@struktoai/mirage-core/dist/vfs/mongodb/mongodb.js

A Unified Virtual Filesystem For AI Agents

// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { streamAny as mongodbStream } from "../../core/mongodb/read.js";
import { readdir as mongodbReaddir } from "../../core/mongodb/readdir.js";
import { linesContaining as mongodbLinesContaining } from "../../core/mongodb/search.js";
import { stat as mongodbStat } from "../../core/mongodb/stat.js";
import { follow as mongodbFollow, lastLines as mongodbLastLines, lineCount as mongodbLineCount, } from "../../core/mongodb/stream.js";
import { BaseVFS } from "../base.js";
export const VFS_MD = `\`\`\`text
{prefix}
  <database>/
    database.json              # collection and view names
    collections/<collection>/
      schema.json              # sampled field types, validator, indexes
      documents.jsonl          # streamed BSON Extended JSON documents
    views/<view>/
      schema.json
      documents.jsonl
\`\`\`

- Read \`database.json\` first to discover entities, and \`schema.json\`
  before reading a large document stream.
- \`head\`, \`tail\`, \`wc\`, \`grep\`, \`rg\` and \`jq\` understand
  \`documents.jsonl\`; \`grep\` and \`rg\` fetch only the documents that may
  match.
- An unknown size displays as \`-\`; \`wc -c\` measures bytes and \`wc -l\`
  counts documents on demand. These counts may scan the collection.`;
/**
 * MongoDB's functions over its accessor, which the node and browser
 * packages build over their own transport.
 */
export class MongoDBVFS extends BaseVFS {
    handed = {
        stat: ['entry'],
    };
    readdir(path) {
        return mongodbReaddir(this.accessor, path);
    }
    // eslint-disable-next-line @typescript-eslint/require-await
    async read(path) {
        return mongodbStream(this.accessor, path);
    }
    stat(path, handed) {
        return mongodbStat(this.accessor, path, handed?.entry);
    }
    linesContaining(path, text) {
        return mongodbLinesContaining(this.accessor, path, text);
    }
    lastLines(path, n) {
        return mongodbLastLines(this.accessor, path, n);
    }
    lineCount(path) {
        return mongodbLineCount(this.accessor, path);
    }
    follow(path, n, _interval) {
        return mongodbFollow(this.accessor, path, n);
    }
}
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