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stringclasses
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1 value
meta_information
dict
q17800
hasMetaDocsDescription
train
function hasMetaDocsDescription(metaPropertyNode) { const metaDocs = getPropertyFromObject("docs", metaPropertyNode.value); return metaDocs && getPropertyFromObject("description", metaDocs.value); }
javascript
{ "resource": "" }
q17801
hasMetaDocsCategory
train
function hasMetaDocsCategory(metaPropertyNode) { const metaDocs = getPropertyFromObject("docs", metaPropertyNode.value); return metaDocs && getPropertyFromObject("category", metaDocs.value); }
javascript
{ "resource": "" }
q17802
hasMetaDocsRecommended
train
function hasMetaDocsRecommended(metaPropertyNode) { const metaDocs = getPropertyFromObject("docs", metaPropertyNode.value); return metaDocs && getPropertyFromObject("recommended", metaDocs.value); }
javascript
{ "resource": "" }
q17803
getFirstNonSpacedToken
train
function getFirstNonSpacedToken(left, right, op) { const operator = sourceCode.getFirstTokenBetween(left, right, token => token.value === op); const prev = sourceCode.getTokenBefore(operator); const next = sourceCode.getTokenAfter(operator); if (!sourceCode.isSpaceBetweenTokens(prev, operator) || !sourceCode.isSpaceBetweenTokens(operator, next)) { return operator; } return null; }
javascript
{ "resource": "" }
q17804
checkBinary
train
function checkBinary(node) { const leftNode = (node.left.typeAnnotation) ? node.left.typeAnnotation : node.left; const rightNode = node.right; // search for = in AssignmentPattern nodes const operator = node.operator || "="; const nonSpacedNode = getFirstNonSpacedToken(leftNode, rightNode, operator); if (nonSpacedNode) { if (!(int32Hint && sourceCode.getText(node).endsWith("|0"))) { report(node, nonSpacedNode); } } }
javascript
{ "resource": "" }
q17805
checkConditional
train
function checkConditional(node) { const nonSpacedConsequesntNode = getFirstNonSpacedToken(node.test, node.consequent, "?"); const nonSpacedAlternateNode = getFirstNonSpacedToken(node.consequent, node.alternate, ":"); if (nonSpacedConsequesntNode) { report(node, nonSpacedConsequesntNode); } else if (nonSpacedAlternateNode) { report(node, nonSpacedAlternateNode); } }
javascript
{ "resource": "" }
q17806
checkVar
train
function checkVar(node) { const leftNode = (node.id.typeAnnotation) ? node.id.typeAnnotation : node.id; const rightNode = node.init; if (rightNode) { const nonSpacedNode = getFirstNonSpacedToken(leftNode, rightNode, "="); if (nonSpacedNode) { report(node, nonSpacedNode); } } }
javascript
{ "resource": "" }
q17807
isInRange
train
function isInRange(node, reference) { const or = node.range; const ir = reference.identifier.range; return or[0] <= ir[0] && ir[1] <= or[1]; }
javascript
{ "resource": "" }
q17808
getEncloseFunctionDeclaration
train
function getEncloseFunctionDeclaration(reference) { let node = reference.identifier; while (node) { if (node.type === "FunctionDeclaration") { return node.id ? node : null; } node = node.parent; } return null; }
javascript
{ "resource": "" }
q17809
updateModifiedFlag
train
function updateModifiedFlag(conditions, modifiers) { for (let i = 0; i < conditions.length; ++i) { const condition = conditions[i]; for (let j = 0; !condition.modified && j < modifiers.length; ++j) { const modifier = modifiers[j]; let funcNode, funcVar; /* * Besides checking for the condition being in the loop, we want to * check the function that this modifier is belonging to is called * in the loop. * FIXME: This should probably be extracted to a function. */ const inLoop = condition.isInLoop(modifier) || Boolean( (funcNode = getEncloseFunctionDeclaration(modifier)) && (funcVar = astUtils.getVariableByName(modifier.from.upper, funcNode.id.name)) && funcVar.references.some(condition.isInLoop) ); condition.modified = inLoop; } } }
javascript
{ "resource": "" }
q17810
report
train
function report(condition) { const node = condition.reference.identifier; context.report({ node, message: "'{{name}}' is not modified in this loop.", data: node }); }
javascript
{ "resource": "" }
q17811
registerConditionsToGroup
train
function registerConditionsToGroup(conditions) { for (let i = 0; i < conditions.length; ++i) { const condition = conditions[i]; if (condition.group) { let group = groupMap.get(condition.group); if (!group) { group = []; groupMap.set(condition.group, group); } group.push(condition); } } }
javascript
{ "resource": "" }
q17812
hasDynamicExpressions
train
function hasDynamicExpressions(root) { let retv = false; Traverser.traverse(root, { visitorKeys: sourceCode.visitorKeys, enter(node) { if (DYNAMIC_PATTERN.test(node.type)) { retv = true; this.break(); } else if (SKIP_PATTERN.test(node.type)) { this.skip(); } } }); return retv; }
javascript
{ "resource": "" }
q17813
toLoopCondition
train
function toLoopCondition(reference) { if (reference.init) { return null; } let group = null; let child = reference.identifier; let node = child.parent; while (node) { if (SENTINEL_PATTERN.test(node.type)) { if (LOOP_PATTERN.test(node.type) && node.test === child) { // This reference is inside of a loop condition. return { reference, group, isInLoop: isInLoop[node.type].bind(null, node), modified: false }; } // This reference is outside of a loop condition. break; } /* * If it's inside of a group, OK if either operand is modified. * So stores the group this reference belongs to. */ if (GROUP_PATTERN.test(node.type)) { // If this expression is dynamic, no need to check. if (hasDynamicExpressions(node)) { break; } else { group = node; } } child = node; node = node.parent; } return null; }
javascript
{ "resource": "" }
q17814
checkReferences
train
