mpv.js-bumped/index.js

mpv pepper plugin

/**
 * Corresponding JS part of mpv pepper plugin.
 * @module mpv.js
 */

"use strict";

const path = require("path");

/**
 * The MIME type associated with mpv.js plugin.
 */
const PLUGIN_MIME_TYPE = "application/x-mpvjs";

function containsNonASCII(str) {
  for (let i = 0; i < str.length; i++) {
    if (str.charCodeAt(i) > 255) {
      return true;
    }
  }
  return false;
}

/**
 * Return value to be passed to `register-pepper-plugins` switch.
 *
 * @param {string} pluginDir - Plugin directory
 * @param {string} [pluginName=mpvjs.node] - Plugin name
 * @throws {Error} Resulting path contains non-ASCII characters.
 */
function getPluginEntry(pluginDir, pluginName = "mpvjs.node") {
  const fullPluginPath = path.join(pluginDir, pluginName);
  // Try relative path to workaround ASCII-only path restriction.
  let pluginPath = path.relative(process.cwd(), fullPluginPath);
  if (path.dirname(pluginPath) === ".") {
    // "./plugin" is required only on Linux.
    if (process.platform === "linux") {
      pluginPath = `.${path.sep}${pluginPath}`;
    }
  } else {
    // Relative plugin paths doesn't work reliably on Windows, see
    // <https://github.com/Kagami/mpv.js/issues/9>.
    if (process.platform === "win32") {
      pluginPath = fullPluginPath;
    }
  }
  if (containsNonASCII(pluginPath)) {
    if (containsNonASCII(fullPluginPath)) {
      throw new Error("Non-ASCII plugin path is not supported");
    } else {
      pluginPath = fullPluginPath;
    }
  }
  return `${pluginPath};${PLUGIN_MIME_TYPE}`;
}

module.exports = {PLUGIN_MIME_TYPE, getPluginEntry};