Expression Language Reference
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    Interface ExprAppContext

    interface ExprAppContext {
        $column: string;
        $in: InputRecord;
        $out: Record<string, any>;
        $pending: Record<string, Promise<any>>;
        $row_number: number;
        $state: ImportState;
        $stopRequested?: Promise<void>;
    }

    Hierarchy (View Summary)

    Index

    Properties

    $column $in $out $pending $row_number $state $stopRequested?

    Properties

    $column: string

    The name of the column currently being computed

    $in: InputRecord

    Row object Can be access either by column name $in['<column-name>'] or by column offset $in[1] .. $in[n]

    $out: Record<string, any>

    Output Row Object $out[string|number] allows access to another columns output

    $pending: Record<string, Promise<any>>

    Allow access to the pending output value of a particular column

    $row_number: number

    Row Number of current row

    $state: ImportState

    The Importer State

    $stopRequested?: Promise<void>

    Promise that completes when the current run is complete or stopped

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