Wirebrowser Automation Script API Referece
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    Interface BaseHookContext

    interface BaseHookContext {
        functionSource?: string;
        phase: HookPhase;
        stackTrace: HookStackFrame[];
        variables: string[];
        eval(expression: string): void;
        log(message: string): void;
        send(message: any): void;
        setVariable(name: string, value: any): void;
        stepInto(): void;
        stepIntoAsync(): void;
        stepOut(): void;
        stepOver(): void;
    }

    Hierarchy (View Summary)

    Index

    Properties

    functionSource? phase stackTrace variables

    Methods

    eval log send setVariable stepInto stepIntoAsync stepOut stepOver

    Properties

    functionSource?: string
    phase: HookPhase
    stackTrace: HookStackFrame[]
    variables: string[]

    Variables in 'local', 'closure' or 'catch' scope. These are the variables that can be modified with ctx.setVariable

    Methods

    • Schedules an expression to be evaluated in the current call frame.

      The result is exposed later as result.evalResult in handleResult.

      This runs with full access to the frame scope and this. Execution is deferred and the result is not available immediately.

      Use inline JavaScript for immediate evaluation.

      Parameters

      • expression: string

      Returns void

    • Collects log messages that are displayed on the Node-side once the handler execution is completed.

      Parameters

      • message: string

      Returns void

    • Sends a structured message to the Node-side result handler. Collected into result.messages.

      Parameters

      • message: any

      Returns void

    • Schedules a write to a variable binding in the current call frame using debugger semantics.

      The variable is resolved by walking the scope chain (CDP order) and selecting the first match in a supported scope (local, closure, catch).

      This is NOT a normal JavaScript assignment:

      • execution is deferred (applied after the handler returns)
      • it bypasses JS semantics (e.g. can modify const)

      If the first match is in an unsupported scope (e.g. block), the operation fails.

      Use inline JavaScript for immediate, standard behavior.

      Parameters

      • name: string
      • value: any

      Returns void

    • Requests continuation into the next function call. If the runtime can correlate the continuation, onStep will be invoked later.

      Returns void

    • Requests stepping into the next asynchronous continuation. If the runtime can correlate the continuation, onStep will be invoked later.

      Returns void

    • Requests stepping out of the current function.

      If the runtime can correlate the continuation, onStep will be invoked later.

      Returns void

    • Requests stepping over the current line.

      If the runtime can correlate the continuation, onStep will be invoked later.

      Returns void

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