add initial marp implementation with sample content and build configuration

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

@@ -0,0 +1,59 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = exports.collect = void 0;
+var _plugin = _interopRequireDefault(require("../plugin"));
+function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
+/** @module */
+
+/**
+ * Marpit collect plugin.
+ *
+ * Collect parsed tokens per slide and comments except marked as used for
+ * internally. These will store to lastSlideTokens and lastComments member of
+ * Marpit instance. It would use in the returned object from
+ * {@link Marpit#render}.
+ *
+ * @function collect
+ * @param {MarkdownIt} md markdown-it instance.
+ */
+function _collect(md) {
+  const {
+    marpit
+  } = md;
+  md.core.ruler.push('marpit_collect', state => {
+    if (state.inlineMode) return;
+    marpit.lastComments = [];
+    marpit.lastSlideTokens = [];
+    let currentPage;
+    let pageIdx = -1;
+    const collectComment = token => {
+      if (currentPage >= 0 && !(token.meta && token.meta.marpitCommentParsed !== undefined)) marpit.lastComments[currentPage].push(token.content);
+    };
+    const collectable = () => currentPage >= 0 && marpit.lastSlideTokens[currentPage] !== undefined;
+    for (const token of state.tokens) {
+      if (token.meta && token.meta.marpitSlideElement === 1) {
+        pageIdx += 1;
+        currentPage = pageIdx;
+        if (marpit.lastSlideTokens[currentPage] === undefined) {
+          marpit.lastSlideTokens[currentPage] = [token];
+          marpit.lastComments[currentPage] = [];
+        }
+      } else if (token.meta && token.meta.marpitSlideElement === -1) {
+        if (collectable()) marpit.lastSlideTokens[currentPage].push(token);
+        currentPage = undefined;
+      } else {
+        if (collectable()) marpit.lastSlideTokens[currentPage].push(token);
+        if (token.type === 'marpit_comment') {
+          collectComment(token);
+        } else if (token.type === 'inline') {
+          for (const t of token.children) if (t.type === 'marpit_comment') collectComment(t);
+        }
+      }
+    }
+  });
+}
+const collect = exports.collect = (0, _plugin.default)(_collect);
+var _default = exports.default = collect;