lepu-test-platform-web/node_modules/babel-traverse/lib/path/inference/inferers.js

195 lines
5.4 KiB
JavaScript

"use strict";
exports.__esModule = true;
exports.ClassDeclaration = exports.ClassExpression = exports.FunctionDeclaration = exports.ArrowFunctionExpression = exports.FunctionExpression = exports.Identifier = undefined;
var _infererReference = require("./inferer-reference");
Object.defineProperty(exports, "Identifier", {
enumerable: true,
get: function get() {
return _interopRequireDefault(_infererReference).default;
}
});
exports.VariableDeclarator = VariableDeclarator;
exports.TypeCastExpression = TypeCastExpression;
exports.NewExpression = NewExpression;
exports.TemplateLiteral = TemplateLiteral;
exports.UnaryExpression = UnaryExpression;
exports.BinaryExpression = BinaryExpression;
exports.LogicalExpression = LogicalExpression;
exports.ConditionalExpression = ConditionalExpression;
exports.SequenceExpression = SequenceExpression;
exports.AssignmentExpression = AssignmentExpression;
exports.UpdateExpression = UpdateExpression;
exports.StringLiteral = StringLiteral;
exports.NumericLiteral = NumericLiteral;
exports.BooleanLiteral = BooleanLiteral;
exports.NullLiteral = NullLiteral;
exports.RegExpLiteral = RegExpLiteral;
exports.ObjectExpression = ObjectExpression;
exports.ArrayExpression = ArrayExpression;
exports.RestElement = RestElement;
exports.CallExpression = CallExpression;
exports.TaggedTemplateExpression = TaggedTemplateExpression;
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function VariableDeclarator() {
var id = this.get("id");
if (id.isIdentifier()) {
return this.get("init").getTypeAnnotation();
} else {
return;
}
}
function TypeCastExpression(node) {
return node.typeAnnotation;
}
TypeCastExpression.validParent = true;
function NewExpression(node) {
if (this.get("callee").isIdentifier()) {
return t.genericTypeAnnotation(node.callee);
}
}
function TemplateLiteral() {
return t.stringTypeAnnotation();
}
function UnaryExpression(node) {
var operator = node.operator;
if (operator === "void") {
return t.voidTypeAnnotation();
} else if (t.NUMBER_UNARY_OPERATORS.indexOf(operator) >= 0) {
return t.numberTypeAnnotation();
} else if (t.STRING_UNARY_OPERATORS.indexOf(operator) >= 0) {
return t.stringTypeAnnotation();
} else if (t.BOOLEAN_UNARY_OPERATORS.indexOf(operator) >= 0) {
return t.booleanTypeAnnotation();
}
}
function BinaryExpression(node) {
var operator = node.operator;
if (t.NUMBER_BINARY_OPERATORS.indexOf(operator) >= 0) {
return t.numberTypeAnnotation();
} else if (t.BOOLEAN_BINARY_OPERATORS.indexOf(operator) >= 0) {
return t.booleanTypeAnnotation();
} else if (operator === "+") {
var right = this.get("right");
var left = this.get("left");
if (left.isBaseType("number") && right.isBaseType("number")) {
return t.numberTypeAnnotation();
} else if (left.isBaseType("string") || right.isBaseType("string")) {
return t.stringTypeAnnotation();
}
return t.unionTypeAnnotation([t.stringTypeAnnotation(), t.numberTypeAnnotation()]);
}
}
function LogicalExpression() {
return t.createUnionTypeAnnotation([this.get("left").getTypeAnnotation(), this.get("right").getTypeAnnotation()]);
}
function ConditionalExpression() {
return t.createUnionTypeAnnotation([this.get("consequent").getTypeAnnotation(), this.get("alternate").getTypeAnnotation()]);
}
function SequenceExpression() {
return this.get("expressions").pop().getTypeAnnotation();
}
function AssignmentExpression() {
return this.get("right").getTypeAnnotation();
}
function UpdateExpression(node) {
var operator = node.operator;
if (operator === "++" || operator === "--") {
return t.numberTypeAnnotation();
}
}
function StringLiteral() {
return t.stringTypeAnnotation();
}
function NumericLiteral() {
return t.numberTypeAnnotation();
}
function BooleanLiteral() {
return t.booleanTypeAnnotation();
}
function NullLiteral() {
return t.nullLiteralTypeAnnotation();
}
function RegExpLiteral() {
return t.genericTypeAnnotation(t.identifier("RegExp"));
}
function ObjectExpression() {
return t.genericTypeAnnotation(t.identifier("Object"));
}
function ArrayExpression() {
return t.genericTypeAnnotation(t.identifier("Array"));
}
function RestElement() {
return ArrayExpression();
}
RestElement.validParent = true;
function Func() {
return t.genericTypeAnnotation(t.identifier("Function"));
}
exports.FunctionExpression = Func;
exports.ArrowFunctionExpression = Func;
exports.FunctionDeclaration = Func;
exports.ClassExpression = Func;
exports.ClassDeclaration = Func;
function CallExpression() {
return resolveCall(this.get("callee"));
}
function TaggedTemplateExpression() {
return resolveCall(this.get("tag"));
}
function resolveCall(callee) {
callee = callee.resolve();
if (callee.isFunction()) {
if (callee.is("async")) {
if (callee.is("generator")) {
return t.genericTypeAnnotation(t.identifier("AsyncIterator"));
} else {
return t.genericTypeAnnotation(t.identifier("Promise"));
}
} else {
if (callee.node.returnType) {
return callee.node.returnType;
} else {}
}
}
}