Fix evaluation against the number value 0 (#143)

tkainrad · web-flow · commit 2826ef291e1d · 2024-12-02T09:38:16.000-08:00
diff --git a/packages/experiment-core/src/evaluation/evaluation.ts b/packages/experiment-core/src/evaluation/evaluation.ts
@@ -403,7 +403,7 @@ export class EvaluationEngine {
   }
 
   private coerceString(value: unknown | undefined): string | undefined {
-    if (!value) {
+    if (value === undefined || value === null) {
       return undefined;
     }
     if (typeof value === 'object') {

Original file line number	Diff line number	Diff line change
`@@ -403,7 +403,7 @@ export class EvaluationEngine {`
`403`	`403`	`}`
`404`	`404`
`405`	`405`	`private coerceString(value: unknown \| undefined): string \| undefined {`
`406`		`- if (!value) {`
	`406`	`+ if (value === undefined \|\| value === null) {`
`407`	`407`	`return undefined;`
`408`	`408`	`}`
`409`	`409`	`if (typeof value === 'object') {`