feat: implement printer for props statement

Author: zackad

src/print/PropItem.js

@@ -0,0 +1,18 @@
+import { doc } from "prettier";
+import { EXPRESSION_NEEDED, STRING_NEEDS_QUOTES } from "../util/index.js";
+
+const { group, indent, join, line } = doc.builders;
+
+const printPropItem = (node, path, print) => {
+    node[EXPRESSION_NEEDED] = false;
+    node[STRING_NEEDS_QUOTES] = true;
+
+    const docs = [path.call(print, "name")];
+    if (node.value !== undefined) {
+        docs.push([" = ", path.call(print, "value")]);
+    }
+
+    return group(docs);
+};
+
+export { printPropItem };

src/print/PropsStatement.js

@@ -0,0 +1,24 @@
+import { doc } from "prettier";
+
+const { group, indent, join, line, indentIfBreak, ifBreak, softline } =
+    doc.builders;
+
+const printPropsStatement = (node, path, print) => {
+    const itemsGroupId = Symbol("prop-items");
+
+    const mappedItems = path.map(print, "items");
+    const joinedItems = join([",", line], mappedItems);
+
+    return group(
+        [
+            node.trimLeft ? "{%-" : "{%",
+            " props ",
+            indentIfBreak([softline, joinedItems], { groupId: itemsGroupId }),
+            line,
+            node.trimRight ? "-%}" : "%}"
+        ],
+        { id: itemsGroupId }
+    );
+};
+
+export { printPropsStatement };

src/printer.js

@@ -29,6 +29,8 @@ import { printIfStatement } from "./print/IfStatement.js";
 import { printMountStatement } from "./print/MountStatement.js";
 import { printForStatement } from "./print/ForStatement.js";
 import { printSetStatement } from "./print/SetStatement.js";
+import { printPropsStatement } from "./print/PropsStatement.js";
+import { printPropItem } from "./print/PropItem.js";
 import { printDoStatement } from "./print/DoStatement.js";
 import { printExtendsStatement } from "./print/ExtendsStatement.js";
 import { printEmbedStatement } from "./print/EmbedStatement.js";
@@ -221,6 +223,8 @@ printFunctions["MountStatement"] = printMountStatement;
 printFunctions["ForStatement"] = printForStatement;
 printFunctions["BinaryConcatExpression"] = printBinaryExpression;
 printFunctions["SetStatement"] = printSetStatement;
+printFunctions["PropsStatement"] = printPropsStatement;
+printFunctions["PropItem"] = printPropItem;
 printFunctions["VariableDeclarationStatement"] =
     printVariableDeclarationStatement;
 printFunctions["DoStatement"] = printDoStatement;