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