memfs
Version:
In-memory file-system with Node's fs API.
57 lines • 2.16 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CrudCas = void 0;
const util_1 = require("./util");
const normalizeErrors = async (code) => {
try {
return await code();
}
catch (error) {
if (error && typeof error === 'object') {
switch (error.name) {
case 'ResourceNotFound':
case 'CollectionNotFound':
throw new DOMException(error.message, 'BlobNotFound');
}
}
throw error;
}
};
class CrudCas {
constructor(crud, options) {
this.crud = crud;
this.options = options;
this.put = async (blob) => {
const digest = await this.options.hash(blob);
const [collection, resource] = (0, util_1.hashToLocation)(digest);
await this.crud.put(collection, resource, blob);
return digest;
};
this.get = async (hash, options) => {
const [collection, resource] = (0, util_1.hashToLocation)(hash);
return await normalizeErrors(async () => {
const blob = await this.crud.get(collection, resource);
if (!(options === null || options === void 0 ? void 0 : options.skipVerification)) {
const digest = await this.options.hash(blob);
if (hash !== digest)
throw new DOMException('Blob contents does not match hash', 'Integrity');
}
return blob;
});
};
this.del = async (hash, silent) => {
const [collection, resource] = (0, util_1.hashToLocation)(hash);
await normalizeErrors(async () => {
return await this.crud.del(collection, resource, silent);
});
};
this.info = async (hash) => {
const [collection, resource] = (0, util_1.hashToLocation)(hash);
return await normalizeErrors(async () => {
return await this.crud.info(collection, resource);
});
};
}
}
exports.CrudCas = CrudCas;
//# sourceMappingURL=CrudCas.js.map