node-d3-dispatch 1.0.3-2 / usr / lib / nodejs / d3-dispatch / build / d3-dispatch.js

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/* 0 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


Object.defineProperty(exports, "__esModule", {
  value: true
});

var _dispatch = __webpack_require__(1);

Object.defineProperty(exports, "dispatch", {
  enumerable: true,
  get: function get() {
    return _interopRequireDefault(_dispatch).default;
  }
});

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


Object.defineProperty(exports, "__esModule", {
  value: true
});
var noop = { value: function value() {} };

function dispatch() {
  for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) {
    if (!(t = arguments[i] + "") || t in _) throw new Error("illegal type: " + t);
    _[t] = [];
  }
  return new Dispatch(_);
}

function Dispatch(_) {
  this._ = _;
}

function parseTypenames(typenames, types) {
  return typenames.trim().split(/^|\s+/).map(function (t) {
    var name = "",
        i = t.indexOf(".");
    if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);
    if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t);
    return { type: t, name: name };
  });
}

Dispatch.prototype = dispatch.prototype = {
  constructor: Dispatch,
  on: function on(typename, callback) {
    var _ = this._,
        T = parseTypenames(typename + "", _),
        t,
        i = -1,
        n = T.length;

    // If no callback was specified, return the callback of the given type and name.
    if (arguments.length < 2) {
      while (++i < n) {
        if ((t = (typename = T[i]).type) && (t = get(_[t], typename.name))) return t;
      }return;
    }

    // If a type was specified, set the callback for the given type and name.
    // Otherwise, if a null callback was specified, remove callbacks of the given name.
    if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback);
    while (++i < n) {
      if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback);else if (callback == null) for (t in _) {
        _[t] = set(_[t], typename.name, null);
      }
    }

    return this;
  },
  copy: function copy() {
    var copy = {},
        _ = this._;
    for (var t in _) {
      copy[t] = _[t].slice();
    }return new Dispatch(copy);
  },
  call: function call(type, that) {
    if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) {
      args[i] = arguments[i + 2];
    }if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
    for (t = this._[type], i = 0, n = t.length; i < n; ++i) {
      t[i].value.apply(that, args);
    }
  },
  apply: function apply(type, that, args) {
    if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
    for (var t = this._[type], i = 0, n = t.length; i < n; ++i) {
      t[i].value.apply(that, args);
    }
  }
};

function get(type, name) {
  for (var i = 0, n = type.length, c; i < n; ++i) {
    if ((c = type[i]).name === name) {
      return c.value;
    }
  }
}

function set(type, name, callback) {
  for (var i = 0, n = type.length; i < n; ++i) {
    if (type[i].name === name) {
      type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1));
      break;
    }
  }
  if (callback != null) type.push({ name: name, value: callback });
  return type;
}

exports.default = dispatch;
module.exports = exports["default"];

/***/ })
/******/ ]);
});