fix(tree-select): enable value with empty array (#2173)

LeeJim · web-flow · commit 3767aebe4aa5 · 2023-07-11T14:24:31.000+08:00
diff --git a/src/tree-select/tree-select.ts b/src/tree-select/tree-select.ts
@@ -66,7 +66,7 @@ export default class TreeSelect extends SuperComponent {
 
       if (multiple) {
         const finalValue = this.data.value || this.data.defaultValue;
-        if (!Array.isArray(finalValue[leafLevel])) {
+        if (finalValue[leafLevel] != null && !Array.isArray(finalValue[leafLevel])) {
           throw TypeError('应传入数组类型的 value');
         }
       }

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ export default class TreeSelect extends SuperComponent {`
`66`	`66`
`67`	`67`	`if (multiple) {`
`68`	`68`	`const finalValue = this.data.value \|\| this.data.defaultValue;`
`69`		`- if (!Array.isArray(finalValue[leafLevel])) {`
	`69`	`+ if (finalValue[leafLevel] != null && !Array.isArray(finalValue[leafLevel])) {`
`70`	`70`	`throw TypeError('应传入数组类型的 value');`
`71`	`71`	`}`
`72`	`72`	`}`