filter parser updates?

parser/command_parser.d.ts

···
+export interface Part {
+    type: 'text';
+    value: string;
+    reconstruct: () => string;
+}
+
+export interface Command {
+   type: 'add' | 'filter' | 'done';
+   description: string;
+   attributes: string[];
+   filters: string[];
+   project: string;
+   tags: string;
+   parts: Part[];
+   reconstruct: () => string;
+}
+
+export function parse(input: string): Command; 

parser/filter_go.peg

···
+{
+package parser
+
+type IdFilter struct {
+    Ids []int
+}
+}
+
+Filter <- first:(IdRange / SingleId) rest:(',' (IdRange / SingleId))* {
+    var ids []int
+    first := toIntSlice(first)
+    ids = append(ids, first...)
+    
+    if rest != nil {
+        for _, r := range rest.([]interface{}) {
+            restIds := toIntSlice(r.([]interface{})[1])
+            ids = append(ids, restIds...)
+        }
+    }
+    
+    return &IdFilter{Ids: ids}, nil
+}
+
+IdRange <- start:Integer '-' end:Integer {
+    start := start.(int)
+    end := end.(int)
+    var ids []int
+    for i := start; i <= end; i++ {
+        ids = append(ids, i)
+    }
+    return ids, nil
+}
+
+SingleId <- id:Integer {
+    return []int{id.(int)}, nil
+}
+
+Integer <- [0-9]+ {
+    val := string(c.text)
+    n, _ := strconv.Atoi(val)
+    return n, nil
+}
+
+_ <- [ \t]*
+
+{
+func toIntSlice(v interface{}) []int {
+    if slice, ok := v.([]int); ok {
+        return slice
+    }
+    return nil
+}
+}
+

parser/filter_js.peg

···
+{
+  function makeIdFilter(ids) {
+    return {
+      type: 'id_filter',
+      ids: ids.flat(),
+      reconstruct: function() {
+        return this.ids.join(',');
+      }
+    };
+  }
+}
+
+Filter = first:(IdRange / SingleId) rest:("," (IdRange / SingleId))* {
+  return makeIdFilter([first, ...rest.map(r => r[1])]);
+}
+
+IdRange = start:Integer "-" end:Integer {
+  const ids = [];
+  for (let i = start; i <= end; i++) {
+    ids.push(i);
+  }
+  return ids;
+}
+
+SingleId = id:Integer {
+  return [id];
+}
+
+Integer = digits:[0-9]+ {
+  return parseInt(digits.join(''), 10);
+}