Nested hashtag parser

Nesteg hashtag parser.js

// Used in my BearKit Project: https://notas.cristian.lat
// Attribution not required, but highly appreciated 🙏

class Tag {  
	constructor(name, slug, children) {
		this.name = name
		this.slug = slug
		this.children = children
		this.type = "tag"
	}
	
	addChildren = (string, originalString) => {
		
		var childrenArray = string.split("/")
	
		const index = this.children.findIndex(object => {
			return object.name === childrenArray[0];
		});
		
		// If doesn't exists, push to array
		if (index == -1) {
			let tag = tagMaker(string, originalString)
			this.children.push(tag)
			return
		}
		
		let existingChild = this.children[index]
		
		// If exists, traverse it
		while (childrenArray.length > 0) {
			
			let first = childrenArray.shift()
				
			const index = existingChild.children.findIndex(object => {
				return object.name === childrenArray[0];
			});
			
			if (index == -1) {
				let string = childrenArray.join("/")
				let tag = tagMaker(string, originalString)
				existingChild.children.push(tag)
				break
			}
		}
		
		this.children[index] = existingChild
	}
}


const tagMaker = (name, originalString) => {
	
	var array = name.split("/")
	var tag;
	
	while (array.length > 0) {
		let slug = array.join('/')
		let last = array.pop()
		if (originalString) {
			slug = originalString
		}
		if (tag === undefined) {
			tag = new Tag(last, slug, [])
		} else {
			tag = new Tag(last, slug, [tag])
		}
	}
	
	return tag
}

export const tagTreeMaker = (tags) => {
	var tagTree = []
	tags.forEach(string => {
		let tagArray = string.split("/")
		let firstLevelname = tagArray.shift()
		let subtags = tagArray.join("/")
		
		const index = tagTree.findIndex(object => {
			return object.name === firstLevelname
		})
		
		if (index == -1) {
			let tag = tagMaker(string) 
			tagTree.push(tag)
			return
		}
		
		tagTree[index].addChildren(subtags, string)
	})
	
	return tagTree
}


let tagArray = [
	"aprendizaje",
	"bear",
	"biología",
	"cero-resistencia",
	"chunking",
	"citas",
	"comunicación",
	"concepto",
	"constancia",
	"cristianismo",
	"eficacia",
	"embudo",
	"emociones",
	"enfoque",
	"humildad",
	"ideas",
	"inbox",
	"inbox/clarificar",
	"inbox/contradicción",
	"inbox/desarrollar",
	"inbox/repetida",
	"inbox/verificar",
	"listas",
	"minimalismo",
	"movimiento",
	"paciencia",
	"política",
	"preguntas",
	"presencia",
	"prioridad",
	"privado",
	"programación",
	"programación/algoritmica",
	"programación/hugo",
	"programación/swift",
	"proyectos",
	"publicables",
	"referencias",
	"registro",
	"registro/diario",
	"registro/logros",
	"registro/misc",
	"registro/proyectos",
	"repetición",
	"responsabilidad",
	"restricciones",
	"revisar-cada-día",
	"simplicidad",
	"sufrimiento",
	"thearchive",
	"unidad",
	"valentía"
]

let tagTree = tagTreeMaker(tagArray).filter(e=> e.children.length > 0)
let json = JSON.stringify(tagTree, null, 2)


console.log(json)