/usr/lib/nodejs/read-package-json/read-json.js is in node-read-package-json 1.2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 | // vim: set softtabstop=16 shiftwidth=16:
try {
var fs = require("graceful-fs")
} catch (er) {
var fs = require("fs")
}
module.exports = readJson
var LRU = require("lru-cache")
readJson.cache = new LRU({max: 1000})
var path = require("path")
var glob = require("glob")
var normalizeData = require("normalize-package-data")
// put more stuff on here to customize.
readJson.extraSet = [
gypfile,
serverjs,
scriptpath,
authors,
readme,
mans,
bins,
githead
]
var typoWarned = {}
function readJson (file, log_, strict_, cb_) {
var log, strict, cb
for (var i = 1; i < arguments.length - 1; i++) {
if (typeof arguments[i] === 'boolean')
strict = arguments[i]
else if (typeof arguments[i] === 'function')
log = arguments[i]
}
if (!log) log = function () {};
cb = arguments[ arguments.length - 1 ]
var c = readJson.cache.get(file)
if (c) {
cb = cb.bind(null, null, c)
return process.nextTick(cb);
}
cb = (function (orig) { return function (er, data) {
if (data) readJson.cache.set(file, data);
return orig(er, data)
} })(cb)
readJson_(file, log, strict, cb)
}
function readJson_ (file, log, strict, cb) {
fs.readFile(file, "utf8", function (er, d) {
parseJson(file, er, d, log, strict, cb)
})
}
function stripBOM(content) {
// Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
// because the buffer-to-string conversion in `fs.readFileSync()`
// translates it to FEFF, the UTF-16 BOM.
if (content.charCodeAt(0) === 0xFEFF) {
content = content.slice(1);
}
return content;
}
function parseJson (file, er, d, log, strict, cb) {
if (er && er.code === "ENOENT") {
indexjs(file, er, log, strict, cb)
return
}
if (er) return cb(er);
try {
d = JSON.parse(stripBOM(d))
} catch (er) {
d = parseIndex(d)
if (!d) return cb(parseError(er, file));
}
extras(file, d, log, strict, cb)
}
function indexjs (file, er, log, strict, cb) {
if (path.basename(file) === "index.js") {
return cb(er);
}
var index = path.resolve(path.dirname(file), "index.js")
fs.readFile(index, "utf8", function (er2, d) {
if (er2) return cb(er);
d = parseIndex(d)
if (!d) return cb(er);
extras(file, d, log, strict, cb)
})
}
readJson.extras = extras
function extras (file, data, log_, strict_, cb_) {
var log, strict, cb
for (var i = 2; i < arguments.length - 1; i++) {
if (typeof arguments[i] === 'boolean')
strict = arguments[i]
else if (typeof arguments[i] === 'function')
log = arguments[i]
}
if (!log) log = function () {};
cb = arguments[i]
var set = readJson.extraSet
var n = set.length
var errState = null
set.forEach(function (fn) {
fn(file, data, then)
})
function then(er) {
if (errState) return;
if (er) return cb(errState = er);
if (--n > 0) return;
final(file, data, log, strict, cb);
}
}
function scriptpath (file, data, cb) {
if (!data.scripts) return cb(null, data);
var k = Object.keys(data.scripts)
k.forEach(scriptpath_, data.scripts)
cb(null, data);
}
function scriptpath_(key) {
s = this[key]
// This is never allowed, and only causes problems
if (typeof s !== 'string')
return delete this[key]
var spre = /^(\.[\/\\])?node_modules[\/\\].bin[\\\/]/
if (s.match(spre))
this[key] = this[key].replace(spre, '')
}
function gypfile (file, data, cb) {
var dir = path.dirname(file)
var s = data.scripts || {}
if (s.install || s.preinstall)
return cb(null, data);
glob("*.gyp", { cwd: dir }, function (er, files) {
if (er) return cb(er);
gypfile_(file, data, files, cb)
})
}
function gypfile_ (file, data, files, cb) {
if (!files.length) return cb(null, data);
var s = data.scripts || {}
s.install = "node-gyp rebuild"
data.scripts = s
data.gypfile = true
return cb(null, data);
}
function serverjs (file, data, cb) {
var dir = path.dirname(file)
var s = data.scripts || {}
if (s.start) return cb(null, data)
glob("server.js", { cwd: dir }, function (er, files) {
if (er) return cb(er);
serverjs_(file, data, files, cb)
})
}
function serverjs_ (file, data, files, cb) {
if (!files.length) return cb(null, data);
var s = data.scripts || {}
s.start = "node server.js"
data.scripts = s
return cb(null, data)
}
function authors (file, data, cb) {
if (data.contributors) return cb(null, data);
var af = path.resolve(path.dirname(file), "AUTHORS")
fs.readFile(af, "utf8", function (er, ad) {
// ignore error. just checking it.
if (er) return cb(null, data);
authors_(file, data, ad, cb)
})
}
function authors_ (file, data, ad, cb) {
ad = ad.split(/\r?\n/g).map(function (line) {
return line.replace(/^\s*#.*$/, '').trim()
}).filter(function (line) {
return line
})
data.contributors = ad
return cb(null, data)
}
var defDesc = "Unnamed repository; edit this file " +
"'description' to name the repository."
