mirror of https://github.com/lukechilds/node.git
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557 lines
21 KiB
557 lines
21 KiB
// vim: set softtabstop=16 shiftwidth=16:
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try {
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readJson.log = require("npmlog")
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} catch (er) {
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readJson.log = {
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info: function () {},
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verbose: function () {},
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warn: function () {}
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}
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}
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try {
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var fs = require("graceful-fs")
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} catch (er) {
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var fs = require("fs")
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}
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module.exports = readJson
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var LRU = require("lru-cache")
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readJson.cache = new LRU(1000)
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var path = require("path")
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var glob = require("glob")
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var slide = require("slide")
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var asyncMap = slide.asyncMap
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var semver = require("semver")
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// put more stuff on here to customize.
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readJson.extraSet = [gypfile, wscript, serverjs, authors, readme, mans, bins]
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var typoWarned = {}
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// http://registry.npmjs.org/-/fields
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var typos = { "dependancies": "dependencies"
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, "dependecies": "dependencies"
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, "depdenencies": "dependencies"
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, "devEependencies": "devDependencies"
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, "depends": "dependencies"
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, "dev-dependencies": "devDependencies"
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, "devDependences": "devDependencies"
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, "devDepenencies": "devDependencies"
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, "devdependencies": "devDependencies"
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, "repostitory": "repository"
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, "prefereGlobal": "preferGlobal"
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, "hompage": "homepage"
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, "hampage": "homepage"
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, "autohr": "author"
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, "autor": "author"
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, "contributers": "contributors"
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, "publicationConfig": "publishConfig"
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}
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var bugsTypos = { "web": "url", "name": "url" }
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var scriptTypos = { "server": "start", "tests": "test" }
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var depTypes = [ "dependencies"
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, "devDependencies"
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, "optionalDependencies" ]
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function readJson (file, cb) {
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var c = readJson.cache.get(file)
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if (c) {
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readJson.log.verbose("from cache", file)
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cb = cb.bind(null, null, c)
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return process.nextTick(cb);
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}
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readJson.log.verbose("read json", file)
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cb = (function (orig) { return function (er, data) {
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if (data) readJson.cache.set(file, data);
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return orig(er, data)
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} })(cb)
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readJson_(file, cb)
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}
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function readJson_ (file, cb) {
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fs.readFile(file, "utf8", function (er, d) {
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if (er && er.code === "ENOENT") {
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indexjs(file, er, cb)
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return
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}
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if (er) return cb(er);
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try {
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d = JSON.parse(d)
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} catch (er) {
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er = parseError(er, file);
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return cb(er);
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}
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extras(file, d, cb)
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})
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}
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function indexjs (file, er, cb) {
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if (path.basename(file) === "index.js") {
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return cb(er);
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}
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var index = path.resolve(path.dirname(file), "index.js")
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fs.readFile(index, "utf8", function (er2, d) {
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if (er2) return cb(er);
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d = parseIndex(d)
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if (!d) return cb(er);
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extras(file, d, cb)
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})
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}
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readJson.extras = extras
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function extras (file, data, cb) {
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asyncMap(readJson.extraSet, function (fn, cb) {
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return fn(file, data, cb)
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}, function (er) {
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if (er) return cb(er);
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final(file, data, cb)
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})
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}
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function gypfile (file, data, cb) {
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var dir = path.dirname(file)
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var s = data.scripts || {}
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if (s.install || s.preinstall) {
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return cb(null, data);
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}
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glob("*.gyp", { cwd: dir }, function (er, files) {
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if (er) return cb(er);
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gypfile_(file, data, files, cb)
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})
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}
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function gypfile_ (file, data, files, cb) {
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if (!files.length) return cb(null, data);
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var s = data.scripts || {}
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s.install = "node-gyp rebuild"
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data.scripts = s
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data.gypfile = true
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return cb(null, data);
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}
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function wscript (file, data, cb) {
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var dir = path.dirname(file)
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var s = data.scripts || {}
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if (s.install || s.preinstall) {
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return cb(null, data);
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}
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glob("wscript", { cwd: dir }, function (er, files) {
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if (er) return cb(er);
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wscript_(file, data, files, cb)
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})
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}
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function wscript_ (file, data, files, cb) {
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if (!files.length || data.gypfile) return cb(null, data);
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var s = data.scripts || {}
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s.install = "node-waf clean ; node-waf configure build"
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data.scripts = s
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return cb(null, data);
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}
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function serverjs (file, data, cb) {
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var dir = path.dirname(file)
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var s = data.scripts || {}
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if (s.start) return cb(null, data)
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glob("server.js", { cwd: dir }, function (er, files) {
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if (er) return cb(er);
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serverjs_(file, data, files, cb)
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})
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}
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function serverjs_ (file, data, files, cb) {
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if (!files.length) return cb(null, data);
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var s = data.scripts || {}
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s.start = "node server.js"
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data.scripts = s
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return cb(null, data)
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}
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function authors (file, data, cb) {
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if (data.contributors) return cb(null, data);
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var af = path.resolve(path.dirname(file), "AUTHORS")
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fs.readFile(af, "utf8", function (er, ad) {
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// ignore error. just checking it.
