62. lahelu.com [search] [meme]

/*
  base : https://lahelu.com/
  req by : bang chandra
  note : 2 fungsi, search by query, dan nampilin rekomendasi
         pakai cursor buat next page
  node : v24.5.0
  last update : 23 september 2025
  by : wolep
*/

const lahelu = {
    get field() {
        return {
            FOR_YOU: 5,
            FRESH: 6,
            VIRAL: 7
        }
    },

    _mintaJson: async function (pathName, urlSearchParams) {
        const url = new URL('https://lahelu.com')
        url.pathname = pathName
        url.search = new URLSearchParams(urlSearchParams)
        const response = await fetch(url)
        if (!response.ok) throw Error(`${response.status} ${response.statusText} on ${pathName}. payload from server:\n${await response.text() || '(kosong)'}`)
        const json = await response.json()
        return json
    },

    _serialize: function (json, onWhat, cursor) {
        const result = json.postInfos.map(p => {
            return {
                title: p.title || `(no title)`,
                hashtag: p.hashtags.join(', ') || `(no hastag)`,
                media: p?.content?.[0] || null
            }
        })
        if (!result.length) throw Error(`tidak ada data ${onWhat} di index cursor ${cursor}`)
        return result
    },

    search: async function (query, cursor = 0) {
        // validate string
        if (typeof (query) != 'string' || !query.trim().length) throw Error(`query harus string dan gak boleh kosong ya!`)

        const json = await this._mintaJson('/api/post/get-search', {
            query, cursor
        })
        return this._serialize(json, 'search', cursor)
    },

    recommendations: async function (field = this.field.FOR_YOU, cursor = 0) {
        // validate field
        if (!Object.values(this.field).includes(field)) throw Error(`invalid field value`)

        const json = await this._mintaJson('/api/post/get-recommendations', {
            field, cursor
        })
        return this._serialize(json, 'rekomendasi', cursor)
    }
}

// cara pakai
lahelu.search('meme', 0)
    .then(console.log)
    .catch(e => console.log(e.message))

/* output
[
  {
    title: 'Meme halal hari ini',
    hashtag: 'relate',
    media: {
      type: 0,
      value: 'https://cache.lahelu.com/19e6ece1-6166-4a66-8395-885b18ec8f75.webp',
      width: 720,
      height: 398
    }
  },,... (dan objek lainnya)
]
*/

/*
atauu..
lahelu.recommendations(lahelu.field.FOR_YOU, 0)
    .then(console.log)
    .catch(e => console.log(e.message))
*/