2dada8f365
In a following patch, all DevTools moz.build files will use DevToolsModules to install JS modules at a path that corresponds directly to their source tree location. Here we rewrite all require and import calls to match the new location that these files are installed to.
34 lines
1.3 KiB
JavaScript
34 lines
1.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { combineReducers } = require("devtools/client/shared/vendor/redux");
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/**
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* Function that takes a hash of reducers, like `combineReducers`,
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* and an `emit` function and returns a function to be used as a reducer
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* for a Redux store. This allows all reducers defined here to receive
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* a third argument, the `emit` function, for event-based subscriptions
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* from within reducers.
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*
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* @param {Object} reducers
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* @param {Function} emit
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* @return {Function}
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*/
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function combineEmittingReducers (reducers, emit) {
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// Wrap each reducer with a wrapper function that calls
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// the reducer with a third argument, an `emit` function.
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// Use this rather than a new custom top level reducer that would ultimately
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// have to replicate redux's `combineReducers` so we only pass in correct state,
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// the error checking, and other edge cases.
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function wrapReduce (newReducers, key) {
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newReducers[key] = (state, action) => reducers[key](state, action, emit);
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return newReducers;
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}
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return combineReducers(Object.keys(reducers).reduce(wrapReduce, Object.create(null)));
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}
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exports.combineEmittingReducers = combineEmittingReducers;
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