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#------------------------------------------------------------------------------
# $File: javascript,v 1.7 2024/11/10 14:48:55 christos Exp $
# javascript: magic for javascript and node.js scripts.
#
0 string/tw #!/bin/node Node.js script executable
!:mime application/javascript
0 string/tw #!/usr/bin/node Node.js script executable
!:mime application/javascript
0 string/tw #!/bin/nodejs Node.js script executable
!:mime application/javascript
0 string/tw #!/usr/bin/nodejs Node.js script executable
!:mime application/javascript
0 string/t #!/usr/bin/env\ node Node.js script executable
!:mime application/javascript
0 string/t #!/usr/bin/env\ nodejs Node.js script executable
!:mime application/javascript
# JavaScript
# The strength is increased to beat the C++ but lose to HTML rules,
# because javascript is embedded in hmtl files typically
0 search "use\x20strict" JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 search 'use\x20strict' JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 regex module(\\.|\\[["'])exports.*= JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 regex \^(const|var|let).*=.*require\\( JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 regex \^export\x20(function|class|default|const|var|let|async)\x20 JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 regex \\((async\x20)?function[(\x20] JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 regex \^(import|export).*\x20from\x20 JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 regex \^(import|export)\x20["']\\./ JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
0 regex typeof.*[!=]== JavaScript source
!:strength +20
!:mime application/javascript
!:ext js
# React Native minified JavaScript
0 search/128 __BUNDLE_START_TIME__= React Native minified JavaScript
!:strength +20
!:mime application/javascript
!:ext bundle/jsbundle
# Hermes by Facebook https://hermesengine.dev/
# https://github.com/facebook/hermes/blob/master/include/hermes/\
# BCGen/HBC/BytecodeFileFormat.h#L24
0 lequad 0x1F1903C103BC1FC6 Hermes JavaScript bytecode
>8 lelong x \b, version %d
# v8 JavaScript engine bytecode
# From: Alexandre Iooss <erdnaxe@crans.org>
# URL: https://v8.dev/docs/ignition
# Note: used in bytenode and NW.js protected source code
# V8 bytecode extraction was added in NodeJS v5.7.0 (V8 4.6.85.31).
# Version information is provided for some v8 versions found in NodeJS releases.
2 uleshort =0xC0DE
>0 ulelong^0xC0DE0000 >0
# Reservation table starts at 40
>>40 ulelong&0xFFFFFF00 =0x80000000
# Stub keys present
>>>24 ulelong >0
>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes,
>>>>4 ulelong =0xEE4BF478 version 5.1.281.111,
>>>>4 ulelong =0xC4A0100C version 5.5.372.43,
>>>>8 ulelong x source size: %u bytes,
>>>>12 ulelong x cpu features: %#08X,
>>>>16 ulelong x flag hash: %#08X,
>>>>20 ulelong x %u reservations,
>>>>28 ulelong x payload size: %u bytes,
>>>>32 ulelong x checksum1: %#08X,
>>>>36 ulelong x checksum2: %#08X
# No stub keys
>>>24 ulelong =0
>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes,
>>>>4 ulelong =0x54F0AD81 version 6.2.414.46,
>>>>4 ulelong =0X7D1BF182 version 6.2.414.54,
>>>>4 ulelong =0x35BA122E version 6.2.414.77,
>>>>4 ulelong =0X9319F9C2 version 6.2.414.78,
>>>>4 ulelong =0xB1240060 version 6.6.346.32,
>>>>4 ulelong =0x2B757060 version 6.7.288.46,
>>>>4 ulelong =0x09D147AA version 6.7.288.49,
>>>>4 ulelong =0xF4D4F48A version 6.8.275.32,
>>>>4 ulelong =0xD3961326 version 7.0.276.38,
>>>>8 ulelong x source size: %u bytes,
>>>>12 ulelong x cpu features: %#08X,
>>>>16 ulelong x flag hash: %#08X,
>>>>20 ulelong x %u reservations,
>>>>28 ulelong x payload size: %u bytes,
>>>>32 ulelong x checksum1: %#08X,
>>>>36 ulelong x checksum2: %#08X
# Reservation table starts at 32
>>32 ulelong&0xFFFFFF00 =0x80000000
# Second checksum present
>>>28 ulelong >0
>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes,
>>>>4 ulelong =0x21DDF627 version 7.4.288.21,
>>>>4 ulelong =0x1FC9FE84 version 7.4.288.27,
>>>>4 ulelong =0x60A99E8B version 7.5.288.22,
>>>>4 ulelong =0x4F665E90 version 7.6.303.29,
>>>>4 ulelong =0xC7ACFCDE version 7.7.299.11,
>>>>4 ulelong =0x7F641D8F version 7.7.299.13,
>>>>4 ulelong =0xFD9A4F2E version 7.8.279.17,
>>>>4 ulelong =0x3A845324 version 7.8.279.23,
>>>>4 ulelong =0xFF52FEAF version 7.9.317.25,
>>>>8 ulelong x source size: %u bytes,
>>>>12 ulelong x flag hash: %#08X,
>>>>16 ulelong x %u reservations,
>>>>20 ulelong x payload size: %u bytes,
>>>>24 ulelong x checksum1: %#08X,
>>>>28 ulelong x checksum2: %#08X
# No second checksum
>>>28 ulelong =0
>>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes,
>>>>4 ulelong =0x8725E0F8 version 8.1.307.30,
>>>>4 ulelong =0x09ED1289 version 8.1.307.31,
>>>>4 ulelong =0xA5728C87 version 8.3.110.9,
>>>>4 ulelong =0xB45C5D30 version 8.4.371.23,
>>>>4 ulelong =0xED9C278B version 8.4.371.19,
>>>>4 ulelong =0xD27BFF42 version 8.6.395.16,
>>>>8 ulelong x source size: %u bytes,
>>>>12 ulelong x flag hash: %#08X,
>>>>16 ulelong x %u reservations,
>>>>20 ulelong x payload size: %u bytes,
>>>>24 ulelong x payload checksum: %#08X
# No reservation table and code starts at 24
>>32 ulelong =0
>>>0 ulelong^0xC0DE0000 x v8 bytecode, external reference table size: %u bytes,
>>>4 ulelong =0x9A6F0B0F version 9.0.257.17,
>>>4 ulelong =0x271D5D1E version 9.0.257.24,
>>>4 ulelong =0x4EEA75DF version 9.0.257.25,
>>>4 ulelong =0x80809479 version 9.1.269.36,
>>>4 ulelong =0x55C46F65 version 9.1.269.38,
>>>4 ulelong =0x8A9C758A version 9.2.230.21,
>>>4 ulelong =0x9712F0E1 version 9.3.345.16,
>>>4 ulelong =0x29593715 version 9.4.146.19,
>>>4 ulelong =0xCD991825 version 9.4.146.24,
>>>4 ulelong =0xACDD64EE version 9.4.146.26,
>>>4 ulelong =0xC96B4CD5 version 9.5.172.21,
>>>4 ulelong =0xBCCE4578 version 9.5.172.25,
>>>4 ulelong =0xA2EEA077 version 9.6.180.15,
>>>4 ulelong =0xFD350011 version 10.1.124.8,
>>>4 ulelong =0xBEF4028F version 10.2.154.13,
>>>4 ulelong =0xAF632352 version 10.2.154.4,
>>>8 ulelong x source size: %u bytes,
>>>12 ulelong x flag hash: %#08X,
>>>16 ulelong x payload size: %u bytes,
>>>20 ulelong x payload checksum: %#08X
|
