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feat: report only lines that exceed the limit in max-lines-per-function #15140

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merged 13 commits into from Dec 2, 2021
Merged

feat: report only lines that exceed the limit in max-lines-per-function #15140

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bb1f228
Update: reports exceeded lines (fixes #15098)
The-x-Theorist Oct 7, 2021
0d3f95b
Update lib/rules/max-lines-per-function.js
The-x-Theorist Oct 22, 2021
d195b10
Update: added loc property to context.report()
The-x-Theorist Oct 29, 2021
06ec633
Update lib/rules/max-lines-per-function.js
The-x-Theorist Nov 2, 2021
7dd905d
Update: loc property improved
The-x-Theorist Nov 2, 2021
8858adc
higlights only the exceeded lines
The-x-Theorist Nov 8, 2021
dfa0d3b
highlight only exceeded line with skipSomeLines too
The-x-Theorist Nov 9, 2021
dbf9de4
skipComments working fine
The-x-Theorist Nov 12, 2021
2365c30
Update lib/rules/max-lines-per-function.js
The-x-Theorist Nov 26, 2021
67eb6ef
Update lib/rules/max-lines-per-function.js
The-x-Theorist Nov 26, 2021
81d27a4
Update lib/rules/max-lines-per-function.js
The-x-Theorist Nov 26, 2021
a05ab56
Update lib/rules/max-lines-per-function.js
The-x-Theorist Nov 26, 2021
ce9cf36
Update lib/rules/max-lines-per-function.js
The-x-Theorist Nov 26, 2021
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32 changes: 28 additions & 4 deletions lib/rules/max-lines-per-function.js
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Expand Up @@ -79,13 +79,16 @@ module.exports = {
OPTIONS_OR_INTEGER_SCHEMA
],
messages: {
exceed: "{{name}} has too many lines ({{lineCount}}). Maximum allowed is {{maxLines}}."
exceed: "{{name}} has exceeded the limit of lines allowed by ({{linesExceed}}). Maximum allowed is {{maxLines}}."
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}
},

create(context) {
const sourceCode = context.getSourceCode();
const lines = sourceCode.lines;
const lines = sourceCode.lines.map((text, i) => ({
lineNumber: i + 1,
text
}));
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const option = context.options[0];
let maxLines = 50;
Expand Down Expand Up @@ -169,18 +172,26 @@ module.exports = {
return;
}
let lineCount = 0;
let comments = 0;
let blankLines = 0;

for (let i = node.loc.start.line - 1; i < node.loc.end.line; ++i) {
const line = lines[i];
const line = lines[i].text;
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if (skipComments) {
if (commentLineNumbers.has(i + 1) && isFullLineComment(line, i + 1, commentLineNumbers.get(i + 1))) {
if (lineCount <= maxLines) {
comments++;
}
continue;
}
}

if (skipBlankLines) {
if (line.match(/^\s*$/u)) {
if (lineCount <= maxLines) {
blankLines++;
}
continue;
}
}
Expand All @@ -190,11 +201,24 @@ module.exports = {

if (lineCount > maxLines) {
const name = upperCaseFirst(astUtils.getFunctionNameWithKind(funcNode));
const linesExceed = lineCount - maxLines;

const loc = {
start: {
line: (lines[node.loc.start.line].lineNumber - 1) + maxLines + (comments + blankLines),
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column: 0
},
end: {
line: node.loc.end.line,
column: node.loc.end.column
}
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};

context.report({
node,
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loc,
messageId: "exceed",
data: { name, lineCount, maxLines }
data: { name, linesExceed, maxLines }
});
}
}
Expand Down