/* 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 { isFulfilled } from
"./async-value";
import { findClosestFunction } from
"./ast";
import { correctIndentation } from
"./indentation";
export
function findFunctionText(line, source, sourceTextContent, symbols) {
const func = findClosestFunction(symbols, {
sourceId: source.id,
line,
column: Infinity,
});
if (
source.isWasm ||
!func ||
!sourceTextContent ||
!isFulfilled(sourceTextContent) ||
sourceTextContent.value.type !==
"text"
) {
return null;
}
const {
location: { start, end },
} = func;
const lines = sourceTextContent.value.value.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;
}