function checkReferences(variable) { // Gets references that exist in loop conditions. const conditions = variable .references .map(toLoopCondition) .filter(Boolean); if (conditions.length === 0) { return; } // Registers the conditions to belonging groups. registerConditionsToGroup(conditions); // Check the conditions are modified. const modifiers = variable.references.filter(isWriteReference); if (modifiers.length > 0) { updateModifiedFlag(conditions, modifiers); } /* * Reports the conditions which are not belonging to groups. * Others will be reported after all variables are done. */ conditions .filter(isUnmodifiedAndNotBelongToGroup) .forEach(report); }
javascript
{ "resource": "" }
q17815
time
train
function time(key, fn) { if (typeof data[key] === "undefined") { data[key] = 0; } return function(...args) { let t = process.hrtime(); fn(...args); t = process.hrtime(t); data[key] += t[0] * 1e3 + t[1] / 1e6; }; }
javascript
{ "resource": "" }
q17816
getConfigForNode
train
function getConfigForNode(node) { if ( node.generator && context.options.length > 1 && context.options[1].generators ) { return context.options[1].generators; } return context.options[0] || "always"; }
javascript
{ "resource": "" }
q17817
isObjectOrClassMethod
train
function isObjectOrClassMethod(node) { const parent = node.parent; return (parent.type === "MethodDefinition" || ( parent.type === "Property" && ( parent.method || parent.kind === "get" || parent.kind === "set" ) )); }
javascript
{ "resource": "" }
q17818
hasInferredName
train
function hasInferredName(node) { const parent = node.parent; return isObjectOrClassMethod(node) || (parent.type === "VariableDeclarator" && parent.id.type === "Identifier" && parent.init === node) || (parent.type === "Property" && parent.value === node) || (parent.type === "AssignmentExpression" && parent.left.type === "Identifier" && parent.right === node) || (parent.type === "ExportDefaultDeclaration" && parent.declaration === node) || (parent.type === "AssignmentPattern" && parent.right === node); }
javascript
{ "resource": "" }
q17819
reportUnexpectedUnnamedFunction
train
function reportUnexpectedUnnamedFunction(node) { context.report({ node, messageId: "unnamed", data: { name: astUtils.getFunctionNameWithKind(node) } }); }
javascript
{ "resource": "" }
q17820
generateBlogPost
train
function generateBlogPost(releaseInfo, prereleaseMajorVersion) { const ruleList = ls("lib/rules") // Strip the .js extension .map(ruleFileName => ruleFileName.replace(/\.js$/u, "")) /* * Sort by length descending. This ensures that rule names which are substrings of other rule names are not * matched incorrectly. For example, the string "no-undefined" should get matched with the `no-undefined` rule, * instead of getting matched with the `no-undef` rule followed by the string "ined". */ .sort((ruleA, ruleB) => ruleB.length - ruleA.length); const renderContext = Object.assign({ prereleaseMajorVersion, ruleList }, releaseInfo); const output = ejs.render(cat("./templates/blogpost.md.ejs"), renderContext), now = new Date(), month = now.getMonth() + 1, day = now.getDate(), filename = `../eslint.github.io/_posts/${now.getFullYear()}-${ month < 10 ? `0${month}` : month}-${ day < 10 ? `0${day}` : day}-eslint-v${ releaseInfo.version}-released.md`; output.to(filename); }
javascript
{ "resource": "" }
q17821
generateFormatterExamples
train
function generateFormatterExamples(formatterInfo, prereleaseVersion) { const output = ejs.render(cat("./templates/formatter-examples.md.ejs"), formatterInfo); let filename = "../eslint.github.io/docs/user-guide/formatters/index.md", htmlFilename = "../eslint.github.io/docs/user-guide/formatters/html-formatter-example.html"; if (prereleaseVersion) { filename = filename.replace("/docs", `/docs/${prereleaseVersion}`); htmlFilename = htmlFilename.replace("/docs", `/docs/${prereleaseVersion}`); if (!test("-d", path.dirname(filename))) { mkdir(path.dirname(filename)); } } output.to(filename); formatterInfo.formatterResults.html.result.to(htmlFilename); }
javascript
{ "resource": "" }
q17822
generateRuleIndexPage
train
function generateRuleIndexPage(basedir) { const outputFile = "../eslint.github.io/_data/rules.yml", categoryList = "conf/category-list.json", categoriesData = JSON.parse(cat(path.resolve(categoryList))); find(path.join(basedir, "/lib/rules/")).filter(fileType("js")) .map(filename => [filename, path.basename(filename, ".js")]) .sort((a, b) => a[1].localeCompare(b[1])) .forEach(pair => { const filename = pair[0]; const basename = pair[1]; const rule = require(filename); if (rule.meta.deprecated) { categoriesData.deprecated.rules.push({ name: basename, replacedBy: rule.meta.replacedBy || [] }); } else { const output = { name: basename, description: rule.meta.docs.description, recommended: rule.meta.docs.recommended || false, fixable: !!rule.meta.fixable }, category = lodash.find(categoriesData.categories, { name: rule.meta.docs.category }); if (!category.rules) { category.rules = []; } category.rules.push(output); } }); const output = yaml.safeDump(categoriesData, { sortKeys: true }); output.to(outputFile); }
javascript
{ "resource": "" }
q17823
getFirstCommitOfFile
train
function getFirstCommitOfFile(filePath) { let commits = execSilent(`git rev-list HEAD -- ${filePath}`); commits = splitCommandResultToLines(commits); return commits[commits.length - 1].trim(); }
javascript
{ "resource": "" }
q17824
getFirstVersionOfFile
train
function getFirstVersionOfFile(filePath) { const firstCommit = getFirstCommitOfFile(filePath); let tags = execSilent(`git tag --contains ${firstCommit}`); tags = splitCommandResultToLines(tags); return tags.reduce((list, version) => { const validatedVersion = semver.valid(version.trim()); if (validatedVersion) { list.push(validatedVersion); } return list; }, []).sort(semver.compare)[0]; }
javascript
{ "resource": "" }
q17825
getFirstVersionOfDeletion
train
