Self-referenced function has non-fixed values assigned to its parameters.
Let `unused` & `!keep_fnames` do the scanning, then apply `reduce_vars` only to unnamed functions.
fixes #1595
}
var iife;
if (node instanceof AST_Function
+ && !node.name
&& (iife = tw.parent()) instanceof AST_Call
&& iife.expression === node) {
// Virtually turn IIFE parameters into variable definitions:
})(x(), 0, z());
}
}
+
+issue_1595_1: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ (function f(a) {
+ return f(a + 1);
+ })(2);
+ }
+ expect: {
+ (function f(a) {
+ return f(a + 1);
+ })(2);
+ }
+}
+
+issue_1595_2: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ (function f(a) {
+ return g(a + 1);
+ })(2);
+ }
+ expect: {
+ (function(a) {
+ return g(a + 1);
+ })(2);
+ }
+}
+
+issue_1595_3: {
+ options = {
+ evaluate: true,
+ passes: 2,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ (function f(a) {
+ return g(a + 1);
+ })(2);
+ }
+ expect: {
+ (function(a) {
+ return g(3);
+ })();
+ }
+}
+
+issue_1595_4: {
+ options = {
+ evaluate: true,
+ reduce_vars: true,
+ unused: true,
+ }
+ input: {
+ (function iife(a, b, c) {
+ console.log(a, b, c);
+ if (a) iife(a - 1, b, c);
+ })(3, 4, 5);
+ }
+ expect: {
+ (function iife(a, b, c) {
+ console.log(a, b, c);
+ if (a) iife(a - 1, b, c);
+ })(3, 4, 5);
+ }
+}