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142 lines
4.0 KiB
JavaScript

5 years ago
"use strict";
exports.__esModule = true;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.getTypeAnnotation = getTypeAnnotation;
exports._getTypeAnnotation = _getTypeAnnotation;
exports.isBaseType = isBaseType;
exports.couldBeBaseType = couldBeBaseType;
exports.baseTypeStrictlyMatches = baseTypeStrictlyMatches;
exports.isGenericType = isGenericType;
var _inferers = require("./inferers");
var inferers = _interopRequireWildcard(_inferers);
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 getTypeAnnotation() {
if (this.typeAnnotation) return this.typeAnnotation;
var type = this._getTypeAnnotation() || t.anyTypeAnnotation();
if (t.isTypeAnnotation(type)) type = type.typeAnnotation;
return this.typeAnnotation = type;
}
function _getTypeAnnotation() {
var node = this.node;
if (!node) {
if (this.key === "init" && this.parentPath.isVariableDeclarator()) {
var declar = this.parentPath.parentPath;
var declarParent = declar.parentPath;
if (declar.key === "left" && declarParent.isForInStatement()) {
return t.stringTypeAnnotation();
}
if (declar.key === "left" && declarParent.isForOfStatement()) {
return t.anyTypeAnnotation();
}
return t.voidTypeAnnotation();
} else {
return;
}
}
if (node.typeAnnotation) {
return node.typeAnnotation;
}
var inferer = inferers[node.type];
if (inferer) {
return inferer.call(this, node);
}
inferer = inferers[this.parentPath.type];
if (inferer && inferer.validParent) {
return this.parentPath.getTypeAnnotation();
}
}
function isBaseType(baseName, soft) {
return _isBaseType(baseName, this.getTypeAnnotation(), soft);
}
function _isBaseType(baseName, type, soft) {
if (baseName === "string") {
return t.isStringTypeAnnotation(type);
} else if (baseName === "number") {
return t.isNumberTypeAnnotation(type);
} else if (baseName === "boolean") {
return t.isBooleanTypeAnnotation(type);
} else if (baseName === "any") {
return t.isAnyTypeAnnotation(type);
} else if (baseName === "mixed") {
return t.isMixedTypeAnnotation(type);
} else if (baseName === "empty") {
return t.isEmptyTypeAnnotation(type);
} else if (baseName === "void") {
return t.isVoidTypeAnnotation(type);
} else {
if (soft) {
return false;
} else {
throw new Error("Unknown base type " + baseName);
}
}
}
function couldBeBaseType(name) {
var type = this.getTypeAnnotation();
if (t.isAnyTypeAnnotation(type)) return true;
if (t.isUnionTypeAnnotation(type)) {
for (var _iterator = type.types, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var type2 = _ref;
if (t.isAnyTypeAnnotation(type2) || _isBaseType(name, type2, true)) {
return true;
}
}
return false;
} else {
return _isBaseType(name, type, true);
}
}
function baseTypeStrictlyMatches(right) {
var left = this.getTypeAnnotation();
right = right.getTypeAnnotation();
if (!t.isAnyTypeAnnotation(left) && t.isFlowBaseAnnotation(left)) {
return right.type === left.type;
}
}
function isGenericType(genericName) {
var type = this.getTypeAnnotation();
return t.isGenericTypeAnnotation(type) && t.isIdentifier(type.id, { name: genericName });
}