feat(hiccup): add XML_PROC & DOCTYPE_HTML constants

- update tests
thi-ng · Aug 27, 2023 · 4ec98fd · 4ec98fd
1 parent 19f290f
commit 4ec98fd
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Showing 2 changed files with 16 additions and 2 deletions.
diff --git a/packages/hiccup/src/api.ts b/packages/hiccup/src/api.ts
@@ -16,6 +16,19 @@ export const COMMENT = "__COMMENT__";
 /** @internal */
 export const CDATA = "!CDATA";
 
+/**
+ * XML processing instruction in hiccup format.
+ *
+ * @remarks
+ * Translates to `<?xml version="1.0" encoding="UTF-8"?>`
+ */
+export const XML_PROC = ["?xml", { version: "1.0", encoding: "UTF-8" }];
+
+/**
+ * `<!DOCTYPE html>` in hiccup format
+ */
+export const DOCTYPE_HTML = ["!DOCTYPE", "html"];
+
 /** @internal */
 export const NO_SPANS: {
 	[id: string]: number;

diff --git a/packages/hiccup/test/index.ts b/packages/hiccup/test/index.ts
@@ -2,7 +2,7 @@ import { Atom } from "@thi.ng/atom";
 import { foaf } from "@thi.ng/prefixes";
 import { group } from "@thi.ng/testament";
 import * as assert from "assert";
-import { serialize } from "../src/index.js";
+import { DOCTYPE_HTML, XML_PROC, serialize } from "../src/index.js";
 
 const _check = (a: any, b: any) => assert.strictEqual(serialize(a), b);
 
@@ -331,8 +331,9 @@ group("serialize", {
 		`<a><b>bbb</b></a>`
 	),
 
-	...check("doctype", ["!DOCTYPE", "html"], "<!DOCTYPE html>\n"),
+	...check("doctype_html", DOCTYPE_HTML, "<!DOCTYPE html>\n"),
 
+	...check("xml_proc", XML_PROC, `<?xml version="1.0" encoding="UTF-8"?>\n`),
 	...check(
 		"?xml",
 		["?xml", { version: "1.0", standalone: "yes" }],