fix: wrong compilation result of withDirectives (#404)

packages/babel-plugin-jsx/src/buildProps.ts

@@ -242,8 +242,7 @@ const buildProps = (path: NodePath<t.JSXElement>, state: State) => {
             values.forEach((value, index) => {
               const propName = args[index];
               // v-model target with variable
-              // const isIdentifierProp = t.isIdentifier(propName);
-              const isDynamic = !t.isStringLiteral(propName) && !t.isNullLiteral(propName);
+              const isDynamic = propName && !t.isStringLiteral(propName) && !t.isNullLiteral(propName);
 
               // must be v-model or v-models and is a component
               if (!directive) {

packages/babel-plugin-jsx/src/parseDirectives.ts

@@ -1,7 +1,7 @@
 import * as t from '@babel/types';
 import { NodePath } from '@babel/traverse';
 import { createIdentifier } from './utils';
-import { State, ExcludesBoolean } from '.';
+import { State } from '.';
 
 export type Tag = t.Identifier | t.MemberExpression | t.StringLiteral | t.CallExpression;
 
@@ -24,7 +24,7 @@ const getType = (path: NodePath<t.JSXOpeningElement>) => {
   return typePath ? typePath.get('value').node : null;
 };
 
-const parseModifiers = (value: t.ArrayExpression): string[] => (
+const parseModifiers = (value: any): string[] => (
   t.isArrayExpression(value)
     ? value.elements
       .map((el) => (t.isStringLiteral(el) ? el.value : ''))
@@ -64,7 +64,8 @@ const parseDirectives = (params: {
   const shouldResolve = !['html', 'text', 'model', 'models'].includes(directiveName)
     || (isVModel && !isComponent);
 
-  if (['models', 'model'].includes(directiveName)) {
+  let modifiers = underscoreModifiers;
+
   if (t.isArrayExpression(value)) {
     const elementsList = isVModels ? value.elements! : [value];
 
@@ -75,26 +76,26 @@ const parseDirectives = (params: {
 
       const { elements } = element as t.ArrayExpression;
       const [first, second, third] = elements;
-        let modifiers = underscoreModifiers;
 
       if (second && !t.isArrayExpression(second) && !t.isSpreadElement(second)) {
         args.push(second);
         modifiers = parseModifiers(third as t.ArrayExpression);
       } else if (t.isArrayExpression(second)) {
+        if (!shouldResolve) {
           args.push(t.nullLiteral());
+        }
         modifiers = parseModifiers(second);
-        } else {
+      } else if (!shouldResolve) {
         // work as v-model={[value]} or v-models={[[value]]}
         args.push(t.nullLiteral());
       }
       modifiersSet.push(new Set(modifiers));
       vals.push(first as t.Expression);
     });
-    } else if (isVModel) {
+  } else if (isVModel && !shouldResolve) {
     // work as v-model={value}
     args.push(t.nullLiteral());
     modifiersSet.push(new Set(underscoreModifiers));
-    }
   } else {
     modifiersSet.push(new Set(underscoreModifiers));
   }
@@ -107,7 +108,9 @@ const parseDirectives = (params: {
     directive: shouldResolve ? [
       resolveDirective(path, state, tag, directiveName),
       vals[0] || value,
-      !!modifiersSet[0]?.size && t.unaryExpression('void', t.numericLiteral(0), true),
+      modifiersSet[0]?.size
+        ? args[0] || t.unaryExpression('void', t.numericLiteral(0), true)
+        : args[0],
       !!modifiersSet[0]?.size && t.objectExpression(
         [...modifiersSet[0]].map(
           (modifier) => t.objectProperty(
@@ -116,7 +119,7 @@ const parseDirectives = (params: {
           ),
         ),
       ),
-    ].filter(Boolean as any as ExcludesBoolean) : undefined,
+    ].filter(Boolean) as t.Expression[] : undefined,
   };
 };
 

packages/babel-plugin-jsx/test/__snapshots__/snapshot.test.ts.snap

@@ -36,6 +36,24 @@ exports[`custom directive: custom directive 1`] = `
 _withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"cus\\"), x]]);"
 `;
 
+exports[`custom directive: custom directive 2`] = `
+"import { withDirectives as _withDirectives, createVNode as _createVNode, resolveDirective as _resolveDirective, resolveComponent as _resolveComponent, Fragment as _Fragment } from \\"vue\\";
+
+_createVNode(_Fragment, null, [_withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"xxx\\"), x]]), _withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"xxx\\"), x]]), _withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"xxx\\"), x, 'y']]), _withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"xxx\\"), x, 'y', {
+  a: true,
+  b: true
+}]]), _withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"xxx\\"), x, void 0, {
+  a: true,
+  b: true
+}]]), _withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"xxx\\"), x, y, {
+  a: true,
+  b: true
+}]]), _withDirectives(_createVNode(_resolveComponent(\\"A\\"), null, null, 512), [[_resolveDirective(\\"xxx\\"), x, y, {
+  a: true,
+  b: true
+}]])]);"
+`;
+
 exports[`disable object slot syntax with defaultSlot: defaultSlot 1`] = `
 "import { createVNode as _createVNode, resolveComponent as _resolveComponent } from \\"vue\\";
 

packages/babel-plugin-jsx/test/index.test.tsx

@@ -257,32 +257,6 @@ describe('Transform JSX', () => {
 });
 
 describe('directive', () => {
-  test('custom', () => {
-    const calls: number[] = [];
-    const customDirective = {
-      mounted() {
-        calls.push(1);
-      },
-    };
-    const wrapper = shallowMount({
-      directives: { custom: customDirective },
-      setup() {
-        return () => (
-          <a
-            v-custom={{
-              value: 123,
-              modifiers: { modifier: true },
-              arg: 'arg',
-            }}
-          />
-        );
-      },
-    });
-    const node = wrapper.vm.$.subTree;
-    expect(calls).toEqual(expect.arrayContaining([1]));
-    expect(node.dirs).toHaveLength(1);
-  });
-
   test('vHtml', () => {
     const wrapper = shallowMount({
       setup() {

packages/babel-plugin-jsx/test/snapshot.test.ts

@@ -139,6 +139,20 @@ const transpile = (
       a = <A>{a}</A>;
     `,
   },
+  {
+    name: 'custom directive',
+    from: `
+      <>
+        <A v-xxx={x} />
+        <A v-xxx={[x]} />
+        <A v-xxx={[x, 'y']} />
+        <A v-xxx={[x, 'y', ['a', 'b']]} />
+        <A v-xxx={[x, ['a', 'b']]} />
+        <A v-xxx={[x, y, ['a', 'b']]} />
+        <A v-xxx={[x, y, ['a', 'b']]} />
+      </>
+    `,
+  },
   {
     name: 'vModels',
     from: '<C v-models={[[foo, ["modifier"]], [bar, "bar", ["modifier1", "modifier2"]]]} />',