Drop ix lib. Node 22 has native iterator helper methods.

package.json

@@ -84,7 +84,6 @@
     "indent-string": "^5.0.0",
     "ioredis": "^5.3.2",
     "iso-3166-1": "^2.1.1",
-    "ix": "^5.0.0",
     "jsonwebtoken": "^9.0.2",
     "lazy-get-decorator": "^2.2.1",
     "lodash": "npm:lodash-es@^4.17.21",

src/common/xlsx.util.ts

@@ -1,5 +1,4 @@
 import { mapEntries, nonEnumerable } from '@seedcompany/common';
-import { Iterable } from 'ix';
 import { LazyGetter as Once } from 'lazy-get-decorator';
 import { assert } from 'ts-essentials';
 import {
@@ -274,38 +273,30 @@ abstract class Rangable<TSheet extends Sheet = Sheet> {
    * Iterate through the rows in this range.
    * Cell column is always the starting column.
    */
-  walkDown(): Iterable<Cell<TSheet>> {
-    return Iterable.from(
-      function* (this: Rangable<TSheet>) {
-        let current = this.start.row;
-        while (current <= this.end.row) {
-          const cell = current.cell(this.start.column);
-          if (cell.exists) {
-            yield cell;
-          }
-          current = current.move(1);
-        }
-      }.call(this),
-    );
+  *walkDown() {
+    let current = this.start.row;
+    while (current <= this.end.row) {
+      const cell = current.cell(this.start.column);
+      if (cell.exists) {
+        yield cell;
+      }
+      current = current.move(1);
+    }
   }
 
   /**
    * Iterate through the columns in this range.
    * Cell row is always the starting row.
    */
-  walkRight(): Iterable<Cell<TSheet>> {
-    return Iterable.from(
-      function* (this: Rangable<TSheet>) {
-        let current = this.start.column;
-        while (current <= this.end.column) {
-          const cell = current.cell(this.start.row);
-          if (cell.exists) {
-            yield cell;
-          }
-          current = current.move(1);
-        }
-      }.call(this),
-    );
+  *walkRight() {
+    let current = this.start.column;
+    while (current <= this.end.column) {
+      const cell = current.cell(this.start.row);
+      if (cell.exists) {
+        yield cell;
+      }
+      current = current.move(1);
+    }
   }
 
   get ref() {

src/components/pnp/findStepColumns.ts

@@ -6,9 +6,6 @@ import { ProductStep as Step } from '../product/dto';
 import { type PnpExtractionResult, PnpProblemType } from './extraction-result';
 import { type PlanningSheet } from './planning-sheet';
 import { type ProgressSheet } from './progress-sheet';
-import 'ix/add/iterable-operators/filter.js';
-import 'ix/add/iterable-operators/map.js';
-import 'ix/add/iterable-operators/toarray.js';
 
 /**
  * Fuzzy match available steps to their column address.

yarn.lock

@@ -4154,13 +4154,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:^13.7.4":
-  version: 13.13.52
-  resolution: "@types/node@npm:13.13.52"
-  checksum: 10c0/9224aaea219fe7f8b903039bb146d4c38b391d0166a8226a1efa2d43a35b5b7dddfe021c32941bb454a1543da94921c112687934da88e2a019f4bd44f9d517b5
-  languageName: node
-  linkType: hard
-
 "@types/normalize-package-data@npm:^2.4.3":
   version: 2.4.4
   resolution: "@types/normalize-package-data@npm:2.4.4"
@@ -5901,7 +5894,6 @@ __metadata:
     indent-string: "npm:^5.0.0"
     ioredis: "npm:^5.3.2"
     iso-3166-1: "npm:^2.1.1"
-    ix: "npm:^5.0.0"
     jest: "npm:^29.7.0"
     jsonwebtoken: "npm:^9.0.2"
     lazy-get-decorator: "npm:^2.2.1"
@@ -9084,16 +9076,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"ix@npm:^5.0.0":
-  version: 5.0.0
-  resolution: "ix@npm:5.0.0"
-  dependencies:
-    "@types/node": "npm:^13.7.4"
-    tslib: "npm:^2.3.0"
-  checksum: 10c0/2b9a1fd724fb9d42e2d0786ab03333148a776fe546cc7f27ed95d49c7d22231cc371bbc9b377a4f29cbaf8ac0cdc5ef80a21821e396cf5462f1d5b8f7a8f8624
-  languageName: node
-  linkType: hard
-
 "jackspeak@npm:^3.1.2":
   version: 3.4.3
   resolution: "jackspeak@npm:3.4.3"
@@ -13632,7 +13614,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tslib@npm:2.8.1, tslib@npm:^2.0.1, tslib@npm:^2.0.3, tslib@npm:^2.1.0, tslib@npm:^2.3.0, tslib@npm:^2.4.0, tslib@npm:^2.5.0, tslib@npm:^2.6.2, tslib@npm:^2.6.3, tslib@npm:^2.8.1":
+"tslib@npm:2.8.1, tslib@npm:^2.0.1, tslib@npm:^2.0.3, tslib@npm:^2.1.0, tslib@npm:^2.4.0, tslib@npm:^2.5.0, tslib@npm:^2.6.2, tslib@npm:^2.6.3, tslib@npm:^2.8.1":
   version: 2.8.1
   resolution: "tslib@npm:2.8.1"
   checksum: 10c0/9c4759110a19c53f992d9aae23aac5ced636e99887b51b9e61def52611732872ff7668757d4e4c61f19691e36f4da981cd9485e869b4a7408d689f6bf1f14e62