function getFirstVersionOfDeletion(filePath) { const deletionCommit = getCommitDeletingFile(filePath), tags = execSilent(`git tag --contains ${deletionCommit}`); return splitCommandResultToLines(tags) .map(version => semver.valid(version.trim())) .filter(version => version) .sort(semver.compare)[0]; }
javascript
{ "resource": "" }
q17826
lintMarkdown
train
function lintMarkdown(files) { const config = yaml.safeLoad(fs.readFileSync(path.join(__dirname, "./.markdownlint.yml"), "utf8")), result = markdownlint.sync({ files, config, resultVersion: 1 }), resultString = result.toString(), returnCode = resultString ? 1 : 0; if (resultString) { console.error(resultString); } return { code: returnCode }; }
javascript
{ "resource": "" }
q17827
getFormatterResults
train
function getFormatterResults() { const stripAnsi = require("strip-ansi"); const formatterFiles = fs.readdirSync("./lib/formatters/"), rules = { "no-else-return": "warn", indent: ["warn", 4], "space-unary-ops": "error", semi: ["warn", "always"], "consistent-return": "error" }, cli = new CLIEngine({ useEslintrc: false, baseConfig: { extends: "eslint:recommended" }, rules }), codeString = [ "function addOne(i) {", " if (i != NaN) {", " return i ++", " } else {", " return", " }", "};" ].join("\n"), rawMessages = cli.executeOnText(codeString, "fullOfProblems.js", true), rulesMap = cli.getRules(), rulesMeta = {}; Object.keys(rules).forEach(ruleId => { rulesMeta[ruleId] = rulesMap.get(ruleId).meta; }); return formatterFiles.reduce((data, filename) => { const fileExt = path.extname(filename), name = path.basename(filename, fileExt); if (fileExt === ".js") { const formattedOutput = cli.getFormatter(name)( rawMessages.results, { rulesMeta } ); data.formatterResults[name] = { result: stripAnsi(formattedOutput) }; } return data; }, { formatterResults: {} }); }
javascript
{ "resource": "" }
q17828
hasIdInTitle
train
function hasIdInTitle(id) { const docText = cat(docFilename); const idOldAtEndOfTitleRegExp = new RegExp(`^# (.*?) \\(${id}\\)`, "u"); // original format const idNewAtBeginningOfTitleRegExp = new RegExp(`^# ${id}: `, "u"); // new format is same as rules index /* * 1. Added support for new format. * 2. Will remove support for old format after all docs files have new format. * 3. Will remove this check when the main heading is automatically generated from rule metadata. */ return idNewAtBeginningOfTitleRegExp.test(docText) || idOldAtEndOfTitleRegExp.test(docText); }
javascript
{ "resource": "" }
q17829
isPermissible
train
function isPermissible(dependency) { const licenses = dependency.licenses; if (Array.isArray(licenses)) { return licenses.some(license => isPermissible({ name: dependency.name, licenses: license })); } return OPEN_SOURCE_LICENSES.some(license => license.test(licenses)); }
javascript
{ "resource": "" }
q17830
loadPerformance
train
function loadPerformance() { echo(""); echo("Loading:"); const results = []; for (let cnt = 0; cnt < 5; cnt++) { const loadPerfData = loadPerf({ checkDependencies: false }); echo(` Load performance Run #${cnt + 1}: %dms`, loadPerfData.loadTime); results.push(loadPerfData.loadTime); } results.sort((a, b) => a - b); const median = results[~~(results.length / 2)]; echo(""); echo(" Load Performance median: %dms", median); echo(""); }
javascript
{ "resource": "" }
q17831
checkSpacing
train
function checkSpacing(node) { const tagToken = sourceCode.getTokenBefore(node.quasi); const literalToken = sourceCode.getFirstToken(node.quasi); const hasWhitespace = sourceCode.isSpaceBetweenTokens(tagToken, literalToken); if (never && hasWhitespace) { context.report({ node, loc: tagToken.loc.start, messageId: "unexpected", fix(fixer) { const comments = sourceCode.getCommentsBefore(node.quasi); // Don't fix anything if there's a single line comment after the template tag if (comments.some(comment => comment.type === "Line")) { return null; } return fixer.replaceTextRange( [tagToken.range[1], literalToken.range[0]], comments.reduce((text, comment) => text + sourceCode.getText(comment), "") ); } }); } else if (!never && !hasWhitespace) { context.report({ node, loc: tagToken.loc.start, messageId: "missing", fix(fixer) { return fixer.insertTextAfter(tagToken, " "); } }); } }
javascript
{ "resource": "" }
q17832
usesExpectedQuotes
train
function usesExpectedQuotes(node) { return node.value.indexOf(setting.quote) !== -1 || astUtils.isSurroundedBy(node.raw, setting.quote); }
javascript
{ "resource": "" }
q17833
reportSlice
train
function reportSlice(nodes, start, end, messageId, fix) { nodes.slice(start, end).forEach(node => { context.report({ node, messageId, fix: fix ? getFixFunction(node) : null }); }); }
javascript
{ "resource": "" }
q17834
reportAll
train
function reportAll(nodes, messageId, fix) { reportSlice(nodes, 0, nodes.length, messageId, fix); }
javascript
{ "resource": "" }
q17835
reportAllExceptFirst
train
function reportAllExceptFirst(nodes, messageId, fix) { reportSlice(nodes, 1, nodes.length, messageId, fix); }
javascript
{ "resource": "" }
q17836
enterFunctionInFunctionMode
train
function enterFunctionInFunctionMode(node, useStrictDirectives) { const isInClass = classScopes.length > 0, isParentGlobal = scopes.length === 0 && classScopes.length === 0, isParentStrict = scopes.length > 0 && scopes[scopes.length - 1], isStrict = useStrictDirectives.length > 0; if (isStrict) { if (!isSimpleParameterList(node.params)) { context.report({ node: useStrictDirectives[0], messageId: "nonSimpleParameterList" }); } else if (isParentStrict) { context.report({ node: useStrictDirectives[0], messageId: "unnecessary", fix: getFixFunction(useStrictDirectives[0]) }); } else if (isInClass) { context.report({ node: useStrictDirectives[0], messageId: "unnecessaryInClasses", fix: getFixFunction(useStrictDirectives[0]) }); } reportAllExceptFirst(useStrictDirectives, "multiple", true); } else if (isParentGlobal) { if (isSimpleParameterList(node.params)) { context.report({ node, messageId: "function" }); } else { context.report({ node, messageId: "wrap", data: { name: astUtils.getFunctionNameWithKind(node) } }); } } scopes.push(isParentStrict || isStrict); }
