How to use string-similarity - 10 common examples

this.terminate('finished browsing on root node');
      }
      return;
    } else {
      this.repeatingCrawlingCount = 0;
    }
  } catch (e) {
    this.terminate(e.stack);
  }

  // check is new
  let isNew = true;
  for (let index in this.crawlingBuffer) {
    if (this.crawlingBuffer[index] &&
      this.crawlingBuffer[index].text &&
      stringSimilarity.compareTwoStrings(node.text, this.crawlingBuffer[index].text) >= 0.90) {
      isNew = false;
      node = this.crawlingBuffer[index];
      this.currentNode = this.crawlingBuffer[index];
      console.log('similar page exists');
      break;
    }
  }

  // if new, load actions to current node
  if (isNew) {
    // if reaching max depth, avoid crawling for current page
    if (this.currentNode && this.currentNode.depth >= this.config.depth) {
      console.log('exceeding max depth, triggering back');
      this.back();
      return;
    }

function bestCat(label, showRating = false, log = false) {
  const lbl = label.toLowerCase()
  if (lbl in SIM_EXCEPTIONS) {
    const target = SIM_EXCEPTIONS[lbl]
    return showRating ? {target, rating: 1} : target
  }
  const match = {...strSim.findBestMatch(lbl, CATEGORIES).bestMatch, ref: 'M'}
  const seMatch = {...strSim.findBestMatch(lbl, SE).bestMatch, ref: 'SE'}
  const nclMatch = {
    ...strSim.findBestMatch(lbl, NON_CATEGORY_LABELS).bestMatch,
    ref: 'NC',
  }
  const clMatch = {...strSim.findBestMatch(lbl, CL).bestMatch, ref: 'CL'}

  const scores = [match, seMatch, clMatch, nclMatch].sort(
    (a, b) => b.rating - a.rating,
  )
  if (log) {
    //eslint-disable-next-line no-console
    console.log('scores=', scores)
  }
  let idx = 0
  while (scores[idx++].rating < MATCH_THRESHOLD && idx < scores.length) {
    /*  */

}
      const related = this.isDefined(option, 'options');

      if (related) {
        const details = this.readOption(related);
        Object.assign(options, details);
      }

      if (!related && !definedSubcommand) {
        // Unknown Option
        const availableOptions = [];
        this.details.options.forEach((opt) => {
          availableOptions.push(...opt.usage);
        });

        const suggestOption = stringSimilarity.findBestMatch(
          option,
          availableOptions,
        );

        console.log(`The option "${option}" is unknown.`); // eslint-disable-line

        if (suggestOption.bestMatch.rating >= 0.5) {
          console.log(' Did you mean the following one?\n'); // eslint-disable-line

          const suggestion = this.details.options.filter((item) => {
            for (const flag of item.usage) {
              if (flag === suggestOption.bestMatch.target) {
                return true;
              }
            }

const getClosest = (value, list) => {
  const matches = stringSimilarity.findBestMatch(value, list);
  // only return the best match if its greater than .5 in similarity
  return matches.bestMatch.rating >= 0.5 ? matches.bestMatch.target : '';
};

texts.forEach((text, i) => {
    const similarity = compareTwoStrings(text, target);
    if (similarity > bestSimilarity) {
      idx = i;
      bestSimilarity = similarity;
    }
  });

let term = suggestion.term;
        if (suggestion.sub_type) { term += ` (${suggestion.sub_type})`; }
        return value === term;
      }) || suggestions[0];
      if (topSuggestion) {
        let term = topSuggestion.term;
        if (topSuggestion.sub_type) {
          term += ` (${topSuggestion.sub_type})`;
          topSuggestion.term = term;
        }
        if (topSuggestion.term_type === "_locations") {
          let locParts = topSuggestion.term.split(", ");
          value = value.split(", ")[0];
          if (locParts.length) { term = locParts[0]; }
        }
        let similarity = Similarity.compareTwoStrings(value, term);
        if (similarity > this.SIMILARITY_THRESHOLD) {
          return this.gotoSearch(event, topSuggestion);
        }
      }
    }
    return this.gotoSearch(event, {
      "term_type": "_all",
      "term": value
    });
  }

function bestCat(label, showRating = false, log = false) {
  const lbl = label.toLowerCase()
  if (lbl in SIM_EXCEPTIONS) {
    const target = SIM_EXCEPTIONS[lbl]
    return showRating ? {target, rating: 1} : target
  }
  const match = {...strSim.findBestMatch(lbl, CATEGORIES).bestMatch, ref: 'M'}
  const seMatch = {...strSim.findBestMatch(lbl, SE).bestMatch, ref: 'SE'}
  const nclMatch = {
    ...strSim.findBestMatch(lbl, NON_CATEGORY_LABELS).bestMatch,
    ref: 'NC',
  }
  const clMatch = {...strSim.findBestMatch(lbl, CL).bestMatch, ref: 'CL'}

  const scores = [match, seMatch, clMatch, nclMatch].sort(
    (a, b) => b.rating - a.rating,
  )
  if (log) {
    //eslint-disable-next-line no-console
    console.log('scores=', scores)
  }
  let idx = 0
  while (scores[idx++].rating < MATCH_THRESHOLD && idx < scores.length) {

const thisTitle = t.content.title;

        const titleSimilarity = stringSimilarity.compareTwoStrings(
          incomingTitle,
          thisTitle
        );
        debug(`Title similarity score for spam check: ${titleSimilarity}`);
        if (titleSimilarity > 0.8) return true;

        if (thread.content.body) {
          const incomingBody = threadBodyToPlainText(thread.content.body);
          const thisBody = threadBodyToPlainText(t.content.body);

          if (incomingBody.length === 0 || thisBody.length === 0) return false;

          const bodySimilarity = stringSimilarity.compareTwoStrings(
            incomingBody,
            thisBody
          );
          debug(`Body similarity score for spam check: ${bodySimilarity}`);
          if (bodySimilarity > 0.8) return true;
        }

        return false;
      });

(script, index) =>
              stringSimilarity.compareTwoStrings(
                script.contents.replace(/[0-9]/g, ''),
                job.scripts[index].contents.replace(/[0-9]/g, ''),
              ) < similarIndication,
          ),

const sortBestMatch = query => (a, b) => {
    const matchA = compareTwoStrings(query, a.name)
    const matchB = compareTwoStrings(query, b.name)
    return matchB - matchA
  }