"use strict";
/**
* @license
* Copyright 2016 Palantir Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var tsutils_1 = require("tsutils");
var ts = require("typescript");
var Lint = require("../index");
var OPTION_ALWAYS = "always";
var OPTION_AS_NEEDED = "as-needed";
var OPTION_CONSISTENT = "consistent";
var OPTION_CONSISTENT_AS_NEEDED = "consistent-as-needed";
var Rule = (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.UNNEEDED_QUOTES = function (name) {
return "Unnecessarily quoted property '" + name + "' found.";
};
Rule.UNQUOTED_PROPERTY = function (name) {
return "Unquoted property '" + name + "' found.";
};
Rule.prototype.apply = function (sourceFile) {
return this.applyWithWalker(new ObjectLiteralKeyQuotesWalker(sourceFile, this.ruleName, {
option: this.ruleArguments.length === 0 ? "always" : this.ruleArguments[0],
}));
};
return Rule;
}(Lint.Rules.AbstractRule));
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "object-literal-key-quotes",
description: "Enforces consistent object literal property quote style.",
descriptionDetails: (_a = ["\n Object literal property names can be defined in two ways: using literals or using strings.\n For example, these two objects are equivalent:\n\n var object1 = {\n property: true\n };\n\n var object2 = {\n \"property\": true\n };\n\n In many cases, it doesn\u2019t matter if you choose to use an identifier instead of a string\n or vice-versa. Even so, you might decide to enforce a consistent style in your code.\n\n This rules lets you enforce consistent quoting of property names. Either they should always\n be quoted (default behavior) or quoted only as needed (\"as-needed\")."], _a.raw = ["\n Object literal property names can be defined in two ways: using literals or using strings.\n For example, these two objects are equivalent:\n\n var object1 = {\n property: true\n };\n\n var object2 = {\n \"property\": true\n };\n\n In many cases, it doesn\u2019t matter if you choose to use an identifier instead of a string\n or vice-versa. Even so, you might decide to enforce a consistent style in your code.\n\n This rules lets you enforce consistent quoting of property names. Either they should always\n be quoted (default behavior) or quoted only as needed (\"as-needed\")."], Lint.Utils.dedent(_a)),
hasFix: true,
optionsDescription: (_b = ["\n Possible settings are:\n\n * `\"", "\"`: Property names should always be quoted. (This is the default.)\n * `\"", "\"`: Only property names which require quotes may be quoted (e.g. those with spaces in them).\n * `\"", "\"`: Property names should either all be quoted or unquoted.\n * `\"", "\"`: If any property name requires quotes, then all properties must be quoted. Otherwise, no\n property names may be quoted.\n\n For ES6, computed property names (`{[name]: value}`) and methods (`{foo() {}}`) never need\n to be quoted."], _b.raw = ["\n Possible settings are:\n\n * \\`\"", "\"\\`: Property names should always be quoted. (This is the default.)\n * \\`\"", "\"\\`: Only property names which require quotes may be quoted (e.g. those with spaces in them).\n * \\`\"", "\"\\`: Property names should either all be quoted or unquoted.\n * \\`\"", "\"\\`: If any property name requires quotes, then all properties must be quoted. Otherwise, no\n property names may be quoted.\n\n For ES6, computed property names (\\`{[name]: value}\\`) and methods (\\`{foo() {}}\\`) never need\n to be quoted."], Lint.Utils.dedent(_b, OPTION_ALWAYS, OPTION_AS_NEEDED, OPTION_CONSISTENT, OPTION_CONSISTENT_AS_NEEDED)),