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if (er) return cb(null, data);
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authors_(file, data, ad, cb)
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})
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}
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function authors_ (file, data, ad, cb) {
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ad = ad.split(/\r?\n/g).map(function (line) {
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return line.replace(/^\s*#.*$/, '').trim()
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}).filter(function (line) {
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return line
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})
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data.contributors = ad
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return cb(null, data)
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}
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var defDesc = "Unnamed repository; edit this file " +
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"'description' to name the repository."
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function gitDescription (file, data, cb) {
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if (data.description) return cb(null, data);
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var dir = path.dirname(file)
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// just cuz it'd be nice if this file mattered...
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var gitDesc = path.resolve(dir, '.git/description')
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fs.readFile(gitDesc, 'utf8', function (er, desc) {
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if (desc) desc = desc.trim()
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if (!er && desc !== defDesc)
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data.description = desc
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return cb(null, data)
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})
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}
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function readmeDescription (file, data) {
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if (data.description) return cb(null, data);
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var d = data.readme
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if (!d) return;
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// the first block of text before the first heading
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// that isn't the first line heading
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d = d.trim().split('\n')
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for (var s = 0; d[s] && d[s].trim().match(/^(#|$)/); s ++);
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var l = d.length
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for (var e = s + 1; e < l && d[e].trim(); e ++);
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data.description = d.slice(s, e).join(' ').trim()
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}
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function readme (file, data, cb) {
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if (data.readme) return cb(null, data);
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var dir = path.dirname(file)
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var globOpts = { cwd: dir, nocase: true }
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glob("README?(.*)", globOpts, function (er, files) {
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if (er) return cb(er);
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if (!files.length) return cb()
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var rm = path.resolve(dir, files[0])
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readme_(file, data, rm, cb)
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})
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}
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function readme_(file, data, rm, cb) {
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fs.readFile(rm, "utf8", function (er, rm) {
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data.readme = rm
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return cb(er, data)
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})
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}
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function mans (file, data, cb) {
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var m = data.directories && data.directories.man
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if (data.man || !m) return cb(null, data);
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m = path.resolve(path.dirname(file), m)
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glob("**/*.[0-9]", { cwd: m }, function (er, mans) {
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if (er) return cb(er);
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mans_(file, data, mans, cb)
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})
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}
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function mans_ (file, data, mans, cb) {
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var m = data.directories && data.directories.man
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data.man = mans.map(function (mf) {
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return path.resolve(m, mf)
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})
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return cb(null, data)
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}
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function bins (file, data, cb) {
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if (Array.isArray(data.bin)) {
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return bins_(file, data, data.bin, cb)
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}
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var m = data.directories && data.directories.bin
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if (data.bin || !m) return cb(null, data);
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m = path.resolve(path.dirname(file), m)
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glob("**", { cwd: m }, function (er, bins) {
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if (er) return cb(er);
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bins_(file, data, bins, cb)
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})
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}
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function bins_ (file, data, bins, cb) {
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var m = data.directories && data.directories.bin
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data.bin = bins.reduce(function (acc, mf) {
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if (mf && mf.charAt(0) !== '.') {
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var f = path.basename(mf)
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acc[f] = path.join(m, mf)
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}
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return acc
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}, {})
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return cb(null, data)
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}
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function final (file, data, cb) {
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var ret = validName(file, data)
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if (ret !== true) return cb(ret);
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ret = validVersion(file, data)
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if (ret !== true) return cb(ret);
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data._id = data.name + "@" + data.version
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typoWarn(file, data)
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validRepo(file, data)
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validFiles(file, data)
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validBin(file, data)
