+ METHODS[METHODS["MKCOL"] = 10] = "MKCOL";
+ METHODS[METHODS["MOVE"] = 11] = "MOVE";
+ METHODS[METHODS["PROPFIND"] = 12] = "PROPFIND";
+ METHODS[METHODS["PROPPATCH"] = 13] = "PROPPATCH";
+ METHODS[METHODS["SEARCH"] = 14] = "SEARCH";
+ METHODS[METHODS["UNLOCK"] = 15] = "UNLOCK";
+ METHODS[METHODS["BIND"] = 16] = "BIND";
+ METHODS[METHODS["REBIND"] = 17] = "REBIND";
+ METHODS[METHODS["UNBIND"] = 18] = "UNBIND";
+ METHODS[METHODS["ACL"] = 19] = "ACL";
+ /* subversion */
+ METHODS[METHODS["REPORT"] = 20] = "REPORT";
+ METHODS[METHODS["MKACTIVITY"] = 21] = "MKACTIVITY";
+ METHODS[METHODS["CHECKOUT"] = 22] = "CHECKOUT";
+ METHODS[METHODS["MERGE"] = 23] = "MERGE";
+ /* upnp */
+ METHODS[METHODS["M-SEARCH"] = 24] = "M-SEARCH";
+ METHODS[METHODS["NOTIFY"] = 25] = "NOTIFY";
+ METHODS[METHODS["SUBSCRIBE"] = 26] = "SUBSCRIBE";
+ METHODS[METHODS["UNSUBSCRIBE"] = 27] = "UNSUBSCRIBE";
+ /* RFC-5789 */
+ METHODS[METHODS["PATCH"] = 28] = "PATCH";
+ METHODS[METHODS["PURGE"] = 29] = "PURGE";
+ /* CalDAV */
+ METHODS[METHODS["MKCALENDAR"] = 30] = "MKCALENDAR";
+ /* RFC-2068, section 19.6.1.2 */
+ METHODS[METHODS["LINK"] = 31] = "LINK";
+ METHODS[METHODS["UNLINK"] = 32] = "UNLINK";
+ /* icecast */
+ METHODS[METHODS["SOURCE"] = 33] = "SOURCE";
+ /* RFC-7540, section 11.6 */
+ METHODS[METHODS["PRI"] = 34] = "PRI";
+ /* RFC-2326 RTSP */
+ METHODS[METHODS["DESCRIBE"] = 35] = "DESCRIBE";
+ METHODS[METHODS["ANNOUNCE"] = 36] = "ANNOUNCE";
+ METHODS[METHODS["SETUP"] = 37] = "SETUP";
+ METHODS[METHODS["PLAY"] = 38] = "PLAY";
+ METHODS[METHODS["PAUSE"] = 39] = "PAUSE";
+ METHODS[METHODS["TEARDOWN"] = 40] = "TEARDOWN";
+ METHODS[METHODS["GET_PARAMETER"] = 41] = "GET_PARAMETER";
+ METHODS[METHODS["SET_PARAMETER"] = 42] = "SET_PARAMETER";
+ METHODS[METHODS["REDIRECT"] = 43] = "REDIRECT";
+ METHODS[METHODS["RECORD"] = 44] = "RECORD";
+ /* RAOP */
+ METHODS[METHODS["FLUSH"] = 45] = "FLUSH";
+})(METHODS = exports.METHODS || (exports.METHODS = {}));
+exports.METHODS_HTTP = [
+ METHODS.DELETE,
+ METHODS.GET,
+ METHODS.HEAD,
+ METHODS.POST,
+ METHODS.PUT,
+ METHODS.CONNECT,
+ METHODS.OPTIONS,
+ METHODS.TRACE,
+ METHODS.COPY,
+ METHODS.LOCK,
+ METHODS.MKCOL,
+ METHODS.MOVE,
+ METHODS.PROPFIND,
+ METHODS.PROPPATCH,
+ METHODS.SEARCH,
+ METHODS.UNLOCK,
+ METHODS.BIND,
+ METHODS.REBIND,
+ METHODS.UNBIND,
+ METHODS.ACL,
+ METHODS.REPORT,
+ METHODS.MKACTIVITY,
+ METHODS.CHECKOUT,
+ METHODS.MERGE,
+ METHODS['M-SEARCH'],
+ METHODS.NOTIFY,
+ METHODS.SUBSCRIBE,
+ METHODS.UNSUBSCRIBE,
+ METHODS.PATCH,
+ METHODS.PURGE,
+ METHODS.MKCALENDAR,
+ METHODS.LINK,
+ METHODS.UNLINK,
+ METHODS.PRI,
+ // TODO(indutny): should we allow it with HTTP?
