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/* 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/>. */
// @flow
/**
* Redux actions for the sources state
* @module actions/sources
*/
import { PROMISE } from "./utils/middleware/promise";
import assert from "../utils/assert";
import { remapBreakpoints } from "./breakpoints";
import { setEmptyLines, setOutOfScopeLocations, setSymbols } from "./ast";
import { syncBreakpoint } from "./breakpoints";
import { searchSource } from "./project-text-search";
import { closeActiveSearch } from "./ui";
import { getPrettySourceURL, isLoaded } from "../utils/source";
import { createLocation } from "../utils/location";
import { createPrettySource } from "./sources/createPrettySource";
import { loadSourceText } from "./sources/loadSourceText";
import { prefs } from "../utils/prefs";
import { removeDocument } from "../utils/editor";
import { isThirdParty, isMinified, shouldPrettyPrint } from "../utils/source";
import { getGeneratedLocation } from "../utils/source-maps";
import {
getSource,
getSources,
getSourceByURL,
getPendingSelectedLocation,
getPendingBreakpointsForSource,
getSourceTabs,
getNewSelectedSourceId,
getSelectedLocation,
removeSourcesFromTabList,
removeSourceFromTabList,
getTextSearchQuery,
getActiveSearch
} from "../selectors";
import type { Source, Location } from "../types";
import type { ThunkArgs } from "./types";
import type { State } from "../reducers/types";
// If a request has been made to show this source, go ahead and
// select it.
async function checkSelectedSource(state: State, dispatch, source) {
const pendingLocation = getPendingSelectedLocation(state);
if (pendingLocation && !!source.url && pendingLocation.url === source.url) {
await dispatch(selectLocation({ ...pendingLocation, sourceId: source.id }));
}
}
async function checkPendingBreakpoints(state, dispatch, sourceId) {
// source may have been modified by selectLocation
const source = getSource(state, sourceId).toJS();
const pendingBreakpoints = getPendingBreakpointsForSource(state, source.url);
if (!pendingBreakpoints.size) {
return;
}
// load the source text if there is a pending breakpoint for it
await dispatch(loadSourceText(source));
const pendingBreakpointsArray = pendingBreakpoints.valueSeq().toJS();
for (const pendingBreakpoint of pendingBreakpointsArray) {
await dispatch(syncBreakpoint(sourceId, pendingBreakpoint));
}
}
/**
* Handler for the debugger client's unsolicited newSource notification.
* @memberof actions/sources
* @static
*/
export function newSource(source: Source) {
return async ({ dispatch, getState }: ThunkArgs) => {
const _source = getSource(getState(), source.id);
if (_source) {
return;
}
dispatch({ type: "ADD_SOURCE", source });
if (prefs.clientSourceMapsEnabled) {
await dispatch(loadSourceMap(source));
}
await checkSelectedSource(getState(), dispatch, source);
await checkPendingBreakpoints(getState(), dispatch, source.id);
};
}
export function newSources(sources: Source[]) {
return async ({ dispatch, getState }: ThunkArgs) => {
const filteredSources = sources.filter(
source => !getSource(getState(), source.id)
);
if (filteredSources.length == 0) {
return;
}
dispatch({
type: "ADD_SOURCES",
sources: filteredSources
});
for (const source of filteredSources) {
await dispatch(loadSourceMap(source));
await checkSelectedSource(getState(), dispatch, source);
await checkPendingBreakpoints(getState(), dispatch, source.id);
}
};
}
/**
* @memberof actions/sources
* @static
*/
function loadSourceMap(generatedSource) {
return async function({ dispatch, getState, sourceMaps }: ThunkArgs) {
const urls = await sourceMaps.getOriginalURLs(generatedSource);
if (!urls) {
// If this source doesn't have a sourcemap, do nothing.
return;
}
const originalSources = urls.map(
originalUrl =>
({
url: originalUrl,
id: sourceMaps.generatedToOriginalId(generatedSource.id, originalUrl),
isPrettyPrinted: false,
isWasm: false,
isBlackBoxed: false,
loadedState: "unloaded"
}: Source)
);
// TODO: check if this line is really needed, it introduces
// a lot of lag to the application.
await dispatch(loadSourceText(generatedSource));
dispatch(newSources(originalSources));
};
}
declare type SelectSourceOptions = {
tabIndex?: number,
location?: { line: number, column?: ?number }
};
/**
* Deterministically select a source that has a given URL. This will
* work regardless of the connection status or if the source exists
* yet. This exists mostly for external things to interact with the
* debugger.
*
* @memberof actions/sources
* @static
*/
export function selectSourceURL(
url: string,
options: SelectSourceOptions = {}
) {
return async ({ dispatch, getState }: ThunkArgs) => {
const source = getSourceByURL(getState(), url);
if (source) {
const sourceId = source.get("id");
const location = createLocation({ ...options.location, sourceId });
// flow is unable to comprehend that if an options.location object
// exists, that we have a valid Location object, and if it doesnt,
// we have a valid { sourceId: string } object. So we are overriding
// the error
// $FlowIgnore
await dispatch(selectLocation(location, options.tabIndex));
} else {
dispatch({
type: "SELECT_SOURCE_URL",
url: url,
tabIndex: options.tabIndex,
location: options.location
});
}
};
}
/**
* @memberof actions/sources
* @static
*/
export function selectSource(sourceId: string, tabIndex: string = "") {
return ({ dispatch }: ThunkArgs) => {
const location = createLocation({ sourceId });
return dispatch(selectLocation(location, tabIndex));
};
}
/**
* @memberof actions/sources
* @static
*/
export function selectLocation(location: Location, tabIndex: string = "") {
return ({ dispatch, getState, client }: ThunkArgs) => {
if (!client) {
// No connection, do nothing. This happens when the debugger is
// shut down too fast and it tries to display a default source.