options: {
type: "string",
enum: [OPTION_ALWAYS, OPTION_AS_NEEDED, OPTION_CONSISTENT, OPTION_CONSISTENT_AS_NEEDED],
},
optionExamples: [[true, OPTION_AS_NEEDED], [true, OPTION_ALWAYS]],
type: "style",
typescriptOnly: false,
};
/* tslint:enable:object-literal-sort-keys */
Rule.INCONSISTENT_PROPERTY = "All property names in this object literal must be consistently quoted or unquoted.";
exports.Rule = Rule;
var ObjectLiteralKeyQuotesWalker = (function (_super) {
tslib_1.__extends(ObjectLiteralKeyQuotesWalker, _super);
function ObjectLiteralKeyQuotesWalker() {
return _super !== null && _super.apply(this, arguments) || this;
}
ObjectLiteralKeyQuotesWalker.prototype.walk = function (sourceFile) {
var _this = this;
var cb = function (node) {
if (tsutils_1.isObjectLiteralExpression(node)) {
var propertyNames = Lint.Utils.mapDefined(node.properties, mapPropertyName);
outer: switch (_this.options.option) {
case "always":
for (var _i = 0, propertyNames_1 = propertyNames; _i < propertyNames_1.length; _i++) {
var name = propertyNames_1[_i];
if (name.kind !== ts.SyntaxKind.StringLiteral) {
_this.reportMissing(name);
}
}
break;
case "as-needed":
for (var _a = 0, propertyNames_2 = propertyNames; _a < propertyNames_2.length; _a++) {
var name = propertyNames_2[_a];
if (name.kind === ts.SyntaxKind.StringLiteral && tsutils_1.isValidPropertyName(name.text)) {
_this.reportUnnecessary(name);
}
}
break;
case "consistent":
if (hasInconsistentQuotes(propertyNames)) {
// No fix -- don't know if they would want to add quotes or remove them.
_this.addFailureAt(node.getStart(_this.sourceFile), 1, Rule.INCONSISTENT_PROPERTY);
}
break;
case "consistent-as-needed":
for (var _b = 0, propertyNames_3 = propertyNames; _b < propertyNames_3.length; _b++) {
var name = propertyNames_3[_b];
if (name.kind === ts.SyntaxKind.StringLiteral && !tsutils_1.isValidPropertyName(name.text)) {
for (var _c = 0, propertyNames_4 = propertyNames; _c < propertyNames_4.length; _c++) {
var propertyName = propertyNames_4[_c];
if (propertyName.kind !== ts.SyntaxKind.StringLiteral) {
_this.reportMissing(propertyName);
}
}
break outer;
}
}
for (var _d = 0, propertyNames_5 = propertyNames; _d < propertyNames_5.length; _d++) {
var name = propertyNames_5[_d];
if (name.kind === ts.SyntaxKind.StringLiteral) {
_this.reportUnnecessary(name);
}
}
}
}
return ts.forEachChild(node, cb);
};
return ts.forEachChild(sourceFile, cb);
};
ObjectLiteralKeyQuotesWalker.prototype.reportMissing = function (node) {
var start = node.getStart(this.sourceFile);
this.addFailure(start, node.end, Rule.UNQUOTED_PROPERTY(node.text), Lint.Replacement.replaceFromTo(start, node.end, "\"" + node.text + "\""));
};
ObjectLiteralKeyQuotesWalker.prototype.reportUnnecessary = function (node) {
this.addFailureAtNode(node, Rule.UNNEEDED_QUOTES(node.text), Lint.Replacement.replaceNode(node, node.text, this.sourceFile));
};
return ObjectLiteralKeyQuotesWalker;
}(Lint.AbstractWalker));
function mapPropertyName(property) {
if (property.kind === ts.SyntaxKind.ShorthandPropertyAssignment ||
property.kind === ts.SyntaxKind.SpreadAssignment ||
property.name.kind === ts.SyntaxKind.ComputedPropertyName) {
return undefined;
}
return property.name;
}
function hasInconsistentQuotes(properties) {
if (properties.length < 2) {
return false;
}
var quoted = properties[0].kind === ts.SyntaxKind.StringLiteral;
for (var i = 1; i < properties.length; ++i) {
if (quoted !== (properties[i].kind === ts.SyntaxKind.StringLiteral)) {
return true;
}
}
return false;
}
var _a, _b;