javascript
{ "resource": "" }
q17837
formatMessage
train
function formatMessage(message, parentResult) { const type = (message.fatal || message.severity === 2) ? chalk.red("error") : chalk.yellow("warning"); const msg = `${chalk.bold(message.message.replace(/([^ ])\.$/u, "$1"))}`; const ruleId = message.fatal ? "" : chalk.dim(`(${message.ruleId})`); const filePath = formatFilePath(parentResult.filePath, message.line, message.column); const sourceCode = parentResult.output ? parentResult.output : parentResult.source; const firstLine = [ `${type}:`, `${msg}`, ruleId ? `${ruleId}` : "", sourceCode ? `at ${filePath}:` : `at ${filePath}` ].filter(String).join(" "); const result = [firstLine]; if (sourceCode) { result.push( codeFrameColumns(sourceCode, { start: { line: message.line, column: message.column } }, { highlightCode: false }) ); } return result.join("\n"); }
javascript
{ "resource": "" }
q17838
formatSummary
train
function formatSummary(errors, warnings, fixableErrors, fixableWarnings) { const summaryColor = errors > 0 ? "red" : "yellow"; const summary = []; const fixablesSummary = []; if (errors > 0) { summary.push(`${errors} ${pluralize("error", errors)}`); } if (warnings > 0) { summary.push(`${warnings} ${pluralize("warning", warnings)}`); } if (fixableErrors > 0) { fixablesSummary.push(`${fixableErrors} ${pluralize("error", fixableErrors)}`); } if (fixableWarnings > 0) { fixablesSummary.push(`${fixableWarnings} ${pluralize("warning", fixableWarnings)}`); } let output = chalk[summaryColor].bold(`${summary.join(" and ")} found.`); if (fixableErrors || fixableWarnings) { output += chalk[summaryColor].bold(`\n${fixablesSummary.join(" and ")} potentially fixable with the \`--fix\` option.`); } return output; }
javascript
{ "resource": "" }
q17839
checkVariable
train
function checkVariable(variable) { if (variable.writeable === false && exceptions.indexOf(variable.name) === -1) { variable.references.forEach(checkReference); } }
javascript
{ "resource": "" }
q17840
overrideExistsForOperator
train
function overrideExistsForOperator(operator) { return options.overrides && Object.prototype.hasOwnProperty.call(options.overrides, operator); }
javascript
{ "resource": "" }
q17841
verifyWordHasSpaces
train
function verifyWordHasSpaces(node, firstToken, secondToken, word) { if (secondToken.range[0] === firstToken.range[1]) { context.report({ node, messageId: "wordOperator", data: { word }, fix(fixer) { return fixer.insertTextAfter(firstToken, " "); } }); } }
javascript
{ "resource": "" }
q17842
verifyWordDoesntHaveSpaces
train
function verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word) { if (astUtils.canTokensBeAdjacent(firstToken, secondToken)) { if (secondToken.range[0] > firstToken.range[1]) { context.report({ node, messageId: "unexpectedAfterWord", data: { word }, fix(fixer) { return fixer.removeRange([firstToken.range[1], secondToken.range[0]]); } }); } } }
javascript
{ "resource": "" }
q17843
checkUnaryWordOperatorForSpaces
train
function checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, word) { if (overrideExistsForOperator(word)) { if (overrideEnforcesSpaces(word)) { verifyWordHasSpaces(node, firstToken, secondToken, word); } else { verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word); } } else if (options.words) { verifyWordHasSpaces(node, firstToken, secondToken, word); } else { verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word); } }
javascript
{ "resource": "" }
q17844
checkForSpacesAfterYield
train
function checkForSpacesAfterYield(node) { const tokens = sourceCode.getFirstTokens(node, 3), word = "yield"; if (!node.argument || node.delegate) { return; } checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], word); }
javascript
{ "resource": "" }
q17845
checkForSpacesAfterAwait
train
function checkForSpacesAfterAwait(node) { const tokens = sourceCode.getFirstTokens(node, 3); checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], "await"); }
javascript
{ "resource": "" }
q17846
verifyNonWordsHaveSpaces
train
function verifyNonWordsHaveSpaces(node, firstToken, secondToken) { if (node.prefix) { if (isFirstBangInBangBangExpression(node)) { return; } if (firstToken.range[1] === secondToken.range[0]) { context.report({ node, messageId: "operator", data: { operator: firstToken.value }, fix(fixer) { return fixer.insertTextAfter(firstToken, " "); } }); } } else { if (firstToken.range[1] === secondToken.range[0]) { context.report({ node, messageId: "beforeUnaryExpressions", data: { token: secondToken.value }, fix(fixer) { return fixer.insertTextBefore(secondToken, " "); } }); } } }
javascript
{ "resource": "" }
q17847
verifyNonWordsDontHaveSpaces
train
function verifyNonWordsDontHaveSpaces(node, firstToken, secondToken) { if (node.prefix) { if (secondToken.range[0] > firstToken.range[1]) { context.report({ node, messageId: "unexpectedAfter", data: { operator: firstToken.value }, fix(fixer) { if (astUtils.canTokensBeAdjacent(firstToken, secondToken)) { return fixer.removeRange([firstToken.range[1], secondToken.range[0]]); } return null; } }); } } else { if (secondToken.range[0] > firstToken.range[1]) { context.report({ node, messageId: "unexpectedBefore", data: { operator: secondToken.value }, fix(fixer) { return fixer.removeRange([firstToken.range[1], secondToken.range[0]]); } }); } } }
javascript
{ "resource": "" }
q17848
checkForSpaces
train
