ravendb/dist/esm/Documents/Commands/HeadDocumentCommand.js

RavenDB client for Node.js

import { StatusCodes } from "../../Http/StatusCode.js";
import { RavenCommand } from "../../Http/RavenCommand.js";
import { throwError } from "../../Exceptions/index.js";
import { getRequiredEtagHeader } from "../../Utility/HttpUtil.js";
import { HEADERS } from "../../Constants.js";
export class HeadDocumentCommand extends RavenCommand {
    _id;
    _changeVector;
    constructor(id, changeVector) {
        super();
        if (!id) {
            throwError("InvalidArgumentException", "Id cannot be null.");
        }
        this._id = id;
        this._changeVector = changeVector;
        this._responseType = "Empty";
    }
    get isReadRequest() {
        return false;
    }
    createRequest(node) {
        const uri = node.url + "/databases/" + node.database + "/docs?id=" + encodeURIComponent(this._id);
        const headers = this._headers()
            .typeAppJson();
        if (this._changeVector) {
            headers.with(HEADERS.IF_NONE_MATCH, this._changeVector);
        }
        return {
            method: "HEAD",
            uri,
            headers: headers.build()
        };
    }
    async processResponse(cache, response, bodyStream, url) {
        if (response.status === StatusCodes.NotModified) {
            this.result = this._changeVector;
            return "Automatic";
        }
        if (response.status === StatusCodes.NotFound) {
            this.result = null;
            return "Automatic";
        }
        this.result = getRequiredEtagHeader(response);
        return "Automatic";
    }
}
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