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messagix/bloks: support bk.action.core.Let #264

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Merged
iFixRobots merged 1 commit into from
May 6, 2026
+17 −0
Merged

messagix/bloks: support bk.action.core.Let #264

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17 changes: 17 additions & 0 deletions pkg/messagix/bloks/interp.go
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Original file line number Diff line number Diff line change
Expand Up @@ -368,6 +368,23 @@ func (i *Interpreter) Evaluate(ctx context.Context, form *BloksScriptNode) (*Blo
return first, nil
}
return i.Evaluate(ctx, &call.Args[1])
case "bk.action.core.Let":
// Lazy-init: return arg0 if non-null, else apply the FuncConst in arg1.
current, err := i.Evaluate(ctx, &call.Args[0])
if err != nil {
return nil, err
}
if current.IsTruthy() {
return current, nil
}
init, err := evalAs[*BloksLambda](ctx, i, &call.Args[1], "let.init")
if err != nil {
return nil, err
}
newArgs := make([]*BloksScriptLiteral, maxInterpArgs)
copy(newArgs, init.BoundArgs)
ctx = context.WithValue(ctx, interpCtxArgs, newArgs)
return i.Evaluate(ctx, init.Body)
case "bk.action.bloks.GetVariable2", "bk.action.bloks.GetVariableWithScope":
// The second argument to the WithScope variant is an integer that may specify
// whether to get a local or global variable. For now, ignore.
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