@zaruikes/epubjs-core/lib/module/hooks/useInjectWebviewVariables.js

A digital book reader in .opf .epub format for react native using epub.js library inside a webview.

import { useCallback } from 'react';
import template from '../template';
export function useInjectWebVieWVariables() {
  const injectWebVieWVariables = useCallback(({
    jszip,
    epubjs,
    type,
    book,
    theme,
    enableSelection,
    locations,
    allowScriptedContent,
    allowPopups,
    manager,
    flow,
    snap,
    spread,
    fullsize
  }) => {
    return template.replace(/<script id="jszip"><\/script>/, `<script src="${jszip}"></script>`).replace(/<script id="epubjs"><\/script>/, `<script src="${epubjs}"></script>`).replace(/const type = window.type;/, `const type = '${type}';`).replace(/const file = window.book;/, `const file = '${book}';`).replace(/const theme = window.theme;/, `const theme = ${JSON.stringify(theme)};`).replace(/const initialLocations = window.locations;/, `const initialLocations = ${locations};`).replace(/const enableSelection = window.enable_selection;/, `const enableSelection = ${enableSelection};`).replace(/allowScriptedContent: allowScriptedContent/, `allowScriptedContent: ${allowScriptedContent}`).replace(/allowPopups: allowPopups/, `allowPopups: ${allowPopups}`).replace(/manager: "default"/, `manager: ${JSON.stringify(manager)}`).replace(/flow: "auto"/, `flow: ${JSON.stringify(flow)}`).replace(/snap: undefined/, `snap: ${snap ?? undefined}`).replace(/spread: undefined/, `spread: ${spread ? JSON.stringify(spread) : undefined}`).replace(/fullsize: undefined/, `fullsize: ${fullsize ?? undefined}`);
  }, []);
  return {
    injectWebVieWVariables
  };
}