flagnote-web/src/libs/noteStorage.js

import { getKeyMeta } from "@/api/note";
import { getStoreKey } from "@/api/lock";
import { wrap } from "@/libs/secret";
import storage from "@/libs/storage";
import escapeHtml from "escape-html";

export function setStoreText(noteForm, state, secret) {
  let text = noteForm.text;

  let storeText = "";
  if (text) {
    storeText = wrap(text, secret.secretKey);
  }

  storage.local.setText(
    secret.storeKey,
    state.lock +
      "|" +
      secret.cipher +
      "|" +
      state.commited +
      "|" +
      state.initTime +
      "|" +
      storeText
  );
}

export function setNewStoreText(noteForm) {
  let keyMeta =getKeyMeta();
  let storeKey = getStoreKey(keyMeta.key);

  let text = noteForm.text;

  let storeText = "";

  if (text) {
    storeText = wrap(text, keyMeta.secretKey);
  }

  storage.local.setText(
    storeKey,
      "0|" +
      keyMeta.cipher +
      "|0|" +
      keyMeta.serverTime +
      "|" +
      storeText
  );

  return keyMeta.key;
}

export function clearStoreText(key) {
  if (!key) {
    return;
  }
  storage.local.delete(key);
}

export function getEscapeText(text) {
  let textEscape = escapeHtml(text);
  textEscape = textEscape.replace(new RegExp(" ", "gm"), " ");
  textEscape = textEscape.replace(new RegExp("\\r\\n", "gm"), "<br/>");
  textEscape = textEscape.replace(new RegExp("\\r", "gm"), "<br/>");
  textEscape = textEscape.replace(new RegExp("\\n", "gm"), "<br/>");
  textEscape = textEscape.replace(
    new RegExp("\\t", "gm"),
    '<pre class="tab_pre">&#9;</pre>'
  );
  return textEscape;
}