mdsvex-enhanced-images/dist/index.js

An MDsveX plugin to preprocess Markdown images using @sveltejs/enhanced-img.

var __defProp = Object.defineProperty;
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;
};

// src/index.ts
import { sep } from "path";
import { visit } from "unist-util-visit";
function escapeHtmlAttribute(value) {
  return String(value).replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/'/g, "&#39;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
}
var defaultResolverFactory = (relativeHandler = (path) => `.${sep}${path}`) => (path) => {
  if (path.startsWith("http://") || path.startsWith("https://") || path.startsWith("$") || path.startsWith("@") || path.startsWith(`.${sep}`) || path.startsWith(`..${sep}`)) {
    return path;
  } else {
    return relativeHandler(path);
  }
};
var enhancedImages = (config) => {
  const resolvedConfig = __spreadValues({
    resolve: defaultResolverFactory()
  }, config);
  return (tree) => {
    visit(tree, "image", (node, index, parent) => {
      if (node.url.startsWith("http://") || node.url.startsWith("https://")) {
        return;
      }
      const url = resolvedConfig.resolve(node.url);
      node.type = "html";
      let imgHtml = `<enhanced:img src="${url}"`;
      if (node.alt !== null) {
        imgHtml += ` alt="${escapeHtmlAttribute(node.alt)}"`;
      }
      if (node.title !== null && node.title !== void 0 && node.title !== "") {
        imgHtml += ` title="${escapeHtmlAttribute(node.title)}"`;
      }
      imgHtml += ` />`;
      node.value = imgHtml;
    });
  };
};
export {
  defaultResolverFactory,
  enhancedImages
};