PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` var wrappy = require('wrappy') var reqs = Object.create(null) var once = require('once') module.exports = wrappy(inflight) function inflight (key, cb) { if (reqs[key]) { reqs[key].push(cb) return null } else { reqs[key] = [cb] return makeres(key) } } function makeres (key) { return once(function RES () { var cbs = reqs[key] var len = cbs.length var args = slice(arguments) // XXX It's somewhat ambiguous whether a new callback added in this // pass should be queued for later execution if something in the // list of callbacks throws, or if it should just be discarded. // However, it's such an edge case that it hardly matters, and either // choice is likely as surprising as the other. // As it happens, we do go ahead and schedule it for later execution. try { for (var i = 0; i < len; i++) { cbs[i].apply(null, args) } } finally { if (cbs.length > len) { // added more in the interim. // de-zalgo, just in case, but don't call again. cbs.splice(0, len) process.nextTick(function () { RES.apply(null, args) }) } else { delete reqs[key] } } }) } function slice (args) { var length = args.length var array = [] for (var i = 0; i < length; i++) array[i] = args[i] return array }