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'use strict'
const fs = require('graceful-fs')
const log = require('npmlog')
const path = require('path')
function parseConfigGypi (config) {
// translated from tools/js2c.py of Node.js
// 1. string comments
config = config.replace(/#.*/g, '')
// 2. join multiline strings
config = config.replace(/'$\s+'/mg, '')
// 3. normalize string literals from ' into "
config = config.replace(/'/g, '"')
return JSON.parse(config)
}
async function getBaseConfigGypi ({ gyp, nodeDir }) {
// try reading $nodeDir/include/node/config.gypi first when:
// 1. --dist-url or --nodedir is specified
// 2. and --force-process-config is not specified
const useCustomHeaders = gyp.opts.nodedir || gyp.opts.disturl || gyp.opts['dist-url']
const shouldReadConfigGypi = useCustomHeaders && !gyp.opts['force-process-config']
if (shouldReadConfigGypi && nodeDir) {
try {
const baseConfigGypiPath = path.resolve(nodeDir, 'include/node/config.gypi')
const baseConfigGypi = await fs.promises.readFile(baseConfigGypiPath)
return parseConfigGypi(baseConfigGypi.toString())
} catch (err) {
log.warn('read config.gypi', err.message)
}
}
// fallback to process.config if it is invalid
return JSON.parse(JSON.stringify(process.config))
}
async function getCurrentConfigGypi ({ gyp, nodeDir, vsInfo }) {
const config = await getBaseConfigGypi({ gyp, nodeDir })
if (!config.target_defaults) {
config.target_defaults = {}
}
if (!config.variables) {
config.variables = {}
}
const defaults = config.target_defaults
const variables = config.variables
// don't inherit the "defaults" from the base config.gypi.
// doing so could cause problems in cases where the `node` executable was
// compiled on a different machine (with different lib/include paths) than
// the machine where the addon is being built to
defaults.cflags = []
defaults.defines = []
defaults.include_dirs = []
defaults.libraries = []
// set the default_configuration prop
if ('debug' in gyp.opts) {
defaults.default_configuration = gyp.opts.debug ? 'Debug' : 'Release'
}
if (!defaults.default_configuration) {
defaults.default_configuration = 'Release'
}
// set the target_arch variable
variables.target_arch = gyp.opts.arch || process.arch || 'ia32'
if (variables.target_arch === 'arm64') {
defaults.msvs_configuration_platform = 'ARM64'
defaults.xcode_configuration_platform = 'arm64'
}
// set the node development directory
variables.nodedir = nodeDir
// disable -T "thin" static archives by default
variables.standalone_static_library = gyp.opts.thin ? 0 : 1
if (process.platform === 'win32') {
defaults.msbuild_toolset = vsInfo.toolset
if (vsInfo.sdk) {
defaults.msvs_windows_target_platform_version = vsInfo.sdk
}
if (variables.target_arch === 'arm64') {
if (vsInfo.versionMajor > 15 ||
(vsInfo.versionMajor === 15 && vsInfo.versionMajor >= 9)) {
defaults.msvs_enable_marmasm = 1
} else {
log.warn('Compiling ARM64 assembly is only available in\n' +
'Visual Studio 2017 version 15.9 and above')
}
}
variables.msbuild_path = vsInfo.msBuild
}
// loop through the rest of the opts and add the unknown ones as variables.
// this allows for module-specific configure flags like:
//
// $ node-gyp configure --shared-libxml2
Object.keys(gyp.opts).forEach(function (opt) {
if (opt === 'argv') {
return
}
if (opt in gyp.configDefs) {
return
}
variables[opt.replace(/-/g, '_')] = gyp.opts[opt]
})
return config
}
async function createConfigGypi ({ gyp, buildDir, nodeDir, vsInfo }) {
const configFilename = 'config.gypi'
const configPath = path.resolve(buildDir, configFilename)
log.verbose('build/' + configFilename, 'creating config file')
const config = await getCurrentConfigGypi({ gyp, nodeDir, vsInfo })
// ensures that any boolean values in config.gypi get stringified
function boolsToString (k, v) {
if (typeof v === 'boolean') {
return String(v)
}
return v
}
log.silly('build/' + configFilename, config)
// now write out the config.gypi file to the build/ dir
const prefix = '# Do not edit. File was generated by node-gyp\'s "configure" step'
const json = JSON.stringify(config, boolsToString, 2)
log.verbose('build/' + configFilename, 'writing out config file: %s', configPath)
await fs.promises.writeFile(configPath, [prefix, json, ''].join('\n'))
return configPath
}
module.exports = createConfigGypi
module.exports.test = {
parseConfigGypi: parseConfigGypi,
getCurrentConfigGypi: getCurrentConfigGypi
}
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