[IMP] web: add findWhere utils

closes odoo/odoo#70936

Taskid: 2412172
Related: odoo/enterprise#18366
Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>

2 files changed, 42 insertions, 0 deletions

diff --git a/addons/web/static/src/js/core/utils.js b/addons/web/static/src/js/core/utils.js
index a5a5f4eb465..50e54273ac9 100644
--- a/addons/web/static/src/js/core/utils.js
+++ b/addons/web/static/src/js/core/utils.js
@@ -268,6 +268,25 @@ var utils = {
         return Math.max(min, Math.min(max, val));
     },
     /**
+     * Looks through the list and returns the first value that matches all
+     * of the key-value pairs listed in properties.
+     * If no match is found, or if list is empty, undefined will be returned.
+     *
+     * @param {Array} list
+     * @param {Object} props
+     * @returns {any|undefined} first element in list that matches all props
+     */
+    findWhere: function (list, props) {
+        if (!Array.isArray(list) || !props) {
+            return;
+        }
+        return list.filter((item) => item !== undefined).find((item) => {
+            return Object.keys(props).every((key) => {
+                return item[key] === props[key];
+            })
+        });
+    },
+    /**
      * @param {number} value
      * @param {integer} decimals
      * @returns {boolean}
diff --git a/addons/web/static/tests/core/util_tests.js b/addons/web/static/tests/core/util_tests.js
index 6115833e4f2..88faab4463a 100644
--- a/addons/web/static/tests/core/util_tests.js
+++ b/addons/web/static/tests/core/util_tests.js
@@ -7,6 +7,29 @@ QUnit.module('core', {}, function () {
 
     QUnit.module('utils');
 
+    QUnit.test('findWhere', function (assert) {
+        assert.expect(7);
+
+        const { findWhere } = utils;
+
+        const list = [
+            undefined,
+            { a: 1, b: 2 },
+            { a: 2, b: 2 },
+            { a: 1, b: 3 },
+            { a: 1, b: 4 },
+            { a: 2, b: 4 },
+        ];
+
+        assert.deepEqual(findWhere(list, { a: 1 }), { a: 1, b: 2 });
+        assert.deepEqual(findWhere(list, { a: 2 }), { a: 2, b: 2 });
+        assert.deepEqual(findWhere(list, { b: 4 }), { a: 1, b: 4 });
+        assert.deepEqual(findWhere(list, { b: 4, a: 2 }), { a: 2, b: 4 });
+        assert.ok(findWhere([], { a: 1 }) === undefined);
+        assert.ok(findWhere(list, { a: 1, b: 5 }) === undefined);
+        assert.ok(findWhere(list, { c: 1 }) === undefined);
+    });
+
     QUnit.test('groupBy', function (assert) {
         assert.expect(7);