Stricter node type check (#14165)

src/language-js/print/jsx.js

@@ -25,7 +25,6 @@ const { getLast, getPreferredQuote } = require("../../common/util.js");
 const {
   isJsxNode,
   rawText,
-  isLiteral,
   isCallExpression,
   isStringLiteral,
   isBinaryish,
@@ -279,7 +278,7 @@ function printJsxChildren(
   const parts = [];
   path.each((childPath, i, children) => {
     const child = childPath.getValue();
-    if (isLiteral(child)) {
+    if (child.type === "JSXText") {
       const text = rawText(child);
 
       // Contains a non-whitespace character
@@ -812,7 +811,7 @@ function isEmptyJsxElement(node) {
   // if there is one text child and does not contain any meaningful text
   // we can treat the element as empty.
   const child = node.children[0];
-  return isLiteral(child) && !isMeaningfulJsxText(child);
+  return child.type === "JSXText" && !isMeaningfulJsxText(child);
 }
 
 // Meaningful if it contains non-whitespace characters,
@@ -823,7 +822,7 @@ function isEmptyJsxElement(node) {
  */
 function isMeaningfulJsxText(node) {
   return (
-    isLiteral(node) &&
+    node.type === "JSXText" &&
     (containsNonJsxWhitespaceRegex.test(rawText(node)) ||
       !/\n/.test(rawText(node)))
   );
@@ -833,7 +832,7 @@ function isMeaningfulJsxText(node) {
 function isJsxWhitespaceExpression(node) {
   return (
     node.type === "JSXExpressionContainer" &&
-    isLiteral(node.expression) &&
+    isStringLiteral(node.expression) &&
     node.expression.value === " " &&
     !hasComment(node.expression)
   );

src/language-js/print/typescript.js

@@ -15,7 +15,7 @@ const {
   },
 } = require("../../document/index.js");
 const {
-  isLiteral,
+  isStringLiteral,
   getTypeScriptMappedTypeModifier,
   shouldPrintComma,
   isCallExpression,
@@ -449,7 +449,7 @@ function printTypescript(path, options, print) {
       return ["require(", print("expression"), ")"];
     case "TSModuleDeclaration": {
       const parent = path.getParentNode();
-      const isExternalModule = isLiteral(node.id);
+      const isExternalModule = isStringLiteral(node.id);
       const parentIsDeclaration = parent.type === "TSModuleDeclaration";
       const bodyIsDeclaration =
         node.body && node.body.type === "TSModuleDeclaration";