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最近想做一個自動處理的流程工具，由于是要在window下能執(zhí)行的命令，之前是想用window 下的shell來完成，由于window shell 不是很方便處理多流程的事情，想用nodejs腳本來進行，可是nodejs又依賴node包就顯示的很麻煩，有沒有不用安裝其他包能直接運行的腳本呢，答案是有的，可以將nodejs代碼打包成可執(zhí)行的文件，就可以了，下面是打包工具的使用

將Node.js打包為可執(zhí)行文件的工具有pkg、nexe、node-packer、enclose等

pkg的打包原理簡單來說，就是將js代碼以及相關(guān)的資源文件打包到可執(zhí)行文件中，然后劫持fs里面的一些函數(shù)，使它能夠讀到可執(zhí)行文件中的代碼和資源文件。例如，原來的require(’./a.js’)會被劫持到一個虛擬目錄require(’/snapshot/a.js’)。

全局下載

npm install pkg -g

pkg使用比較簡單，執(zhí)行下

pkg -h

pkg [options] <input>

Options:

-h, --help           output usage information
-v, --version        output pkg version
-t, --targets        comma-separated list of targets (see examples)
-c, --config         package.json or any json file with top-level config
--options            bake v8 options into executable to run with them on
-o, --output         output file name or template for several files
--out-path           path to save output one or more executables
-d, --debug          show more information during packaging process [off]
-b, --build          don't download prebuilt base binaries, build them
--public             speed up and disclose the sources of top-level project
--public-packages    force specified packages to be considered public
--no-bytecode        skip bytecode generation and include source files as plain js
--no-native-build    skip native addons build
--no-dict            comma-separated list of packages names to ignore dictionaries. Use --no-dict * to disable all dictionaries
-C, --compress       [default=None] compression algorithm = Brotli or GZip

Examples:

– Makes executables for Linux, macOS and Windows
$pkg index.js – Takes package.json from cwd and follows 'bin' entry$ pkg .
– Makes executable for particular target machine
$pkg -t node14-win-arm64 index.js – Makes executables for target machines of your choice$ pkg -t node12-linux,node14-linux,node14-win index.js
– Bakes '--expose-gc' and '--max-heap-size=34' into executable
$pkg --options "expose-gc,max-heap-size=34" index.js – Consider packageA and packageB to be public$ pkg --public-packages "packageA,packageB" index.js
– Consider all packages to be public
$pkg --public-packages "*" index.js – Bakes '--expose-gc' into executable$ pkg --options expose-gc index.js
– reduce size of the data packed inside the executable with GZip
$ pkg --compress GZip index.js