overleaf/services/web/frontend/js/ide/human-readable-logs/HumanReadableLogs.js

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import LatexLogParser from '../log-parser/latex-log-parser'
import ruleset from './HumanReadableLogsRules'
export default {
parse(rawLog, options) {
let parsedLogEntries
if (typeof rawLog === 'string') {
const latexLogParser = new LatexLogParser(rawLog, options)
parsedLogEntries = latexLogParser.parse()
} else {
parsedLogEntries = rawLog
}
const _getRule = function (logMessage) {
for (const rule of ruleset) {
if (rule.regexToMatch.test(logMessage)) {
return rule
}
}
}
const seenErrorTypes = {} // keep track of types of errors seen
for (const entry of parsedLogEntries.all) {
const ruleDetails = _getRule(entry.message)
if (ruleDetails != null) {
let type
if (ruleDetails.ruleId != null) {
entry.ruleId = ruleDetails.ruleId
}
if (ruleDetails.newMessage != null) {
entry.message = entry.message.replace(
ruleDetails.regexToMatch,
ruleDetails.newMessage
)
}
// suppress any entries that are known to cascade from previous error types
if (ruleDetails.cascadesFrom != null) {
for (type of ruleDetails.cascadesFrom) {
if (seenErrorTypes[type]) {
entry.suppressed = true
}
}
}
// record the types of errors seen
if (ruleDetails.types != null) {
for (type of ruleDetails.types) {
seenErrorTypes[type] = true
}
}
}
}
// filter out the suppressed errors (from the array entries in parsedLogEntries)
for (const key in parsedLogEntries) {
const errors = parsedLogEntries[key]
if (typeof errors === 'object' && errors.length > 0) {
parsedLogEntries[key] = Array.from(errors).filter(
err => !err.suppressed
)
}
}
return parsedLogEntries
},
}