How to use the relateurl.relate function in relateurl

public insert(element: lsif.Vertex | lsif.Edge): void {
        if (element.type === lsif.ElementTypes.vertex) {
            switch (element.label) {
                case lsif.VertexLabels.metaData:
                    this.handleMetaData(element)
                    break

                case lsif.VertexLabels.document: {
                    if (!this.projectRoot) {
                        throw new Error('No metadata defined.')
                    }

                    const path = RelateUrl.relate(this.projectRoot.href + '/', new URL(element.uri).href, {
                        defaultPorts: {},
                        output: RelateUrl.PATH_RELATIVE,
                        removeRootTrailingSlash: false,
                    })

                    this.documentPaths.set(element.id, path)
                    this.containsData.set(element.id, new Set())
                    break
                }

                // The remaining vertex handlers stash data into an appropriate map. This data
                // may be retrieved when an edge that references it is seen, or when a document
                // is finalized.

                case lsif.VertexLabels.range:
                    this.rangeData.set(element.id, {

options.minifyURLs = function(text) {
        try {
          return RelateUrl.relate(text, value);
        }
        catch (err) {
          options.log(err);
          return text;
        }
      };
    }

options.minifyURLs = function(text) {
        try {
          return RelateUrl.relate(text, value);
        }
        catch (err) {
          options.log(err);
          return text;
        }
      };
    }

options.minifyURLs = function(text) {
      try {
        return RelateUrl.relate(text, minifyURLs);
      }
      catch (err) {
        options.log(err);
        return text;
      }
    };
  }

options.minifyURLs = function(text) {
        try {
          return RelateUrl.relate(text, value);
        }
        catch (err) {
          options.log(err);
          return text;
        }
      };
    }

options.minifyURLs = function(text) {
      try {
        return RelateUrl.relate(text, minifyURLs);
      }
      catch (err) {
        options.log(err);
        return text;
      }
    };
  }

options.minifyURLs = function(text) {
      try {
        return RelateUrl.relate(text, minifyURLs);
      }
      catch (err) {
        options.log(err);
        return text;
      }
    };
  }

export const relativeUrl = (from: URL, to: URL): string => RelateUrl.relate(from.href, to.href, RELATE_URL_OPTIONS)

options.minifyURLs = function(text) {
      try {
        return RelateUrl.relate(text, minifyURLs);
      }
      catch (err) {
        options.log(err);
        return text;
      }
    };
  }