Make sure element is reported correctly by tree devtool
This adds some tests for getElement() and verifies that it works for text components too. The code that calls the instrumentation is fixed where necessary so that the tests pass.
Dan Abramov committed
May 17, 2016 at 19:05 UTC
1070b4aa6c583cb87f67b88afa6896841f70d657
5 files changed
+39
-45
src/isomorphic/devtools/__tests__/ReactComponentTreeDevtool-test.js
-4
@@ -268,7 +268,6 @@ describe('ReactComponentTreeDevtool', () => {
268
displayName: 'p',
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children: [{
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displayName: 'span',
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- element: <span>Hi!</span>,
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children: [{
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displayName: '#text',
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text: 'Hi!',
@@ -353,12 +352,10 @@ describe('ReactComponentTreeDevtool', () => {
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}],
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}, {
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displayName: 'Bar',
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- element: <Bar><span>Hi,</span>Mom</Bar>,
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children: [{
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displayName: 'h1',
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children: [{
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displayName: 'span',
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- element: <span>Hi,</span>,
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children: [{
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displayName: '#text',
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element: 'Hi,',
@@ -372,7 +369,6 @@ describe('ReactComponentTreeDevtool', () => {
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}],
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}, {
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displayName: 'a',
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- element: <a href="#">Click me.</a>,
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children: [{
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displayName: '#text',
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text: 'Click me.',
src/isomorphic/devtools/__tests__/ReactComponentTreeDevtool-test.native.js
-3
@@ -277,10 +277,8 @@ describe('ReactComponentTreeDevtool', () => {
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element,
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children: [{
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displayName: 'View',
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- element: <View><Text>Hi!</Text></View>,
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children: [{
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displayName: 'Text',
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- element: <Text>Hi!</Text>,
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children: [{
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displayName: 'RCText',
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children: [{
@@ -369,7 +367,6 @@ describe('ReactComponentTreeDevtool', () => {
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displayName: 'View',
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children: [{
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displayName: 'Text',
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- element: <Text>Hi,</Text>,
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children: [{
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displayName: 'RCText',
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children: [{
src/renderers/dom/shared/ReactDOMComponent.js
+26
-15
@@ -248,16 +248,34 @@ function optionPostMount() {
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var setContentChildForInstrumentation = emptyFunction;
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if (__DEV__) {
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- setContentChildForInstrumentation = function(contentToUse) {
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+ setContentChildForInstrumentation = function(content) {
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+ var hasExistingContent = this._contentDebugID != null;
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var debugID = this._debugID;
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var contentDebugID = debugID + '#text';
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+
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+ if (content == null) {
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+ if (hasExistingContent) {
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+ ReactInstrumentation.debugTool.onUnmountComponent(this._contentDebugID);
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+ }
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+ this._contentDebugID = null;
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+ return;
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+ }
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+
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this._contentDebugID = contentDebugID;
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+ var text = '' + content;
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+
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ReactInstrumentation.debugTool.onSetDisplayName(contentDebugID, '#text');
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ReactInstrumentation.debugTool.onSetParent(contentDebugID, debugID);
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- ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID);
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- ReactInstrumentation.debugTool.onSetText(contentDebugID, '' + contentToUse);
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- ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
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- ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
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+ ReactInstrumentation.debugTool.onSetText(contentDebugID, text);
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+
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+ if (hasExistingContent) {
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+ ReactInstrumentation.debugTool.onBeforeUpdateComponent(contentDebugID, content);
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+ ReactInstrumentation.debugTool.onUpdateComponent(contentDebugID);
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+ } else {
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+ ReactInstrumentation.debugTool.onBeforeMountComponent(contentDebugID, content);
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+ ReactInstrumentation.debugTool.onMountComponent(contentDebugID);
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+ ReactInstrumentation.debugTool.onSetChildren(debugID, [contentDebugID]);
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+ }
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};
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}
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@@ -468,7 +486,7 @@ function ReactDOMComponent(element) {
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this._flags = 0;
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if (__DEV__) {
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this._ancestorInfo = null;
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- this._contentDebugID = null;
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+ setContentChildForInstrumentation.call(this, null);
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}
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}
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@@ -1042,7 +1060,6 @@ ReactDOMComponent.Mixin = {
