blob: 6a9c336b90319e2fc02af0a8cd8fb10383583070 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/** @returns {{}} */
export function get_spread_update(levels, updates) {
const update = {};
const to_null_out = {};
const accounted_for = { $$scope: 1 };
let i = levels.length;
while (i--) {
const o = levels[i];
const n = updates[i];
if (n) {
for (const key in o) {
if (!(key in n)) to_null_out[key] = 1;
}
for (const key in n) {
if (!accounted_for[key]) {
update[key] = n[key];
accounted_for[key] = 1;
}
}
levels[i] = n;
} else {
for (const key in o) {
accounted_for[key] = 1;
}
}
}
for (const key in to_null_out) {
if (!(key in update)) update[key] = undefined;
}
return update;
}
export function get_spread_object(spread_props) {
return typeof spread_props === 'object' && spread_props !== null ? spread_props : {};
}
|