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validMan(file, data)
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validBundled(file, data)
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objectifyDeps(file, data)
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unParsePeople(file, data)
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parsePeople(file, data)
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if (data.readme && !data.description)
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readmeDescription(file, data)
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readJson.cache.set(file, data)
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cb(null, data)
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}
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// /**package { "name": "foo", "version": "1.2.3", ... } **/
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function parseIndex (data) {
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data = data.split(/^\/\*\*package(?:\s|$)/m)
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if (data.length < 2) return null
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data = data[1]
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data = data.split(/\*\*\/$/m)
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if (data.length < 2) return null
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data = data[0]
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data = data.replace(/^\s*\*/mg, "")
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try {
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return JSON.parse(data)
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} catch (er) {
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return null
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}
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}
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function parseError (ex, file) {
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var e = new Error("Failed to parse json\n"+ex.message)
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e.code = "EJSONPARSE"
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e.file = file
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return e
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}
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// a warning for deprecated or likely-incorrect fields
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function typoWarn (file, data) {
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if (typoWarned[data._id]) return;
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typoWarned[data._id] = true
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if (data.modules) {
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warn(file, data,
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"'modules' is deprecated")
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delete data.modules
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}
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Object.keys(typos).forEach(function (d) {
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checkTypo(file, data, d)
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})
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bugsTypoWarn(file, data)
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scriptTypoWarn(file, data)
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noreadmeWarn(file, data)
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}
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function noreadmeWarn (file, data) {
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if (data.readme) return;
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warn(file, data, "No README.md file found!")
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data.readme = "ERROR: No README.md file found!"
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}
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function checkTypo (file, data, d) {
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if (!data.hasOwnProperty(d)) return;
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warn(file, data,
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"'" + d + "' should probably be '" + typos[d] + "'" )
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}
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function bugsTypoWarn (file, data) {
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var b = data.bugs
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if (!b || typeof b !== "object") return
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Object.keys(b).forEach(function (k) {
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if (bugsTypos[k]) {
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b[bugsTypos[k]] = b[k]
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delete b[k]
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}
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})
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}
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function scriptTypoWarn (file, data) {
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var s = data.scripts
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if (!s || typeof s !== "object") return
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Object.keys(s).forEach(function (k) {
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if (scriptTypos[k]) {
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scriptWarn_(file, data, k)
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}
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})
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}
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function scriptWarn_ (file, data, k) {
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warn(file, data, "scripts['" + k + "'] should probably " +
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"be scripts['" + scriptTypos[k] + "']")
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}
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function validRepo (file, data) {
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if (data.repostories) {
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warnRepositories(file, data)
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}
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if (!data.repository) return;
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if (typeof data.repository === "string") {
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data.repository = {
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type: "git",
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url: data.repository
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}
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}
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var r = data.repository.url || ""
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// use the non-private urls
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r = r.replace(/^(https?|git):\/\/[^\@]+\@github.com/,
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'$1://github.com')
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r = r.replace(/^https?:\/\/github.com/,
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'git://github.com')
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if (r.match(/github.com\/[^\/]+\/[^\/]+\.git\.git$/)) {
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warn(file, data, "Probably broken git " +
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"url: " + r)
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}
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}
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function warnRepostories (file, data) {
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warn(file, data,
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"'repositories' (plural) Not supported.\n" +
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"Please pick one as the 'repository' field");
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data.repository = data.repositories[0]
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}
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function validFiles (file, data) {
