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Add percentage support to react native
Summary:
Adds support for percentage value in react native.
syntax: property: 100 | property | '100%'
supported properties:
padding
margin
width
height
minWidth
minHeight
maxWidth
maxHeight
flexBasis
```
class Playground extends React.Component {
render() {
return (
<View style={{backgroundColor: 'white', padding: 10, paddingTop: 30, height: '100%'}}>
<Text>
If you want to quickly test out something,
open the Playground.js file and start coding.
</Text>
<View style={{backgroundColor: 'red', height: 50, width: 50}}/>
<View style={{backgroundColor: 'blue', height: '50%', width: '50%'}}/>
</View>
);
}
}
```
Reviewed By: astreet
Differential Revision: D4376549
fbshipit-source-id: c41d68a7555396f95d063a7527ee081773ac56dc- Loading branch information
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46
Examples/UIExplorer/UIExplorerUnitTests/RCTConvert_YGValueTests.m
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /** | ||
| * The examples provided by Facebook are for non-commercial testing and | ||
| * evaluation purposes only. | ||
| * | ||
| * Facebook reserves all rights not expressly granted. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | ||
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGEMENT. IN NO EVENT SHALL | ||
| * FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | ||
| * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
| */ | ||
|
|
||
| #import <XCTest/XCTest.h> | ||
|
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||
| #import <React/RCTConvert.h> | ||
| #import <React/RCTUtils.h> | ||
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| @interface RCTConvert_YGValueTests : XCTestCase | ||
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| @end | ||
|
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| @implementation RCTConvert_YGValueTests | ||
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| - (void)testUndefined | ||
| { | ||
| YGValue value = [RCTConvert YGValue:nil]; | ||
| XCTAssertEqual(value.unit, YGUnitUndefined); | ||
| } | ||
|
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||
| - (void)testNumberPoints | ||
| { | ||
| YGValue value = [RCTConvert YGValue:@100]; | ||
| XCTAssertEqual(value.unit, YGUnitPixel); | ||
| XCTAssertEqual(value.value, 100); | ||
| } | ||
|
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||
| - (void)testStringPercent | ||
| { | ||
| YGValue value = [RCTConvert YGValue:@"100%"]; | ||
| XCTAssertEqual(value.unit, YGUnitPercent); | ||
| XCTAssertEqual(value.value, 100); | ||
| } | ||
|
|
||
| @end |
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Nice work
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@emilsjolander Can these values be animated with Animated? :O
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amazing work
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@henrikra i dont see why not. May need some changes in RN though
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@emilsjolander Maybe you should try and add example to the docs? Since this changes so many things
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@henrikra i know this is on the todo list for RN. Feel free to help us out with doc PRs :)
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@emilsjolander I tried this today and it worked nicely with width and height. When I tried like
left: 50%it did not work like expected. I am sure you know this already though :D3f49e74There was a problem hiding this comment.
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I did not. Please file an issue over at facebook/yoga
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@emilsjolander Look like it has to do something with
flexDirection: 'row'. Here is the issue I did: #12660 :) Tell me if you need more info.3f49e74There was a problem hiding this comment.
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I can't believe it's happening 😱 Great job @emilsjolander !!!
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@emilsjolander I am trying to use this on Android, with react-native v0.51.0 and got this error:
Error while updating property 'width' in shadow node of type: RCTViewnullInvalid float: "90%"
On iOS its working normally. I will open an issue ticket.
Thanks for this feature
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This is awesome! One question, any reason this is not documented yet? is it ready to use in production?
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This feature is really nice but the fact it remains undocumented for so long prevents me from using it on production