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