+ METHODS.SOURCE,
+];
+exports.METHODS_ICE = [
+ METHODS.SOURCE,
+];
+exports.METHODS_RTSP = [
+ METHODS.OPTIONS,
+ METHODS.DESCRIBE,
+ METHODS.ANNOUNCE,
+ METHODS.SETUP,
+ METHODS.PLAY,
+ METHODS.PAUSE,
+ METHODS.TEARDOWN,
+ METHODS.GET_PARAMETER,
+ METHODS.SET_PARAMETER,
+ METHODS.REDIRECT,
+ METHODS.RECORD,
+ METHODS.FLUSH,
+ // For AirPlay
+ METHODS.GET,
+ METHODS.POST,
+];
+exports.METHOD_MAP = utils_1.enumToMap(METHODS);
+exports.H_METHOD_MAP = {};
+Object.keys(exports.METHOD_MAP).forEach((key) => {
+ if (/^H/.test(key)) {
+ exports.H_METHOD_MAP[key] = exports.METHOD_MAP[key];
+ }
+});
+var FINISH;
+(function (FINISH) {
+ FINISH[FINISH["SAFE"] = 0] = "SAFE";
+ FINISH[FINISH["SAFE_WITH_CB"] = 1] = "SAFE_WITH_CB";
+ FINISH[FINISH["UNSAFE"] = 2] = "UNSAFE";
+})(FINISH = exports.FINISH || (exports.FINISH = {}));
+exports.ALPHA = [];
+for (let i = 'A'.charCodeAt(0); i <= 'Z'.charCodeAt(0); i++) {
+ // Upper case
+ exports.ALPHA.push(String.fromCharCode(i));
+ // Lower case
+ exports.ALPHA.push(String.fromCharCode(i + 0x20));
+}
+exports.NUM_MAP = {
+ 0: 0, 1: 1, 2: 2, 3: 3, 4: 4,
+ 5: 5, 6: 6, 7: 7, 8: 8, 9: 9,
+};
+exports.HEX_MAP = {
+ 0: 0, 1: 1, 2: 2, 3: 3, 4: 4,
+ 5: 5, 6: 6, 7: 7, 8: 8, 9: 9,
+ A: 0XA, B: 0XB, C: 0XC, D: 0XD, E: 0XE, F: 0XF,
+ a: 0xa, b: 0xb, c: 0xc, d: 0xd, e: 0xe, f: 0xf,
+};
+exports.NUM = [
+ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
+];
+exports.ALPHANUM = exports.ALPHA.concat(exports.NUM);
+exports.MARK = ['-', '_', '.', '!', '~', '*', '\'', '(', ')'];
+exports.USERINFO_CHARS = exports.ALPHANUM
+ .concat(exports.MARK)
+ .concat(['%', ';', ':', '&', '=', '+', '$', ',']);
+// TODO(indutny): use RFC
+exports.STRICT_URL_CHAR = [
+ '!', '"', '$', '%', '&', '\'',
+ '(', ')', '*', '+', ',', '-', '.', '/',
+ ':', ';', '<', '=', '>',
+ '@', '[', '\\', ']', '^', '_',
+ '`',
+ '{', '|', '}', '~',
+].concat(exports.ALPHANUM);
+exports.URL_CHAR = exports.STRICT_URL_CHAR
+ .concat(['\t', '\f']);
+// All characters with 0x80 bit set to 1
+for (let i = 0x80; i <= 0xff; i++) {
+ exports.URL_CHAR.push(i);
+}
+exports.HEX = exports.NUM.concat(['a', 'b', 'c', 'd', 'e', 'f', 'A', 'B', 'C', 'D', 'E', 'F']);
+/* Tokens as defined by rfc 2616. Also lowercases them.
