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pause.js
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58 lines (50 loc) · 1.7 KB
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// @flow
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
import { getCurrentThread } from "../reducers/pause";
import { getSelectedLocation } from "../reducers/sources";
// eslint-disable-next-line
import { getSelectedLocation as _getSelectedLocation } from "../utils/selected-location";
import { createSelector } from "reselect";
import type { Frame, SourceLocation, ThreadId } from "../types";
import type { Selector, State } from "../reducers/types";
export const getSelectedFrames: Selector<{ [string]: ?Frame }> = createSelector(
state => state.pause.threads,
threadPauseState => {
const selectedFrames = {};
for (const thread in threadPauseState) {
const pausedThread = threadPauseState[thread];
const { selectedFrameId, frames } = pausedThread;
if (frames) {
selectedFrames[thread] = frames.find(
frame => frame.id == selectedFrameId
);
}
}
return selectedFrames;
}
);
export function getSelectedFrame(state: State, thread: ThreadId) {
const selectedFrames = getSelectedFrames(state);
return selectedFrames[thread];
}
export const getVisibleSelectedFrame: Selector<?{
id: string,
location: SourceLocation
}> = createSelector(
getSelectedLocation,
getSelectedFrames,
getCurrentThread,
(selectedLocation, selectedFrames, thread) => {
const selectedFrame = selectedFrames[thread];
if (!selectedFrame) {
return null;
}
const { id } = selectedFrame;
return {
id,
location: _getSelectedLocation(selectedFrame, selectedLocation)
};
}
);