Function getWordsWithPairs

docs/lab/samples.js:1129–1173

(pairs, maxWordsPerPair)

}

function getWordsWithPairs(pairs, maxWordsPerPair) {
  const wmap = getEnglishWords()
  if (!wmap) {
    return null
  }

  const wordSet = new Set()

  if (!maxWordsPerPair) {
    maxWordsPerPair = 10
  } else if (maxWordsPerPair < 1) {
    maxWordsPerPair = 1
  }

  for (const pair of pairs) {
    // s.push('(' + comb + ')')
    const words = wmap.combIndex.get(pair)
    if (words) {
      let n = 0
      for (const word of words.keys()) {
        if (!wordSet.has(word) &&
            (!word.endsWith('s') || // rough approximation for "skip plural-form dups"
             !wordSet.has(word.substr(0, word.length-1))
            )
          )
        {
          wordSet.add(word)
          ++n
          if (n > maxWordsPerPair) {
            break
          }
        }
      }
    }
  }

  // remove duplicates
  for (const word of wordSet) {
    if (word.endsWith('s') && wordSet.has(word.substr(0, word.length-1))) {
      wordSet.delete(word)
    }
  }

  return wordSet
}


samples.set('────── base combos ──────', null)