step7 - CustomJS

step7.js

class LucyKeywordCloud {
  getKeywordCloudData(path){
    let dv = app.plugins.plugins.dataview.api
    let currentFile = dv.page(path)
    let html = ""

    console.log(currentFile)
    let keywords = dv.page(path).file.outlinks.values.filter(link => link.display.startsWith(')')).map(link => link.display)

    keywords = keywords.filter(p => !p.includes(currentFile.file.name))

    let keywordsArr = this.countDuplicates(keywords)
    let table = this.valueToLevel(keywordsArr)

    for(let j = 0 ; j < table.length ; j++){
    	html = html + "<span class=\"" + table[j][2] + " cloud\" >" + table[j][0] + "</span>"
    }

    return html
  }

  countDuplicates(array) {
    const counts = {};
    const result = [];
    // 중복된 요소의 개수를 세기
    array.forEach((item) => {
      counts[item] = (counts[item] || 0) + 1;
    });
    // 중복이 제거된 2차원 배열 생성
    for (const key in counts) {
      result.push(["[[" + key + "|#" + key.slice(2,) + "]]", counts[key]]);
    }
    // 중복 개수에 따라 내림차순으로 정렬
    result.sort((a, b) => b[1] - a[1]);
    return result;
  }

  valueToLevel(arr) {
    arr = this.shuffleArray(arr)
    const values = arr.map((item) => item[1]);
    const minValue = Math.min(...values);
    const maxValue = Math.max(...values);
    const totalLevels = 7;
    const levelSize = (maxValue - minValue) / totalLevels;
    
    return arr.map((item) => {
      const name = item[0];
      const value = item[1];
      const level = Math.ceil((value - minValue) / levelSize);
      const adjustedLevel = Math.min(totalLevels, Math.max(1, level));
      return [name, value, `cloud${adjustedLevel}`];
    });
  }

  shuffleArray(array) {
    for (let i = array.length - 1; i > 0; i--) {
      const j = Math.floor(Math.random() * (i + 1));
      [array[i], array[j]] = [array[j], array[i]];
    }
    return array;
  }
}