tslint-react-set-state-usage/src/utils/syntaxWalkerUtils.js

TSLint rule for detection non-functional setState statements

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ts = require("typescript");
var tsutils_1 = require("tsutils");
var syntaxKindUtils_1 = require("./syntaxKindUtils");
exports.isThisPropertyAccess = function (node) {
    return tsutils_1.isPropertyAccessExpression(node) && syntaxKindUtils_1.isThisKeyword(node.expression);
};
exports.isThisSetState = function (node) {
    return tsutils_1.isCallExpression(node)
        && tsutils_1.isPropertyAccessExpression(node.expression)
        && syntaxKindUtils_1.isThisKeyword(node.expression.expression)
        && node.expression.name.text === "setState";
};
function getFirstSetStateAncestor(node) {
    if (node.kind === ts.SyntaxKind.SourceFile) {
        return null;
    }
    if (exports.isThisSetState(node)) {
        return node;
    }
    return getFirstSetStateAncestor(node.parent);
}
exports.getFirstSetStateAncestor = getFirstSetStateAncestor;
exports.removeParentheses = function (node) { return tsutils_1.isParenthesizedExpression(node)
    ? exports.removeParentheses(node.expression)
    : node; };
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