+ * token = 1*<any CHAR except CTLs or separators>
+ * separators = "(" | ")" | "<" | ">" | "@"
+ * | "," | ";" | ":" | "\" | <">
+ * | "/" | "[" | "]" | "?" | "="
+ * | "{" | "}" | SP | HT
+ */
+exports.STRICT_TOKEN = [
+ '!', '#', '$', '%', '&', '\'',
+ '*', '+', '-', '.',
+ '^', '_', '`',
+ '|', '~',
+].concat(exports.ALPHANUM);
+exports.TOKEN = exports.STRICT_TOKEN.concat([' ']);
+/*
+ * Verify that a char is a valid visible (printable) US-ASCII
+ * character or %x80-FF
+ */
+exports.HEADER_CHARS = ['\t'];
+for (let i = 32; i <= 255; i++) {
+ if (i !== 127) {
+ exports.HEADER_CHARS.push(i);
+ }
+}
+// ',' = \x44
+exports.CONNECTION_TOKEN_CHARS = exports.HEADER_CHARS.filter((c) => c !== 44);
+exports.MAJOR = exports.NUM_MAP;
+exports.MINOR = exports.MAJOR;
+var HEADER_STATE;
+(function (HEADER_STATE) {
+ HEADER_STATE[HEADER_STATE["GENERAL"] = 0] = "GENERAL";
+ HEADER_STATE[HEADER_STATE["CONNECTION"] = 1] = "CONNECTION";
+ HEADER_STATE[HEADER_STATE["CONTENT_LENGTH"] = 2] = "CONTENT_LENGTH";
+ HEADER_STATE[HEADER_STATE["TRANSFER_ENCODING"] = 3] = "TRANSFER_ENCODING";
+ HEADER_STATE[HEADER_STATE["UPGRADE"] = 4] = "UPGRADE";
+ HEADER_STATE[HEADER_STATE["CONNECTION_KEEP_ALIVE"] = 5] = "CONNECTION_KEEP_ALIVE";
+ HEADER_STATE[HEADER_STATE["CONNECTION_CLOSE"] = 6] = "CONNECTION_CLOSE";
+ HEADER_STATE[HEADER_STATE["CONNECTION_UPGRADE"] = 7] = "CONNECTION_UPGRADE";
+ HEADER_STATE[HEADER_STATE["TRANSFER_ENCODING_CHUNKED"] = 8] = "TRANSFER_ENCODING_CHUNKED";
+})(HEADER_STATE = exports.HEADER_STATE || (exports.HEADER_STATE = {}));
+exports.SPECIAL_HEADERS = {
+ 'connection': HEADER_STATE.CONNECTION,
+ 'content-length': HEADER_STATE.CONTENT_LENGTH,
+ 'proxy-connection': HEADER_STATE.CONNECTION,
+ 'transfer-encoding': HEADER_STATE.TRANSFER_ENCODING,
+ 'upgrade': HEADER_STATE.UPGRADE,
+};
+//# sourceMappingURL=constants.js.map \ No newline at end of file
diff --git a/lib/llhttp/utils.d.ts b/lib/llhttp/utils.d.ts
new file mode 100644
index 0000000..15497f3
--- /dev/null
+++ b/lib/llhttp/utils.d.ts
@@ -0,0 +1,4 @@
+export interface IEnumMap {
+ [key: string]: number;
+}
+export declare function enumToMap(obj: any): IEnumMap;
diff --git a/lib/llhttp/utils.js b/lib/llhttp/utils.js
new file mode 100644
index 0000000..8a32e56
--- /dev/null
+++ b/lib/llhttp/utils.js
@@ -0,0 +1,15 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.enumToMap = void 0;
+function enumToMap(obj) {
+ const res = {};
+ Object.keys(obj).forEach((key) => {
+ const value = obj[key];
+ if (typeof value === 'number') {
+ res[key] = value;
+ }
+ });
+ return res;
+}
+exports.enumToMap = enumToMap;
+//# sourceMappingURL=utils.js.map \ No newline at end of file
diff --git a/lib/llhttp/wasm_build_env.txt b/lib/llhttp/wasm_build_env.txt
new file mode 100644
index 0000000..5f478b5
--- /dev/null
+++ b/lib/llhttp/wasm_build_env.txt
@@ -0,0 +1,32 @@
+alpine-baselayout-data-3.4.0-r0
+musl-1.2.3-r4
+busybox-1.35.0-r29
+busybox-binsh-1.35.0-r29
+alpine-baselayout-3.4.0-r0
+alpine-keys-2.4-r1
+ca-certificates-bundle-20220614-r4
+libcrypto3-3.0.8-r3
+libssl3-3.0.8-r3
+ssl_client-1.35.0-r29
+zlib-1.2.13-r0
+apk-tools-2.12.10-r1
+scanelf-1.3.5-r1
+musl-utils-1.2.3-r4
+libc-utils-0.7.2-r3
+libgcc-12.2.1_git20220924-r4
+libstdc++-12.2.1_git20220924-r4
+libffi-3.4.4-r0
+xz-libs-5.2.9-r0
+libxml2-2.10.4-r0
+zstd-libs-1.5.5-r0
+llvm15-libs-15.0.7-r0
+clang15-libs-15.0.7-r0
+libstdc++-dev-12.2.1_git20220924-r4
+clang15-15.0.7-r0
+lld-libs-15.0.7-r0
+lld-15.0.7-r0
+wasi-libc-0.20220525-r1
+wasi-libcxx-15.0.7-r0
+wasi-libcxxabi-15.0.7-r0
+wasi-compiler-rt-15.0.7-r0
+wasi-sdk-16-r0