function gitDescription (file, data, cb) {
if (data.description) return cb(null, data);
var dir = path.dirname(file)
// just cuz it'd be nice if this file mattered...
var gitDesc = path.resolve(dir, '.git/description')
fs.readFile(gitDesc, 'utf8', function (er, desc) {
if (desc) desc = desc.trim()
if (!er && desc !== defDesc)
data.description = desc
return cb(null, data)
})
}
function readmeDescription (file, data) {
if (data.description) return cb(null, data);
var d = data.readme
if (!d) return;
// the first block of text before the first heading
// that isn't the first line heading
d = d.trim().split('\n')
for (var s = 0; d[s] && d[s].trim().match(/^(#|$)/); s ++);
var l = d.length
for (var e = s + 1; e < l && d[e].trim(); e ++);
data.description = d.slice(s, e).join(' ').trim()
}
function readme (file, data, cb) {
if (data.readme) return cb(null, data);
var dir = path.dirname(file)
var globOpts = { cwd: dir, nocase: true, mark: true }
glob("{README,README.*}", globOpts, function (er, files) {
if (er) return cb(er);
// don't accept directories.
files = files.filter(function (file) {
return !file.match(/\/$/)
})
if (!files.length) return cb();
var fn = preferMarkdownReadme(files)
var rm = path.resolve(dir, fn)
readme_(file, data, rm, cb)
})
}
function preferMarkdownReadme(files) {
var fallback = 0;
var re = /\.m?a?r?k?d?o?w?n?$/i
for (var i = 0; i < files.length; i++) {
if (files[i].match(re))
return files[i]
else if (files[i].match(/README$/))
fallback = i
}
// prefer README.md, followed by README; otherwise, return
// the first filename (which could be README)
return files[fallback];
}
function readme_(file, data, rm, cb) {
var rmfn = path.basename(rm);
fs.readFile(rm, "utf8", function (er, rm) {
// maybe not readable, or something.
if (er) return cb()
data.readme = rm
data.readmeFilename = rmfn
return cb(er, data)
})
}
function mans (file, data, cb) {
var m = data.directories && data.directories.man
if (data.man || !m) return cb(null, data);
m = path.resolve(path.dirname(file), m)
glob("**/*.[0-9]", { cwd: m }, function (er, mans) {
if (er) return cb(er);
mans_(file, data, mans, cb)
})
}
function mans_ (file, data, mans, cb) {
var m = data.directories && data.directories.man
data.man = mans.map(function (mf) {
return path.resolve(path.dirname(file), m, mf)
})
return cb(null, data)
}
function bins (file, data, cb) {
if (Array.isArray(data.bin)) {
return bins_(file, data, data.bin, cb)
}
var m = data.directories && data.directories.bin
if (data.bin || !m) return cb(null, data);
m = path.resolve(path.dirname(file), m)
glob("**", { cwd: m }, function (er, bins) {
if (er) return cb(er);
bins_(file, data, bins, cb)
})
}
function bins_ (file, data, bins, cb) {
var m = data.directories && data.directories.bin || '.'
data.bin = bins.reduce(function (acc, mf) {
if (mf && mf.charAt(0) !== '.') {
var f = path.basename(mf)
acc[f] = path.join(m, mf)
}
return acc
}, {})
return cb(null, data)
}
function githead (file, data, cb) {
if (data.gitHead) return cb(null, data);
var dir = path.dirname(file)
var head = path.resolve(dir, '.git/HEAD')
fs.readFile(head, 'utf8', function (er, head) {
if (er) return cb(null, data);
githead_(file, data, dir, head, cb)
})
}
function githead_ (file, data, dir, head, cb) {
if (!head.match(/^ref: /)) {
data.gitHead = head.trim()
return cb(null, data)
}
var headFile = head.replace(/^ref: /, '').trim()
headFile = path.resolve(dir, '.git', headFile)
fs.readFile(headFile, 'utf8', function (er, head) {
if (er || !head) return cb(null, data)
head = head.replace(/^ref: /, '').trim()
data.gitHead = head
return cb(null, data)
})
}
function final (file, data, log, strict, cb) {
var pId = makePackageId(data)
function warn(msg) {
if (typoWarned[pId]) return;
if (log) log("package.json", pId, msg);
}
try {
normalizeData(data, warn, strict)
}
catch (error) {
return cb(error)
}
typoWarned[pId] = true
readJson.cache.set(file, data)
cb(null, data)
}
function makePackageId (data) {
var name = cleanString(data.name)
var ver = cleanString(data.version)
return name + "@" + ver
}
function cleanString(str) {
return (!str || typeof(str) !== "string") ? "" : str.trim()
}
// /**package { "name": "foo", "version": "1.2.3", ... } **/
function parseIndex (data) {
data = data.split(/^\/\*\*package(?:\s|$)/m)
if (data.length < 2) return null
data = data[1]
data = data.split(/\*\*\/$/m)
if (data.length < 2) return null
data = data[0]
data = data.replace(/^\s*\*/mg, "")
try {
return JSON.parse(data)
} catch (er) {
return null
}
}
function parseError (ex, file) {
var e = new Error("Failed to parse json\n"+ex.message)
e.code = "EJSONPARSE"
e.file = file
return e
}
|