/// <summary>
/// Registers a new selector engine.
/// </summary>
/// <param name="name">Name that is used in selectors as a prefix, e.g. {name: 'foo'} enables foo=myselectorbody selectors. May only contain [a-zA-Z0-9_] characters.</param>
/// <param name="script">Script that evaluates to a selector engine instance.</param>
/// <param name="path">Path to the JavaScript file. If path is a relative path, then it is resolved relative to current working directory.</param>
/// <param name="content">Raw script content.</param>
/// <param name="contentScript">Whether to run this selector engine in isolated JavaScript environment. This environment has access to the same DOM, but not any JavaScript objects from the frame's scripts. Defaults to false. Note that running as a content script is not guaranteed when this engine is used together with other registered engines.</param>
/// <returns>A <see cref="Task"/> that completes when the engine is registered.</returns>
public async Task RegisterAsync(string name, string script = null, string path = null, string content = null, bool?contentScript = null)
{
if (string.IsNullOrEmpty(script))
{
script = ScriptsHelper.EvaluationScript(content, path, false);
}
var registerParam = new SelectorsRegisterParams
{
Name = name,
Source = script,
ContentScript = contentScript,
};
var tasks = new List <Task>();
foreach (var channel in _channels)
{
tasks.Add(channel.RegisterAsync(registerParam));
}
await Task.WhenAll(tasks).ConfigureAwait(false);
_registrations.Add(registerParam);
}
/// <inheritdoc/>
public async Task RegisterAsync(string name, string script, string scriptPath, bool?contentScript = null)
{
script = ScriptsHelper.EvaluationScript(script, scriptPath, false);
var registerParam = new SelectorsRegisterParams
{
Name = name,
Source = script,
ContentScript = contentScript,
};
var tasks = new List <Task>();
foreach (var channel in _channels)
{
tasks.Add(channel.RegisterAsync(registerParam));
}
try
{
await Task.WhenAll(tasks).ConfigureAwait(false);
}
catch (Exception ex) when(ex.Message.Contains("Connection closed"))
{
// Ignore connection closed exceptions.
}
_registrations.Add(registerParam);
}
internal Task RegisterAsync(SelectorsRegisterParams registration) => _channel.RegisterAsync(registration);
