fix(replace): ternary operator replacement (#1712)

Author: smnhgn

packages/replace/src/index.js

@@ -74,9 +74,10 @@ export default function replace(options = {}) {
   if (objectGuards) expandTypeofReplacements(replacements);
   const functionValues = mapToFunctions(replacements);
   const keys = Object.keys(functionValues).sort(longest).map(escape);
-  const lookahead = preventAssignment ? '(?!\\s*(=[^=]|:[^:]))' : '';
+  const lookbehind = preventAssignment ? '(?<!\\b(?:const|let|var)\\s*)' : '';
+  const lookahead = preventAssignment ? '(?!\\s*=[^=])' : '';
   const pattern = new RegExp(
-    `${delimiters[0]}(${keys.join('|')})${delimiters[1]}${lookahead}`,
+    `${lookbehind}${delimiters[0]}(${keys.join('|')})${delimiters[1]}${lookahead}`,
     'g'
   );
 

packages/replace/test/fixtures/form/ternary-operator/_config.js

@@ -0,0 +1,9 @@
+module.exports = {
+  description: "replaces value inside ternary operators",
+  options: {
+    condition: 'first',
+    exprIfTrue: 'second',
+    exprIfFalse: 'third',
+    preventAssignment: true
+  }
+};

packages/replace/test/fixtures/form/ternary-operator/input.js

@@ -0,0 +1,3 @@
+/* eslint-disable */
+condition ? exprIfTrue : exprIfFalse;
+console.log(condition, exprIfTrue, exprIfFalse);

packages/replace/test/fixtures/form/ternary-operator/output.js

@@ -0,0 +1,3 @@
+/* eslint-disable */
+first ? second : third;
+console.log(first, second, third);

packages/replace/test/snapshots/form.js.md

@@ -87,6 +87,14 @@ Generated by [AVA](https://avajs.dev).
       replaced.doSomething()␊
     \`);`
 
+## ternary-operator: replaces value inside ternary operators
+
+> Snapshot 1
+
+    `/* eslint-disable */␊
+    first ? second : third;␊
+    console.log(first, second, third);`
+
 ## typescript-declare: doesn't replace lvalue in typescript declare
 
 > Snapshot 1