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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/>. */
export function getIndentation(line) {
if (!line) {
return 0;
}
const lineMatch = line.match(/^\s*/);
if (!lineMatch) {
return 0;
}
return lineMatch[0].length;
}
function getMaxIndentation(lines) {
const firstLine = lines[0];
const secondLine = lines[1];
const lastLine = lines[lines.length - 1];
const indentations = [
getIndentation(firstLine),
getIndentation(secondLine),
getIndentation(lastLine),
];
return Math.max(...indentations);
}
export function correctIndentation(text) {
const lines = text.trim().split("\n");
const indentation = getMaxIndentation(lines);
const formattedLines = lines.map(_line =>
_line.replace(new RegExp(`^\\s{0,${indentation - 1}}`), "")
);
return formattedLines.join("\n");
}
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