diff --git a/src/plugins/asset.ts b/src/plugins/asset.ts
index 3b0e7d2..7292ee9 100644
--- a/src/plugins/asset.ts
+++ b/src/plugins/asset.ts
@@ -107,31 +107,27 @@ export default function assetPlugin(): Plugin {
       let s: MagicString | undefined
 
       nodeAssetRE.lastIndex = 0
-      if (code.match(nodeAssetRE)) {
-        while ((match = nodeAssetRE.exec(code))) {
-          s ||= new MagicString(code)
-          const [full, hash] = match
-          const filename = this.getFileName(hash)
-          const outputFilepath = toRelativePath(filename, chunk.fileName)
-          const replacement = JSON.stringify(outputFilepath)
-          s.overwrite(match.index, match.index + full.length, replacement, {
-            contentOnly: true
-          })
-        }
+      while ((match = nodeAssetRE.exec(code))) {
+        s ||= new MagicString(code)
+        const [full, hash] = match
+        const filename = this.getFileName(hash)
+        const outputFilepath = toRelativePath(filename, chunk.fileName)
+        const replacement = JSON.stringify(outputFilepath)
+        s.overwrite(match.index, match.index + full.length, replacement, {
+          contentOnly: true
+        })
       }
 
       nodePublicAssetRE.lastIndex = 0
-      if (code.match(nodePublicAssetRE)) {
-        while ((match = nodePublicAssetRE.exec(code))) {
-          s ||= new MagicString(code)
-          const [full, hash] = match
-          const filename = publicAssetPathCache.get(hash)!
-          const outputFilepath = toRelativePath(filename, normalizePath(path.join(outDir, chunk.fileName)))
-          const replacement = JSON.stringify(outputFilepath)
-          s.overwrite(match.index, match.index + full.length, replacement, {
-            contentOnly: true
-          })
-        }
+      while ((match = nodePublicAssetRE.exec(code))) {
+        s ||= new MagicString(code)
+        const [full, hash] = match
+        const filename = publicAssetPathCache.get(hash)!
+        const outputFilepath = toRelativePath(filename, normalizePath(path.join(outDir, chunk.fileName)))
+        const replacement = JSON.stringify(outputFilepath)
+        s.overwrite(match.index, match.index + full.length, replacement, {
+          contentOnly: true
+        })
       }
 
       if (s) {
@@ -139,9 +135,9 @@ export default function assetPlugin(): Plugin {
           code: s.toString(),
           map: sourcemap ? s.generateMap({ hires: 'boundary' }) : null
         }
-      } else {
-        return null
       }
+
+      return null
     }
   }
 }
diff --git a/src/plugins/bytecode.ts b/src/plugins/bytecode.ts
index 276110e..eeed31c 100644
--- a/src/plugins/bytecode.ts
+++ b/src/plugins/bytecode.ts
@@ -255,17 +255,20 @@ export function bytecodePlugin(options: BytecodeOptions = {}): Plugin | null {
           const chunk = output[name]
           if (chunk.type === 'chunk') {
             let _code = chunk.code
-            if (bytecodeRE && _code.match(bytecodeRE)) {
+            if (bytecodeRE) {
               let match: RegExpExecArray | null
-              const s = new MagicString(_code)
+              let s: MagicString | undefined
               while ((match = bytecodeRE.exec(_code))) {
+                s ||= new MagicString(_code)
                 const [prefix, chunkName] = match
                 const len = prefix.length + chunkName.length
                 s.overwrite(match.index, match.index + len, prefix + chunkName + 'c', {
                   contentOnly: true
                 })
               }
-              _code = s.toString()
+              if (s) {
+                _code = s.toString()
+              }
             }
             if (bytecodeChunks.includes(name)) {
               const bytecodeBuffer = await compileToBytecode(_code)
diff --git a/src/plugins/modulePath.ts b/src/plugins/modulePath.ts
index c2f2796..06c0374 100644
--- a/src/plugins/modulePath.ts
+++ b/src/plugins/modulePath.ts
@@ -38,20 +38,22 @@ export default function modulePathPlugin(config: InlineConfig): Plugin {
       }
     },
     renderChunk(code, chunk, { sourcemap }): { code: string; map: SourceMapInput } | null {
-      if (code.match(modulePathRE)) {
-        let match: RegExpExecArray | null
-        const s = new MagicString(code)
+      let match: RegExpExecArray | null
+      let s: MagicString | undefined
 
-        while ((match = modulePathRE.exec(code))) {
-          const [full, hash] = match
-          const filename = this.getFileName(hash)
-          const outputFilepath = toRelativePath(filename, chunk.fileName)
-          const replacement = JSON.stringify(outputFilepath)
-          s.overwrite(match.index, match.index + full.length, replacement, {
-            contentOnly: true
-          })
-        }
+      modulePathRE.lastIndex = 0
+      while ((match = modulePathRE.exec(code))) {
+        s ||= new MagicString(code)
+        const [full, hash] = match
+        const filename = this.getFileName(hash)
+        const outputFilepath = toRelativePath(filename, chunk.fileName)
+        const replacement = JSON.stringify(outputFilepath)
+        s.overwrite(match.index, match.index + full.length, replacement, {
+          contentOnly: true
+        })
+      }
 
+      if (s) {
         return {
           code: s.toString(),
           map: sourcemap ? s.generateMap({ hires: 'boundary' }) : null
diff --git a/src/plugins/worker.ts b/src/plugins/worker.ts
index e17b888..b13b369 100644
--- a/src/plugins/worker.ts
+++ b/src/plugins/worker.ts
@@ -37,20 +37,22 @@ export default function workerPlugin(): Plugin {
       }
     },
     renderChunk(code, chunk, { sourcemap }): { code: string; map: SourceMapInput } | null {
-      if (code.match(nodeWorkerAssetUrlRE)) {
-        let match: RegExpExecArray | null
-        const s = new MagicString(code)
+      let match: RegExpExecArray | null
+      let s: MagicString | undefined
 
-        while ((match = nodeWorkerAssetUrlRE.exec(code))) {
-          const [full, hash] = match
-          const filename = this.getFileName(hash)
-          const outputFilepath = toRelativePath(filename, chunk.fileName)
-          const replacement = JSON.stringify(outputFilepath)
-          s.overwrite(match.index, match.index + full.length, replacement, {
-            contentOnly: true
-          })
-        }
+      nodeWorkerAssetUrlRE.lastIndex = 0
+      while ((match = nodeWorkerAssetUrlRE.exec(code))) {
+        s ||= new MagicString(code)
+        const [full, hash] = match
+        const filename = this.getFileName(hash)
+        const outputFilepath = toRelativePath(filename, chunk.fileName)
+        const replacement = JSON.stringify(outputFilepath)
+        s.overwrite(match.index, match.index + full.length, replacement, {
+          contentOnly: true
+        })
+      }
 
+      if (s) {
         return {
           code: s.toString(),
           map: sourcemap ? s.generateMap({ hires: 'boundary' }) : null