@parcel/babylon-walk - npm Package Compare versions

Comparing version 2.0.0-nightly.1799 to 2.0.0-nightly.1804

lib/explode.js

@@ -38,3 +38,5 @@ "use strict";
 function explode(visitor) {
-  if (visitor._exploded) return visitor;
+  // $FlowFixMe
+  if (visitor._exploded) return visitor; // $FlowFixMe
+
   visitor._exploded = true; // normalise pipes
@@ -92,4 +94,5 @@
     ensureCallbackArrays(visitor[nodeType]);
-  }
+  } // $FlowFixMe
 
+
   return visitor;
@@ -96,0 +99,0 @@ }

lib/index.js

@@ -9,2 +9,8 @@ "use strict";
 exports.recursive = recursive;
+Object.defineProperty(exports, "traverse", {
+  enumerable: true,
+  get: function () {
+    return _traverse.default;
+  }
+});
 
@@ -15,2 +21,4 @@ var t = _interopRequireWildcard(require("@babel/types"));
 
+var _traverse = _interopRequireDefault(require("./traverse"));
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
@@ -22,5 +30,5 @@
 
-function simple(node, visitors, state) {
+function simple(node, _visitors, state) {
   if (!node) return;
-  visitors = (0, _explode.default)(visitors);
+  const visitors = (0, _explode.default)(_visitors);
 
@@ -41,2 +49,3 @@ (function c(node) {
     for (let key of t.VISITOR_KEYS[node.type] || []) {
+      // $FlowFixMe
       let subNode = node[key];
@@ -61,5 +70,5 @@
 
-function ancestor(node, visitors, state) {
+function ancestor(node, _visitors, state) {
   if (!node) return;
-  visitors = (0, _explode.default)(visitors);
+  const visitors = (0, _explode.default)(_visitors);
   let ancestors = [];
@@ -78,2 +87,3 @@
       for (let visitor of enter) {
+        // $FlowFixMe
         visitor(node, state || ancestors, ancestors);
@@ -84,2 +94,3 @@ }
     for (let key of t.VISITOR_KEYS[node.type] || []) {
+      // $FlowFixMe
       let subNode = node[key];
@@ -98,2 +109,3 @@
       for (let visitor of exit) {
+        // $FlowFixMe
         visitor(node, state || ancestors, ancestors);
@@ -107,5 +119,5 @@ }
 
-function recursive(node, visitors, state) {
+function recursive(node, _visitors, state) {
   if (!node) return;
-  visitors = (0, _explode.default)(visitors);
+  const visitors = (0, _explode.default)(_visitors);
 
@@ -124,2 +136,3 @@ (function c(node) {
       for (let key of t.VISITOR_KEYS[node.type] || []) {
+        // $FlowFixMe
         let subNode = node[key];
@@ -126,0 +139,0 @@

package.json

 {
   "name": "@parcel/babylon-walk",
-  "version": "2.0.0-nightly.1799+db7e3a12",
+  "version": "2.0.0-nightly.1804+a1a2515f",
   "license": "MIT",
@@ -19,3 +19,3 @@ "publishConfig": {
   },
-  "gitHead": "db7e3a12105630abc44058bff7a88eb612f12e75"
+  "gitHead": "a1a2515ff8710c0ebc56fb6dc0aad72b6f6dec48"
 }

README.md

@@ -110,2 +110,10 @@ # babylon-walk
 
+### walk.traverse(node, visitors, state)
+
+Visitors get called as `(path, state)`. Every `Path` has these methods (similar to `@babel/traverse`):
+
+- `skip()`
+- `replaceWith(node)`
+- `remove()`
+
 [babel-types]: https://github.com/babel/babel/tree/master/packages/babel-types
@@ -112,0 +120,0 @@ [cache your visitors]: https://github.com/thejameskyle/babel-handbook/blob/master/translations/en/plugin-handbook.md#toc-optimizing-nested-visitors

src/explode.js

@@ -0,3 +1,5 @@
+// @flow
 // Copied from babel-traverse, but with virtual types handling removed
 // https://github.com/babel/babel/blob/07b3dc18a09f2217b38a3a63c8613add6df1b47d/packages/babel-traverse/src/visitors.js
+import type {Visitors, VisitorsExploded} from './index';
 
