@angular/cdk
Version:
Angular Material Component Development Kit
58 lines • 2.29 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
const chalk_1 = require("chalk");
const tslint_1 = require("tslint");
const ts = require("typescript");
const upgrade_data_1 = require("../../upgrade-data");
/**
* Rule that visits every TypeScript method call expression and checks if the argument count
* is invalid and needs to be *manually* updated.
*/
class Rule extends tslint_1.Rules.TypedRule {
applyWithProgram(sourceFile, program) {
return this.applyWithWalker(new Walker(sourceFile, this.getOptions(), program));
}
}
exports.Rule = Rule;
class Walker extends tslint_1.ProgramAwareRuleWalker {
constructor() {
super(...arguments);
/** Change data that upgrades to the specified target version. */
this.data = upgrade_data_1.getUpgradeDataFromWalker(this, 'methodCallChecks');
}
visitCallExpression(node) {
if (ts.isPropertyAccessExpression(node.expression)) {
this._checkPropertyAccessMethodCall(node);
}
return super.visitCallExpression(node);
}
_checkPropertyAccessMethodCall(node) {
const propertyAccess = node.expression;
if (!ts.isIdentifier(propertyAccess.name)) {
return;
}
const hostType = this.getTypeChecker().getTypeAtLocation(propertyAccess.expression);
const hostTypeName = hostType.symbol && hostType.symbol.name;
const methodName = propertyAccess.name.text;
if (!hostTypeName) {
return;
}
const failure = this.data
.filter(data => data.method === methodName && data.className === hostTypeName)
.map(data => data.invalidArgCounts.find(f => f.count === node.arguments.length))[0];
if (!failure) {
return;
}
this.addFailureAtNode(node, `Found call to "${chalk_1.bold(hostTypeName + '.' + methodName)}" ` +
`with ${chalk_1.bold(`${failure.count}`)} arguments. Message: ${failure.message}`);
}
}
exports.Walker = Walker;
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