main
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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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100644
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File size:
1.2 KB
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| [d565449] | 1 | /**
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| 2 | * @fileoverview Disallow sparse arrays
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| 3 | * @author Nicholas C. Zakas
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| 4 | */
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| 5 | "use strict";
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| 6 |
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| 7 | //------------------------------------------------------------------------------
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| 8 | // Rule Definition
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| 9 | //------------------------------------------------------------------------------
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| 10 |
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| 11 | /** @type {import('../shared/types').Rule} */
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| 12 | module.exports = {
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| 13 | meta: {
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| 14 | type: "problem",
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| 15 |
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| 16 | docs: {
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| 17 | description: "Disallow sparse arrays",
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| 18 | recommended: true,
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| 19 | url: "https://eslint.org/docs/latest/rules/no-sparse-arrays"
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| 20 | },
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| 21 |
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| 22 | schema: [],
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| 23 |
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| 24 | messages: {
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| 25 | unexpectedSparseArray: "Unexpected comma in middle of array."
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| 26 | }
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| 27 | },
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| 28 |
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| 29 | create(context) {
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| 30 |
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| 31 |
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| 32 | //--------------------------------------------------------------------------
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| 33 | // Public
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| 34 | //--------------------------------------------------------------------------
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| 35 |
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| 36 | return {
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| 37 |
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| 38 | ArrayExpression(node) {
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| 39 |
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| 40 | const emptySpot = node.elements.includes(null);
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| 41 |
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| 42 | if (emptySpot) {
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| 43 | context.report({ node, messageId: "unexpectedSparseArray" });
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| 44 | }
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| 45 | }
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| 46 |
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| 47 | };
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| 48 |
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| 49 | }
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| 50 | };
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