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var files = data.files
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if (files && !Array.isArray(files)) {
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warn(file, data, "Invalid 'files' member")
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delete data.files
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}
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}
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function validBin (file, data) {
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if (!data.bin) return;
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if (typeof data.bin === "string") {
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var b = {}
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b[data.name] = data.bin
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data.bin = b
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}
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}
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function validMan (file, data) {
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if (!data.man) return;
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if (typeof data.man === "string") {
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data.man = [ data.man ]
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}
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}
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function validBundled (file, data) {
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var bdd = "bundledDependencies"
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var bd = "bundleDependencies"
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if (data[bdd] && !data[bd]) {
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data[bd] = data[bdd]
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delete data[bdd]
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}
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if (data[bd] && !Array.isArray(data[bd])) {
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warn(file, data, "bundleDependencies " +
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"must be an array")
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}
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}
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function objectifyDeps (file, data) {
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depTypes.forEach(function (d) {
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objectifyDep_(file, data, d)
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})
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var o = data.optionalDependencies
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if (!o) return;
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var d = data.dependencies || {}
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Object.keys(o).forEach(function (k) {
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d[k] = o[k]
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})
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data.dependencies = d
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}
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function objectifyDep_ (file, data, type) {
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if (!data[type]) return;
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data[type] = depObjectify(file, data, data[type])
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}
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function depObjectify (file, data, deps) {
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if (!deps) return {}
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if (typeof deps === "string") {
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deps = deps.trim().split(/[\n\r\s\t ,]+/)
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}
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if (!Array.isArray(deps)) return deps
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var o = {}
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deps.forEach(function (d) {
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d = d.trim().split(/(:?[@\s><=])/)
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var dn = d.shift()
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var dv = d.join("")
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dv = dv.trim()
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dv = dv.replace(/^@/, "")
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o[dn] = dv
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})
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return o
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}
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function warn (f, d, m) {
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readJson.log.warn("package.json", d._id, m)
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}
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function validName (file, data) {
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if (!data.name) return new Error("No 'name' field")
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data.name = data.name.trim()
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if (data.name.charAt(0) === "." ||
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data.name.match(/[\/@\s\+%:]/) ||
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data.name.toLowerCase() === "node_modules" ||
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data.name.toLowerCase() === "favicon.ico") {
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return new Error("Invalid name: " +
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JSON.stringify(data.name))
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}
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return true
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}
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function parseKeywords (file, data) {
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var kw = data.keywords
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|
if (typeof kw === "string") {
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kw = kw.split(/,\s+/)
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data.keywords = kw
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}
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}
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function validVersion (file, data) {
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var v = data.version
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|
if (!v) return new Error("no version");
|
|
if (!semver.valid(v)) {
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return new Error("invalid version: "+v)
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}
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data.version = semver.clean(data.version)
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return true
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}
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function unParsePeople (file, data) {
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return parsePeople(file, data, true)
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}
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|
|
function parsePeople (file, data, un) {
|
|
var fn = un ? unParsePerson : parsePerson
|
|
if (data.author) data.author = fn(data.author)
|
|
;["maintainers", "contributors"].forEach(function (set) {
|
|
if (!Array.isArray(data[set])) return;
|
|
data[set] = data[set].map(fn)
|
|
})
|
|
return data
|
|
}
|
|
|
|
function unParsePerson (person) {
|
|
if (typeof person === "string") return person
|
|
var name = person.name || ""
|
|
var u = person.url || person.web
|
|
var url = u ? (" ("+u+")") : ""
|
|
var e = person.email || person.mail
|
|
var email = e ? (" <"+e+">") : ""
|
|
return name+email+url
|
|
}
|
|
|
|
function parsePerson (person) {
|
|
if (typeof person !== "string") return person
|
|
var name = person.match(/^([^\(<]+)/)
|
|
var url = person.match(/\(([^\)]+)\)/)
|
|
var email = person.match(/<([^>]+)>/)
|
|
var obj = {}
|
|
if (name && name[0].trim()) obj.name = name[0].trim()
|
|
if (email) obj.email = email[1];
|
|
if (url) obj.url = url[1];
|
|
return obj
|
|
}
|
|
|