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setInScopeLines.js
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59 lines (47 loc) · 1.63 KB
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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
import {
getOutOfScopeLocations,
getSelectedSourceWithContent
} from "../../selectors";
import { getSourceLineCount } from "../../utils/source";
import { range, flatMap, uniq, without } from "lodash";
import { isFulfilled } from "../../utils/async-value";
import type { AstLocation } from "../../workers/parser";
import type { ThunkArgs } from "../types";
import type { Context } from "../../types";
function getOutOfScopeLines(outOfScopeLocations: ?(AstLocation[])) {
if (!outOfScopeLocations) {
return null;
}
return uniq(
flatMap(outOfScopeLocations, location =>
range(location.start.line, location.end.line)
)
);
}
export function setInScopeLines(cx: Context) {
return ({ dispatch, getState }: ThunkArgs) => {
const sourceWithContent = getSelectedSourceWithContent(getState());
const outOfScopeLocations = getOutOfScopeLocations(getState());
if (!sourceWithContent || !sourceWithContent.content) {
return;
}
const content = sourceWithContent.content;
const linesOutOfScope = getOutOfScopeLines(outOfScopeLocations);
const sourceNumLines = isFulfilled(content)
? getSourceLineCount(content.value)
: 0;
const sourceLines = range(1, sourceNumLines + 1);
const inScopeLines = !linesOutOfScope
? sourceLines
: without(sourceLines, ...linesOutOfScope);
dispatch({
type: "IN_SCOPE_LINES",
cx,
lines: inScopeLines
});
};
}