1 2#------------------------------------------------------------------------------ 3# $File: javascript,v 1.7 2024/11/10 14:48:55 christos Exp $ 4# javascript: magic for javascript and node.js scripts. 5# 60 string/tw #!/bin/node Node.js script executable 7!:mime application/javascript 80 string/tw #!/usr/bin/node Node.js script executable 9!:mime application/javascript 100 string/tw #!/bin/nodejs Node.js script executable 11!:mime application/javascript 120 string/tw #!/usr/bin/nodejs Node.js script executable 13!:mime application/javascript 140 string/t #!/usr/bin/env\ node Node.js script executable 15!:mime application/javascript 160 string/t #!/usr/bin/env\ nodejs Node.js script executable 17!:mime application/javascript 18 19# JavaScript 20# The strength is increased to beat the C++ but lose to HTML rules, 21# because javascript is embedded in hmtl files typically 220 search "use\x20strict" JavaScript source 23!:strength +20 24!:mime application/javascript 25!:ext js 260 search 'use\x20strict' JavaScript source 27!:strength +20 28!:mime application/javascript 29!:ext js 300 regex module(\\.|\\[["'])exports.*= JavaScript source 31!:strength +20 32!:mime application/javascript 33!:ext js 340 regex \^(const|var|let).*=.*require\\( JavaScript source 35!:strength +20 36!:mime application/javascript 37!:ext js 380 regex \^export\x20(function|class|default|const|var|let|async)\x20 JavaScript source 39!:strength +20 40!:mime application/javascript 41!:ext js 420 regex \\((async\x20)?function[(\x20] JavaScript source 43!:strength +20 44!:mime application/javascript 45!:ext js 460 regex \^(import|export).*\x20from\x20 JavaScript source 47!:strength +20 48!:mime application/javascript 49!:ext js 500 regex \^(import|export)\x20["']\\./ JavaScript source 51!:strength +20 52!:mime application/javascript 53!:ext js 540 regex typeof.*[!=]== JavaScript source 55!:strength +20 56!:mime application/javascript 57!:ext js 58 59# React Native minified JavaScript 600 search/128 __BUNDLE_START_TIME__= React Native minified JavaScript 61!:strength +20 62!:mime application/javascript 63!:ext bundle/jsbundle 64 65# Hermes by Facebook https://hermesengine.dev/ 66# https://github.com/facebook/hermes/blob/master/include/hermes/\ 67# BCGen/HBC/BytecodeFileFormat.h#L24 680 lequad 0x1F1903C103BC1FC6 Hermes JavaScript bytecode 69>8 lelong x \b, version %d 70 71# v8 JavaScript engine bytecode 72# From: Alexandre Iooss <erdnaxe@crans.org> 73# URL: https://v8.dev/docs/ignition 74# Note: used in bytenode and NW.js protected source code 75# V8 bytecode extraction was added in NodeJS v5.7.0 (V8 4.6.85.31). 76# Version information is provided for some v8 versions found in NodeJS releases. 772 uleshort =0xC0DE 78>0 ulelong^0xC0DE0000 >0 79# Reservation table starts at 40 80>>40 ulelong&0xFFFFFF00 =0x80000000 81# Stub keys present 82>>>24 ulelong >0 83>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes, 84>>>>4 ulelong =0xEE4BF478 version 5.1.281.111, 85>>>>4 ulelong =0xC4A0100C version 5.5.372.43, 86>>>>8 ulelong x source size: %u bytes, 87>>>>12 ulelong x cpu features: %#08X, 88>>>>16 ulelong x flag hash: %#08X, 89>>>>20 ulelong x %u reservations, 90>>>>28 ulelong x payload size: %u bytes, 91>>>>32 ulelong x checksum1: %#08X, 92>>>>36 ulelong x checksum2: %#08X 93# No stub keys 94>>>24 