mirror of https://github.com/thangisme/notes.git
90 lines
2.4 KiB
JavaScript
90 lines
2.4 KiB
JavaScript
"use strict"
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/* flow */
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const _ = require("lodash")
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module.exports = function (results/*: Array<stylelint$result>*/)/*: stylelint$needlessDisablesReport*/ {
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const report = []
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results.forEach(result => {
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// File with `CssSyntaxError` have not `_postcssResult`
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if (!result._postcssResult) {
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return
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}
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const unused = { source: result.source, ranges: [] }
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const rangeData = _.cloneDeep(result._postcssResult.stylelint.disabledRanges)
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if (!rangeData) {
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return
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}
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result.warnings.forEach(warning => {
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const rule = warning.rule
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const ruleRanges = rangeData[rule]
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if (ruleRanges) {
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// Back to front so we get the *last* range that applies to the warning
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for (const range of ruleRanges.reverse()) {
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if (isWarningInRange(warning, range)) {
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range.used = true
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return
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}
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}
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}
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for (const range of rangeData.all.reverse()) {
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if (isWarningInRange(warning, range)) {
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range.used = true
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return
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}
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}
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})
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Object.keys(rangeData).forEach(rule => {
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rangeData[rule].forEach(range => {
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// Is an equivalent range already marked as unused?
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const alreadyMarkedUnused = unused.ranges.find(unusedRange => {
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return unusedRange.start === range.start && unusedRange.end === range.end
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})
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// If this range is unused and no equivalent is marked,
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// mark this range as unused
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if (!range.used && !alreadyMarkedUnused) {
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unused.ranges.push(range)
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}
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// If this range is used but an equivalent has been marked as unused,
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// remove that equivalent. This can happen because of the duplication
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// of ranges in rule-specific range sets and the "all" range set
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if (range.used && alreadyMarkedUnused) {
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_.remove(unused.ranges, alreadyMarkedUnused)
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}
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})
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})
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unused.ranges = _.sortBy(unused.ranges, [ "start", "end" ])
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report.push(unused)
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})
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return report
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}
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function isWarningInRange(
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warning/*: {
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rule: string,
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line: number
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}*/,
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range/*: {
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rules?: Array<string>,
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start: number,
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end?: number,
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}*/
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)/*: boolean*/ {
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const rule = warning.rule,
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line = warning.line
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return range.start <= line && (range.end >= line || range.end === undefined) && (!range.rules || range.rules.indexOf(rule) !== -1)
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}
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