function checkForSpaces(node) { const tokens = node.type === "UpdateExpression" && !node.prefix ? sourceCode.getLastTokens(node, 2) : sourceCode.getFirstTokens(node, 2); const firstToken = tokens[0]; const secondToken = tokens[1]; if ((node.type === "NewExpression" || node.prefix) && firstToken.type === "Keyword") { checkUnaryWordOperatorForSpaces(node, firstToken, secondToken, firstToken.value); return; } const operator = node.prefix ? tokens[0].value : tokens[1].value; if (overrideExistsForOperator(operator)) { if (overrideEnforcesSpaces(operator)) { verifyNonWordsHaveSpaces(node, firstToken, secondToken); } else { verifyNonWordsDontHaveSpaces(node, firstToken, secondToken); } } else if (options.nonwords) { verifyNonWordsHaveSpaces(node, firstToken, secondToken); } else { verifyNonWordsDontHaveSpaces(node, firstToken, secondToken); } }
javascript
{ "resource": "" }
q17849
removeWhitespaceError
train
function removeWhitespaceError(node) { const locStart = node.loc.start; const locEnd = node.loc.end; errors = errors.filter(({ loc: errorLoc }) => { if (errorLoc.line >= locStart.line && errorLoc.line <= locEnd.line) { if (errorLoc.column >= locStart.column && (errorLoc.column <= locEnd.column || errorLoc.line < locEnd.line)) { return false; } } return true; }); }
javascript
{ "resource": "" }
q17850
removeInvalidNodeErrorsInTemplateLiteral
train
function removeInvalidNodeErrorsInTemplateLiteral(node) { if (typeof node.value.raw === "string") { if (ALL_IRREGULARS.test(node.value.raw)) { removeWhitespaceError(node); } } }
javascript
{ "resource": "" }
q17851
checkForIrregularWhitespace
train
function checkForIrregularWhitespace(node) { const sourceLines = sourceCode.lines; sourceLines.forEach((sourceLine, lineIndex) => { const lineNumber = lineIndex + 1; let match; while ((match = IRREGULAR_WHITESPACE.exec(sourceLine)) !== null) { const location = { line: lineNumber, column: match.index }; errors.push({ node, message: "Irregular whitespace not allowed.", loc: location }); } }); }
javascript
{ "resource": "" }
q17852
checkForIrregularLineTerminators
train
function checkForIrregularLineTerminators(node) { const source = sourceCode.getText(), sourceLines = sourceCode.lines, linebreaks = source.match(LINE_BREAK); let lastLineIndex = -1, match; while ((match = IRREGULAR_LINE_TERMINATORS.exec(source)) !== null) { const lineIndex = linebreaks.indexOf(match[0], lastLineIndex + 1) || 0; const location = { line: lineIndex + 1, column: sourceLines[lineIndex].length }; errors.push({ node, message: "Irregular whitespace not allowed.", loc: location }); lastLineIndex = lineIndex; } }
javascript
{ "resource": "" }
q17853
getNodeIndent
train
function getNodeIndent(node, byLastLine) { const token = byLastLine ? sourceCode.getLastToken(node) : sourceCode.getFirstToken(node); const srcCharsBeforeNode = sourceCode.getText(token, token.loc.start.column).split(""); const indentChars = srcCharsBeforeNode.slice(0, srcCharsBeforeNode.findIndex(char => char !== " " && char !== "\t")); const spaces = indentChars.filter(char => char === " ").length; const tabs = indentChars.filter(char => char === "\t").length; return { space: spaces, tab: tabs, goodChar: indentType === "space" ? spaces : tabs, badChar: indentType === "space" ? tabs : spaces }; }
javascript
{ "resource": "" }
q17854
checkNodeIndent
train
function checkNodeIndent(node, neededIndent) { const actualIndent = getNodeIndent(node, false); if ( node.type !== "ArrayExpression" && node.type !== "ObjectExpression" && (actualIndent.goodChar !== neededIndent || actualIndent.badChar !== 0) && isNodeFirstInLine(node) ) { report(node, neededIndent, actualIndent.space, actualIndent.tab); } if (node.type === "IfStatement" && node.alternate) { const elseToken = sourceCode.getTokenBefore(node.alternate); checkNodeIndent(elseToken, neededIndent); if (!isNodeFirstInLine(node.alternate)) { checkNodeIndent(node.alternate, neededIndent); } } if (node.type === "TryStatement" && node.handler) { const catchToken = sourceCode.getFirstToken(node.handler); checkNodeIndent(catchToken, neededIndent); } if (node.type === "TryStatement" && node.finalizer) { const finallyToken = sourceCode.getTokenBefore(node.finalizer); checkNodeIndent(finallyToken, neededIndent); } if (node.type === "DoWhileStatement") { const whileToken = sourceCode.getTokenAfter(node.body); checkNodeIndent(whileToken, neededIndent); } }
javascript
{ "resource": "" }
q17855
checkLastNodeLineIndent
train
function checkLastNodeLineIndent(node, lastLineIndent) { const lastToken = sourceCode.getLastToken(node); const endIndent = getNodeIndent(lastToken, true); if ((endIndent.goodChar !== lastLineIndent || endIndent.badChar !== 0) && isNodeFirstInLine(node, true)) { report( node, lastLineIndent, endIndent.space, endIndent.tab, { line: lastToken.loc.start.line, column: lastToken.loc.start.column }, true ); } }
javascript
{ "resource": "" }
q17856
checkLastReturnStatementLineIndent
train
function checkLastReturnStatementLineIndent(node, firstLineIndent) { /* * in case if return statement ends with ');' we have traverse back to ')' * otherwise we'll measure indent for ';' and replace ')' */ const lastToken = sourceCode.getLastToken(node, astUtils.isClosingParenToken); const textBeforeClosingParenthesis = sourceCode.getText(lastToken, lastToken.loc.start.column).slice(0, -1); if (textBeforeClosingParenthesis.trim()) { // There are tokens before the closing paren, don't report this case return; } const endIndent = getNodeIndent(lastToken, true); if (endIndent.goodChar !== firstLineIndent) { report( node, firstLineIndent, endIndent.space, endIndent.tab, { line: lastToken.loc.start.line, column: lastToken.loc.start.column }, true ); } }
javascript
{ "resource": "" }
q17857
checkFirstNodeLineIndent
train
function checkFirstNodeLineIndent(node, firstLineIndent) { const startIndent = getNodeIndent(node, false); if ((startIndent.goodChar !== firstLineIndent || startIndent.badChar !== 0) && isNodeFirstInLine(node)) { report( node, firstLineIndent, startIndent.space, startIndent.tab, { line: node.loc.start.line, column: node.loc.start.column } ); } }
javascript
{ "resource": "" }
