89 lines
2.3 KiB
JavaScript
89 lines
2.3 KiB
JavaScript
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/**
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* @fileoverview Prevent usage of setState
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* @author Mark Dalgleish
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*/
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'use strict';
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const values = require('object.values');
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const Components = require('../util/Components');
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const docsUrl = require('../util/docsUrl');
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const report = require('../util/report');
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// ------------------------------------------------------------------------------
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// Rule Definition
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// ------------------------------------------------------------------------------
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const messages = {
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noSetState: 'Do not use setState',
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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: 'Disallow usage of setState',
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category: 'Stylistic Issues',
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recommended: false,
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url: docsUrl('no-set-state'),
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},
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messages,
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schema: [],
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},
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create: Components.detect((context, components, utils) => {
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/**
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* Checks if the component is valid
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* @param {Object} component The component to process
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* @returns {Boolean} True if the component is valid, false if not.
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*/
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function isValid(component) {
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return Boolean(component && !component.useSetState);
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}
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/**
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* Reports usages of setState for a given component
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* @param {Object} component The component to process
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*/
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function reportSetStateUsages(component) {
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let setStateUsage;
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for (let i = 0, j = component.setStateUsages.length; i < j; i++) {
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setStateUsage = component.setStateUsages[i];
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report(context, messages.noSetState, 'noSetState', {
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node: setStateUsage,
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});
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}
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}
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return {
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CallExpression(node) {
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const callee = node.callee;
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if (
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callee.type !== 'MemberExpression'
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|| callee.object.type !== 'ThisExpression'
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|| callee.property.name !== 'setState'
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) {
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return;
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}
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const component = components.get(utils.getParentComponent());
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const setStateUsages = (component && component.setStateUsages) || [];
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setStateUsages.push(callee);
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components.set(node, {
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useSetState: true,
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setStateUsages,
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});
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},
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'Program:exit'() {
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values(components.list())
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.filter((component) => !isValid(component))
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.forEach((component) => {
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reportSetStateUsages(component);
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});
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},
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};
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}),
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};
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