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Kristiyan Kostadinov 6ec7a42b95 fix(compiler-cli): avoid conflicts with built-in global variables in for loop blocks (#53319)
Currently we generate the following TCB for a `@for` loop:

```ts
// @for (item of items; track item) {...}

for (const item of this.items) {
  var _t1 = item;
  // Do things with `_t1`
}
```

This is problematic if the item name is the same as a global variable (e.g. `document`), because when the TCB has references to that variable (e.g. `document.createElement`), it'll find the loop initializer instead of the global variable.

These changes fix the issue by generating the following instead:

```ts
for (const _t1 of this.items) {
  // Do things with `_t1`
}
```

Fixes #53293.

PR Close #53319
2023-12-04 21:45:18 -08:00
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Angular

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License: MIT