"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
var ts = require("typescript");
var Lint = require("tslint");
var Shared = require("./readonly-shared");
var Rule = (function (_super) {
__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
return this.applyWithFunction(sourceFile, function (ctx) { return Shared.walk(ctx, checkNode, "Only ReadonlyArray allowed."); }, Shared.parseOptions(this.ruleArguments));
};
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function checkNode(node, ctx) {
var explicitTypeFailures = checkArrayTypeOrReference(node, ctx);
var implicitTypeFailures = checkVariableOrParameterImplicitType(node, ctx);
return explicitTypeFailures.concat(implicitTypeFailures);
}
function checkArrayTypeOrReference(node, ctx) {
// We need to check both shorthand syntax "number[]" and type reference "Array<number>"
if (node.kind === ts.SyntaxKind.ArrayType
|| (node.kind === ts.SyntaxKind.TypeReference && node.typeName.getText(ctx.sourceFile) === "Array")) {
if (node.parent && Shared.shouldIgnorePrefix(node.parent, ctx.options, ctx.sourceFile)) {
return [];
}
var typeArgument = "T";
if (node.kind === ts.SyntaxKind.ArrayType) {
var typeNode = node;
typeArgument = typeNode.elementType.getFullText(ctx.sourceFile).trim();
}
else Eif (node.kind === ts.SyntaxKind.TypeReference) {
var typeNode = node;
Eif (typeNode.typeArguments) {
typeArgument = typeNode.typeArguments[0].getFullText(ctx.sourceFile).trim();
}
}
var length_1 = node.getWidth(ctx.sourceFile);
return [Shared.createInvalidNode(node, new Lint.Replacement(node.end - length_1, length_1, "ReadonlyArray<" + typeArgument + ">"))];
}
return [];
}
function checkVariableOrParameterImplicitType(node, ctx) {
if (node.kind === ts.SyntaxKind.VariableDeclaration || node.kind === ts.SyntaxKind.Parameter
|| node.kind === ts.SyntaxKind.PropertyDeclaration) {
// The initializer is used to set and implicit type
var varOrParamNode = node;
if (Shared.shouldIgnorePrefix(node, ctx.options, ctx.sourceFile)) {
return [];
}
if (!varOrParamNode.type) {
if (varOrParamNode.initializer && varOrParamNode.initializer.kind === ts.SyntaxKind.ArrayLiteralExpression) {
var length_2 = varOrParamNode.name.getWidth(ctx.sourceFile);
var nameText = varOrParamNode.name.getText(ctx.sourceFile);
var typeArgument = "any";
// Not sure it is a good idea to guess what the element types are...
// const arrayLiteralNode = varOrParamNode.initializer as ts.ArrayLiteralExpression;
// if (arrayLiteralNode.elements.length > 0) {
// const element = arrayLiteralNode.elements[0];
// if (element.kind === ts.SyntaxKind.NumericLiteral) {
// typeArgument = "number";
// } else if (element.kind === ts.SyntaxKind.StringLiteral) {
// typeArgument = "string";
// } else if (element.kind === ts.SyntaxKind.TrueKeyword || element.kind === ts.SyntaxKind.FalseKeyword) {
// typeArgument = "boolean";
// }
// }
return [Shared.createInvalidNode(varOrParamNode.name, new Lint.Replacement(varOrParamNode.name.end - length_2, length_2, nameText + ": ReadonlyArray<" + typeArgument + ">"))];
}
}
}
return [];
}
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