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| author | schneefux <schneefux+commit@schneefux.xyz> | 2018-05-07 09:06:04 +0200 |
|---|---|---|
| committer | schneefux <schneefux+commit@schneefux.xyz> | 2018-05-07 09:06:04 +0200 |
| commit | 5caf4e48174533710243e8eeaf52567795ec9d01 (patch) | |
| tree | 1396f09bd14c3c4e1af3164ef924f2190b3f949f /utils.js | |
| parent | ded191658af266a764332b9a1b72d628de3d5b6e (diff) | |
| download | brokentalents-5caf4e48174533710243e8eeaf52567795ec9d01.tar.gz brokentalents-5caf4e48174533710243e8eeaf52567795ec9d01.zip | |
move files to backend subdir, push data in submodule
Diffstat (limited to 'utils.js')
| -rw-r--r-- | utils.js | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/utils.js b/utils.js deleted file mode 100644 index 6cff356..0000000 --- a/utils.js +++ /dev/null @@ -1,72 +0,0 @@ -#!/usr/bin/node - -const R = require('ramda'); - -const lengthEq = (n) => R.compose(R.equals(n), R.length); -const list = R.unapply(R.identity); -const unlist = R.apply(R.identity); -const mergeAllArgs = R.compose(R.mergeAll, list); -const objOfPath = R.curry((objOf, path) => R.compose(R.objOf(objOf), R.path(path))); -const andAll = R.all(R.equals(R.T())); -const andAllArgs = R.compose(andAll, list); - -const projectProps = R.curry( - (proj, d) => R.compose(R.prop(0), R.project(proj), R.of)(d) -); - -const joinRight = R.curry((mapper1, mapper2, t1, t2) => { - let indexed = R.indexBy(mapper1, t1); - return t2.map((t2row) => R.merge(t2row, indexed[mapper2(t2row)])); -}); - -const commonKeys = R.useWith(R.intersection, [ - R.keys, - R.keys, -]); - -const naturalJoinRight = R.curry((t1, t2) => joinRight( - R.props(commonKeys(t1[0], t2[0])), - R.props(commonKeys(t1[0], t2[0])), - t2, - t1, -)); - -const eqPropses = R.curry((props) => // TODO should create function with arity 3 but doesn't because it's nested - R.converge(andAllArgs, R.map(R.eqProps, props)) -); - -const mergeAllWith = (merger) => R.until(lengthEq(1), R.pipe( // TODO same issue - R.splitEvery(2), - R.map( - R.ifElse(lengthEq(2), // TODO refactor - R.apply(R.mergeWith(merger)), - R.apply(R.identity)) - ) -)); - -const divPropsByProp = R.curry((prop, props, data) => { // TODO refactor - return R.fromPairs( - R.map((aProp) => - R.contains(aProp, props) ? - [aProp, R.prop(aProp, data) / R.prop(prop, data)] - : [aProp, R.prop(aProp, data)], - R.keys(data), - ) - ); -}); - -module.exports = { - list, - unlist, - mergeAllArgs, - objOfPath, - andAll, - andAllArgs, - joinRight, - naturalJoinRight, - eqPropses, - lengthEq, - mergeAllWith, - projectProps, - divPropsByProp, -}; |
