Vulnerability Fix: Prevent incorrect method alias when method name not found in function name #342
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This PR fixes a logic bug in CallSiteToString() where a suffix comparison using indexOf may return -1, which can cause incorrect [as methodName] aliases to be appended.
For example, when functionName = "doSomething" and methodName = "customMethod", the current logic evaluates -1 != 4 and appends an alias even though the method name is not present.
This change ensures indexOf returns a valid position before comparing suffix. Alternatively, String.prototype.endsWith() is used for clarity where supported.