consolidate literal gen

apps/sim/app/api/function/execute/route.ts

@@ -8,6 +8,7 @@ import { executeInIsolatedVM } from '@/lib/execution/isolated-vm'
 import { CodeLanguage, DEFAULT_CODE_LANGUAGE, isValidCodeLanguage } from '@/lib/execution/languages'
 import { escapeRegExp, normalizeName, REFERENCE } from '@/executor/constants'
 import { type OutputSchema, resolveBlockReference } from '@/executor/utils/block-reference'
+import { formatLiteralForCode } from '@/executor/utils/code-formatting'
 import {
   createEnvVarPattern,
   createWorkflowVariablePattern,
@@ -692,15 +693,7 @@ export async function POST(req: NextRequest) {
         prologue += `const environmentVariables = JSON.parse(${JSON.stringify(JSON.stringify(envVars))});\n`
         prologueLineCount++
         for (const [k, v] of Object.entries(contextVariables)) {
-          if (v === undefined) {
-            prologue += `const ${k} = undefined;\n`
-          } else if (v === null) {
-            prologue += `const ${k} = null;\n`
-          } else if (typeof v === 'boolean' || typeof v === 'number') {
-            prologue += `const ${k} = ${v};\n`
-          } else {
-            prologue += `const ${k} = JSON.parse(${JSON.stringify(JSON.stringify(v))});\n`
-          }
+          prologue += `const ${k} = ${formatLiteralForCode(v, 'javascript')};\n`
           prologueLineCount++
         }
 
@@ -771,25 +764,7 @@ export async function POST(req: NextRequest) {
       prologue += `environmentVariables = json.loads(${JSON.stringify(JSON.stringify(envVars))})\n`
       prologueLineCount++
       for (const [k, v] of Object.entries(contextVariables)) {
-        if (v === undefined) {
-          prologue += `${k} = None\n`
-        } else if (v === null) {
-          prologue += `${k} = None\n`
-        } else if (typeof v === 'boolean') {
-          prologue += `${k} = ${v ? 'True' : 'False'}\n`
-        } else if (typeof v === 'number') {
-          if (Number.isNaN(v)) {
-            prologue += `${k} = float('nan')\n`
-          } else if (v === Number.POSITIVE_INFINITY) {
-            prologue += `${k} = float('inf')\n`
-          } else if (v === Number.NEGATIVE_INFINITY) {
-            prologue += `${k} = float('-inf')\n`
-          } else {
-            prologue += `${k} = ${v}\n`
-          }
-        } else {
-          prologue += `${k} = json.loads(${JSON.stringify(JSON.stringify(v))})\n`
-        }
+        prologue += `${k} = ${formatLiteralForCode(v, 'python')}\n`
         prologueLineCount++
       }
       const wrapped = [

apps/sim/executor/utils/code-formatting.ts

@@ -0,0 +1,48 @@
+/**
+ * Formats a JavaScript/TypeScript value as a code literal for the target language.
+ * Handles special cases like null, undefined, booleans, and Python-specific number representations.
+ *
+ * @param value - The value to format
+ * @param language - Target language ('javascript' or 'python')
+ * @returns A string literal representation valid in the target language
+ *
+ * @example
+ * formatLiteralForCode(null, 'python') // => 'None'
+ * formatLiteralForCode(true, 'python') // => 'True'
+ * formatLiteralForCode(NaN, 'python')  // => "float('nan')"
+ * formatLiteralForCode("hello", 'javascript') // => '"hello"'
+ * formatLiteralForCode({a: 1}, 'python') // => "json.loads('{\"a\":1}')"
+ */
+export function formatLiteralForCode(value: unknown, language: 'javascript' | 'python'): string {
+  const isPython = language === 'python'
+
+  if (value === undefined) {
+    return isPython ? 'None' : 'undefined'
+  }
+  if (value === null) {
+    return isPython ? 'None' : 'null'
+  }
+  if (typeof value === 'boolean') {
+    return isPython ? (value ? 'True' : 'False') : String(value)
+  }
+  if (typeof value === 'number') {
+    if (Number.isNaN(value)) {
+      return isPython ? "float('nan')" : 'NaN'
+    }
+    if (value === Number.POSITIVE_INFINITY) {
+      return isPython ? "float('inf')" : 'Infinity'
+    }
+    if (value === Number.NEGATIVE_INFINITY) {
+      return isPython ? "float('-inf')" : '-Infinity'
+    }
+    return String(value)
+  }
+  if (typeof value === 'string') {
+    return JSON.stringify(value)
+  }
+  // Objects and arrays - Python needs json.loads() because JSON true/false/null aren't valid Python
+  if (isPython) {
+    return `json.loads(${JSON.stringify(JSON.stringify(value))})`
+  }
+  return JSON.stringify(value)
+}

apps/sim/executor/variables/resolvers/block.ts

@@ -10,6 +10,7 @@ import {
   type OutputSchema,
   resolveBlockReference,
 } from '@/executor/utils/block-reference'
+import { formatLiteralForCode } from '@/executor/utils/code-formatting'
 import {
   navigatePath,
   type ResolutionContext,
@@ -207,23 +208,6 @@ export class BlockResolver implements Resolver {
   }
 
   private formatValueForCodeContext(value: any, language?: string): string {
-    const isPython = language === 'python'
-
-    if (typeof value === 'string') {
-      return JSON.stringify(value)
-    }
-    if (typeof value === 'object' && value !== null) {
-      return JSON.stringify(value)
-    }
-    if (value === undefined) {
-      return isPython ? 'None' : 'undefined'
-    }
-    if (value === null) {
-      return isPython ? 'None' : 'null'
-    }
-    if (typeof value === 'boolean') {
-      return isPython ? (value ? 'True' : 'False') : String(value)
-    }
-    return String(value)
+    return formatLiteralForCode(value, language === 'python' ? 'python' : 'javascript')
   }
 }