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Completed return types for all NodePath family methods (#5739) [skip ci]

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This commit is contained in:
Mauro Bringolf 2017-05-19 20:52:13 +02:00 committed by Henry Zhu
parent ce6f67216e
commit 943b7371a1
1 changed files with 8 additions and 8 deletions
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16
packages/babel-traverse/src/path/ancestry.js
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@ -8,7 +8,7 @@ import NodePath from "./index";
* When the `callback` returns a truthy value, we return that node path.
*/
export function findParent(callback) {
export function findParent(callback) : ?NodePath {
let path = this;
while (path = path.parentPath) {
if (callback(path)) return path;
@ -20,7 +20,7 @@ export function findParent(callback) {
* Description
*/
export function find(callback) {
export function find(callback) : ?NodePath {
let path = this;
do {
if (callback(path)) return path;
@ -32,7 +32,7 @@ export function find(callback) {
* Get the parent function of the current path.
*/
export function getFunctionParent() {
export function getFunctionParent() : ?NodePath {
return this.findParent((path) => path.isFunction() || path.isProgram());
}
@ -40,7 +40,7 @@ export function getFunctionParent() {
* Walk up the tree until we hit a parent node path in a list.
*/
export function getStatementParent() {
export function getStatementParent() : NodePath {
let path = this;
do {
if (Array.isArray(path.container)) {
@ -166,7 +166,7 @@ export function getDeepestCommonAncestorFrom(paths: Array<NodePath>, filter?: Fu
* NOTE: The current node path is included in this.
*/
export function getAncestry() {
export function getAncestry() : Array<NodePath> {
let path = this;
const paths = [];
do {
@ -178,18 +178,18 @@ export function getAncestry() {
/**
* A helper to find if `this` path is an ancestor of @param maybeDescendant
*/
export function isAncestor(maybeDescendant) {
export function isAncestor(maybeDescendant : NodePath) : boolean {
return maybeDescendant.isDescendant(this);
}
/**
* A helper to find if `this` path is a descendant of @param maybeAncestor
*/
export function isDescendant(maybeAncestor) {
export function isDescendant(maybeAncestor : NodePath) : boolean {
return !!this.findParent((parent) => parent === maybeAncestor);
}
export function inType() {
export function inType() : boolean {
let path = this;
while (path) {
for (const type of (arguments: Array)) {