72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
if (typeof require.addon === 'function') {
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module.exports = require.addon.bind(require)
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} else {
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const url = require('url')
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const fs = require('fs')
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const resolve = require('bare-addon-resolve')
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let host = process.platform + '-' + process.arch
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const conditions = ['addon', 'node', process.platform, process.arch]
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const extensions = ['.node']
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if (isAlpine()) {
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host += '-musl'
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conditions.push('musl')
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}
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module.exports = function addon(specifier, parentURL) {
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if (typeof parentURL === 'string') parentURL = url.pathToFileURL(parentURL)
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const candidates = []
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let cause
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for (const resolution of resolve(
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specifier,
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parentURL,
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{ host, conditions, extensions },
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readPackage
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)) {
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candidates.push(resolution)
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switch (resolution.protocol) {
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case 'file:':
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try {
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return require(url.fileURLToPath(resolution))
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} catch (err) {
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cause = err
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continue
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}
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}
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}
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let message = `Cannot find addon '${specifier}' imported from '${parentURL.href}'`
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if (candidates.length > 0) {
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message += '\nCandidates:'
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message += '\n' + candidates.map((url) => '- ' + url.href).join('\n')
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}
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const err = new Error(message, cause ? { cause } : {})
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err.code = 'ADDON_NOT_FOUND'
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err.specifier = specifier
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err.referrer = parentURL
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err.candidates = candidates
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throw err
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}
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function readPackage(packageURL) {
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try {
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return require(url.fileURLToPath(packageURL))
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} catch (err) {
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return null
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}
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}
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function isAlpine() {
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return process.platform === 'linux' && fs.existsSync('/etc/alpine-release')
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}
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}
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