50 lines
1.7 KiB
JavaScript
50 lines
1.7 KiB
JavaScript
/**
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* @fileoverview Rule to prevent empty keys in JSON.
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* @author Nicholas C. Zakas
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*/
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//-----------------------------------------------------------------------------
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// Imports
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//-----------------------------------------------------------------------------
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import { getKey } from "../util.js";
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//-----------------------------------------------------------------------------
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// Type Definitions
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//-----------------------------------------------------------------------------
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/**
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* @import { JSONRuleDefinition } from "../types.js";
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* @typedef {"emptyKey"} NoEmptyKeysMessageIds
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* @typedef {JSONRuleDefinition<{ MessageIds: NoEmptyKeysMessageIds }>} NoEmptyKeysRuleDefinition
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*/
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//-----------------------------------------------------------------------------
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// Rule Definition
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//-----------------------------------------------------------------------------
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/** @type {NoEmptyKeysRuleDefinition} */
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const rule = {
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meta: {
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type: "problem",
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languages: ["json/json", "json/jsonc", "json/json5"],
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docs: {
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recommended: true,
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description: "Disallow empty keys in JSON objects",
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dialects: ["JSON", "JSONC", "JSON5"],
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url: "https://github.com/eslint/json/tree/main/docs/rules/no-empty-keys.md",
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},
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messages: {
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emptyKey: "Empty key found.",
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},
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},
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create(context) {
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return {
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Member(node) {
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const key = getKey(node);
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if (key.trim() === "") {
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context.report({
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loc: node.name.loc,
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messageId: "emptyKey",
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});
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}
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},
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};
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},
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};
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export default rule;
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