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fix(compiler): reject malformed structured props

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This commit is contained in:
Clintchiz
2026-08-09 13:24:18 +05:30
parent 91e8b2ab05
commit 8ef6233ef3
3 changed files with 35 additions and 32 deletions
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packages/compiler/src/codegen.ts
+12 -16
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@@ -2414,7 +2414,7 @@ function generateComponent(ast: PageAst): string {
);
}
decls.push(
` const ${nameRefs.get(prop.name)}: ${prop.valueType ?? "any"} = __coerce(__p[${JSON.stringify(prop.name)}], (${resolveExpr(prop.default)}), ${JSON.stringify(runtimeTypeOf(prop.valueType))});`,
` const ${nameRefs.get(prop.name)}: ${prop.valueType ?? "any"} = __coerce(__p[${JSON.stringify(prop.name)}], (${resolveExpr(prop.default)}), ${JSON.stringify(runtimeTypeOf(prop.valueType))}, ${JSON.stringify(prop.name)});`,
);
}
if (!effectiveProps.some((prop) => prop.name === "attrs")) {
@@ -2504,7 +2504,7 @@ function generateComponent(ast: PageAst): string {
);
}
out.push(`function __coerce(v: any, def: any, declared: string = "unknown"): any {
out.push(`function __coerce(v: any, def: any, declared: string = "unknown", propName: string = "prop"): any {
if (v === undefined || v === null) {
return def;
}
@@ -2529,14 +2529,14 @@ function generateComponent(ast: PageAst): string {
if (typeof v === "string") {
try {
const parsed = JSON.parse(v);
return Array.isArray(parsed) ? parsed : def;
if (!Array.isArray(parsed)) throw new TypeError("Expected an array prop '" + propName + "'");
return parsed;
} catch {
if (declared === "array") throw new TypeError("Expected an array prop");
return def;
throw new TypeError("Expected an array prop '" + propName + "'");
}
}
return def;
throw new TypeError("Expected an array prop '" + propName + "'");
}
if (declared === "object" || (def !== null && typeof def === "object")) {
@@ -2552,20 +2552,16 @@ function generateComponent(ast: PageAst): string {
try {
const parsed = JSON.parse(v);
return (
parsed !== null &&
typeof parsed === "object" &&
!Array.isArray(parsed)
)
? parsed
: def;
if (parsed === null || typeof parsed !== "object" || Array.isArray(parsed)) {
throw new TypeError("Expected an object prop '" + propName + "'");
}
return parsed;
} catch {
if (declared === "object") throw new TypeError("Expected an object prop");
return def;
throw new TypeError("Expected an object prop '" + propName + "'");
}
}
return def;
throw new TypeError("Expected an object prop '" + propName + "'");
}
if (declared === "bigint") return BigInt(v);