Add capacitorjs runtime

node_modules/add-stream/index.js

@@ -0,0 +1,56 @@
+'use strict';
+
+var PassThrough = require('stream').PassThrough;
+var Writable = require('stream').Writable;
+var util = require('util');
+
+util.inherits(Appendee, PassThrough);
+util.inherits(Appender, Writable);
+
+function Appendee(factory, opts) {
+	PassThrough.call(this, opts);
+	this.factory = factory;
+	this.opts = opts;
+}
+
+//noinspection JSUnusedGlobalSymbols
+Appendee.prototype._flush = function (end) {
+	var stream = this.factory();
+	stream.pipe(new Appender(this, this.opts))
+		.on('finish', end);
+	stream.resume();
+};
+
+function Appender(target, opts) {
+	Writable.call(this, opts);
+	this.target = target;
+}
+
+//noinspection JSUnusedGlobalSymbols
+Appender.prototype._write = function (chunk, enc, cb) {
+	this.target.push(chunk);
+	cb();
+};
+
+function addStream(stream, opts) {
+	opts = opts || {};
+	var factory;
+	if (typeof stream === 'function') {
+		factory = stream;
+	}
+	else {
+		stream.pause();
+		factory = function () {
+			return stream;
+		};
+	}
+	return new Appendee(factory, opts);
+}
+
+addStream.obj = function (stream, opts) {
+	opts = opts || {};
+	opts.objectMode = true;
+	return addStream(stream, opts);
+};
+
+module.exports = addStream;