import * as treeify from 'treeify'; function log(s: string): void {} treeify.asTree( { apples: 'gala', // ├─ apples: gala oranges: 'mandarin' // └─ oranges: mandarin }, true, true ); treeify.asLines( { apples: 'gala', // ├─ apples: gala oranges: 'mandarin', // ├─ oranges: mandarin grapes: { // └─ grapes seedless: 'Thompson, Selma Pete', // ├─ seedless: Thompson, Selma Pete seeded: 'concord' // └─ seeded: Concord } }, true, log ); treeify.asLines( { apples: 'gala', // ├─ apples: gala oranges: 'mandarin' // └─ oranges: mandarin }, true, false, log );