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codeql-action/node_modules/eslint-plugin-import/lib/rules/no-empty-named-blocks.js
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'use strict';var _slicedToArray = function () {function sliceIterator(arr, i) {var _arr = [];var _n = true;var _d = false;var _e = undefined;try {for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {_arr.push(_s.value);if (i && _arr.length === i) break;}} catch (err) {_d = true;_e = err;} finally {try {if (!_n && _i["return"]) _i["return"]();} finally {if (_d) throw _e;}}return _arr;}return function (arr, i) {if (Array.isArray(arr)) {return arr;} else if (Symbol.iterator in Object(arr)) {return sliceIterator(arr, i);} else {throw new TypeError("Invalid attempt to destructure non-iterable instance");}};}();var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };} | |
function getEmptyBlockRange(tokens, index) { | |
var token = tokens[index]; | |
var nextToken = tokens[index + 1]; | |
var prevToken = tokens[index - 1]; | |
var start = token.range[0]; | |
var end = nextToken.range[1]; | |
// Remove block tokens and the previous comma | |
if (prevToken.value === ',' || prevToken.value === 'type' || prevToken.value === 'typeof') { | |
start = prevToken.range[0]; | |
} | |
return [start, end]; | |
} | |
module.exports = { | |
meta: { | |
type: 'suggestion', | |
docs: { | |
category: 'Helpful warnings', | |
description: 'Forbid empty named import blocks.', | |
url: (0, _docsUrl2['default'])('no-empty-named-blocks') }, | |
fixable: 'code', | |
schema: [], | |
hasSuggestions: true }, | |
create: function () {function create(context) { | |
var importsWithoutNameds = []; | |
return { | |
ImportDeclaration: function () {function ImportDeclaration(node) { | |
if (!node.specifiers.some(function (x) {return x.type === 'ImportSpecifier';})) { | |
importsWithoutNameds.push(node); | |
} | |
}return ImportDeclaration;}(), | |
'Program:exit': function () {function ProgramExit(program) { | |
var importsTokens = importsWithoutNameds.map(function (node) {return [node, program.tokens.filter(function (x) {return x.range[0] >= node.range[0] && x.range[1] <= node.range[1];})];}); | |
importsTokens.forEach(function (_ref) {var _ref2 = _slicedToArray(_ref, 2),node = _ref2[0],tokens = _ref2[1]; | |
tokens.forEach(function (token) { | |
var idx = program.tokens.indexOf(token); | |
var nextToken = program.tokens[idx + 1]; | |
if (nextToken && token.value === '{' && nextToken.value === '}') { | |
var hasOtherIdentifiers = tokens.some(function (token) {return token.type === 'Identifier' && | |
token.value !== 'from' && | |
token.value !== 'type' && | |
token.value !== 'typeof';}); | |
// If it has no other identifiers it's the only thing in the import, so we can either remove the import | |
// completely or transform it in a side-effects only import | |
if (!hasOtherIdentifiers) { | |
context.report({ | |
node: node, | |
message: 'Unexpected empty named import block', | |
suggest: [ | |
{ | |
desc: 'Remove unused import', | |
fix: function () {function fix(fixer) { | |
// Remove the whole import | |
return fixer.remove(node); | |
}return fix;}() }, | |
{ | |
desc: 'Remove empty import block', | |
fix: function () {function fix(fixer) { | |
// Remove the empty block and the 'from' token, leaving the import only for its side | |
// effects, e.g. `import 'mod'` | |
var sourceCode = context.getSourceCode(); | |
var fromToken = program.tokens.find(function (t) {return t.value === 'from';}); | |
var importToken = program.tokens.find(function (t) {return t.value === 'import';}); | |
var hasSpaceAfterFrom = sourceCode.isSpaceBetween(fromToken, sourceCode.getTokenAfter(fromToken)); | |
var hasSpaceAfterImport = sourceCode.isSpaceBetween(importToken, sourceCode.getTokenAfter(fromToken));var _getEmptyBlockRange = | |
getEmptyBlockRange(program.tokens, idx),_getEmptyBlockRange2 = _slicedToArray(_getEmptyBlockRange, 1),start = _getEmptyBlockRange2[0];var _fromToken$range = _slicedToArray( | |
fromToken.range, 2),end = _fromToken$range[1]; | |
var range = [start, hasSpaceAfterFrom ? end + 1 : end]; | |
return fixer.replaceTextRange(range, hasSpaceAfterImport ? '' : ' '); | |
}return fix;}() }] }); | |
