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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| 'use strict' | ||
|
|
||
| var checksumStream = require('checksum-stream') | ||
| var dezalgo = require('dezalgo') | ||
| var finished = require('mississippi').finished | ||
| var gunzip = require('./util/gunzip-maybe') | ||
| var minimatch = require('minimatch') | ||
| var normalize = require('normalize-package-data') | ||
| var optCheck = require('./util/opt-check') | ||
| var path = require('path') | ||
| var pipe = require('mississippi').pipe | ||
| var pipeline = require('mississippi').pipeline | ||
| var tar = require('tar-stream') | ||
| var through = require('mississippi').through | ||
|
|
||
| module.exports = finalizeManifest | ||
| function finalizeManifest (pkg, spec, opts, cb) { | ||
| tarballedProps(pkg, spec, opts, function (err, props) { | ||
| if (err) { return cb(err) } | ||
| // normalize should not add any fields, and once | ||
| // makeManifest completes, it should never be modified. | ||
| cb(null, new Manifest(pkg, props)) | ||
| }) | ||
| } | ||
|
|
||
| module.exports.Manifest = Manifest | ||
| function Manifest (pkg, fromTarball) { | ||
| fromTarball = fromTarball || {} | ||
| this.name = pkg.name | ||
| this.version = pkg.version | ||
| this.dependencies = pkg.dependencies || {} | ||
| this.optionalDependencies = pkg.optionalDependencies || {} | ||
| this.devDependencies = pkg.devDependencies || {} | ||
| var bundled = ( | ||
| pkg.bundledDependencies || | ||
| pkg.bundleDependencies || | ||
| false | ||
| ) | ||
| this.bundleDependencies = bundled | ||
| this.peerDependencies = pkg.peerDependencies || {} | ||
|
|
||
| // This one depends entirely on each handler. | ||
| this._resolved = pkg._resolved | ||
|
|
||
| // Not all handlers (or registries) provide these out of the box, | ||
| // and if they don't, we need to extract and read the tarball ourselves. | ||
| // These are details required by the installer. | ||
| this._shasum = pkg._shasum || fromTarball._shasum | ||
| this._shrinkwrap = pkg._shrinkwrap || fromTarball._shrinkwrap || null | ||
| this.bin = pkg.bin || fromTarball.bin || null | ||
|
|
||
| if (this.bin && Array.isArray(this.bin)) { | ||
| // Code yanked from read-package-json. | ||
| var m = pkg.directories && pkg.directories.bin || '.' | ||
| this.bin = this.bin.reduce(function (acc, mf) { | ||
| if (mf && mf.charAt(0) !== '.') { | ||
| var f = path.basename(mf) | ||
| acc[f] = path.join(m, mf) | ||
| } | ||
| return acc | ||
| }, {}) | ||
| } | ||
|
|
||
| this._id = null // filled in by normalize-package-data, but unnecessary | ||
|
|
||
| // TODO - freezing and inextensibility pending npm changes. See test suite. | ||
| // Object.preventExtensions(this) | ||
| normalize(this) | ||
|
|
||
| // I don't want this why did you give it to me. Go away. 🔥🔥🔥🔥 | ||
| delete this.readme | ||
|
|
||
| // Object.freeze(this) | ||
| } | ||
|
|
||
| // Some things aren't filled in by standard manifest fetching. | ||
| // If this function needs to do its work, it will grab the | ||
| // package tarball, extract it, and take whatever it needs | ||
| // from the stream. | ||
| function tarballedProps (pkg, spec, opts, cb) { | ||
| cb = dezalgo(cb) | ||
| var extraProps = {} | ||
| var needsShrinkwrap = ( | ||
| pkg._hasShrinkwrap !== false && | ||
| !pkg._shrinkwrap | ||
| ) | ||
| var needsBin = !!( | ||
| !pkg.bin && | ||
| pkg.directories && | ||
| pkg.directories.bin | ||
| ) | ||
| var needsShasum = !pkg._shasum | ||
| if (!needsShrinkwrap && !needsBin && !needsShasum) { | ||
| opts.log.silly('finalize-manifest', 'Skipping tarball extraction -- nothing needed.') | ||
| return cb(null, extraProps) | ||
| } else { | ||
| opts = optCheck(opts) | ||
| opts.memoize = false | ||
| var tarball = require('./handlers/' + spec.type + '/tarball') | ||
| var tarData = tarball.fromManifest(pkg, spec, opts) | ||
| var shaStream = null | ||
| var extractorStream = null | ||
|
|
||
| if (needsShrinkwrap || needsBin) { | ||
| opts.log.silly('finalize-manifest', 'parsing tarball for', spec.name) | ||
| var dirBin = pkg.directories && pkg.directories.bin | ||
| extraProps.bin = pkg.bin || {} | ||
| var dataStream = tar.extract() | ||
| extractorStream = pipeline(gunzip(), dataStream) | ||
| dataStream.on('entry', function doEntry (header, fileStream, next) { | ||
| var filePath = header.name.replace(/[^/]+\//, '') | ||
| if (needsShrinkwrap && filePath === 'npm-shrinkwrap.json') { | ||
| var srData = '' | ||
| fileStream.on('data', function (d) { srData += d }) | ||
|
|
||
| return finished(fileStream, function (err) { | ||
| if (err) { return dataStream.emit('error', err) } | ||
| try { | ||
| extraProps._shrinkwrap = JSON.parse(srData) | ||
| next() | ||
| } catch (e) { | ||
| dataStream.emit('error', e) | ||
| } | ||
| }) | ||
| } else if (needsBin && minimatch(filePath, dirBin + '/**')) { | ||
| var relative = path.relative(dirBin, filePath) | ||
| if (relative && relative[0] !== '.') { | ||
| extraProps.bin[path.basename(relative)] = path.join(dirBin, relative) | ||
| } | ||
| } | ||
| // Drain and get next one | ||
| fileStream.on('data', function () {}) | ||
| next() | ||
| }) | ||
| } else { | ||
| extractorStream = through() | ||
| } | ||
| if (needsShasum) { | ||
| shaStream = checksumStream({ | ||
| algorithm: opts.hashAlgorithm | ||
| }) | ||
| shaStream.on('digest', function (d) { | ||
| extraProps._shasum = d | ||
| }) | ||
| } else { | ||
| shaStream = through() | ||
| } | ||
| // Drain the end stream | ||
| extractorStream.on('data', function () {}) | ||
| return pipe(tarData, shaStream, extractorStream, function (err) { | ||
| cb(err, extraProps) | ||
| }) | ||
| } | ||
| } |
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