first.js 19 KB

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  1. 'use strict';var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}
  2. function getImportValue(node) {
  3. return node.type === 'ImportDeclaration' ?
  4. node.source.value :
  5. node.moduleReference.expression.value;
  6. }
  7. module.exports = {
  8. meta: {
  9. type: 'suggestion',
  10. docs: {
  11. url: (0, _docsUrl2['default'])('first') },
  12. fixable: 'code',
  13. schema: [
  14. {
  15. type: 'string',
  16. 'enum': ['absolute-first', 'disable-absolute-first'] }] },
  17. create: function () {function create(context) {
  18. function isPossibleDirective(node) {
  19. return node.type === 'ExpressionStatement' &&
  20. node.expression.type === 'Literal' &&
  21. typeof node.expression.value === 'string';
  22. }
  23. return {
  24. 'Program': function () {function Program(n) {
  25. var body = n.body;
  26. var absoluteFirst = context.options[0] === 'absolute-first';
  27. var message = 'Import in body of module; reorder to top.';
  28. var sourceCode = context.getSourceCode();
  29. var originSourceCode = sourceCode.getText();
  30. var nonImportCount = 0;
  31. var anyExpressions = false;
  32. var anyRelative = false;
  33. var lastLegalImp = null;
  34. var errorInfos = [];
  35. var shouldSort = true;
  36. var lastSortNodesIndex = 0;
  37. body.forEach(function (node, index) {
  38. if (!anyExpressions && isPossibleDirective(node)) {
  39. return;
  40. }
  41. anyExpressions = true;
  42. if (node.type === 'ImportDeclaration' || node.type === 'TSImportEqualsDeclaration') {
  43. if (absoluteFirst) {
  44. if (/^\./.test(getImportValue(node))) {
  45. anyRelative = true;
  46. } else if (anyRelative) {
  47. context.report({
  48. node: node.type === 'ImportDeclaration' ? node.source : node.moduleReference,
  49. message: 'Absolute imports should come before relative imports.' });
  50. }
  51. }
  52. if (nonImportCount > 0) {var _iteratorNormalCompletion = true;var _didIteratorError = false;var _iteratorError = undefined;try {
  53. for (var _iterator = context.getDeclaredVariables(node)[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {var variable = _step.value;
  54. if (!shouldSort) break;
  55. var references = variable.references;
  56. if (references.length) {var _iteratorNormalCompletion2 = true;var _didIteratorError2 = false;var _iteratorError2 = undefined;try {
  57. for (var _iterator2 = references[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {var reference = _step2.value;
  58. if (reference.identifier.range[0] < node.range[1]) {
  59. shouldSort = false;
  60. break;
  61. }
  62. }} catch (err) {_didIteratorError2 = true;_iteratorError2 = err;} finally {try {if (!_iteratorNormalCompletion2 && _iterator2['return']) {_iterator2['return']();}} finally {if (_didIteratorError2) {throw _iteratorError2;}}}
  63. }
  64. }} catch (err) {_didIteratorError = true;_iteratorError = err;} finally {try {if (!_iteratorNormalCompletion && _iterator['return']) {_iterator['return']();}} finally {if (_didIteratorError) {throw _iteratorError;}}}
  65. shouldSort && (lastSortNodesIndex = errorInfos.length);
  66. errorInfos.push({
  67. node: node,
  68. range: [body[index - 1].range[1], node.range[1]] });
  69. } else {
  70. lastLegalImp = node;
  71. }
  72. } else {
  73. nonImportCount++;
  74. }
  75. });
  76. if (!errorInfos.length) return;
  77. errorInfos.forEach(function (errorInfo, index) {
  78. var node = errorInfo.node;
  79. var infos = {
  80. node: node,
  81. message: message };
  82. if (index < lastSortNodesIndex) {
  83. infos.fix = function (fixer) {
  84. return fixer.insertTextAfter(node, '');
  85. };
  86. } else if (index === lastSortNodesIndex) {
  87. var sortNodes = errorInfos.slice(0, lastSortNodesIndex + 1);
  88. infos.fix = function (fixer) {
  89. var removeFixers = sortNodes.map(function (_errorInfo) {
  90. return fixer.removeRange(_errorInfo.range);
  91. });
  92. var range = [0, removeFixers[removeFixers.length - 1].range[1]];
  93. var insertSourceCode = sortNodes.map(function (_errorInfo) {
  94. var nodeSourceCode = String.prototype.slice.apply(
  95. originSourceCode, _errorInfo.range);
  96. if (/\S/.test(nodeSourceCode[0])) {
  97. return '\n' + nodeSourceCode;
  98. }
  99. return nodeSourceCode;
  100. }).join('');
  101. var insertFixer = null;
  102. var replaceSourceCode = '';
  103. if (!lastLegalImp) {
  104. insertSourceCode =
  105. insertSourceCode.trim() + insertSourceCode.match(/^(\s+)/)[0];
  106. }
  107. insertFixer = lastLegalImp ?
