@pdf-viewer/react/dist/utils/hooks/useHighlight.js

The PDF Viewer component for React and Next.js

import { useState as l, useCallback as x, useEffect as C } from "react";
import { getHighlightOptionsWithDefaults as H, findMatches as M } from "../highlight.js";
const d = (i) => {
  const [g, a] = l(void 0), [u, r] = l([]), m = x(async (t) => {
    if (!t)
      return {};
    const o = t.numPages, s = {};
    for (let e = 1; e <= o; e++) {
      const h = await t.getPage(e);
      s[e.toString()] = await h.getTextContent();
    }
    return s;
  }, []), f = async (t) => {
    a(t);
  }, c = () => {
    r([]), a(void 0);
  };
  return C(() => {
    i && m(i).then((t) => {
      let o = [];
      for (const { keyword: s, highlightColor: e, options: h } of g) {
        const p = H(h);
        for (const n of Object.keys(t)) {
          const y = M(
            [s],
            t[n],
            Number(n) - 1,
            p
          ).map((b, w) => ({
            ...b,
            page: Number(n),
            pageMatchIdx: w,
            color: e,
            keyword: s
          }));
          o = [...o, ...y];
        }
      }
      r(o);
    }).catch(() => {
      c();
    });
  }, [g, i]), {
    highlight: f,
    clear: c,
    highlightMatches: u,
    highlightKeywords: g
  };
};
export {
  d as useHighlight
};