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-rw-r--r--node_modules/react-dom/lib/EventPropagators.js133
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diff --git a/node_modules/react-dom/lib/EventPropagators.js b/node_modules/react-dom/lib/EventPropagators.js
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-/**
- * Copyright 2013-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- *
- */
-
-'use strict';
-
-var EventPluginHub = require('./EventPluginHub');
-var EventPluginUtils = require('./EventPluginUtils');
-
-var accumulateInto = require('./accumulateInto');
-var forEachAccumulated = require('./forEachAccumulated');
-var warning = require('fbjs/lib/warning');
-
-var getListener = EventPluginHub.getListener;
-
-/**
- * Some event types have a notion of different registration names for different
- * "phases" of propagation. This finds listeners by a given phase.
- */
-function listenerAtPhase(inst, event, propagationPhase) {
- var registrationName = event.dispatchConfig.phasedRegistrationNames[propagationPhase];
- return getListener(inst, registrationName);
-}
-
-/**
- * Tags a `SyntheticEvent` with dispatched listeners. Creating this function
- * here, allows us to not have to bind or create functions for each event.
- * Mutating the event's members allows us to not have to create a wrapping
- * "dispatch" object that pairs the event with the listener.
- */
-function accumulateDirectionalDispatches(inst, phase, event) {
- if (process.env.NODE_ENV !== 'production') {
- process.env.NODE_ENV !== 'production' ? warning(inst, 'Dispatching inst must not be null') : void 0;
- }
- var listener = listenerAtPhase(inst, event, phase);
- if (listener) {
- event._dispatchListeners = accumulateInto(event._dispatchListeners, listener);
- event._dispatchInstances = accumulateInto(event._dispatchInstances, inst);
- }
-}
-
-/**
- * Collect dispatches (must be entirely collected before dispatching - see unit
- * tests). Lazily allocate the array to conserve memory. We must loop through
- * each event and perform the traversal for each one. We cannot perform a
- * single traversal for the entire collection of events because each event may
- * have a different target.
- */
-function accumulateTwoPhaseDispatchesSingle(event) {
- if (event && event.dispatchConfig.phasedRegistrationNames) {
- EventPluginUtils.traverseTwoPhase(event._targetInst, accumulateDirectionalDispatches, event);
- }
-}
-
-/**
- * Same as `accumulateTwoPhaseDispatchesSingle`, but skips over the targetID.
- */
-function accumulateTwoPhaseDispatchesSingleSkipTarget(event) {
- if (event && event.dispatchConfig.phasedRegistrationNames) {
- var targetInst = event._targetInst;
- var parentInst = targetInst ? EventPluginUtils.getParentInstance(targetInst) : null;
- EventPluginUtils.traverseTwoPhase(parentInst, accumulateDirectionalDispatches, event);
- }
-}
-
-/**
- * Accumulates without regard to direction, does not look for phased
- * registration names. Same as `accumulateDirectDispatchesSingle` but without
- * requiring that the `dispatchMarker` be the same as the dispatched ID.
- */
-function accumulateDispatches(inst, ignoredDirection, event) {
- if (event && event.dispatchConfig.registrationName) {
- var registrationName = event.dispatchConfig.registrationName;
- var listener = getListener(inst, registrationName);
- if (listener) {
- event._dispatchListeners = accumulateInto(event._dispatchListeners, listener);
- event._dispatchInstances = accumulateInto(event._dispatchInstances, inst);
- }
- }
-}
-
-/**
- * Accumulates dispatches on an `SyntheticEvent`, but only for the
- * `dispatchMarker`.
- * @param {SyntheticEvent} event
- */
-function accumulateDirectDispatchesSingle(event) {
- if (event && event.dispatchConfig.registrationName) {
- accumulateDispatches(event._targetInst, null, event);
- }
-}
-
-function accumulateTwoPhaseDispatches(events) {
- forEachAccumulated(events, accumulateTwoPhaseDispatchesSingle);
-}
-
-function accumulateTwoPhaseDispatchesSkipTarget(events) {
- forEachAccumulated(events, accumulateTwoPhaseDispatchesSingleSkipTarget);
-}
-
-function accumulateEnterLeaveDispatches(leave, enter, from, to) {
- EventPluginUtils.traverseEnterLeave(from, to, accumulateDispatches, leave, enter);
-}
-
-function accumulateDirectDispatches(events) {
- forEachAccumulated(events, accumulateDirectDispatchesSingle);
-}
-
-/**
- * A small set of propagation patterns, each of which will accept a small amount
- * of information, and generate a set of "dispatch ready event objects" - which
- * are sets of events that have already been annotated with a set of dispatched
- * listener functions/ids. The API is designed this way to discourage these
- * propagation strategies from actually executing the dispatches, since we
- * always want to collect the entire set of dispatches before executing event a
- * single one.
- *
- * @constructor EventPropagators
- */
-var EventPropagators = {
- accumulateTwoPhaseDispatches: accumulateTwoPhaseDispatches,
- accumulateTwoPhaseDispatchesSkipTarget: accumulateTwoPhaseDispatchesSkipTarget,
- accumulateDirectDispatches: accumulateDirectDispatches,
- accumulateEnterLeaveDispatches: accumulateEnterLeaveDispatches
-};
-
-module.exports = EventPropagators; \ No newline at end of file