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silverbullet/common/parser.test.ts

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import { parse } from "./parse_tree.ts";
import buildMarkdown from "./parser.ts";
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import {
collectNodesOfType,
findNodeOfType,
renderToText,
} from "../plug-api/lib/tree.ts";
import { assertEquals, assertNotEquals } from "../test_deps.ts";
const sample1 = `---
type: page
tags:
- hello
- world
---
# This is a doc
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Here is a [[wiki link]] and a [[wiki link|alias]].
Supper`;
const sampleInvalid1 = `---
name: Zef
# This is a doc
Supper`;
Deno.test("Test parser", () => {
const lang = buildMarkdown([]);
let tree = parse(
lang,
sample1,
);
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// console.log("tree", JSON.stringify(tree, null, 2));
// Check if rendering back to text works
assertEquals(renderToText(tree), sample1);
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// Find wiki link and wiki link alias
const links = collectNodesOfType(tree, "WikiLink");
assertEquals(links.length, 2);
const nameNode = findNodeOfType(links[0], "WikiLinkPage");
assertEquals(nameNode?.children![0].text, "wiki link");
// Check if alias is parsed properly
const aliasNode = findNodeOfType(links[1], "WikiLinkAlias");
assertEquals(aliasNode?.children![0].text, "alias");
// Find frontmatter
let node = findNodeOfType(tree, "FrontMatter");
assertNotEquals(node, undefined);
tree = parse(lang, sampleInvalid1);
node = findNodeOfType(tree, "FrontMatter");
// console.log("Invalid node", node);
assertEquals(node, undefined);
});