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Freeze Template Objects in __makeTemplateObject #51806

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DanielRosenwasser wants to merge 2 commits into from
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Freeze Template Objects in __makeTemplateObject #51806

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9c00001
Have `__makeTemplateObject` freeze template strings objects if possible.
DanielRosenwasser Dec 7, 2022
bef1da1
Update Baselines and/or Applied Lint Fixes
typescript-bot Dec 7, 2022
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7 changes: 6 additions & 1 deletion src/compiler/factory/emitHelpers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -663,7 +663,12 @@ export const templateObjectHelper: UnscopedEmitHelper = {
priority: 0,
text: `
var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
if (Object.freeze) {
Object.freeze(Object.defineProperty(cooked, "raw", { value: Object.freeze(raw) }));
}
else {
cooked.raw = raw;
}
return cooked;
};`
};
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21 changes: 0 additions & 21 deletions tests/baselines/reference/NonNullableInNonStrictMode.js
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45 changes: 0 additions & 45 deletions tests/baselines/reference/NonNullableInNonStrictMode.symbols
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43 changes: 0 additions & 43 deletions tests/baselines/reference/NonNullableInNonStrictMode.types
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7 changes: 6 additions & 1 deletion tests/baselines/reference/asOperator3.js
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Expand Up @@ -12,7 +12,12 @@ var h = tag `Hello` as string;

//// [asOperator3.js]
var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
if (Object.freeze) {
Object.freeze(Object.defineProperty(cooked, "raw", { value: Object.freeze(raw) }));
}
else {
cooked.raw = raw;
}
return cooked;
};
var a = "".concat(123 + 456);
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7 changes: 6 additions & 1 deletion tests/baselines/reference/asOperatorASI.js
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Expand Up @@ -13,7 +13,12 @@ as(Foo); // should emit

//// [asOperatorASI.js]
var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
if (Object.freeze) {
Object.freeze(Object.defineProperty(cooked, "raw", { value: Object.freeze(raw) }));
}
else {
cooked.raw = raw;
}
return cooked;
};
var Foo = /** @class */ (function () {
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116 changes: 0 additions & 116 deletions tests/baselines/reference/cancellationWhenfindingAllRefsOnDefinition.3.baseline.jsonc
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7 changes: 6 additions & 1 deletion tests/baselines/reference/doYouNeedToChangeYourTargetLibraryES2015.js
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Expand Up @@ -94,7 +94,12 @@ const testRegExpUnicode = /abc/g.unicode;

//// [doYouNeedToChangeYourTargetLibraryES2015.js]
var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
if (Object.freeze) {
Object.freeze(Object.defineProperty(cooked, "raw", { value: Object.freeze(raw) }));
}
else {
cooked.raw = raw;
}
return cooked;
};
// es2015
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