forked from firefox-devtools/debugger
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathfunction.js
More file actions
37 lines (32 loc) · 1.08 KB
/
function.js
File metadata and controls
37 lines (32 loc) · 1.08 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* 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 { findClosestFunction } from "./ast";
import { correctIndentation } from "./indentation";
import type { Source } from "../types";
import type { Symbols } from "../reducers/ast";
export function findFunctionText(
line: number,
source: Source,
symbols: ?Symbols
): ?string {
const func = findClosestFunction(symbols, {
sourceId: source.id,
line,
column: Infinity
});
if (!func || !source.text) {
return null;
}
const {
location: { start, end }
} = func;
const lines = source.text.split("\n");
const firstLine = lines[start.line - 1].slice(start.column);
const lastLine = lines[end.line - 1].slice(0, end.column);
const middle = lines.slice(start.line, end.line - 1);
const functionText = [firstLine, ...middle, lastLine].join("\n");
const indentedFunctionText = correctIndentation(functionText);
return indentedFunctionText;
}