refactor: codemod for conditionallyrender

frontend/scripts/codemod.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+echo "Running codemod on: '$1'"
+npx jscodeshift --extensions=tsx,jsx -t="scripts/jscodeshift-transform-conditionallyrender.js" $1
+npx jscodeshift --extensions=tsx,jsx -t="scripts/jscodeshift-transform-conditionallyrender.js" $1
+
+./node_modules/.bin/biome lint src --write --unsafe
+./node_modules/.bin/biome format src --write

frontend/scripts/jscodeshift-transform-conditionallyrender.js

@@ -0,0 +1,82 @@
+// @ts-check
+
+export const parser = 'tsx';
+
+const getAttr = (j, node, attribute) => {
+    const attributes = node.value?.openingElement?.attributes || [];
+    const attr = attributes.find(
+        (attr) => j.JSXAttribute.check(attr) && attr.name.name === attribute,
+    );
+
+    if (!attr) {
+        return null;
+    }
+
+    const value = attr.value;
+
+    if (value.type === 'StringLiteral') {
+        return value;
+    }
+
+    return value?.expression || null;
+};
+
+/** @type {import('jscodeshift').Transform} */
+const transform = (file, api, options) => {
+    const j = api.jscodeshift;
+    const root = j(file.source);
+
+    root.findJSXElements('ConditionallyRender')
+        .forEach((path) => {
+            const attributes = path.node.openingElement.attributes;
+
+            attributes?.forEach((attr) => {
+                if (
+                    j.JSXAttribute.check(attr) &&
+                    (attr.name.name === 'show' || attr.name.name === 'elseShow')
+                ) {
+                    const attrValue = attr.value;
+
+                    // Check if the attribute value is an arrow function returning JSX
+                    if (
+                        j.JSXExpressionContainer.check(attrValue) &&
+                        j.ArrowFunctionExpression.check(attrValue.expression)
+                    ) {
+                        const arrowFunctionBody = attrValue.expression.body;
+
+                        if (
+                            j.JSXElement.check(arrowFunctionBody) ||
+                            j.JSXFragment.check(arrowFunctionBody)
+                        ) {
+                            // Replace the arrow function with the direct JSX element or fragment
+                            attr.value =
+                                j.jsxExpressionContainer(arrowFunctionBody);
+                        }
+                    }
+                }
+            });
+        })
+        .replaceWith((node) => {
+            const isInJSX = ['JSXElement', 'JSXFragment'].includes(
+                node.parent.value.type,
+            );
+
+            const condition = getAttr(j, node, 'condition');
+            const show = getAttr(j, node, 'show');
+            const elseShow = getAttr(j, node, 'elseShow');
+            const alternate = elseShow === null ? j.nullLiteral() : elseShow;
+
+            return isInJSX
+                ? j.jsxExpressionContainer({
+                      type: 'ConditionalExpression',
+                      test: condition,
+                      consequent: show,
+                      alternate,
+                  })
+                : j.conditionalExpression(condition, show, alternate);
+        });
+
+    return root.toSource();
+};
+
+export default transform;

frontend/src/component/common/ConditionallyRender/ConditionallyRender.tsx

@@ -15,6 +15,10 @@ type TargetElement =
 
 type RenderFunc = () => JSX.Element;
 
+/**
+ * @deprecated Use a ternary operator (`condition ? show : elseShow`)
+ * @see https://docs.getunleash.io/contributing/ADRs/front-end/jsx-conditionals
+ */
 export const ConditionallyRender = ({
     condition,
     show,