From 4fd57a33c95fb19adbf89230ef26d1c428cdd574 Mon Sep 17 00:00:00 2001
From: Kuitos <kuitos.lau@gmail.com>
Date: Tue, 25 Aug 2020 20:40:55 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20add=20beforeExec=20hook=20(#54)?=
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---
 index.d.ts   | 1 +
 src/index.js | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/index.d.ts b/index.d.ts
index aa0f95c..15cfc97 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -25,6 +25,7 @@ type ExecScriptsOpts = Pick<ImportEntryOpts, 'fetch'> & {
 	strictGlobal?: boolean;
 	success?: CallableFunction;
 	error?: CallableFunction;
+	beforeExec?: CallableFunction;
 }
 
 export type Entry = string | { styles?: string[], scripts?: string[], html?: string };
diff --git a/src/index.js b/src/index.js
index 1cf102a..3f7a6b8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -136,13 +136,17 @@ const supportsUserTiming =
 export function execScripts(entry, scripts, proxy = window, opts = {}) {
 	const {
 		fetch = defaultFetch, strictGlobal = false, success, error = () => {
+		}, beforeExec = () => {
 		},
 	} = opts;
 
 	return getExternalScripts(scripts, fetch, error)
 		.then(scriptsText => {
 
-			const geval = eval;
+			const geval = (code) => {
+				beforeExec();
+				(0, eval)(code);
+			};
 
 			function exec(scriptSrc, inlineScript, resolve) {