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author | Florian Dold <florian.dold@gmail.com> | 2017-05-28 00:38:50 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-28 00:40:43 +0200 |
commit | 7fff4499fd915bcea3fa93b1aa8b35f4fe7a6027 (patch) | |
tree | 6de9a1aebd150a23b7f8c273ec657a5d0a18fe3e /node_modules/slide/lib/chain.js | |
parent | 963b7a41feb29cc4be090a2446bdfe0c1f1bcd81 (diff) |
add linting (and some initial fixes)
Diffstat (limited to 'node_modules/slide/lib/chain.js')
-rw-r--r-- | node_modules/slide/lib/chain.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/slide/lib/chain.js b/node_modules/slide/lib/chain.js new file mode 100644 index 000000000..17b371149 --- /dev/null +++ b/node_modules/slide/lib/chain.js @@ -0,0 +1,20 @@ +module.exports = chain +var bindActor = require("./bind-actor.js") +chain.first = {} ; chain.last = {} +function chain (things, cb) { + var res = [] + ;(function LOOP (i, len) { + if (i >= len) return cb(null,res) + if (Array.isArray(things[i])) + things[i] = bindActor.apply(null, + things[i].map(function(i){ + return (i===chain.first) ? res[0] + : (i===chain.last) + ? res[res.length - 1] : i })) + if (!things[i]) return LOOP(i + 1, len) + things[i](function (er, data) { + if (er) return cb(er, res) + if (data !== undefined) res = res.concat(data) + LOOP(i + 1, len) + }) + })(0, things.length) } |