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Updates from Wed 25 Mar

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- [RFC][ReactNative] Integrate dev menu directly into RootView | Alex Kotliarskyi
- flowify Libraries/ReactIOS | Marshall Roch
- [WIP] Added support for italics and additional font weights | Nick Lockwood
- [ReactNative] Improve View documentation | Christopher Chedeau
- [react-packager] Readme | Amjad Masad
- Fix for incorrect contentSize reported by RCTScrollView | Nick Lockwood
- [ReactNative] Flow and doc formatting for NetInfo | Eric Vicenti
- [ReactNative] Document AppStateIOS | Eric Vicenti
This commit is contained in:
Christopher Chedeau
2015-03-25 18:19:28 -07:00
parent bd64b14fbe
commit c7efc4dd11
51 changed files with 802 additions and 375 deletions
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100
Libraries/ReactIOS/diffRawProperties.js
View File

@@ -7,6 +7,7 @@
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule diffRawProperties
* @flow
*/
'use strict';
@@ -21,34 +22,41 @@
* previous. These properties are as supplied to component construction.
* @return {?object}
*/
function diffRawProperties(updatePayload, prevProps, nextProps, validAttributes) {
function diffRawProperties(
updatePayload: ?Object,
prevProps: ?Object,
nextProps: ?Object,
validAttributes: Object
): ?Object {
var validAttributeConfig;
var nextProp;
var prevProp;
var isScalar;
var shouldUpdate;
for (var propKey in nextProps) {
validAttributeConfig = validAttributes[propKey];
if (!validAttributeConfig) {
continue; // not a valid native prop
}
prevProp = prevProps && prevProps[propKey];
nextProp = nextProps[propKey];
if (prevProp !== nextProp) {
// If you want a property's diff to be detected, you must configure it
// to be so - *or* it must be a scalar property. For now, we'll allow
// creation with any attribute that is not scalar, but we should
// eventually even reject those unless they are properly configured.
isScalar = typeof nextProp !== 'object' || nextProp === null;
shouldUpdate = isScalar ||
!prevProp ||
validAttributeConfig.diff &&
validAttributeConfig.diff(prevProp, nextProp);
if (nextProps) {
for (var propKey in nextProps) {
validAttributeConfig = validAttributes[propKey];
if (!validAttributeConfig) {
continue; // not a valid native prop
}
prevProp = prevProps && prevProps[propKey];
nextProp = nextProps[propKey];
if (prevProp !== nextProp) {
// If you want a property's diff to be detected, you must configure it
// to be so - *or* it must be a scalar property. For now, we'll allow
// creation with any attribute that is not scalar, but we should
// eventually even reject those unless they are properly configured.
isScalar = typeof nextProp !== 'object' || nextProp === null;
shouldUpdate = isScalar ||
!prevProp ||
validAttributeConfig.diff &&
validAttributeConfig.diff(prevProp, nextProp);
if (shouldUpdate) {
updatePayload = updatePayload || {};
updatePayload[propKey] = nextProp;
if (shouldUpdate) {
updatePayload = updatePayload || {};
updatePayload[propKey] = nextProp;
}
}
}
}
@@ -56,31 +64,33 @@ function diffRawProperties(updatePayload, prevProps, nextProps, validAttributes)
// Also iterate through all the previous props to catch any that have been
// removed and make sure native gets the signal so it can reset them to the
// default.
for (var propKey in prevProps) {
validAttributeConfig = validAttributes[propKey];
if (!validAttributeConfig) {
continue; // not a valid native prop
}
if (updatePayload && updatePayload[propKey] !== undefined) {
continue; // Prop already specified
}
prevProp = prevProps[propKey];
nextProp = nextProps && nextProps[propKey];
if (prevProp !== nextProp) {
if (nextProp === undefined) {
nextProp = null; // null is a sentinel we explicitly send to native
if (prevProps) {
for (var propKey in prevProps) {
validAttributeConfig = validAttributes[propKey];
if (!validAttributeConfig) {
continue; // not a valid native prop
}
// If you want a property's diff to be detected, you must configure it
// to be so - *or* it must be a scalar property. For now, we'll allow
// creation with any attribute that is not scalar, but we should
// eventually even reject those unless they are properly configured.
isScalar = typeof nextProp !== 'object' || nextProp === null;
shouldUpdate = isScalar && prevProp !== nextProp ||
validAttributeConfig.diff &&
validAttributeConfig.diff(prevProp, nextProp);
if (shouldUpdate) {
updatePayload = updatePayload || {};
updatePayload[propKey] = nextProp;
if (updatePayload && updatePayload[propKey] !== undefined) {
continue; // Prop already specified
}
prevProp = prevProps[propKey];
nextProp = nextProps && nextProps[propKey];
if (prevProp !== nextProp) {
if (nextProp === undefined) {
nextProp = null; // null is a sentinel we explicitly send to native
}
// If you want a property's diff to be detected, you must configure it
// to be so - *or* it must be a scalar property. For now, we'll allow
// creation with any attribute that is not scalar, but we should
// eventually even reject those unless they are properly configured.
isScalar = typeof nextProp !== 'object' || nextProp === null;
shouldUpdate = isScalar && prevProp !== nextProp ||
validAttributeConfig.diff &&
validAttributeConfig.diff(prevProp, nextProp);
if (shouldUpdate) {
updatePayload = updatePayload || {};
updatePayload[propKey] = nextProp;
}
}
}
}