@netwerk-digitaal-erfgoed/ld-workbench/build/triply-db.js

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

import App from '@triply/triplydb';
const pattern = /^triplydb:\/\/([a-z0-9-]+)\/([a-z0-9-]+)$/;
class TriplyDB {
    constructor($dsn) {
        this.$dsn = $dsn;
        TriplyDB.assertValidDsn($dsn);
        this.accountname = $dsn.match(pattern)[1];
        this.datasetname = $dsn.match(pattern)[2];
    }
    static assertValidDsn(value) {
        if (!pattern.test(value))
            throw new Error('A TriplyDB path should look like this: "triplydb://accountname/dataset"');
    }
    toString() {
        return this.$dsn;
    }
    validate() {
        if (process.env.TOKEN === undefined) {
            throw new Error('To publish to triply you need an environment variable "TOKEN" with your TriplyDB API Token, see https://docs.triply.cc/triply-api/#creating-an-api-token');
        }
        try {
            this.app = App.get({ token: process.env.TOKEN });
        }
        catch (e) {
            throw new Error(`Failed to create TriplyDB App: ${e.message}`);
        }
        return this;
    }
    get path() {
        return this.$datasetUrl ?? this.$dsn;
    }
    async write(pipeline, progress) {
        const filenames = Array.from(pipeline.stages.keys()).map(stageName => pipeline.stages.get(stageName).destinationPath);
        await this.app.getAccount(this.accountname)
            .then(async (account) => account.ensureDataset(this.datasetname))
            .then(async (dataset) => {
            const appInfo = await this.app.getInfo();
            this.$datasetUrl = `${appInfo.consoleUrl}/${this.accountname}/${this.datasetname}`;
            progress.line(`uploading data to ${this.$dsn}`);
            await dataset.importFromFiles(filenames, { mergeGraphs: true });
        })
            .catch(e => {
            throw new Error(`Failed to upload your data to TriplyDB ${this.accountname}/${this.datasetname}: ${e.message}.`);
        });
    }
}
TriplyDB.$id = 'TriplyDB';
export default TriplyDB;
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