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if (lastContent !== nextContent) {
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this.updateTextContent('' + nextContent);
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if (__DEV__) {
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- this._contentDebugID = this._debugID + '#text';
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setContentChildForInstrumentation.call(this, nextContent);
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}
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}
@@ -1055,10 +1072,7 @@ ReactDOMComponent.Mixin = {
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}
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} else if (nextChildren != null) {
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if (__DEV__) {
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- if (this._contentDebugID) {
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- ReactInstrumentation.debugTool.onUnmountComponent(this._contentDebugID);
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- this._contentDebugID = null;
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- }
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+ setContentChildForInstrumentation.call(this, null);
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}
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this.updateChildren(nextChildren, transaction, context);
@@ -1124,10 +1138,7 @@ ReactDOMComponent.Mixin = {
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this._wrapperState = null;
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if (__DEV__) {
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- if (this._contentDebugID) {
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- ReactInstrumentation.debugTool.onUnmountComponent(this._contentDebugID);
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- this._contentDebugID = null;
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- }
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+ setContentChildForInstrumentation.call(this, null);
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}
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},
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src/renderers/shared/stack/reconciler/ReactReconciler.js
+8
-8
@@ -46,14 +46,14 @@ var ReactReconciler = {
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) {
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if (__DEV__) {
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if (internalInstance._debugID !== 0) {
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- ReactInstrumentation.debugTool.onBeginReconcilerTimer(
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- internalInstance._debugID,
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- 'mountComponent'
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- );
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ReactInstrumentation.debugTool.onBeforeMountComponent(
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internalInstance._debugID,
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internalInstance._currentElement
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);
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+ ReactInstrumentation.debugTool.onBeginReconcilerTimer(
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+ internalInstance._debugID,
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+ 'mountComponent'
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+ );
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}
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}
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var markup = internalInstance.mountComponent(
@@ -150,13 +150,13 @@ var ReactReconciler = {
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if (__DEV__) {
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if (internalInstance._debugID !== 0) {
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- ReactInstrumentation.debugTool.onBeginReconcilerTimer(
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+ ReactInstrumentation.debugTool.onBeforeUpdateComponent(
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internalInstance._debugID,
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- 'receiveComponent'
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+ nextElement
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);
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- ReactInstrumentation.debugTool.onBeforeUpdateComponent(
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+ ReactInstrumentation.debugTool.onBeginReconcilerTimer(
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internalInstance._debugID,
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- internalInstance._currentElement
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+ 'receiveComponent'
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);
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}
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}
src/test/ReactComponentTreeTestUtils.js
+5
-15
@@ -11,7 +11,6 @@
11
12
'use strict';
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-var ReactChildren = require('ReactChildren');
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var ReactComponentTreeDevtool = require('ReactComponentTreeDevtool');
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function getRootDisplayNames() {
@@ -24,17 +23,6 @@ function getRegisteredDisplayNames() {
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.map(ReactComponentTreeDevtool.getDisplayName);
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}
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27
-function stripElement(element) {
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- if (!element || !element.props) {
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- return element;
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- }
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- return {
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- props: element.props,
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- type: element.type,
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- children: ReactChildren.map(element.children, stripElement),
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- };
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-}
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-
26
function expectTree(rootID, expectedTree, parentPath) {
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var displayName = ReactComponentTreeDevtool.getDisplayName(rootID);
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var ownerID = ReactComponentTreeDevtool.getOwnerID(rootID);
@@ -80,10 +68,12 @@ function expectTree(rootID, expectedTree, parentPath) {
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expectEqual(text, null, 'text');
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}
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if (expectedTree.element !== undefined) {
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+ // TODO: Comparing elements makes tests run out of memory on errors.
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+ // For now, compare just types.
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expectEqual(
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- stripElement(element),
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- stripElement(expectedTree.element),
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- 'element'
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+ element && element.type,
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+ expectedTree.element && expectedTree.element.type,
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+ 'element.type'
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);
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} else if (text == null) {
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expectEqual(typeof element, 'object', 'typeof element');