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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommentDirectives = void 0;
const COMPUTED = Symbol();
const ALL = Symbol();
class CommentDirectives {
constructor(options) {
this.lineDisableDirectives = new Map();
this.blockDirectives = new Map();
this.ruleId = options.ruleId;
this.reportUnusedDisableDirectives = Boolean(options?.reportUnusedDisableDirectives);
}
filterMessages(messages) {
const { lineDisableDirectives, blockDirectives, reportUnusedDisableDirectives } = this;
const usedDirectives = new Set();
if (reportUnusedDisableDirectives) {
const allBlocks = [];
for (const bs of blockDirectives.values()) {
for (const b of bs) {
allBlocks.push(b);
}
}
const blockEnableDirectives = new Set();
for (const block of allBlocks.sort((a, b) => comparePos(b.loc, a.loc))) {
if (block.kind === 'enable') {
if (block.targetRule === ALL) {
blockEnableDirectives.clear();
}
blockEnableDirectives.add(block);
}
else if (block.kind === 'disable') {
if (block.targetRule === ALL) {
for (const b of blockEnableDirectives) {
usedDirectives.add(b);
}
blockEnableDirectives.clear();
}
else {
for (const b of [...blockEnableDirectives]) {
if (block.targetRule === b.targetRule || b.targetRule === ALL) {
usedDirectives.add(b);
blockEnableDirectives.delete(b);
}
}
}
}
}
}
let filteredMessages = messages.filter(isEnable);
if (reportUnusedDisableDirectives) {
const usedDirectiveKeys = new Set([...usedDirectives].map((d) => locToKey(d.define.loc)));
filteredMessages = filteredMessages.filter((m) => {
if (m.ruleId !== this.ruleId) {
return true;
}
if (usedDirectiveKeys.has(messageToKey(m))) {
return false;
}
return true;
});
}
return filteredMessages;
/** Checks wether given rule is enable */
function isEnable(message) {
if (!message.ruleId) {
// Maybe fatal error
return true;
}
for (const disableLines of getFromRule(lineDisableDirectives, message.ruleId)) {
for (const disableLine of disableLines.get(message.line) ?? []) {
if (!disableLine.rule(message.ruleId)) {
continue;
}
usedDirectives.add(disableLine);
return false;
}
}
const blocks = getFromRule(blockDirectives, message.ruleId)
.reduce((p, c) => p.concat(c), [])
.sort((a, b) => comparePos(b.loc, a.loc));
for (const block of blocks) {
if (comparePos(message, block.loc) < 0) {
continue;
}
if (!block.rule(message.ruleId)) {
continue;
}
if (block.kind === 'enable') {
return true;
}
// block.kind === "disable"
usedDirectives.add(block);
return false;
}
return true;
}
/** Compare locations */
function comparePos(a, b) {
return a.line - b.line || a.column - b.column;
}
}
disableLine(line, rule, define) {
const key = typeof rule === 'string' ? rule : COMPUTED;
let disableLines = this.lineDisableDirectives.get(key);
if (!disableLines) {
disableLines = new Map();
this.lineDisableDirectives.set(key, disableLines);
}
let disableLine = disableLines.get(line);
if (!disableLine) {
disableLine = [];
disableLines.set(line, disableLine);
}
const disable = {
line,
rule: typeof rule === 'string' ? (id) => id === rule : rule,
define
};
disableLine.push(disable);
}
disableBlock(pos, rule, define) {
this.block(pos, rule, define, 'disable');
}
enableBlock(pos, rule, define) {
this.block(pos, rule, define, 'enable');
}
block(pos, rule, define, kind) {
const key = typeof rule === 'string' ? rule : COMPUTED;
let blocks = this.blockDirectives.get(key);
if (!blocks) {
blocks = [];
this.blockDirectives.set(key, blocks);
}
const disable = {
loc: pos,
rule: typeof rule === 'string' ? (id) => id === rule : rule,
kind,
targetRule: typeof rule === 'string' ? rule : ALL,
define
};
blocks.push(disable);
}
}
exports.CommentDirectives = CommentDirectives;
/** Get the list of directives from given rule */
function getFromRule(map, ruleId) {
return [map.get(ruleId), map.get(COMPUTED)].filter((a) => Boolean(a));
}
/**
* Gets the key of location
*/
function locToKey(location) {
return `line:${location.line},column${location.column}`;
}
/**
* Gets the key of message location
*/
function messageToKey(message) {
return `line:${message.line},column${
// -1 because +1 by ESLint's `report-translator`.
message.column - 1}`;
}
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