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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports._getTypeAnnotation = _getTypeAnnotation;
exports.baseTypeStrictlyMatches = baseTypeStrictlyMatches;
exports.couldBeBaseType = couldBeBaseType;
exports.getTypeAnnotation = getTypeAnnotation;
exports.isBaseType = isBaseType;
exports.isGenericType = isGenericType;
var inferers = require("./inferers");
var _t = require("@babel/types");
const {
anyTypeAnnotation,
isAnyTypeAnnotation,
isBooleanTypeAnnotation,
isEmptyTypeAnnotation,
isFlowBaseAnnotation,
isGenericTypeAnnotation,
isIdentifier,
isMixedTypeAnnotation,
isNumberTypeAnnotation,
isStringTypeAnnotation,
isTypeAnnotation,
isUnionTypeAnnotation,
isVoidTypeAnnotation,
stringTypeAnnotation,
voidTypeAnnotation
} = _t;
function getTypeAnnotation() {
if (this.typeAnnotation) return this.typeAnnotation;
let type = this._getTypeAnnotation() || anyTypeAnnotation();
if (isTypeAnnotation(type)) type = type.typeAnnotation;
return this.typeAnnotation = type;
}
const typeAnnotationInferringNodes = new WeakSet();
function _getTypeAnnotation() {
const node = this.node;
if (!node) {
if (this.key === "init" && this.parentPath.isVariableDeclarator()) {
const declar = this.parentPath.parentPath;
const declarParent = declar.parentPath;
if (declar.key === "left" && declarParent.isForInStatement()) {
return stringTypeAnnotation();
}
if (declar.key === "left" && declarParent.isForOfStatement()) {
return anyTypeAnnotation();
}
return voidTypeAnnotation();
} else {
return;
}
}
if (node.typeAnnotation) {
return node.typeAnnotation;
}
if (typeAnnotationInferringNodes.has(node)) {
return;
}
typeAnnotationInferringNodes.add(node);
try {
var _inferer;
let inferer = inferers[node.type];
if (inferer) {
return inferer.call(this, node);
}
inferer = inferers[this.parentPath.type];
if ((_inferer = inferer) != null && _inferer.validParent) {
return this.parentPath.getTypeAnnotation();
}
} finally {
typeAnnotationInferringNodes.delete(node);
}
}
function isBaseType(baseName, soft) {
return _isBaseType(baseName, this.getTypeAnnotation(), soft);
}
function _isBaseType(baseName, type, soft) {
if (baseName === "string") {
return isStringTypeAnnotation(type);
} else if (baseName === "number") {
return isNumberTypeAnnotation(type);
} else if (baseName === "boolean") {
return isBooleanTypeAnnotation(type);
} else if (baseName === "any") {
return isAnyTypeAnnotation(type);
} else if (baseName === "mixed") {
return isMixedTypeAnnotation(type);
} else if (baseName === "empty") {
return isEmptyTypeAnnotation(type);
} else if (baseName === "void") {
return isVoidTypeAnnotation(type);
} else {
if (soft) {
return false;
} else {
throw new Error(`Unknown base type ${baseName}`);
}
}
}
function couldBeBaseType(name) {
const type = this.getTypeAnnotation();
if (isAnyTypeAnnotation(type)) return true;
if (isUnionTypeAnnotation(type)) {
for (const type2 of type.types) {
if (isAnyTypeAnnotation(type2) || _isBaseType(name, type2, true)) {
return true;
}
}
return false;
} else {
return _isBaseType(name, type, true);
}
}
function baseTypeStrictlyMatches(rightArg) {
const left = this.getTypeAnnotation();
const right = rightArg.getTypeAnnotation();
if (!isAnyTypeAnnotation(left) && isFlowBaseAnnotation(left)) {
return right.type === left.type;
}
return false;
}
function isGenericType(genericName) {
const type = this.getTypeAnnotation();
return isGenericTypeAnnotation(type) && isIdentifier(type.id, {
name: genericName
});
}