Cascader: escape special characters for regexp

jikkai · jikkai · commit 63f38e973490 · 2018-08-06T19:10:19.000+08:00
diff --git a/packages/cascader/src/main.vue b/packages/cascader/src/main.vue
@@ -337,7 +337,9 @@ export default {
       }
 
       let filteredFlatOptions = flatOptions.filter(optionsStack => {
-        return optionsStack.some(option => new RegExp(value, 'i').test(option[this.labelKey]));
+        const escapedValue = value.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
+        return optionsStack.some(option => new RegExp(escapedValue, 'i')
+          .test(option[this.labelKey]));
       });
 
       if (filteredFlatOptions.length > 0) {

Original file line number	Diff line number	Diff line change
`@@ -337,7 +337,9 @@ export default {`
`337`	`337`	`}`
`338`	`338`
`339`	`339`	`let filteredFlatOptions = flatOptions.filter(optionsStack => {`
`340`		`- return optionsStack.some(option => new RegExp(value, 'i').test(option[this.labelKey]));`
	`340`	`+ const escapedValue = value.replace(/[\|\\{}()[\]^$+*?.]/g, '\\$&');`
	`341`	`+ return optionsStack.some(option => new RegExp(escapedValue, 'i')`
	`342`	`+ .test(option[this.labelKey]));`
`341`	`343`	`});`
`342`	`344`
`343`	`345`	`if (filteredFlatOptions.length > 0) {`