First upload version 0.0.1

node_modules/cmake-js/lib/dist.js

@@ -0,0 +1,176 @@
+'use strict'
+const environment = require('./environment')
+const path = require('path')
+const urljoin = require('url-join')
+const fs = require('fs-extra')
+const CMLog = require('./cmLog')
+const TargetOptions = require('./targetOptions')
+const runtimePaths = require('./runtimePaths')
+const Downloader = require('./downloader')
+const os = require('os')
+
+function testSum(sums, sum, fPath) {
+	const serverSum = sums.find(function (s) {
+		return s.getPath === fPath
+	})
+	if (serverSum && serverSum.sum === sum) {
+		return
+	}
+	throw new Error("SHA sum of file '" + fPath + "' mismatch!")
+}
+
+class Dist {
+	get internalPath() {
+		const cacheDirectory = '.cmake-js'
+		const runtimeArchDirectory = this.targetOptions.runtime + '-' + this.targetOptions.arch
+		const runtimeVersionDirectory = 'v' + this.targetOptions.runtimeVersion
+
+		return (
+			this.options.runtimeDirectory ||
+			path.join(os.homedir(), cacheDirectory, runtimeArchDirectory, runtimeVersionDirectory)
+		)
+	}
+	get externalPath() {
+		return runtimePaths.get(this.targetOptions).externalPath
+	}
+	get downloaded() {
+		let headers = false
+		let libs = true
+		let stat = getStat(this.internalPath)
+		if (stat.isDirectory()) {
+			if (this.headerOnly) {
+				stat = getStat(path.join(this.internalPath, 'include/node/node.h'))
+				headers = stat.isFile()
+			} else {
+				stat = getStat(path.join(this.internalPath, 'src/node.h'))
+				if (stat.isFile()) {
+					stat = getStat(path.join(this.internalPath, 'deps/v8/include/v8.h'))
+					headers = stat.isFile()
+				}
+			}
+			if (environment.isWin) {
+				for (const libPath of this.winLibs) {
+					stat = getStat(libPath)
+					libs = libs && stat.isFile()
+				}
+			}
+		}
+		return headers && libs
+
+		function getStat(path) {
+			try {
+				return fs.statSync(path)
+			} catch (e) {
+				return {
+					isFile: () => false,
+					isDirectory: () => false,
+				}
+			}
+		}
+	}
+	get winLibs() {
+		const libs = runtimePaths.get(this.targetOptions).winLibs
+		const result = []
+		for (const lib of libs) {
+			result.push(path.join(this.internalPath, lib.dir, lib.name))
+		}
+		return result
+	}
+	get headerOnly() {
+		return runtimePaths.get(this.targetOptions).headerOnly
+	}
+
+	constructor(options) {
+		this.options = options || {}
+		this.log = new CMLog(this.options)
+		this.targetOptions = new TargetOptions(this.options)
+		this.downloader = new Downloader(this.options)
+	}
+
+	async ensureDownloaded() {
+		if (!this.downloaded) {
+			await this.download()
+		}
+	}
+	async download() {
+		const log = this.log
+		log.info('DIST', 'Downloading distribution files to: ' + this.internalPath)
+		await fs.ensureDir(this.internalPath)
+		const sums = await this._downloadShaSums()
+		await Promise.all([this._downloadLibs(sums), this._downloadTar(sums)])
+	}
+	async _downloadShaSums() {
+		if (this.targetOptions.runtime === 'node') {
+			const sumUrl = urljoin(this.externalPath, 'SHASUMS256.txt')
+			const log = this.log
+			log.http('DIST', '\t- ' + sumUrl)
+			return (await this.downloader.downloadString(sumUrl))
+				.split('\n')
+				.map(function (line) {
+					const parts = line.split(/\s+/)
+					return {
+						getPath: parts[1],
+						sum: parts[0],
+					}
+				})
+				.filter(function (i) {
+					return i.getPath && i.sum
+				})
+		} else {
+			return null
+		}
+	}
+	async _downloadTar(sums) {
+		const log = this.log
+		const self = this
+		const tarLocalPath = runtimePaths.get(self.targetOptions).tarPath
+		const tarUrl = urljoin(self.externalPath, tarLocalPath)
+		log.http('DIST', '\t- ' + tarUrl)
+
+		const sum = await this.downloader.downloadTgz(tarUrl, {
+			hash: sums ? 'sha256' : null,
+			cwd: self.internalPath,
+			strip: 1,
+			filter: function (entryPath) {
+				if (entryPath === self.internalPath) {
+					return true
+				}
+				const ext = path.extname(entryPath)
+				return ext && ext.toLowerCase() === '.h'
+			},
+		})
+
+		if (sums) {
+			testSum(sums, sum, tarLocalPath)
+		}
+	}
+	async _downloadLibs(sums) {
+		const log = this.log
+		const self = this
+		if (!environment.isWin) {
+			return
+		}
+
+		const paths = runtimePaths.get(self.targetOptions)
+		for (const dirs of paths.winLibs) {
+			const subDir = dirs.dir
+			const fn = dirs.name
+			const fPath = subDir ? urljoin(subDir, fn) : fn
+			const libUrl = urljoin(self.externalPath, fPath)
+			log.http('DIST', '\t- ' + libUrl)
+
+			await fs.ensureDir(path.join(self.internalPath, subDir))
+
+			const sum = await this.downloader.downloadFile(libUrl, {
+				path: path.join(self.internalPath, fPath),
+				hash: sums ? 'sha256' : null,
+			})
+
+			if (sums) {
+				testSum(sums, sum, fPath)
+			}
+		}
+	}
+}
+
+module.exports = Dist