add initial marp implementation with sample content and build configuration

node_modules/@marp-team/marpit/lib/markdown/inline_svg.js

@@ -0,0 +1,60 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.inlineSVG = exports.default = void 0;
+var _split = require("../helpers/split");
+var _wrap_tokens = require("../helpers/wrap_tokens");
+var _plugin = _interopRequireDefault(require("../plugin"));
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+/** @module */
+
+/**
+ * Marpit Inline SVG plugin.
+ *
+ * @function inlineSVG
+ * @param {MarkdownIt} md markdown-it instance.
+ */
+function _inlineSVG(md) {
+  const {
+    marpit
+  } = md;
+  md.core.ruler.after('marpit_directives_parse', 'marpit_inline_svg', state => {
+    if (!(marpit.inlineSVGOptions && marpit.inlineSVGOptions.enabled) || state.inlineMode) return;
+    const {
+      themeSet,
+      lastGlobalDirectives
+    } = marpit;
+    const w = themeSet.getThemeProp(lastGlobalDirectives.theme, 'widthPixel');
+    const h = themeSet.getThemeProp(lastGlobalDirectives.theme, 'heightPixel');
+    const newTokens = [];
+    for (const tokens of (0, _split.split)(state.tokens, t => t.meta && t.meta.marpitSlideElement === 1, true)) {
+      if (tokens.length > 0) {
+        for (const t of tokens) if (t.meta && t.meta.marpitSlideElement) delete t.meta.marpitSlideElement;
+        newTokens.push(...(0, _wrap_tokens.wrapTokens)(state.Token, 'marpit_inline_svg', {
+          tag: 'svg',
+          'data-marpit-svg': '',
+          viewBox: `0 0 ${w} ${h}`,
+          open: {
+            meta: {
+              marpitSlideElement: 1
+            }
+          },
+          close: {
+            meta: {
+              marpitSlideElement: -1
+            }
+          }
+        }, (0, _wrap_tokens.wrapTokens)(state.Token, 'marpit_inline_svg_content', {
+          tag: 'foreignObject',
+          width: w,
+          height: h
+        }, tokens)));
+      }
+    }
+    state.tokens = newTokens;
+  });
+}
+const inlineSVG = exports.inlineSVG = (0, _plugin.default)(_inlineSVG);
+var _default = exports.default = inlineSVG;