ductile/lib/alias.js

// Generated by CoffeeScript 1.11.1
(function() {
  var jsonStream, mixin, through2, toBulk;

  through2 = require('through2');

  mixin = require('./mixin');

  toBulk = function() {
    return through2.obj(function(doc, enc, callback) {
      this.push({
        alias: doc
      });
      return callback();
    });
  };

  jsonStream = function() {
    return through2.obj(function(chunk, enc, callback) {
      this.push(JSON.stringify(chunk) + "\n");
      return callback();
    });
  };

  module.exports = function(client, _opts) {
    var exec, instream, opts, sink, stream;
    opts = mixin(_opts);
    instream = toBulk();
    sink = instream.write.bind(instream);
    exec = function() {
      return client.indices.getAlias(opts).then(function(v) {
        var aliases, index, results;
        results = [];
        for (index in v) {
          aliases = v[index].aliases;
          results.push(index);
        }
        return results;
      }).then(function(indices) {
        return Promise.all(indices.map(function(index) {
          return client.indices.getAlias({
            index: index
          });
        }));
      }).then(function(vs) {
        var _name, col, i, results;
        col = {};
        vs.map(function(v) {
          var aliases, i, n, results;
          results = [];
          for (i in v) {
            aliases = v[i].aliases;
            results.push((function() {
              var ref, results1;
              results1 = [];
              for (n in aliases) {
                results1.push((col[n] = (ref = col[n]) != null ? ref : []).push(i));
              }
              return results1;
            })());
          }
          return results;
        });
        results = [];
        for (_name in col) {
          i = col[_name];
          results.push({
            _name: _name,
            _index: (i.length === 1 ? i[0] : i)
          });
        }
        return results;
      });
    };
    exec().then(function(docs) {
      return docs.forEach(sink);
    })["catch"](function(err) {
      return stream.emit('error', err);
    });
    return stream = instream.pipe(jsonStream());
  };

}).call(this);

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