stream-mock/lib/writable/WritableMock.js

Node stream mock module

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const stream_1 = require("stream");
const constant_1 = require("../constant");
const helpers_1 = require("../helpers");
const warnOnce_1 = require("../helpers/warnOnce");
class WritableMock extends stream_1.Writable {
    constructor(options = {}) {
        warnOnce_1.default(constant_1.WARNINGS.DEP_WRITABLE_MOCK);
        super(options);
        this.data = [];
    }
    _write(chunk, encoding, callback) {
        this.data.push(this._writableState.objectMode ? chunk : helpers_1.chunk2Buffer({ chunk, encoding }));
        callback();
    }
    _final(callback) {
        this.flatData = this._writableState.objectMode
            ? [].concat(...this.data)
            : Buffer.concat(this.data);
        callback();
    }
}
exports.default = WritableMock;
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