@netwerk-digitaal-erfgoed/ld-workbench/build/utils/guards.js

LDWorkbench is a Linked Data Transformation tool designed to use only SPARQL as transformation language.

import validate from './validate.js';
import TriplyDB from '../triply-db.js';
import File from '../file.js';
import { PreviousStage } from '../stage.js';
export const isConfiguration = (value) => value !== null && typeof value === 'object' && validate(value) === null;
export const isFilePathString = (value) => {
    return value !== undefined && value.startsWith('file://');
};
export const isTriplyDBPathString = (value) => {
    if (typeof value !== 'string')
        return false;
    if (!value.startsWith('triplydb://'))
        return false;
    TriplyDB.assertValidDsn(value);
    return true;
};
export const isPreviousStage = (value) => value instanceof PreviousStage;
export const isFile = (value) => value instanceof File;
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