} else { | |
context.report({ | |
node: node, | |
message: 'Unexpected empty named import block', | |
fix: function () {function fix(fixer) { | |
return fixer.removeRange(getEmptyBlockRange(program.tokens, idx)); | |
}return fix;}() }); | |
} | |
} | |
}); | |
}); | |
}return ProgramExit;}() }; | |
}return create;}() }; | |
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1];\n  let start = token.range[0];\n  const end = nextToken.range[1];\n\n  // Remove block tokens and the previous comma\n  if (prevToken.value === ',' || prevToken.value === 'type' || prevToken.value === 'typeof') {\n    start = prevToken.range[0];\n  }\n\n  return [start, end];\n}\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      category: 'Helpful warnings',\n      description: 'Forbid empty named import blocks.',\n      url: docsUrl('no-empty-named-blocks'),\n    },\n    fixable: 'code',\n    schema: [],\n    hasSuggestions: true,\n  },\n\n  create(context) {\n    const importsWithoutNameds = [];\n\n    return {\n      ImportDeclaration(node) {\n        if (!node.specifiers.some((x) => x.type === 'ImportSpecifier')) {\n          importsWithoutNameds.push(node);\n        }\n      },\n\n      'Program:exit'(program) {\n        const importsTokens = importsWithoutNameds.map((node) => [node, program.tokens.filter((x) => x.range[0] >= node.range[0] && x.range[1] <= node.range[1])]);\n\n        importsTokens.forEach(([node, tokens]) => {\n          tokens.forEach((token) => {\n            const idx = program.tokens.indexOf(token);\n            const nextToken = program.tokens[idx + 1];\n\n            if (nextToken && token.value === '{' && nextToken.value === '}') {\n              const hasOtherIdentifiers = tokens.some((token) => token.type === 'Identifier'\n                  && token.value !== 'from'\n                  && token.value !== 'type'\n                  && token.value !== 'typeof',\n              );\n\n              // If it has no other identifiers it's the only thing in the import, so we can either remove the import\n              // completely or transform it in a side-effects only import\n              if (!hasOtherIdentifiers) {\n                context.report({\n                  node,\n                  message: 'Unexpected empty named import block',\n                  suggest: [\n                    {\n                      desc: 'Remove unused import',\n                      fix(fixer) {\n                        // Remove the whole import\n                        return fixer.remove(node);\n                      },\n                    },\n                    {\n                      desc: 'Remove empty import block',\n                      fix(fixer) {\n                        // Remove the empty block and the 'from' token, leaving the import only for its side\n                        // effects, e.g. `import 'mod'`\n                        const sourceCode = context.getSourceCode();\n                        const fromToken = program.tokens.find((t) => t.value === 'from');\n                        const importToken = program.tokens.find((t) => t.value === 'import');\n                        const hasSpaceAfterFrom = sourceCode.isSpaceBetween(fromToken, sourceCode.getTokenAfter(fromToken));\n                        const hasSpaceAfterImport = sourceCode.isSpaceBetween(importToken, sourceCode.getTokenAfter(fromToken));\n\n                        const [start] = getEmptyBlockRange(program.tokens, idx);\n                        const [, end] = fromToken.range;\n                        const range = [start, hasSpaceAfterFrom ? end + 1 : end];\n\n                        return fixer.replaceTextRange(range, hasSpaceAfterImport ? '' : ' ');\n                      },\n                    },\n                  ],\n                });\n              } else {\n                context.report({\n                  node,\n                  message: 'Unexpected empty named import block',\n                  fix(fixer) {\n                    return fixer.removeRange(getEmptyBlockRange(program.tokens, idx));\n                  },\n                });\n              }\n            }\n          });\n        });\n      },\n    };\n  },\n};\n"]} |