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JavaScript: Get a list of all paths from root to leaves (rose tree)
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| // The rose tree is a data structure that's used to represent hierarchical | |
| // data like XML / HTML documents or filesystems (directory and file structures). | |
| // See this in action on the Ramda REPL: https://goo.gl/XeToZt | |
| // R = Ramda :: http://ramdajs.com/docs/ | |
| // much cleaner solution, thanks to @syaiful6 in Ramda's Gitter channel ( https://gitter.im/ramda/ramda ) | |
| const listPathsFromRoseTree = | |
| tree => | |
| !is( Array, tree[ 1 ] ) | |
| || isEmpty( tree[ 1 ] ) | |
| ? [ [ tree[ 0 ] ] ] | |
| : map( prepend( tree[ 0 ] ) ) | |
| ( chain( listPathsFromRoseTree ) | |
| ( tree[ 1 ] ) | |
| ) | |
| listPathsFromRoseTree( roseTree ) |
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