Function isInternalFieldName

packages/sanddance/src/util.ts:8–16

(columnName: string, includeVegaDeckGLFields = false)

export { getPresenterStyle } from './defaults';

export function isInternalFieldName(columnName: string, includeVegaDeckGLFields = false) {
    if (includeVegaDeckGLFields) {
        if (columnName === GL_ORDINAL) return true;
    }
    for (const f in FieldNames) {
        if (columnName === FieldNames[f]) return true;
    }
    return false;
}