smartnpm/ts/smartnpm.classes.npmregistry.ts

import * as plugins from './smartnpm.plugins'

// interfaces
import { ISearchObject } from './smartnpm.interfaces'

// classes
import { NpmPackage } from './smartnpm.classes.npmpackage'

export class NpmRegistry {
  private searchDomain = 'https://api.npms.io/v2/search?q='
  async search (searchObjectArg: ISearchObject) {
    let searchString = ''
    let addToSearchString = (addStringArg: string) => {
      searchString = `${searchString}+${addStringArg}`
    }

    // name
    if (searchObjectArg.name) { searchString = `${searchObjectArg.name}` }

    // metadata
    if (searchObjectArg.author) { addToSearchString(`author:${searchObjectArg.author}`) }
    if (searchObjectArg.maintainer) { addToSearchString(`maintainer:${searchObjectArg.maintainer}`) }
    if (searchObjectArg.scope) { addToSearchString(`scope:${searchObjectArg.scope}`) }

    // status
    if (searchObjectArg.deprecated) {
      if (searchObjectArg.deprecated === true) {
        addToSearchString(`is:deprecated`)
      } else {
        addToSearchString(`not:deprecated`)
      }
    }
    if (searchObjectArg.unstable) {
      if (searchObjectArg.unstable === true) {
        addToSearchString(`is:unstable`)
      } else {
        addToSearchString(`not:unstable`)
      }
    }
    if (searchObjectArg.insecure) {
      if (searchObjectArg.insecure === true) {
        addToSearchString(`is:insecure`)
      } else {
        addToSearchString(`not:insecure`)
      }
    }

    // search behaviour
    if (searchObjectArg.boostExact) { addToSearchString(`boost-exact:${searchObjectArg.boostExact}`) }
    if (searchObjectArg.scoreEffect) { addToSearchString(`score-effect:${searchObjectArg.scoreEffect}`) }

    // analytics
    if (searchObjectArg.qualityWeight) { addToSearchString(`author:${searchObjectArg.qualityWeight}`) }
    if (searchObjectArg.popularityWeight) { addToSearchString(`author:${searchObjectArg.popularityWeight}`) }
    if (searchObjectArg.maintenanceWeight) { addToSearchString(`author:${searchObjectArg.maintenanceWeight}`) }

    plugins.beautylog.log(`Search for "${searchString}" on npm`)

    let response = (await plugins.smartrequest.get(this.searchDomain + searchString, {}))
    let body: any = response.body
    
    // lets create the response
    let packageArray: NpmPackage[] = []

    for (let packageArg of body.results) {
      let localPackage = new NpmPackage(packageArg.package)
      packageArray.push(localPackage)
    }

    return packageArray
  }
}