fix: remove 'use strict'; from systemjs when strict=false

src/finalisers/system.ts

@@ -173,7 +173,7 @@ export default function system(
 	let wrapperStart =
 		`System.register(${registeredName}[` +
 		dependencyIds.join(`,${_}`) +
-		`],${_}function${_}(${wrapperParams})${_}{${n}${t}'use strict';` +
+		`],${_}function${_}(${wrapperParams})${_}{${n}${t}${options.strict ? "'use strict';" : ''}` +
 		getStarExcludesBlock(starExcludes, varOrConst, _, t, n) +
 		getImportBindingsBlock(importBindings, _, t, n) +
 		`${n}${t}return${_}{${

test/form/samples/strict-false/_config.js

@@ -0,0 +1,8 @@
+module.exports = {
+	description: 'use strict should not be present',
+	options: {
+		output: {
+			strict: false
+		}
+	}
+};

test/form/samples/strict-false/_expected/amd.js

@@ -0,0 +1,13 @@
+define(function () {
+
+    const localVariable = 'local';
+
+    try {
+        globalVariable = localVariable;
+    } catch (error) {
+        console.log('use strict; detected', error);
+
+        Function("g", "globalVariable = g")(localVariable);
+    }
+
+});

test/form/samples/strict-false/_expected/cjs.js

@@ -0,0 +1,9 @@
+const localVariable = 'local';
+
+try {
+    globalVariable = localVariable;
+} catch (error) {
+    console.log('use strict; detected', error);
+
+    Function("g", "globalVariable = g")(localVariable);
+}

test/form/samples/strict-false/_expected/es.js

@@ -0,0 +1,9 @@
+const localVariable = 'local';
+
+try {
+    globalVariable = localVariable;
+} catch (error) {
+    console.log('use strict; detected', error);
+
+    Function("g", "globalVariable = g")(localVariable);
+}

test/form/samples/strict-false/_expected/iife.js

@@ -0,0 +1,12 @@
+(function () {
+    const localVariable = 'local';
+
+    try {
+        globalVariable = localVariable;
+    } catch (error) {
+        console.log('use strict; detected', error);
+
+        Function("g", "globalVariable = g")(localVariable);
+    }
+
+}());

test/form/samples/strict-false/_expected/system.js

@@ -0,0 +1,18 @@
+System.register([], function () {
+
+    return {
+        execute: function () {
+
+            const localVariable = 'local';
+
+            try {
+                globalVariable = localVariable;
+            } catch (error) {
+                console.log('use strict; detected', error);
+
+                Function("g", "globalVariable = g")(localVariable);
+            }
+
+        }
+    };
+});

test/form/samples/strict-false/_expected/umd.js

@@ -0,0 +1,15 @@
+(function (factory) {
+    typeof define === 'function' && define.amd ? define(factory) :
+    factory();
+}(function () {
+    const localVariable = 'local';
+
+    try {
+        globalVariable = localVariable;
+    } catch (error) {
+        console.log('use strict; detected', error);
+
+        Function("g", "globalVariable = g")(localVariable);
+    }
+
+}));

test/form/samples/strict-false/main.js

@@ -0,0 +1,9 @@
+const localVariable = 'local'
+
+try {
+    globalVariable = localVariable;
+} catch (error) {
+    console.log('use strict; detected', error);
+
+    Function("g", "globalVariable = g")(localVariable);
+}