@markdown-design/markdown-it-sanitize/dist/plugin.js

A markdown-it plugin built on DOMPurify.

"use strict";
var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
  for (var prop in b || (b = {}))
    if (__hasOwnProp.call(b, prop))
      __defNormalProp(a, prop, b[prop]);
  if (__getOwnPropSymbols)
    for (var prop of __getOwnPropSymbols(b)) {
      if (__propIsEnum.call(b, prop))
        __defNormalProp(a, prop, b[prop]);
    }
  return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const DOMPurify = require("dompurify");
const transformKeys = /* @__PURE__ */ new Set(["code_inline", "text"]);
const transformer = (params) => {
  const { content, md, env, encode } = params;
  const outTokens = [];
  const state = new md.inline.State(content, md, env, outTokens);
  md.inline.tokenize(state);
  if (!outTokens.some((token) => token.type === "html_inline")) return "";
  const transformFn = encode ? encodeURIComponent : decodeURIComponent;
  return outTokens.map((token) => {
    const { content: content2, markup, type } = token;
    const transformedContent = transformKeys.has(type) ? transformFn(content2) : content2;
    return markup + transformedContent + markup;
  }).join("");
};
const sanitize = (md, options = {}) => {
  if (!md.options.html) return;
  md.core.ruler.after("block", "sanitize_block", (state) => {
    state.tokens.forEach((token) => {
      const { type, content } = token;
      if (type !== "html_block") return;
      token.content = DOMPurify.sanitize(content, options);
    });
  });
  md.core.ruler.before("inline", "sanitize_inline", (state) => {
    state.tokens.forEach((token) => {
      if (token.type !== "inline") return;
      const content = transformer(__spreadProps(__spreadValues(__spreadValues({}, state), token), {
        encode: true
      }));
      if (!content) return;
      token.content = transformer(__spreadProps(__spreadValues({}, state), {
        content: DOMPurify.sanitize(content, options),
        encode: false
      }));
    });
  });
};
exports.sanitize = sanitize;