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peekg/tree.js

Last active September 14, 2019 01:59
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Convert a list of paths, into an immutable map of maps (tree structure)
Raw
tree.js
(() => {
const {Map, List} = require("immutable")
const list = List(
["archives",
"archives/arts",
"archives/history" ])
const tree = list.reduce( (map, it) => map.setIn( it.split( "/" ), Map() ), Map() )
list.map( path => assert.ok( tree.hasIn( path.split("/") ) ) )
assert.deepEqual( tree.toJS(), { "archives": { "arts": {}, "history": {} } } )
})()
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