Improve global menu search behavior for multiple terms

tailbone/templates/base.mako

@@ -757,8 +757,27 @@
                 if (!this.globalSearchTerm.length) {
                     return this.globalSearchData
                 }
+
+                let terms = []
+                for (let term of this.globalSearchTerm.toLowerCase().split(' ')) {
+                    term = term.trim()
+                    if (term) {
+                        terms.push(term)
+                    }
+                }
+                if (!terms.length) {
+                    return this.globalSearchData
+                }
+
+                // all terms must match
                 return this.globalSearchData.filter((option) => {
-                    return option.label.toLowerCase().indexOf(this.globalSearchTerm.toLowerCase()) >= 0
+                    let label = option.label.toLowerCase()
+                    for (let term of terms) {
+                        if (label.indexOf(term) < 0) {
+                            return false
+                        }
+                    }
+                    return true
                 })
             },