63 lines
1.3 KiB
Markdown
63 lines
1.3 KiB
Markdown
|
|
||
|
|
## Input
|
||
|
|
|
||
|
|
```javascript
|
||
|
|
function useHook(nodeID, condition) {
|
||
|
|
const graph = useContext(GraphContext);
|
||
|
|
const node = nodeID != null ? graph[nodeID] : null;
|
||
|
|
|
||
|
|
// (2) Instead we can create a scope around the loop since the loop produces an escaping value
|
||
|
|
let value;
|
||
|
|
for (const key of Object.keys(node?.fields ?? {})) {
|
||
|
|
if (condition) {
|
||
|
|
// (1) We currently create a scope just for this instruction, then later prune the scope because
|
||
|
|
// it's inside a loop
|
||
|
|
value = new Class(node.fields?.[field]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
```
|
||
|
|
|
||
|
|
## Code
|
||
|
|
|
||
|
|
```javascript
|
||
|
|
import { c as _c } from "react/compiler-runtime";
|
||
|
|
function useHook(nodeID, condition) {
|
||
|
|
const $ = _c(6);
|
||
|
|
const graph = useContext(GraphContext);
|
||
|
|
const node = nodeID != null ? graph[nodeID] : null;
|
||
|
|
|
||
|
|
let value;
|
||
|
|
let t0;
|
||
|
|
if ($[0] !== node?.fields) {
|
||
|
|
t0 = Object.keys(node?.fields ?? {});
|
||
|
|
$[0] = node?.fields;
|
||
|
|
$[1] = t0;
|
||
|
|
} else {
|
||
|
|
t0 = $[1];
|
||
|
|
}
|
||
|
|
if ($[2] !== condition || $[3] !== node || $[4] !== t0) {
|
||
|
|
for (const key of t0) {
|
||
|
|
if (condition) {
|
||
|
|
value = new Class(node.fields?.[field]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$[2] = condition;
|
||
|
|
$[3] = node;
|
||
|
|
$[4] = t0;
|
||
|
|
$[5] = value;
|
||
|
|
} else {
|
||
|
|
value = $[5];
|
||
|
|
}
|
||
|
|
|
||
|
|
return value;
|
||
|
|
}
|
||
|
|
|
||
|
|
```
|
||
|
|
|
||
|
|
### Eval output
|
||
|
|
(kind: exception) Fixture not implemented
|