create-expo-cljs-app/template/node_modules/metro/src/DeltaBundler/Serializers/hmrJSBundle.js

Create a react native application with Expo and Shadow-CLJS!

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *
 * @format
 */
"use strict";

function _toConsumableArray(arr) {
  return (
    _arrayWithoutHoles(arr) ||
    _iterableToArray(arr) ||
    _unsupportedIterableToArray(arr) ||
    _nonIterableSpread()
  );
}

function _nonIterableSpread() {
  throw new TypeError(
    "Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."
  );
}

function _unsupportedIterableToArray(o, minLen) {
  if (!o) return;
  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
  var n = Object.prototype.toString.call(o).slice(8, -1);
  if (n === "Object" && o.constructor) n = o.constructor.name;
  if (n === "Map" || n === "Set") return Array.from(o);
  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))
    return _arrayLikeToArray(o, minLen);
}

function _iterableToArray(iter) {
  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter))
    return Array.from(iter);
}

function _arrayWithoutHoles(arr) {
  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
}

function _arrayLikeToArray(arr, len) {
  if (len == null || len > arr.length) len = arr.length;

  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];

  return arr2;
}

function ownKeys(object, enumerableOnly) {
  var keys = Object.keys(object);

  if (Object.getOwnPropertySymbols) {
    var symbols = Object.getOwnPropertySymbols(object);
    if (enumerableOnly)
      symbols = symbols.filter(function(sym) {
        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
      });
    keys.push.apply(keys, symbols);
  }

  return keys;
}

function _objectSpread(target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i] != null ? arguments[i] : {};

    if (i % 2) {
      ownKeys(Object(source), true).forEach(function(key) {
        _defineProperty(target, key, source[key]);
      });
    } else if (Object.getOwnPropertyDescriptors) {
      Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
    } else {
      ownKeys(Object(source)).forEach(function(key) {
        Object.defineProperty(
          target,
          key,
          Object.getOwnPropertyDescriptor(source, key)
        );
      });
    }
  }

  return target;
}

function _defineProperty(obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
}

const path = require("path");

const url = require("url");

const _require = require("./helpers/js"),
  isJsModule = _require.isJsModule,
  wrapModule = _require.wrapModule;

const _require2 = require("metro-transform-plugins"),
  addParamsToDefineCall = _require2.addParamsToDefineCall;

function generateModules(sourceModules, graph, options) {
  const modules = [];

  for (const module of sourceModules) {
    if (isJsModule(module)) {
      // Construct a bundle URL for this specific module only
      const getURL = extension => {
        options.clientUrl.pathname = path.relative(
          options.projectRoot,
          path.join(
            path.dirname(module.path),
            path.basename(module.path, path.extname(module.path)) +
              "." +
              extension
          )
        );
        return url.format(options.clientUrl);
      };

      const sourceMappingURL = getURL("map");
      const sourceURL = getURL("bundle");
      const code =
        prepareModule(module, graph, options) +
        `\n//# sourceMappingURL=${sourceMappingURL}\n` +
        `//# sourceURL=${sourceURL}\n`;
      modules.push({
        module: [options.createModuleId(module.path), code],
        sourceMappingURL,
        sourceURL
      });
    }
  }

  return modules;
}

function prepareModule(module, graph, options) {
  const code = wrapModule(
    module,
    _objectSpread(
      _objectSpread({}, options),
      {},
      {
        dev: true
      }
    )
  );
  const inverseDependencies = getInverseDependencies(module.path, graph); // Transform the inverse dependency paths to ids.

  const inverseDependenciesById = Object.create(null);
  Object.keys(inverseDependencies).forEach(path => {
    inverseDependenciesById[options.createModuleId(path)] = inverseDependencies[
      path
    ].map(options.createModuleId);
  });
  return addParamsToDefineCall(code, inverseDependenciesById);
}
/**
 * Instead of adding the whole inverseDependncies object into each changed
 * module (which can be really huge if the dependency graph is big), we only
 * add the needed inverseDependencies for each changed module (we do this by
 * traversing upwards the dependency graph).
 */

function getInverseDependencies(path, graph) {
  let inverseDependencies =
    arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; // Dependency alredy traversed.

  if (path in inverseDependencies) {
    return inverseDependencies;
  }

  const module = graph.dependencies.get(path);

  if (!module) {
    return inverseDependencies;
  }

  inverseDependencies[path] = [];

  for (const inverse of module.inverseDependencies) {
    inverseDependencies[path].push(inverse);
    getInverseDependencies(inverse, graph, inverseDependencies);
  }

  return inverseDependencies;
}

function hmrJSBundle(delta, graph, options) {
  return {
    added: generateModules(delta.added.values(), graph, options),
    modified: generateModules(delta.modified.values(), graph, options),
    deleted: _toConsumableArray(delta.deleted).map(path =>
      options.createModuleId(path)
    )
  };
}

module.exports = hmrJSBundle;