q17858
getParentNodeByType
train
function getParentNodeByType(node, type, stopAtList) { let parent = node.parent; const stopAtSet = new Set(stopAtList || ["Program"]); while (parent.type !== type && !stopAtSet.has(parent.type) && parent.type !== "Program") { parent = parent.parent; } return parent.type === type ? parent : null; }
javascript
{ "resource": "" }
q17859
isNodeInVarOnTop
train
function isNodeInVarOnTop(node, varNode) { return varNode && varNode.parent.loc.start.line === node.loc.start.line && varNode.parent.declarations.length > 1; }
javascript
{ "resource": "" }
q17860
isArgBeforeCalleeNodeMultiline
train
function isArgBeforeCalleeNodeMultiline(node) { const parent = node.parent; if (parent.arguments.length >= 2 && parent.arguments[1] === node) { return parent.arguments[0].loc.end.line > parent.arguments[0].loc.start.line; } return false; }
javascript
{ "resource": "" }
q17861
filterOutSameLineVars
train
function filterOutSameLineVars(node) { return node.declarations.reduce((finalCollection, elem) => { const lastElem = finalCollection[finalCollection.length - 1]; if ((elem.loc.start.line !== node.loc.start.line && !lastElem) || (lastElem && lastElem.loc.start.line !== elem.loc.start.line)) { finalCollection.push(elem); } return finalCollection; }, []); }
javascript
{ "resource": "" }
q17862
getTopConcatBinaryExpression
train
function getTopConcatBinaryExpression(node) { let currentNode = node; while (isConcatenation(currentNode.parent)) { currentNode = currentNode.parent; } return currentNode; }
javascript
{ "resource": "" }
q17863
isOctalEscapeSequence
train
function isOctalEscapeSequence(node) { // No need to check TemplateLiterals – would throw error with octal escape const isStringLiteral = node.type === "Literal" && typeof node.value === "string"; if (!isStringLiteral) { return false; } const match = node.raw.match(/^([^\\]|\\[^0-7])*\\([0-7]{1,3})/u); if (match) { // \0 is actually not considered an octal if (match[2] !== "0" || typeof match[3] !== "undefined") { return true; } } return false; }
javascript
{ "resource": "" }
q17864
hasOctalEscapeSequence
train
function hasOctalEscapeSequence(node) { if (isConcatenation(node)) { return hasOctalEscapeSequence(node.left) || hasOctalEscapeSequence(node.right); } return isOctalEscapeSequence(node); }
javascript
{ "resource": "" }
q17865
hasStringLiteral
train
function hasStringLiteral(node) { if (isConcatenation(node)) { // `left` is deeper than `right` normally. return hasStringLiteral(node.right) || hasStringLiteral(node.left); } return astUtils.isStringLiteral(node); }
javascript
{ "resource": "" }
q17866
hasNonStringLiteral
train
function hasNonStringLiteral(node) { if (isConcatenation(node)) { // `left` is deeper than `right` normally. return hasNonStringLiteral(node.right) || hasNonStringLiteral(node.left); } return !astUtils.isStringLiteral(node); }
javascript
{ "resource": "" }
q17867
getTextBetween
train
function getTextBetween(node1, node2) { const allTokens = [node1].concat(sourceCode.getTokensBetween(node1, node2)).concat(node2); const sourceText = sourceCode.getText(); return allTokens.slice(0, -1).reduce((accumulator, token, index) => accumulator + sourceText.slice(token.range[1], allTokens[index + 1].range[0]), ""); }
javascript
{ "resource": "" }
q17868
getTemplateLiteral
train
function getTemplateLiteral(currentNode, textBeforeNode, textAfterNode) { if (currentNode.type === "Literal" && typeof currentNode.value === "string") { /* * If the current node is a string literal, escape any instances of ${ or ` to prevent them from being interpreted * as a template placeholder. However, if the code already contains a backslash before the ${ or ` * for some reason, don't add another backslash, because that would change the meaning of the code (it would cause * an actual backslash character to appear before the dollar sign). */ return `\`${currentNode.raw.slice(1, -1).replace(/\\*(\$\{|`)/gu, matched => { if (matched.lastIndexOf("\\") % 2) { return `\\${matched}`; } return matched; // Unescape any quotes that appear in the original Literal that no longer need to be escaped. }).replace(new RegExp(`\\\\${currentNode.raw[0]}`, "gu"), currentNode.raw[0])}\``; } if (currentNode.type === "TemplateLiteral") { return sourceCode.getText(currentNode); } if (isConcatenation(currentNode) && hasStringLiteral(currentNode) && hasNonStringLiteral(currentNode)) { const plusSign = sourceCode.getFirstTokenBetween(currentNode.left, currentNode.right, token => token.value === "+"); const textBeforePlus = getTextBetween(currentNode.left, plusSign); const textAfterPlus = getTextBetween(plusSign, currentNode.right); const leftEndsWithCurly = endsWithTemplateCurly(currentNode.left); const rightStartsWithCurly = startsWithTemplateCurly(currentNode.right); if (leftEndsWithCurly) { // If the left side of the expression ends with a template curly, add the extra text to the end of the curly bracket. // `foo${bar}` /* comment */ + 'baz' --> `foo${bar /* comment */ }${baz}` return getTemplateLiteral(currentNode.left, textBeforeNode, textBeforePlus + textAfterPlus).slice(0, -1) + getTemplateLiteral(currentNode.right, null, textAfterNode).slice(1); } if (rightStartsWithCurly) { // Otherwise, if the right side of the expression starts with a template curly, add the text there. // 'foo' /* comment */ + `${bar}baz` --> `foo${ /* comment */ bar}baz` return getTemplateLiteral(currentNode.left, textBeforeNode, null).slice(0, -1) + getTemplateLiteral(currentNode.right, textBeforePlus + textAfterPlus, textAfterNode).slice(1); } /* * Otherwise, these nodes should not be combined into a template curly, since there is nowhere to put * the text between them. */ return `${getTemplateLiteral(currentNode.left, textBeforeNode, null)}${textBeforePlus}+${textAfterPlus}${getTemplateLiteral(currentNode.right, textAfterNode, null)}`; } return `\`\${${textBeforeNode || ""}${sourceCode.getText(currentNode)}${textAfterNode || ""}}\``; }