  108. fixer.insertTextAfter(lastLegalImp, insertSourceCode) :
  109. fixer.insertTextBefore(body[0], insertSourceCode);
  110. var fixers = [insertFixer].concat(removeFixers);
  111. fixers.forEach(function (computedFixer, i) {
  112. replaceSourceCode += originSourceCode.slice(
  113. fixers[i - 1] ? fixers[i - 1].range[1] : 0, computedFixer.range[0]) +
  114. computedFixer.text;
  115. });
  116. return fixer.replaceTextRange(range, replaceSourceCode);
  117. };
  118. }
  119. context.report(infos);
  120. });
  121. }return Program;}() };
  122. }return create;}() };
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node.source.value\n    : node.moduleReference.expression.value;\n}\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      url: docsUrl('first'),\n    },\n    fixable: 'code',\n    schema: [\n      {\n        type: 'string',\n        enum: ['absolute-first', 'disable-absolute-first'],\n      },\n    ],\n  },\n\n  create(context) {\n    function isPossibleDirective(node) {\n      return node.type === 'ExpressionStatement' &&\n        node.expression.type === 'Literal' &&\n        typeof node.expression.value === 'string';\n    }\n\n    return {\n      'Program': function (n) {\n        const body = n.body;\n        const absoluteFirst = context.options[0] === 'absolute-first';\n        const message = 'Import in body of module; reorder to top.';\n        const sourceCode = context.getSourceCode();\n        const originSourceCode = sourceCode.getText();\n        let nonImportCount = 0;\n        let anyExpressions = false;\n        let anyRelative = false;\n        let lastLegalImp = null;\n        const errorInfos = [];\n        let shouldSort = true;\n        let lastSortNodesIndex = 0;\n        body.forEach(function (node, index) {\n          if (!anyExpressions && isPossibleDirective(node)) {\n            return;\n          }\n\n          anyExpressions = true;\n\n          if (node.type === 'ImportDeclaration' || node.type === 'TSImportEqualsDeclaration') {\n            if (absoluteFirst) {\n              if (/^\\./.test(getImportValue(node))) {\n                anyRelative = true;\n              } else if (anyRelative) {\n                context.report({\n                  node: node.type === 'ImportDeclaration' ? node.source : node.moduleReference,\n                  message: 'Absolute imports should come before relative imports.',\n                });\n              }\n            }\n            if (nonImportCount > 0) {\n              for (const variable of context.getDeclaredVariables(node)) {\n                if (!shouldSort) break;\n                const references = variable.references;\n                if (references.length) {\n                  for (const reference of references) {\n                    if (reference.identifier.range[0] < node.range[1]) {\n                      shouldSort = false;\n                      break;\n                    }\n                  }\n                }\n              }\n              shouldSort && (lastSortNodesIndex = errorInfos.length);\n              errorInfos.push({\n                node,\n                range: [body[index - 1].range[1], node.range[1]],\n              });\n            } else {\n              lastLegalImp = node;\n            }\n          } else {\n            nonImportCount++;\n          }\n        });\n        if (!errorInfos.length) return;\n        errorInfos.forEach(function (errorInfo, index) {\n          const node = errorInfo.node;\n          const infos = {\n            node,\n            message,\n          };\n          if (index < lastSortNodesIndex) {\n            infos.fix = function (fixer) {\n              return fixer.insertTextAfter(node, '');\n            };\n          } else if (index === lastSortNodesIndex) {\n            const sortNodes = errorInfos.slice(0, lastSortNodesIndex + 1);\n            infos.fix = function (fixer) {\n              const removeFixers = sortNodes.map(function (_errorInfo) {\n                return fixer.removeRange(_errorInfo.range);\n              });\n              const range = [0, removeFixers[removeFixers.length - 1].range[1]];\n              let insertSourceCode = sortNodes.map(function (_errorInfo) {\n                const nodeSourceCode = String.prototype.slice.apply(\n                  originSourceCode, _errorInfo.range,\n                );\n                if (/\\S/.test(nodeSourceCode[0])) {\n                  return '\\n' + nodeSourceCode;\n                }\n                return nodeSourceCode;\n              }).join('');\n              let insertFixer = null;\n              let replaceSourceCode = '';\n              if (!lastLegalImp) {\n                insertSourceCode =\n                    insertSourceCode.trim() + insertSourceCode.match(/^(\\s+)/)[0];\n              }\n              insertFixer = lastLegalImp ?\n                fixer.insertTextAfter(lastLegalImp, insertSourceCode) :\n                fixer.insertTextBefore(body[0], insertSourceCode);\n              const fixers = [insertFixer].concat(removeFixers);\n              fixers.forEach(function (computedFixer, i) {\n                replaceSourceCode += (originSourceCode.slice(\n                  fixers[i - 1] ? fixers[i - 1].range[1] : 0, computedFixer.range[0],\n                ) + computedFixer.text);\n              });\n              return fixer.replaceTextRange(range, replaceSourceCode);\n            };\n          }\n          context.report(infos);\n        });\n      },\n    };\n  },\n};\n"]}