How to use

pickBy

function

in

lodash

const removeEmptyProperties = obj => pickBy(obj, identity)

export default function getMajorLanguage(languages) {
 const sumLinesOfCode = reduce((sum, linesOfCode) => sum + linesOfCode, 0)(
  languages,
 )

 const highUsageLanguages = flow(
  pickBy((value, key) => (value > 10000 ? key : null)),
  keys,
 )(languages)

 const mostPopularLanguage = flow(
  mapValues((value, key) => value / sumLinesOfCode),
  obj => [keys(obj).reduce((a, b) => (obj[a] > obj[b] ? a : b), null)],
  filter(value => value),
 )(languages)

 return union([...highUsageLanguages, ...mostPopularLanguage])
}

pickBy(JSON.parse(JSON.stringify(body)), (value) => {
      return !(value === null || value === undefined || (typeof value === 'object' && Object.keys(value).length === 0));

    })

mergedParams = pickBy(mergedParams, identity); // remove falsey values
const mergedParamsString = new URLSearchParams(mergedParams).toString();

/**
  * execute query on xtream server
  *
  * @param {string} [action]
  * @param {{ [ key: string ]: string }} [filter]
  * @returns {Promise<any>}
  */
 execute (action, filter) {
  const query = pickBy({ ...this.config.auth, action, ...filter })

  return Promise.resolve()
   .then(() => fetch(`${this.config.baseUrl}/player_api.php?${qs.stringify(query)}`))
   .then(T => T.json())
   .then(data => {
    if (action && data.hasOwnProperty('user') &&
     data.user.hasOwnProperty('status') &&
     data.user_info.status === 'Disabled') {
     return Promise.reject(new Error('account disabled'))
    }

    return data
   })
 }

/**
 * Retrieve and format all project data.
 */
async function getProjects () {
 /**
  * Get project details from frontmatter.
  */
 const projectDetailsRaw = map(projectsMarkdown, processMarkdown)
 const projectDetails = await Promise.all(map(projectDetailsRaw, mapProjectFrontMatter))

 /**
  * Get external project data.
  */
 const projectDataRaw = await fetchArchive(projectDetails)
 const projectData = extractRelevantProjectData(projectDataRaw)

 /**
  * Combine project details from frontmatter and project data from
  * external sources, using the sluggified title as the link, since
  * the sluggified titles are used as top level keys in the collected
  * external data.
  */
 const projects = projectDetails.map(project => {
  const slug = toSlug(project.title)
  const data = projectData[slug]
  return pickBy({ ...project, ...data }, val => val)
 })

 return projects
}

this._state.setAsUpdateStarted();
const opts = this._state.optionsManifest();
Transport.sendUpdate(query, pickBy(payload, (v, key) => opts[key]),
 this.transport_timeout)
 .then(response => {

schemaModel.fields = mapValues(pickBy(model.attributes, attribute =>
 !attribute.model && !attribute.collection
), (value, attribute) => ({

const filters = pickBy(fromUrl, (_, key) => !startsWith(key, "_"));
const others = pickBy(fromUrl, (_, key) => startsWith(key, "_"));

const filters = pickBy(fromUrl, (_, key) => !startsWith(key, "_"));
const others = pickBy(fromUrl, (_, key) => startsWith(key, "_"));