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66 lines
1.8 KiB
66 lines
1.8 KiB
/**
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* @fileoverview Rule to enforce description with the `Symbol` object
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* @author Jarek Rencz
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const astUtils = require("../ast-utils");
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = {
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meta: {
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docs: {
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description: "require symbol descriptions",
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category: "ECMAScript 6",
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recommended: false
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},
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schema: []
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},
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create(context) {
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/**
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* Reports if node does not conform the rule in case rule is set to
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* report missing description
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*
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* @param {ASTNode} node - A CallExpression node to check.
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* @returns {void}
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*/
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function checkArgument(node) {
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if (node.arguments.length === 0) {
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context.report({
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node,
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message: "Expected Symbol to have a description."
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});
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}
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}
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return {
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"Program:exit"() {
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const scope = context.getScope();
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const variable = astUtils.getVariableByName(scope, "Symbol");
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if (variable && variable.defs.length === 0) {
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variable.references.forEach(function(reference) {
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const node = reference.identifier;
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if (astUtils.isCallee(node)) {
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checkArgument(node.parent);
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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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};
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