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TripSit_Suite/node_modules/stylelint/lib/needlessDisables.js
2020-11-01 22:46:04 +00:00

109 lines
2.9 KiB
JavaScript

'use strict';
const _ = require('lodash');
/** @typedef {import('stylelint').RangeType} RangeType */
/** @typedef {import('stylelint').DisableReportRange} DisableReportRange */
/** @typedef {import('stylelint').StylelintDisableOptionsReport} StylelintDisableOptionsReport */
/**
* @param {import('stylelint').StylelintResult[]} results
* @returns {StylelintDisableOptionsReport}
*/
module.exports = function (results) {
/** @type {StylelintDisableOptionsReport} */
const report = [];
results.forEach((result) => {
// File with `CssSyntaxError` have not `_postcssResult`
if (!result._postcssResult) {
return;
}
/** @type {{ranges: DisableReportRange[], source: string}} */
const unused = { source: result.source || '', ranges: [] };
/** @type {{[ruleName: string]: Array<RangeType>}} */
const rangeData = _.cloneDeep(result._postcssResult.stylelint.disabledRanges);
if (!rangeData) {
return;
}
const disabledWarnings = result._postcssResult.stylelint.disabledWarnings || [];
disabledWarnings.forEach((warning) => {
const rule = warning.rule;
const ruleRanges = rangeData[rule];
if (ruleRanges) {
// Back to front so we get the *last* range that applies to the warning
for (const range of ruleRanges.reverse()) {
if (isWarningInRange(warning, range)) {
range.used = true;
return;
}
}
}
for (const range of rangeData.all.reverse()) {
if (isWarningInRange(warning, range)) {
range.used = true;
return;
}
}
});
Object.keys(rangeData).forEach((rule) => {
rangeData[rule].forEach((range) => {
// Is an equivalent range already marked as unused?
const alreadyMarkedUnused = unused.ranges.find((unusedRange) => {
return unusedRange.start === range.start && unusedRange.end === range.end;
});
// If this range is unused and no equivalent is marked,
// mark this range as unused
if (!range.used && !alreadyMarkedUnused) {
unused.ranges.push({
rule,
start: range.start,
end: range.end,
unusedRule: rule,
});
}
// If this range is used but an equivalent has been marked as unused,
// remove that equivalent. This can happen because of the duplication
// of ranges in rule-specific range sets and the "all" range set
if (range.used && alreadyMarkedUnused) {
_.remove(unused.ranges, alreadyMarkedUnused);
}
});
});
unused.ranges = _.sortBy(unused.ranges, ['start', 'end']);
report.push(unused);
});
return report;
};
/**
* @param {import('stylelint').DisabledWarning} warning
* @param {RangeType} range
* @return {boolean}
*/
function isWarningInRange(warning, range) {
const line = warning.line;
// Need to check if range.end exist, because line number type cannot be compared to undefined
return (
range.start <= line &&
((range.end !== undefined && range.end >= line) || range.end === undefined)
);
}