Migrate YogaValue to Kotlin

java/com/facebook/yoga/YogaValue.kt

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.yoga
+
+public class YogaValue
+public constructor(@JvmField public val value: Float, @JvmField public val unit: YogaUnit) {
+  internal constructor(value: Float, unit: Int) : this(value, YogaUnit.fromInt(unit))
+
+  override fun equals(other: Any?): Boolean {
+    if (other is YogaValue) {
+      val otherValue = other
+      if (unit == otherValue.unit) {
+        return unit == YogaUnit.UNDEFINED ||
+            unit == YogaUnit.AUTO ||
+            value.compareTo(otherValue.value) == 0
+      }
+    }
+    return false
+  }
+
+  override fun hashCode(): Int = java.lang.Float.floatToIntBits(value) + unit.intValue()
+
+  override fun toString(): String =
+      when (unit) {
+        YogaUnit.UNDEFINED -> "undefined"
+        YogaUnit.POINT -> value.toString()
+        YogaUnit.PERCENT -> "$value%"
+        YogaUnit.AUTO -> "auto"
+        else -> throw IllegalStateException()
+      }
+
+  public companion object {
+    public val UNDEFINED: YogaValue = YogaValue(YogaConstants.UNDEFINED, YogaUnit.UNDEFINED)
+    public val ZERO: YogaValue = YogaValue(0f, YogaUnit.POINT)
+    public val AUTO: YogaValue = YogaValue(YogaConstants.UNDEFINED, YogaUnit.AUTO)
+
+    public fun parse(s: String?): YogaValue? {
+      if (s == null) {
+        return null
+      }
+
+      if ("undefined" == s) {
+        return UNDEFINED
+      }
+
+      if ("auto" == s) {
+        return AUTO
+      }
+
+      if (s.endsWith("%")) {
+        return YogaValue(s.substring(0, s.length - 1).toFloat(), YogaUnit.PERCENT)
+      }
+
+      return YogaValue(s.toFloat(), YogaUnit.POINT)
+    }
+  }
+}