feat: 🎸 Add = keyword for equality matching

Support = keyword for equality matching in numeric columns

src/filterRows.js

@@ -55,6 +55,15 @@ function getFilterMethod(filter) {
                 .map(cell => cell.rowIndex);
         },
 
+        equals(keyword, cells) {
+            return cells
+                .filter(cell => {
+                    const value = parseFloat(cell.content);
+                    return value === keyword;
+                })
+                .map(cell => cell.rowIndex);
+        },
+
         range(rangeValues, cells) {
             return cells
                 .filter(cell => {
@@ -100,6 +109,17 @@ function guessFilter(keyword = '') {
         };
     }
 
+    if (keyword.startsWith('=')) {
+        if (isNumber(keyword.slice(1))) {
+            return {
+                type: 'equals',
+                text: Number(keyword.slice(1).trim())
+            };
+        }
+
+        keyword = keyword.slice(1);
+    }
+
     return {
         type: 'contains',
         text: keyword.toLowerCase()