javascript
{ "resource": "" }
q17869
fixNonStringBinaryExpression
train
function fixNonStringBinaryExpression(fixer, node) { const topBinaryExpr = getTopConcatBinaryExpression(node.parent); if (hasOctalEscapeSequence(topBinaryExpr)) { return null; } return fixer.replaceText(topBinaryExpr, getTemplateLiteral(topBinaryExpr, null, null)); }
javascript
{ "resource": "" }
q17870
checkForStringConcat
train
function checkForStringConcat(node) { if (!astUtils.isStringLiteral(node) || !isConcatenation(node.parent)) { return; } const topBinaryExpr = getTopConcatBinaryExpression(node.parent); // Checks whether or not this node had been checked already. if (done[topBinaryExpr.range[0]]) { return; } done[topBinaryExpr.range[0]] = true; if (hasNonStringLiteral(topBinaryExpr)) { context.report({ node: topBinaryExpr, message: "Unexpected string concatenation.", fix: fixer => fixNonStringBinaryExpression(fixer, node) }); } }
javascript
{ "resource": "" }
q17871
reportUnnecessaryAwait
train
function reportUnnecessaryAwait(node) { context.report({ node: context.getSourceCode().getFirstToken(node), loc: node.loc, message }); }
javascript
{ "resource": "" }
q17872
hasSameTokens
train
function hasSameTokens(nodeA, nodeB) { const tokensA = sourceCode.getTokens(nodeA); const tokensB = sourceCode.getTokens(nodeB); return tokensA.length === tokensB.length && tokensA.every((token, index) => token.type === tokensB[index].type && token.value === tokensB[index].value); }
javascript
{ "resource": "" }
q17873
isConstant
train
function isConstant(node, inBooleanPosition) { switch (node.type) { case "Literal": case "ArrowFunctionExpression": case "FunctionExpression": case "ObjectExpression": case "ArrayExpression": return true; case "UnaryExpression": if (node.operator === "void") { return true; } return (node.operator === "typeof" && inBooleanPosition) || isConstant(node.argument, true); case "BinaryExpression": return isConstant(node.left, false) && isConstant(node.right, false) && node.operator !== "in"; case "LogicalExpression": { const isLeftConstant = isConstant(node.left, inBooleanPosition); const isRightConstant = isConstant(node.right, inBooleanPosition); const isLeftShortCircuit = (isLeftConstant && isLogicalIdentity(node.left, node.operator)); const isRightShortCircuit = (isRightConstant && isLogicalIdentity(node.right, node.operator)); return (isLeftConstant && isRightConstant) || ( // in the case of an "OR", we need to know if the right constant value is truthy node.operator === "||" && isRightConstant && node.right.value && ( !node.parent || node.parent.type !== "BinaryExpression" || !(EQUALITY_OPERATORS.includes(node.parent.operator) || RELATIONAL_OPERATORS.includes(node.parent.operator)) ) ) || isLeftShortCircuit || isRightShortCircuit; } case "AssignmentExpression": return (node.operator === "=") && isConstant(node.right, inBooleanPosition); case "SequenceExpression": return isConstant(node.expressions[node.expressions.length - 1], inBooleanPosition); // no default } return false; }
javascript
{ "resource": "" }
q17874
trackConstantConditionLoop
train
function trackConstantConditionLoop(node) { if (node.test && isConstant(node.test, true)) { loopsInCurrentScope.add(node); } }
javascript
{ "resource": "" }
q17875
checkConstantConditionLoopInSet
train
function checkConstantConditionLoopInSet(node) { if (loopsInCurrentScope.has(node)) { loopsInCurrentScope.delete(node); context.report({ node: node.test, messageId: "unexpected" }); } }
javascript
{ "resource": "" }
q17876
reportIfConstant
train
function reportIfConstant(node) { if (node.test && isConstant(node.test, true)) { context.report({ node: node.test, messageId: "unexpected" }); } }
javascript
{ "resource": "" }
q17877
optionToDefinition
train
function optionToDefinition(option, defaults) { if (!option) { return defaults; } return typeof option === "string" ? optionDefinitions[option] : Object.assign({}, defaults, option); }
javascript
{ "resource": "" }
q17878
getStarToken
train
function getStarToken(node) { return sourceCode.getFirstToken( (node.parent.method || node.parent.type === "MethodDefinition") ? node.parent : node, isStarToken ); }
javascript
{ "resource": "" }
q17879
checkFunction
train
function checkFunction(node) { if (!node.generator) { return; } const starToken = getStarToken(node); const prevToken = sourceCode.getTokenBefore(starToken); const nextToken = sourceCode.getTokenAfter(starToken); let kind = "named"; if (node.parent.type === "MethodDefinition" || (node.parent.type === "Property" && node.parent.method)) { kind = "method"; } else if (!node.id) { kind = "anonymous"; } // Only check before when preceded by `function`|`static` keyword if (!(kind === "method" && starToken === sourceCode.getFirstToken(node.parent))) { checkSpacing(kind, "before", prevToken, starToken); } checkSpacing(kind, "after", starToken, nextToken); }
javascript
{ "resource": "" }
q17880
getColonToken
train
function getColonToken(node) { if (node.test) { return sourceCode.getTokenAfter(node.test, astUtils.isColonToken); } return sourceCode.getFirstToken(node, 1); }
javascript
{ "resource": "" }
q17881
isValidSpacing
train
function isValidSpacing(left, right, expected) { return ( astUtils.isClosingBraceToken(right) || !astUtils.isTokenOnSameLine(left, right) || sourceCode.isSpaceBetweenTokens(left, right) === expected ); }
javascript
{ "resource": "" }
q17882
commentsExistBetween
train
function commentsExistBetween(left, right) { return sourceCode.getFirstTokenBetween( left, right, { includeComments: true, filter: astUtils.isCommentToken } ) !== null; }
javascript
{ "resource": "" }
q17883
fix
train
function fix(fixer, left, right, spacing) { if (commentsExistBetween(left, right)) { return null; } if (spacing) { return fixer.insertTextAfter(left, " "); } return fixer.removeRange([left.range[1], right.range[0]]); }
