diff --git a/dist/dd-symbolizers.d.ts b/dist/dd-symbolizers.d.ts
index 83c6c3ec..46737181 100644
--- a/dist/dd-symbolizers.d.ts
+++ b/dist/dd-symbolizers.d.ts
@@ -2,7 +2,7 @@ import Point from "@mapbox/point-geometry";
 import { Feature } from "./tilecache";
 import { Justify, LabelSymbolizer, TextSymbolizer } from "./symbolizer";
 import { Label, Layout } from "./labeler";
-export declare enum TextPlacements {
+export declare const enum TextPlacements {
     N = 1,
     NE = 2,
     E = 3,
diff --git a/dist/dd-symbolizers.js b/dist/dd-symbolizers.js
index ea30e0e8..8960e970 100644
--- a/dist/dd-symbolizers.js
+++ b/dist/dd-symbolizers.js
@@ -3,17 +3,6 @@ import Point from "@mapbox/point-geometry";
 import { GeomType } from "./tilecache";
 // @ts-ignore
 import { Justify, TextSymbolizer } from "./symbolizer";
-export var TextPlacements;
-(function (TextPlacements) {
-    TextPlacements[TextPlacements["N"] = 1] = "N";
-    TextPlacements[TextPlacements["NE"] = 2] = "NE";
-    TextPlacements[TextPlacements["E"] = 3] = "E";
-    TextPlacements[TextPlacements["SE"] = 4] = "SE";
-    TextPlacements[TextPlacements["S"] = 5] = "S";
-    TextPlacements[TextPlacements["SW"] = 6] = "SW";
-    TextPlacements[TextPlacements["W"] = 7] = "W";
-    TextPlacements[TextPlacements["NW"] = 8] = "NW";
-})(TextPlacements || (TextPlacements = {}));
 export class DataDrivenOffsetSymbolizer {
     constructor(symbolizer, options) {
         this.getBbox = (anchor, bbOrigin, firstLabelBbox) => {
@@ -28,14 +17,14 @@ export class DataDrivenOffsetSymbolizer {
         this.offsetX = options.offsetX || 0;
         this.offsetY = options.offsetY || 0;
         this.placements = options.placements || [
-            TextPlacements.NE,
-            TextPlacements.SW,
-            TextPlacements.NW,
-            TextPlacements.SE,
-            TextPlacements.N,
-            TextPlacements.S,
-            TextPlacements.E,
-            TextPlacements.W,
+            2 /* NE */,
+            6 /* SW */,
+            8 /* NW */,
+            4 /* SE */,
+            1 /* N */,
+            5 /* S */,
+            3 /* E */,
+            7 /* W */,
         ];
         this.attrs =
             options.attrs ||
@@ -97,9 +86,9 @@ export class DataDrivenOffsetSymbolizer {
     computeXAxisOffset(offsetX, fb, placement) {
         const labelWidth = fb.maxX;
         const labelHalfWidth = labelWidth / 2;
-        if ([TextPlacements.N, TextPlacements.S].includes(placement))
+        if ([1 /* N */, 5 /* S */].includes(placement))
             return offsetX - labelHalfWidth;
-        if ([TextPlacements.NW, TextPlacements.W, TextPlacements.SW].includes(placement))
+        if ([8 /* NW */, 7 /* W */, 6 /* SW */].includes(placement))
             return -offsetX - labelWidth;
         return offsetX;
     }
@@ -107,20 +96,20 @@ export class DataDrivenOffsetSymbolizer {
         const labelHalfHeight = Math.abs(fb.minY);
         const labelBottom = fb.maxY;
         const labelCenterHeight = (fb.minY + fb.maxY) / 2;
-        if ([TextPlacements.E, TextPlacements.W].includes(placement))
+        if ([3 /* E */, 7 /* W */].includes(placement))
             return offsetY - labelCenterHeight;
-        if ([TextPlacements.NW, TextPlacements.NE, TextPlacements.N].includes(placement))
+        if ([8 /* NW */, 2 /* NE */, 1 /* N */].includes(placement))
             return -offsetY - labelBottom;
-        if ([TextPlacements.SW, TextPlacements.SE, TextPlacements.S].includes(placement))
+        if ([6 /* SW */, 4 /* SE */, 5 /* S */].includes(placement))
             return offsetY + labelHalfHeight;
         return offsetY;
     }
     computeJustify(fixedJustify, placement) {
         if (fixedJustify)
             return fixedJustify;
-        if ([TextPlacements.N, TextPlacements.S].includes(placement))
+        if ([1 /* N */, 5 /* S */].includes(placement))
             return Justify.Center;
-        if ([TextPlacements.NE, TextPlacements.E, TextPlacements.SE].includes(placement))
+        if ([2 /* NE */, 3 /* E */, 4 /* SE */].includes(placement))
             return Justify.Left;
         return Justify.Right;
     }
diff --git a/src/dd-symbolizers.ts b/src/dd-symbolizers.ts
index 85311e69..61ef519d 100644
--- a/src/dd-symbolizers.ts
+++ b/src/dd-symbolizers.ts
@@ -6,7 +6,7 @@ import { Justify, LabelSymbolizer, TextSymbolizer } from "./symbolizer";
 import { NumberAttr } from "./attribute";
 import { Label, Layout } from "./labeler";
 
-export enum TextPlacements {
+export const enum TextPlacements {
   N = 1,
   NE = 2,
   E = 3,