| 'use strict';var _vm = require('vm');var _vm2 = _interopRequireDefault(_vm); |
| var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };} |
| |
| module.exports = { |
| meta: { |
| type: 'suggestion', |
| docs: { |
| url: (0, _docsUrl2.default)('dynamic-import-chunkname') }, |
| |
| schema: [{ |
| type: 'object', |
| properties: { |
| importFunctions: { |
| type: 'array', |
| uniqueItems: true, |
| items: { |
| type: 'string' } }, |
| |
| |
| webpackChunknameFormat: { |
| type: 'string' } } }] }, |
| |
| |
| |
| |
| |
| create: function (context) { |
| const config = context.options[0];var _ref = |
| config || {},_ref$importFunctions = _ref.importFunctions;const importFunctions = _ref$importFunctions === undefined ? [] : _ref$importFunctions;var _ref2 = |
| config || {},_ref2$webpackChunknam = _ref2.webpackChunknameFormat;const webpackChunknameFormat = _ref2$webpackChunknam === undefined ? '[0-9a-zA-Z-_/.]+' : _ref2$webpackChunknam; |
| |
| const paddedCommentRegex = /^ (\S[\s\S]+\S) $/; |
| const commentStyleRegex = /^( \w+: (["'][^"']*["']|\d+|false|true),?)+ $/; |
| const chunkSubstrFormat = ` webpackChunkName: ["']${webpackChunknameFormat}["'],? `; |
| const chunkSubstrRegex = new RegExp(chunkSubstrFormat); |
| |
| function run(node, arg) { |
| const sourceCode = context.getSourceCode(); |
| const leadingComments = sourceCode.getCommentsBefore ? |
| sourceCode.getCommentsBefore(arg) // This method is available in ESLint >= 4. |
| : sourceCode.getComments(arg).leading; // This method is deprecated in ESLint 7. |
| |
| if (!leadingComments || leadingComments.length === 0) { |
| context.report({ |
| node, |
| message: 'dynamic imports require a leading comment with the webpack chunkname' }); |
| |
| return; |
| } |
| |
| let isChunknamePresent = false; |
| |
| for (const comment of leadingComments) { |
| if (comment.type !== 'Block') { |
| context.report({ |
| node, |
| message: 'dynamic imports require a /* foo */ style comment, not a // foo comment' }); |
| |
| return; |
| } |
| |
| if (!paddedCommentRegex.test(comment.value)) { |
| context.report({ |
| node, |
| message: `dynamic imports require a block comment padded with spaces - /* foo */` }); |
| |
| return; |
| } |
| |
| try { |
| // just like webpack itself does |
| _vm2.default.runInNewContext(`(function(){return {${comment.value}}})()`); |
| } |
| catch (error) { |
| context.report({ |
| node, |
| message: `dynamic imports require a "webpack" comment with valid syntax` }); |
| |
| return; |
| } |
| |
| if (!commentStyleRegex.test(comment.value)) { |
| context.report({ |
| node, |
| message: |
| `dynamic imports require a leading comment in the form /*${chunkSubstrFormat}*/` }); |
| |
| return; |
| } |
| |
| if (chunkSubstrRegex.test(comment.value)) { |
| isChunknamePresent = true; |
| } |
| } |
| |
| if (!isChunknamePresent) { |
| context.report({ |
| node, |
| message: |
| `dynamic imports require a leading comment in the form /*${chunkSubstrFormat}*/` }); |
| |
| } |
| } |
| |
| return { |
| ImportExpression(node) { |
| run(node, node.source); |
| }, |
| |
| CallExpression(node) { |
| if (node.callee.type !== 'Import' && importFunctions.indexOf(node.callee.name) < 0) { |
| return; |
| } |
| |
| run(node, node.arguments[0]); |
| } }; |
| |
| } }; |
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`\n    const chunkSubstrRegex = new RegExp(chunkSubstrFormat)\n\n    function run(node, arg) {\n      const sourceCode = context.getSourceCode()\n      const leadingComments = sourceCode.getCommentsBefore\n        ? sourceCode.getCommentsBefore(arg) // This method is available in ESLint >= 4.\n        : sourceCode.getComments(arg).leading // This method is deprecated in ESLint 7.\n\n      if (!leadingComments || leadingComments.length === 0) {\n        context.report({\n          node,\n          message: 'dynamic imports require a leading comment with the webpack chunkname',\n        })\n        return\n      }\n\n      let isChunknamePresent = false\n\n      for (const comment of leadingComments) {\n        if (comment.type !== 'Block') {\n          context.report({\n            node,\n            message: 'dynamic imports require a /* foo */ style comment, not a // foo comment',\n          })\n          return\n        }\n\n        if (!paddedCommentRegex.test(comment.value)) {\n          context.report({\n            node,\n            message: `dynamic imports require a block comment padded with spaces - /* foo */`,\n          })\n          return\n        }\n\n        try {\n          // just like webpack itself does\n          vm.runInNewContext(`(function(){return {${comment.value}}})()`)\n        }\n        catch (error) {\n          context.report({\n            node,\n            message: `dynamic imports require a \"webpack\" comment with valid syntax`,\n          })\n          return\n        }\n\n        if (!commentStyleRegex.test(comment.value)) {\n          context.report({\n            node,\n            message:\n              `dynamic imports require a leading comment in the form /*${chunkSubstrFormat}*/`,\n          })\n          return\n        }\n\n        if (chunkSubstrRegex.test(comment.value)) {\n          isChunknamePresent = true\n        }\n      }\n\n      if (!isChunknamePresent) {\n        context.report({\n          node,\n          message:\n            `dynamic imports require a leading comment in the form /*${chunkSubstrFormat}*/`,\n        })\n      }\n    }\n\n    return {\n      ImportExpression(node) {\n        run(node, node.source)\n      },\n\n      CallExpression(node) {\n        if (node.callee.type !== 'Import' && importFunctions.indexOf(node.callee.name) < 0) {\n          return\n        }\n\n        run(node, node.arguments[0])\n      },\n    }\n  },\n}\n"]} |