javascript
{ "resource": "" }
q17884
containsOnlyIdentifiers
train
function containsOnlyIdentifiers(node) { if (node.type === "Identifier") { return true; } if (node.type === "MemberExpression") { if (node.object.type === "Identifier") { return true; } if (node.object.type === "MemberExpression") { return containsOnlyIdentifiers(node.object); } } return false; }
javascript
{ "resource": "" }
q17885
isCallback
train
function isCallback(node) { return containsOnlyIdentifiers(node.callee) && callbacks.indexOf(sourceCode.getText(node.callee)) > -1; }
javascript
{ "resource": "" }
q17886
isCallbackExpression
train
function isCallbackExpression(node, parentNode) { // ensure the parent node exists and is an expression if (!parentNode || parentNode.type !== "ExpressionStatement") { return false; } // cb() if (parentNode.expression === node) { return true; } // special case for cb && cb() and similar if (parentNode.expression.type === "BinaryExpression" || parentNode.expression.type === "LogicalExpression") { if (parentNode.expression.right === node) { return true; } } return false; }
javascript
{ "resource": "" }
q17887
enterFunction
train
function enterFunction(node) { // `this` can be invalid only under strict mode. stack.push({ init: !context.getScope().isStrict, node, valid: true }); }
javascript
{ "resource": "" }
q17888
areLineBreaksRequired
train
function areLineBreaksRequired(node, options, first, last) { let objectProperties; if (node.type === "ObjectExpression" || node.type === "ObjectPattern") { objectProperties = node.properties; } else { // is ImportDeclaration or ExportNamedDeclaration objectProperties = node.specifiers .filter(s => s.type === "ImportSpecifier" || s.type === "ExportSpecifier"); } return objectProperties.length >= options.minProperties || ( options.multiline && objectProperties.length > 0 && first.loc.start.line !== last.loc.end.line ); }
javascript
{ "resource": "" }
q17889
calculateStatsPerFile
train
function calculateStatsPerFile(messages) { return messages.reduce((stat, message) => { if (message.fatal || message.severity === 2) { stat.errorCount++; if (message.fix) { stat.fixableErrorCount++; } } else { stat.warningCount++; if (message.fix) { stat.fixableWarningCount++; } } return stat; }, { errorCount: 0, warningCount: 0, fixableErrorCount: 0, fixableWarningCount: 0 }); }
javascript
{ "resource": "" }
q17890
calculateStatsPerRun
train
function calculateStatsPerRun(results) { return results.reduce((stat, result) => { stat.errorCount += result.errorCount; stat.warningCount += result.warningCount; stat.fixableErrorCount += result.fixableErrorCount; stat.fixableWarningCount += result.fixableWarningCount; return stat; }, { errorCount: 0, warningCount: 0, fixableErrorCount: 0, fixableWarningCount: 0 }); }
javascript
{ "resource": "" }
q17891
processFile
train
function processFile(filename, configHelper, options, linter) { const text = fs.readFileSync(path.resolve(filename), "utf8"); return processText( text, configHelper, filename, options.fix, options.allowInlineConfig, options.reportUnusedDisableDirectives, linter ); }
javascript
{ "resource": "" }
q17892
isIIFE
train
function isIIFE(node) { return node.type === "FunctionExpression" && node.parent && node.parent.type === "CallExpression" && node.parent.callee === node; }
javascript
{ "resource": "" }
q17893
isEmbedded
train
function isEmbedded(node) { if (!node.parent) { return false; } if (node !== node.parent.value) { return false; } if (node.parent.type === "MethodDefinition") { return true; } if (node.parent.type === "Property") { return node.parent.method === true || node.parent.kind === "get" || node.parent.kind === "set"; } return false; }
javascript
{ "resource": "" }
q17894
processFunction
train
function processFunction(funcNode) { const node = isEmbedded(funcNode) ? funcNode.parent : funcNode; if (!IIFEs && isIIFE(node)) { return; } let lineCount = 0; for (let i = node.loc.start.line - 1; i < node.loc.end.line; ++i) { const line = lines[i]; if (skipComments) { if (commentLineNumbers.has(i + 1) && isFullLineComment(line, i + 1, commentLineNumbers.get(i + 1))) { continue; } } if (skipBlankLines) { if (line.match(/^\s*$/u)) { continue; } } lineCount++; } if (lineCount > maxLines) { const name = astUtils.getFunctionNameWithKind(funcNode); context.report({ node, messageId: "exceed", data: { name, lineCount, maxLines } }); } }
javascript
{ "resource": "" }
q17895
isValidIdentifierPair
train
function isValidIdentifierPair(ctorParam, superArg) { return ( ctorParam.type === "Identifier" && superArg.type === "Identifier" && ctorParam.name === superArg.name ); }
javascript
{ "resource": "" }
q17896
isRedundantSuperCall
train
function isRedundantSuperCall(body, ctorParams) { return ( isSingleSuperCall(body) && ctorParams.every(isSimple) && ( isSpreadArguments(body[0].expression.arguments) || isPassingThrough(ctorParams, body[0].expression.arguments) ) ); }
javascript
{ "resource": "" }
q17897
checkForConstructor
train
function checkForConstructor(node) { if (node.kind !== "constructor") { return; } const body = node.value.body.body; const ctorParams = node.value.params; const superClass = node.parent.parent.superClass; if (superClass ? isRedundantSuperCall(body, ctorParams) : (body.length === 0)) { context.report({ node, message: "Useless constructor." }); } }
javascript
{ "resource": "" }
q17898
beforeLoc
train
function beforeLoc(loc, line, column) { if (line < loc.start.line) { return true; } return line === loc.start.line && column < loc.start.column; }
javascript
{ "resource": "" }
q17899
afterLoc
train
function afterLoc(loc, line, column) { if (line > loc.end.line) { return true; } return line === loc.end.line && column > loc.end.column; }
javascript
{ "resource": "" }