diff options
Diffstat (limited to 'reduce.js')
| -rw-r--r-- | reduce.js | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/reduce.js b/reduce.js deleted file mode 100644 index 3ac9da2..0000000 --- a/reduce.js +++ /dev/null @@ -1,51 +0,0 @@ -#!/usr/bin/node - -const R = require('ramda'), - utils = require('./utils'); - -function aggregatePayloads(config) { - // Ramda group() only groups neighbors, so sort beforehand - const sorter = R.props(config.group); - const grouper = utils.eqPropses(config.group); - - // sum & count - const aggregator = R.pipe( - R.sortBy(sorter), - R.groupWith(grouper), - R.map( - R.converge(utils.mergeAllArgs, [ - R.pipe( - R.project(config.group), - R.prop(0), - ), - R.pipe( - R.project(R.concat(config.sum, R.of('Count'))), - utils.mergeAllWith(R.add), - utils.unlist, - ), - ]), - ), - ); - - return aggregator; -} - -function deriveStatistics(config) { - const sorter = R.compose(R.defaultTo(0), R.prop('Winner')); - - // divide sums by counts = averages - const transformer = R.map( - R.converge(utils.mergeAllArgs, [ - utils.projectProps(config.group), - utils.divPropsByProp('Count', config.sum), - utils.projectProps(['Count']), - ]) - ); - - return R.compose(transformer, R.sortBy(sorter)); -} - -module.exports = { - aggregatePayloads, - deriveStatistics, -}; |
