From 6a570a334c787358d67ae6c590a7fd0e916f35e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Donny/=EA=B0=95=EB=8F=99=EC=9C=A4?= <kdy1997.dev@gmail.com>
Date: Tue, 21 Mar 2023 17:46:22 +0900
Subject: [PATCH] fix(es/ast): Fix `EqIgnoreSpan` impl of `Number` (#7112)

**Related issue:**

 - Closes https://github.com/swc-project/swc/issues/7111.
---
 crates/swc_ecma_ast/src/lit.rs                                | 2 +-
 crates/swc_ecma_minifier/tests/fixture/issues/7111/input.js   | 1 +
 crates/swc_ecma_minifier/tests/fixture/issues/7111/output.js  | 1 +
 .../tests/fixture/next/wrap-contracts/output.js               | 4 ++--
 4 files changed, 5 insertions(+), 3 deletions(-)
 create mode 100644 crates/swc_ecma_minifier/tests/fixture/issues/7111/input.js
 create mode 100644 crates/swc_ecma_minifier/tests/fixture/issues/7111/output.js

diff --git a/crates/swc_ecma_ast/src/lit.rs b/crates/swc_ecma_ast/src/lit.rs
index 0d40b4e2ca8..8cefaab9e49 100644
--- a/crates/swc_ecma_ast/src/lit.rs
+++ b/crates/swc_ecma_ast/src/lit.rs
@@ -350,7 +350,7 @@ impl Eq for Number {}
 
 impl EqIgnoreSpan for Number {
     fn eq_ignore_span(&self, other: &Self) -> bool {
-        self.value == other.value
+        self.value == other.value && self.value.is_sign_positive() == other.value.is_sign_positive()
     }
 }
 
diff --git a/crates/swc_ecma_minifier/tests/fixture/issues/7111/input.js b/crates/swc_ecma_minifier/tests/fixture/issues/7111/input.js
new file mode 100644
index 00000000000..eccb24cc309
--- /dev/null
+++ b/crates/swc_ecma_minifier/tests/fixture/issues/7111/input.js
@@ -0,0 +1 @@
+console.log(Math.random() > 0.5 ? -0 : 0)
diff --git a/crates/swc_ecma_minifier/tests/fixture/issues/7111/output.js b/crates/swc_ecma_minifier/tests/fixture/issues/7111/output.js
new file mode 100644
index 00000000000..9ab19754677
--- /dev/null
+++ b/crates/swc_ecma_minifier/tests/fixture/issues/7111/output.js
@@ -0,0 +1 @@
+console.log(Math.random() > 0.5 ? -0 : 0);
diff --git a/crates/swc_ecma_minifier/tests/fixture/next/wrap-contracts/output.js b/crates/swc_ecma_minifier/tests/fixture/next/wrap-contracts/output.js
index 56b4dcd69a9..ddaeee0488b 100644
--- a/crates/swc_ecma_minifier/tests/fixture/next/wrap-contracts/output.js
+++ b/crates/swc_ecma_minifier/tests/fixture/next/wrap-contracts/output.js
@@ -7207,7 +7207,7 @@
                             if (m.c ? !m.c[0] : !m.s) return new BigNumber(NaN);
                             (isModExp = !nIsNeg && x.isInteger() && m.isInteger()) && (x = x.mod(m));
                         } else {
-                            if (n.e > 9 && (x.e > 0 || x.e < -1 || (0 == x.e ? x.c[0] > 1 || nIsBig && x.c[1] >= 24e7 : x.c[0] < 8e13 || nIsBig && x.c[0] <= 9999975e7))) return x.s < 0 && isOdd(n), k = -0, x.e > -1 && (k = 1 / k), new BigNumber(nIsNeg ? 1 / k : k);
+                            if (n.e > 9 && (x.e > 0 || x.e < -1 || (0 == x.e ? x.c[0] > 1 || nIsBig && x.c[1] >= 24e7 : x.c[0] < 8e13 || nIsBig && x.c[0] <= 9999975e7))) return k = x.s < 0 && isOdd(n) ? -0 : 0, x.e > -1 && (k = 1 / k), new BigNumber(nIsNeg ? 1 / k : k);
                             POW_PRECISION && (k = mathceil(POW_PRECISION / LOG_BASE + 2));
                         }
                         for(nIsBig ? (half = new BigNumber(0.5), nIsNeg && (n.s = 1), nIsOdd = isOdd(n)) : nIsOdd = (i = Math.abs(+valueOf(n))) % 2, y = new BigNumber(ONE);;){
@@ -7258,7 +7258,7 @@
                         var xe = x.e / LOG_BASE, ye = y.e / LOG_BASE, xc = x.c, yc = y.c;
                         if (!xe || !ye) {
                             if (!xc || !yc) return xc ? (y.s = -b, y) : new BigNumber(yc ? x : NaN);
-                            if (!xc[0] || !yc[0]) return yc[0] ? (y.s = -b, y) : new BigNumber(xc[0] ? x : -0);
+                            if (!xc[0] || !yc[0]) return yc[0] ? (y.s = -b, y) : new BigNumber(xc[0] ? x : 3 == ROUNDING_MODE ? -0 : 0);
                         }
                         if (xe = bitFloor(xe), ye = bitFloor(ye), xc = xc.slice(), a = xe - ye) {
                             for((xLTy = a < 0) ? (a = -a, t = xc) : (ye = xe, t = yc), t.reverse(), b = a; b--; t.push(0));