@@ -22,4 +24,6 @@ // import * as messages from 'babel-messages';
  */
-export default function explode(visitor) {
+export default function explode<T>(visitor: Visitors<T>): VisitorsExploded<T> {
+  // $FlowFixMe
   if (visitor._exploded) return visitor;
+  // $FlowFixMe
   visitor._exploded = true;
@@ -91,6 +95,7 @@
 
+  // $FlowFixMe
   return visitor;
 }
 
-export function verify(visitor) {
+export function verify(visitor: any) {
   if (visitor._verified) return;
@@ -152,3 +157,3 @@
 
-function ensureEntranceObjects(obj) {
+function ensureEntranceObjects(obj: any) {
   for (let key in obj) {
@@ -164,3 +169,3 @@ if (shouldIgnoreKey(key)) continue;
 
-function ensureCallbackArrays(obj) {
+function ensureCallbackArrays(obj: any) {
   if (obj.enter && !Array.isArray(obj.enter)) obj.enter = [obj.enter];
@@ -184,3 +189,3 @@ if (obj.exit && !Array.isArray(obj.exit)) obj.exit = [obj.exit];
 
-function mergePair(dest, src) {
+function mergePair(dest: any, src: any) {
   for (let key in src) {
@@ -187,0 +192,0 @@ dest[key] = [].concat(dest[key] || [], src[key]);

src/index.js

@@ -0,8 +1,30 @@
+// @flow
+import type {Node} from '@babel/types';
+
 import * as t from '@babel/types';
 import explode from './explode.js';
+import traverse from './traverse';
 
-export function simple(node, visitors, state) {
+export type Visitors<F> = {
+  [string]: F | {|enter?: F, exit?: F|},
+  shouldSkip?: Node => boolean,
+  ...
+};
+export type VisitorsExploded<F> = {
+  [string]: {|
+    enter?: Array<F>,
+    exit?: Array<F>,
+  |},
+  shouldSkip?: Node => boolean,
+  ...
+};
+
+export function simple<T>(
+  node: Node,
+  _visitors: Visitors<(any, T) => void>,
+  state: T,
+) {
   if (!node) return;
 
-  visitors = explode(visitors);
+  const visitors: VisitorsExploded<(any, T) => void> = explode(_visitors);
 
@@ -21,2 +43,3 @@ (function c(node) {
     for (let key of t.VISITOR_KEYS[node.type] || []) {
+      // $FlowFixMe
       let subNode = node[key];
@@ -40,6 +63,10 @@ if (Array.isArray(subNode)) {
 
-export function ancestor(node, visitors, state) {
+export function ancestor<T>(
+  node: Node,
+  _visitors: Visitors<(any, T, Array<Node>) => void>,
+  state: T,
+) {
   if (!node) return;
 
-  visitors = explode(visitors);
+  const visitors = explode<(any, T, Array<Node>) => void>(_visitors);
   let ancestors = [];
@@ -57,2 +84,3 @@
       for (let visitor of enter) {
+        // $FlowFixMe
         visitor(node, state || ancestors, ancestors);
@@ -63,2 +91,3 @@ }
     for (let key of t.VISITOR_KEYS[node.type] || []) {
+      // $FlowFixMe
       let subNode = node[key];
@@ -76,2 +105,3 @@ if (Array.isArray(subNode)) {
       for (let visitor of exit) {
+        // $FlowFixMe
         visitor(node, state || ancestors, ancestors);
@@ -85,6 +115,12 @@ }
 
-export function recursive(node, visitors, state) {
+export function recursive<T>(
+  node: Node,
+  _visitors: Visitors<(any, T, recurse: (Node) => void) => void>,
+  state: T,
+) {
   if (!node) return;
 
-  visitors = explode(visitors);
+  const visitors = explode<(any, T, recurse: (Node) => void) => void>(
+    _visitors,
+  );
 
@@ -102,2 +138,3 @@ (function c(node) {
       for (let key of t.VISITOR_KEYS[node.type] || []) {
+        // $FlowFixMe
         let subNode = node[key];
@@ -115,1 +152,3 @@ if (Array.isArray(subNode)) {
 }
+
+export {traverse};

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Improved metrics

Total package byte prevSize

32928

increased by27.2%

Number of package files

9

increased by28.57%

Lines of code

691

increased by45.17%

Number of lines in readme file

136

increased by6.25%

No dependency changes