ulelong =0 95>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes, 96>>>>4 ulelong =0x54F0AD81 version 6.2.414.46, 97>>>>4 ulelong =0X7D1BF182 version 6.2.414.54, 98>>>>4 ulelong =0x35BA122E version 6.2.414.77, 99>>>>4 ulelong =0X9319F9C2 version 6.2.414.78, 100>>>>4 ulelong =0xB1240060 version 6.6.346.32, 101>>>>4 ulelong =0x2B757060 version 6.7.288.46, 102>>>>4 ulelong =0x09D147AA version 6.7.288.49, 103>>>>4 ulelong =0xF4D4F48A version 6.8.275.32, 104>>>>4 ulelong =0xD3961326 version 7.0.276.38, 105>>>>8 ulelong x source size: %u bytes, 106>>>>12 ulelong x cpu features: %#08X, 107>>>>16 ulelong x flag hash: %#08X, 108>>>>20 ulelong x %u reservations, 109>>>>28 ulelong x payload size: %u bytes, 110>>>>32 ulelong x checksum1: %#08X, 111>>>>36 ulelong x checksum2: %#08X 112# Reservation table starts at 32 113>>32 ulelong&0xFFFFFF00 =0x80000000 114# Second checksum present 115>>>28 ulelong >0 116>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes, 117>>>>4 ulelong =0x21DDF627 version 7.4.288.21, 118>>>>4 ulelong =0x1FC9FE84 version 7.4.288.27, 119>>>>4 ulelong =0x60A99E8B version 7.5.288.22, 120>>>>4 ulelong =0x4F665E90 version 7.6.303.29, 121>>>>4 ulelong =0xC7ACFCDE version 7.7.299.11, 122>>>>4 ulelong =0x7F641D8F version 7.7.299.13, 123>>>>4 ulelong =0xFD9A4F2E version 7.8.279.17, 124>>>>4 ulelong =0x3A845324 version 7.8.279.23, 125>>>>4 ulelong =0xFF52FEAF version 7.9.317.25, 126>>>>8 ulelong x source size: %u bytes, 127>>>>12 ulelong x flag hash: %#08X, 128>>>>16 ulelong x %u reservations, 129>>>>20 ulelong x payload size: %u bytes, 130>>>>24 ulelong x checksum1: %#08X, 131>>>>28 ulelong x checksum2: %#08X 132# No second checksum 133>>>28 ulelong =0 134>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes, 135>>>>4 ulelong =0x8725E0F8 version 8.1.307.30, 136>>>>4 ulelong =0x09ED1289 version 8.1.307.31, 137>>>>4 ulelong =0xA5728C87 version 8.3.110.9, 138>>>>4 ulelong =0xB45C5D30 version 8.4.371.23, 139>>>>4 ulelong =0xED9C278B version 8.4.371.19, 140>>>>4 ulelong =0xD27BFF42 version 8.6.395.16, 141>>>>8 ulelong x source size: %u bytes, 142>>>>12 ulelong x flag hash: %#08X, 143>>>>16 ulelong x %u reservations, 144>>>>20 ulelong x payload size: %u bytes, 145>>>>24 ulelong x payload checksum: %#08X 146# No reservation table and code starts at 24 147>>32 ulelong =0 148>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes, 149>>>4 ulelong =0x9A6F0B0F version 9.0.257.17, 150>>>4 ulelong =0x271D5D1E version 9.0.257.24, 151>>>4 ulelong =0x4EEA75DF version 9.0.257.25, 152>>>4 ulelong =0x80809479 version 9.1.269.36, 153>>>4 ulelong =0x55C46F65 version 9.1.269.38, 154>>>4 ulelong =0x8A9C758A version 9.2.230.21, 155>>>4 ulelong =0x9712F0E1 version 9.3.345.16, 156>>>4 ulelong =0x29593715 version 9.4.146.19, 157>>>4 ulelong =0xCD991825 version 9.4.146.24, 158>>>4 ulelong =0xACDD64EE version 9.4.146.26, 159>>>4 ulelong =0xC96B4CD5 version 9.5.172.21, 160>>>4 ulelong =0xBCCE4578 version 9.5.172.25, 161>>>4 ulelong =0xA2EEA077 version 9.6.180.15, 162>>>4 ulelong =0xFD350011 version 10.1.124.8, 163>>>4 ulelong =0xBEF4028F version 10.2.154.13, 164>>>4 ulelong =0xAF632352 version 10.2.154.4, 165>>>8 ulelong x source size: %u bytes, 166>>>12 ulelong x flag hash: %#08X, 167>>>16 ulelong x payload size: %u bytes, 168>>>20 ulelong x payload checksum: %#08X 169