return;
}
const source = getSource(getState(), location.sourceId);
if (!source) {
// If there is no source we deselect the current selected source
return dispatch({ type: "CLEAR_SELECTED_SOURCE" });
}
const activeSearch = getActiveSearch(getState());
if (activeSearch !== "file") {
dispatch(closeActiveSearch());
}
dispatch(addTab(source.toJS(), 0));
return dispatch({
type: "SELECT_SOURCE",
source: source.toJS(),
tabIndex,
location,
[PROMISE]: (async () => {
await dispatch(loadSourceText(source.toJS()));
await dispatch(setOutOfScopeLocations());
const src = getSource(getState(), location.sourceId).toJS();
const { autoPrettyPrint } = prefs;
if (
autoPrettyPrint &&
shouldPrettyPrint(src) &&
isMinified(src.id, src.text)
) {
await dispatch(togglePrettyPrint(src.id));
}
})()
});
};
}
/**
* @memberof actions/sources
* @static
*/
export function jumpToMappedLocation(sourceLocation: any) {
return async function({ dispatch, getState, client, sourceMaps }: ThunkArgs) {
if (!client) {
return;
}
const source = getSource(getState(), sourceLocation.sourceId);
let pairedLocation;
if (sourceMaps.isOriginalId(sourceLocation.sourceId)) {
pairedLocation = await getGeneratedLocation(
getState(),
source.toJS(),
sourceLocation,
sourceMaps
);
} else {
pairedLocation = await sourceMaps.getOriginalLocation(
sourceLocation,
source.toJS()
);
}
return dispatch(selectLocation({ ...pairedLocation }));
};
}
export function addTab(source: Source, tabIndex: number) {
return {
type: "ADD_TAB",
source,
tabIndex
};
}
export function moveTab(url: string, tabIndex: number) {
return {
type: "MOVE_TAB",
url,
tabIndex
};
}
/**
* @memberof actions/sources
* @static
*/
export function closeTab(url: string) {
return ({ dispatch, getState, client }: ThunkArgs) => {
removeDocument(url);
const tabs = removeSourceFromTabList(getSourceTabs(getState()), url);
const sourceId = getNewSelectedSourceId(getState(), tabs);
dispatch({ type: "CLOSE_TAB", url, tabs });
dispatch(selectSource(sourceId));
};
}
/**
* @memberof actions/sources
* @static
*/
export function closeTabs(urls: string[]) {
return ({ dispatch, getState, client }: ThunkArgs) => {
urls.forEach(url => {
const source = getSourceByURL(getState(), url);
if (source) {
removeDocument(source.get("id"));
}
});
const tabs = removeSourcesFromTabList(getSourceTabs(getState()), urls);
const sourceId = getNewSelectedSourceId(getState(), tabs);
dispatch({ type: "CLOSE_TABS", urls, tabs });
dispatch(selectSource(sourceId));
};
}
/**
* Toggle the pretty printing of a source's text. All subsequent calls to
* |getText| will return the pretty-toggled text. Nothing will happen for
* non-javascript files.
*
* @memberof actions/sources
* @static
* @param string id The source form from the RDP.
* @returns Promise
* A promise that resolves to [aSource, prettyText] or rejects to
* [aSource, error].
*/
export function togglePrettyPrint(sourceId: string) {
return async ({ dispatch, getState, client, sourceMaps }: ThunkArgs) => {
const source = getSource(getState(), sourceId).toJS();
if (!source) return {};
if (!isLoaded(source)) {
await dispatch(loadSourceText(source));
}
assert(
sourceMaps.isGeneratedId(sourceId),
"Pretty-printing only allowed on generated sources"
);
const selectedLocation = getSelectedLocation(getState());
const url = getPrettySourceURL(source.url);
const prettySource = getSourceByURL(getState(), url);
const options = {};
if (selectedLocation) {
options.location = await sourceMaps.getOriginalLocation(selectedLocation);
}
if (prettySource) {
const _sourceId = prettySource.get("id");
return dispatch(
selectLocation({ ...options.location, sourceId: _sourceId })
);
}
const newPrettySource = await dispatch(createPrettySource(sourceId));
await dispatch(remapBreakpoints(sourceId));
await dispatch(setEmptyLines(newPrettySource.id));
await dispatch(setSymbols(newPrettySource.id));
return dispatch(
selectLocation({ ...options.location, sourceId: newPrettySource.id })
);
};
}
export function toggleBlackBox(source: Source) {
return async ({ dispatch, getState, client, sourceMaps }: ThunkArgs) => {
const { isBlackBoxed, id } = source;
return dispatch({
type: "BLACKBOX",
source,
[PROMISE]: client.blackBox(id, isBlackBoxed)
});
};
}
/**
Load the text for all the available sources
* @memberof actions/sources
* @static
*/
export function loadAllSources() {
return async ({ dispatch, getState }: ThunkArgs) => {
const sources = getSources(getState());
const query = getTextSearchQuery(getState());
for (const [, src] of sources) {
const source = src.toJS();
if (isThirdParty(source)) {
continue;
}
await dispatch(loadSourceText(source));
// If there is a current search query we search
// each of the source texts as they get loaded
if (query) {
await dispatch(searchSource(source.id, query));
}
}
};
}