@wordpress/core-data/build-module/fetch/__experimental-fetch-link-suggestions.js

Access to and manipulation of core WordPress entities.

// packages/core-data/src/fetch/__experimental-fetch-link-suggestions.ts
import apiFetch from "@wordpress/api-fetch";
import { addQueryArgs } from "@wordpress/url";
import { decodeEntities } from "@wordpress/html-entities";
import { __ } from "@wordpress/i18n";
async function fetchLinkSuggestions(search, searchOptions = {}, editorSettings = {}) {
  const searchOptionsToUse = searchOptions.isInitialSuggestions && searchOptions.initialSuggestionsSearchOptions ? {
    ...searchOptions,
    ...searchOptions.initialSuggestionsSearchOptions
  } : searchOptions;
  const {
    type,
    subtype,
    page,
    perPage = searchOptions.isInitialSuggestions ? 3 : 20
  } = searchOptionsToUse;
  const { disablePostFormats = false } = editorSettings;
  const queries = [];
  if (!type || type === "post") {
    queries.push(
      apiFetch({
        path: addQueryArgs("/wp/v2/search", {
          search,
          page,
          per_page: perPage,
          type: "post",
          subtype
        })
      }).then((results2) => {
        return results2.map((result) => {
          return {
            id: result.id,
            url: result.url,
            title: decodeEntities(result.title || "") || __("(no title)"),
            type: result.subtype || result.type,
            kind: "post-type"
          };
        });
      }).catch(() => [])
      // Fail by returning no results.
    );
  }
  if (!type || type === "term") {
    queries.push(
      apiFetch({
        path: addQueryArgs("/wp/v2/search", {
          search,
          page,
          per_page: perPage,
          type: "term",
          subtype
        })
      }).then((results2) => {
        return results2.map((result) => {
          return {
            id: result.id,
            url: result.url,
            title: decodeEntities(result.title || "") || __("(no title)"),
            type: result.subtype || result.type,
            kind: "taxonomy"
          };
        });
      }).catch(() => [])
      // Fail by returning no results.
    );
  }
  if (!disablePostFormats && (!type || type === "post-format")) {
    queries.push(
      apiFetch({
        path: addQueryArgs("/wp/v2/search", {
          search,
          page,
          per_page: perPage,
          type: "post-format",
          subtype
        })
      }).then((results2) => {
        return results2.map((result) => {
          return {
            id: result.id,
            url: result.url,
            title: decodeEntities(result.title || "") || __("(no title)"),
            type: result.subtype || result.type,
            kind: "taxonomy"
          };
        });
      }).catch(() => [])
      // Fail by returning no results.
    );
  }
  if (!type || type === "attachment") {
    queries.push(
      apiFetch({
        path: addQueryArgs("/wp/v2/media", {
          search,
          page,
          per_page: perPage
        })
      }).then((results2) => {
        return results2.map((result) => {
          return {
            id: result.id,
            url: result.source_url,
            title: decodeEntities(result.title.rendered || "") || __("(no title)"),
            type: result.type,
            kind: "media"
          };
        });
      }).catch(() => [])
      // Fail by returning no results.
    );
  }
  const responses = await Promise.all(queries);
  let results = responses.flat();
  results = results.filter((result) => !!result.id);
  results = sortResults(results, search);
  results = results.slice(0, perPage);
  return results;
}
function sortResults(results, search) {
  const searchTokens = tokenize(search);
  const scores = {};
  for (const result of results) {
    if (result.title) {
      const titleTokens = tokenize(result.title);
      const exactMatchingTokens = titleTokens.filter(
        (titleToken) => searchTokens.some(
          (searchToken) => titleToken === searchToken
        )
      );
      const subMatchingTokens = titleTokens.filter(
        (titleToken) => searchTokens.some(
          (searchToken) => titleToken !== searchToken && titleToken.includes(searchToken)
        )
      );
      const exactMatchScore = exactMatchingTokens.length / titleTokens.length * 10;
      const subMatchScore = subMatchingTokens.length / titleTokens.length;
      scores[result.id] = exactMatchScore + subMatchScore;
    } else {
      scores[result.id] = 0;
    }
  }
  return results.sort((a, b) => scores[b.id] - scores[a.id]);
}
function tokenize(text) {
  return text.toLowerCase().match(/[\p{L}\p{N}]+/gu) || [];
}
export {
  fetchLinkSuggestions as default,
  sortResults,
  tokenize
};
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