Massive restructure of plugin API

plug-api/lib/tree.test.ts

@@ -0,0 +1,79 @@
+// import { parse } from "./parse_tree.ts";
+import {
+  addParentPointers,
+  collectNodesMatching,
+  findParentMatching,
+  nodeAtPos,
+  removeParentPointers,
+  renderToText,
+  replaceNodesMatching,
+} from "./tree.ts";
+import wikiMarkdownLang from "../../common/parser.ts";
+import { assertEquals, assertNotEquals } from "../../test_deps.ts";
+import { parse } from "../../common/parse_tree.ts";
+
+const mdTest1 = `
+# Heading
+## Sub _heading_ cool
+
+Hello, this is some **bold** text and *italic*. And [a link](http://zef.me).
+
+%% My comment here
+%% And second line
+
+And an @mention
+
+http://zef.plus
+
+- This is a list [[PageLink]]
+- With another item
+- TODOs:
+  - [ ] A task that's not yet done
+  - [x] Hello
+- And a _third_ one [[Wiki Page]] yo
+`;
+
+const mdTest2 = `
+Hello
+
+* Item 1
+*
+
+Sup`;
+
+const mdTest3 = `
+\`\`\`yaml
+name: something
+\`\`\`
+`;
+
+Deno.test("Run a Node sandbox", () => {
+  const lang = wikiMarkdownLang([]);
+  let mdTree = parse(lang, mdTest1);
+  addParentPointers(mdTree);
+  // console.log(JSON.stringify(mdTree, null, 2));
+  let wikiLink = nodeAtPos(mdTree, mdTest1.indexOf("Wiki Page"))!;
+  assertEquals(wikiLink.type, "WikiLink");
+  assertNotEquals(
+    findParentMatching(wikiLink, (n) => n.type === "BulletList"),
+    null,
+  );
+
+  let allTodos = collectNodesMatching(mdTree, (n) => n.type === "Task");
+  assertEquals(allTodos.length, 2);
+
+  // Render back into markdown should be equivalent
+  assertEquals(renderToText(mdTree), mdTest1);
+
+  removeParentPointers(mdTree);
+  replaceNodesMatching(mdTree, (n) => {
+    if (n.type === "Task") {
+      return {
+        type: "Tosk",
+      };
+    }
+  });
+  console.log(JSON.stringify(mdTree, null, 2));
+  let mdTree3 = parse(lang, mdTest3);
+  console.log(JSON.stringify(mdTree3, null, 2));
+});