summaryrefslogtreecommitdiff
path: root/tools/node_modules/babel-eslint/node_modules/@babel/traverse/lib/path/inference/index.js
diff options
context:
space:
mode:
Diffstat (limited to 'tools/node_modules/babel-eslint/node_modules/@babel/traverse/lib/path/inference/index.js')
-rw-r--r--tools/node_modules/babel-eslint/node_modules/@babel/traverse/lib/path/inference/index.js126
1 files changed, 126 insertions, 0 deletions
diff --git a/tools/node_modules/babel-eslint/node_modules/@babel/traverse/lib/path/inference/index.js b/tools/node_modules/babel-eslint/node_modules/@babel/traverse/lib/path/inference/index.js
new file mode 100644
index 0000000000..30d125c20c
--- /dev/null
+++ b/tools/node_modules/babel-eslint/node_modules/@babel/traverse/lib/path/inference/index.js
@@ -0,0 +1,126 @@
+"use strict";
+
+exports.__esModule = true;
+exports.getTypeAnnotation = getTypeAnnotation;
+exports._getTypeAnnotation = _getTypeAnnotation;
+exports.isBaseType = isBaseType;
+exports.couldBeBaseType = couldBeBaseType;
+exports.baseTypeStrictlyMatches = baseTypeStrictlyMatches;
+exports.isGenericType = isGenericType;
+
+var inferers = _interopRequireWildcard(require("./inferers"));
+
+var t = _interopRequireWildcard(require("@babel/types"));
+
+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)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+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)) {
+ var _arr = type.types;
+
+ for (var _i = 0; _i < _arr.length; _i++) {
+ var type2 = _arr[_i];
+
+ 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
+ });
+} \ No newline at end of file