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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/>. */
import { createSelector } from "reselect";
import {
getViewport,
getSelectedSource,
getSelectedSourceTextContent,
getBreakpointPositionsForSource,
} from "./index";
import { getVisibleBreakpoints } from "./visibleBreakpoints";
import { getSelectedLocation } from "../utils/selected-location";
import { sortSelectedLocations } from "../utils/location";
import { getLineText } from "../utils/source";
function contains(location, range) {
return (
location.line >= range.start.line &&
location.line <= range.end.line &&
(!location.column ||
(location.column >= range.start.column &&
location.column <= range.end.column))
);
}
function groupBreakpoints(breakpoints, selectedSource) {
const breakpointsMap = {};
if (!breakpoints) {
return breakpointsMap;
}
for (const breakpoint of breakpoints) {
if (breakpoint.options.hidden) {
continue;
}
const location = getSelectedLocation(breakpoint, selectedSource);
const { line, column } = location;
if (!breakpointsMap[line]) {
breakpointsMap[line] = {};
}
if (!breakpointsMap[line][column]) {
breakpointsMap[line][column] = [];
}
breakpointsMap[line][column].push(breakpoint);
}
return breakpointsMap;
}
function findBreakpoint(location, breakpointMap) {
const { line, column } = location;
const breakpoints = breakpointMap[line]?.[column];
if (!breakpoints) {
return null;
}
return breakpoints[0];
}
function filterByLineCount(positions, selectedSource) {
const lineCount = {};
for (const breakpoint of positions) {
const { line } = getSelectedLocation(breakpoint, selectedSource);
if (!lineCount[line]) {
lineCount[line] = 0;
}
lineCount[line] = lineCount[line] + 1;
}
return positions.filter(
breakpoint =>
lineCount[getSelectedLocation(breakpoint, selectedSource).line] > 1
);
}
function filterVisible(positions, selectedSource, viewport) {
return positions.filter(columnBreakpoint => {
const location = getSelectedLocation(columnBreakpoint, selectedSource);
return viewport && contains(location, viewport);
});
}
function filterByBreakpoints(positions, selectedSource, breakpointMap) {
return positions.filter(position => {
const location = getSelectedLocation(position, selectedSource);
return breakpointMap[location.line];
});
}
// Filters out breakpoints to the right of the line. (bug 1552039)
function filterInLine(positions, selectedSource, selectedContent) {
return positions.filter(position => {
const location = getSelectedLocation(position, selectedSource);
const lineText = getLineText(
selectedSource.id,
selectedContent,
location.line
);
return lineText.length >= (location.column || 0);
});
}
function formatPositions(positions, selectedSource, breakpointMap) {
return positions.map(position => {
const location = getSelectedLocation(position, selectedSource);
return {
location,
breakpoint: findBreakpoint(location, breakpointMap),
};
});
}
function convertToList(breakpointPositions) {
return [].concat(...Object.values(breakpointPositions));
}
export function getColumnBreakpoints(
positions,
breakpoints,
viewport,
selectedSource,
selectedSourceTextContent
) {
if (!positions || !selectedSource) {
return [];
}
// We only want to show a column breakpoint if several conditions are matched
// - it is the first breakpoint to appear at an the original location
// - the position is in the current viewport
// - there is atleast one other breakpoint on that line
// - there is a breakpoint on that line
const breakpointMap = groupBreakpoints(breakpoints, selectedSource);
positions = filterByLineCount(positions, selectedSource);
positions = filterVisible(positions, selectedSource, viewport);
positions = filterInLine(
positions,
selectedSource,
selectedSourceTextContent
);
positions = filterByBreakpoints(positions, selectedSource, breakpointMap);
return formatPositions(positions, selectedSource, breakpointMap);
}
const getVisibleBreakpointPositions = createSelector(
state => {
const source = getSelectedSource(state);
if (!source) {
return null;
}
return getBreakpointPositionsForSource(state, source.id);
},
sourcePositions => {
return convertToList(sourcePositions || []);
}
);
export const visibleColumnBreakpoints = createSelector(
getVisibleBreakpointPositions,
getVisibleBreakpoints,
getViewport,
getSelectedSource,
getSelectedSourceTextContent,
getColumnBreakpoints
);
export function getFirstBreakpointPosition(state, location) {
const positions = getBreakpointPositionsForSource(state, location.sourceId);
if (!positions) {
return null;
}
return sortSelectedLocations(convertToList(positions), location.source).find(
position =>
getSelectedLocation(position, location.source).line == location.line
);
}
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