[stdlib] Merge js-ir specific sources into common js sources

2023-10-06 22:20:58 +02:00
parent f00d4022c4
commit 911fa3bbbb
55 changed files with 54 additions and 65 deletions
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin.js
+
+
+// Adopted from misc.js
+
+internal fun compareTo(a: dynamic, b: dynamic): Int = when (jsTypeOf(a)) {
+    "number" -> when {
+        jsTypeOf(b) == "number" ->
+            doubleCompareTo(a, b)
+        b is Long ->
+            doubleCompareTo(a, b.toDouble())
+        else ->
+            primitiveCompareTo(a, b)
+    }
+
+    "string", "boolean" -> primitiveCompareTo(a, b)
+
+    else -> compareToDoNotIntrinsicify(a, b)
+}
+
+@DoNotIntrinsify
+private fun <T : Comparable<T>> compareToDoNotIntrinsicify(a: Comparable<T>, b: T) =
+    a.compareTo(b)
+
+internal fun primitiveCompareTo(a: dynamic, b: dynamic): Int =
+    when {
+        a < b -> -1
+        a > b -> 1
+        else -> 0
+    }
+
+internal fun doubleCompareTo(a: dynamic, b: dynamic): Int =
+    when {
+        a < b -> -1
+        a > b -> 1
+
+        a === b -> {
+            if (a !== 0)
+                0
+            else {
+                val ia = 1.asDynamic() / a
+                if (ia === 1.asDynamic() / b) {
+                    0
+                } else if (ia < 0) {
+                    -1
+                } else {
+                    1
+                }
+            }
+        }
+
+        a !== a ->
+            if (b !== b) 0 else 1
+
+        else -> -1
+    }