fix: initData 初始值为 Falsy 时会赋值成默认值

searchfe · Feb 5, 2021 · 5f683d1 · 5f683d1
1 parent f01c94a
commit 5f683d1
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Showing 3 changed files with 42 additions and 16 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -75,7 +75,7 @@
     "eslint-plugin-standard": "^4.0.1",
     "jest": "^26.2.2",
     "san-html-cases": "^3.10.8",
-    "san-ssr": "^4.4.1",
+    "san-ssr": "^4.4.2",
     "semantic-release": "^17.1.1",
     "typedoc": "^0.17.8",
     "wdio-sauce-service": "^0.4.14",
@@ -94,7 +94,7 @@
     "yargs": "^15.4.1"
   },
   "peerDependencies": {
-    "san-ssr": "^4.4.1"
+    "san-ssr": "^4.4.2"
   },
   "release": {
     "branch": "master",

diff --git a/src/emitters/emitter.ts b/src/emitters/emitter.ts
@@ -115,6 +115,7 @@ export class PHPEmitter extends Emitter {
             this.createComponentInstance(node.info)
             break
         case SyntaxKind.Null:
+        case SyntaxKind.Undefined:
             this.write('null')
             break
         case SyntaxKind.NewExpression:
@@ -376,10 +377,35 @@ export class PHPEmitter extends Emitter {
             this.writeSyntaxNode(node.rhs)
             break
         case '!=':
-            if (node.lhs.kind === SyntaxKind.Null) {
+        case '!==':
+            if (node.lhs.kind === SyntaxKind.Null ||
+                node.lhs.kind === SyntaxKind.Undefined) {
                 this.write('isset(')
                 this.writeSyntaxNode(node.rhs)
                 this.write(')')
+            } else if (node.rhs.kind === SyntaxKind.Null ||
+                node.rhs.kind === SyntaxKind.Undefined) {
+                this.write('isset(')
+                this.writeSyntaxNode(node.lhs)
+                this.write(')')
+            } else {
+                this.writeSyntaxNode(node.lhs)
+                this.write(` ${node.op} `)
+                this.writeSyntaxNode(node.rhs)
+            }
+            break
+        case '==':
+        case '===':
+            if (node.lhs.kind === SyntaxKind.Null ||
+                node.lhs.kind === SyntaxKind.Undefined) {
+                this.write('!isset(')
+                this.writeSyntaxNode(node.rhs)
+                this.write(')')
+            } else if (node.rhs.kind === SyntaxKind.Null ||
+                node.rhs.kind === SyntaxKind.Undefined) {
+                this.write('!isset(')
+                this.writeSyntaxNode(node.lhs)
+                this.write(')')
             } else {
                 this.writeSyntaxNode(node.lhs)
                 this.write(` ${node.op} `)