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React application developer guide

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Kasun Thennakoon edited this page Aug 16, 2019 · 25 revisions

Table of content

* Note: Although most of the examples given here point to APIM Publisher application, the Same method should be applied/used in APIM Store application as well. If you see contradictory behavior in Publisher and Store apps, This could be a bug. Please report it in Github issues

Prerequisites

You should have NPM (minimum 5.7.0) and Node.js (minimum 8.12.0) installed.

Building the UI(SPA) applications

We have two build options

Extending or modifying a React applications

Extention model

Accessibility

We should follow the guidelines given in following standard documentation. It also contains a set of examples for checkout. React documentation also contains some examples for implementing web accessibility support using React JSX syntax.

Internationalisation (I18n)

Checkout the i18n wiki page for more information

Props validation

Please add props validation for nested objects as well. Otherwise, we will never be able to bump this plugin version

User experience design

When placing an Action and Cancel button pair i:e

image

Place the Action to the left of the Cancel button.

Troubleshoot guide

No page content, Only page load animation and no errors in console either.

Most probably you would have missed a class or function export in somewhere in the code. This is a known issue and will be fixed in a later release. If you couldn't figure out where is the issue, You can temporally change the render element in here to directly imported ProtectedApp component. For example, use the following import in Publisher.jsx

import PA from './app/ProtectedApp';

and change the below line

                            <Route
                                render={() => {
-                                    return <LoadableProtectedApp user={user} />;
+                                    return <PA user={user} />;
                                }}

Save the changes and run a dev build

npm run build:dev

Now you will able to see the actual exception which breaks the page load.

Production build fails with in

npm run build:prod

> wso2_apim_publisher@3.0.0 i18n /Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/p
ublisher-new
> extract-messages -l=en,fr -o site/public/locales/ -d en --extractFromFormatMessageCall --flat 'source/src/app/**/*.jsx'

SyntaxError: /Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/publisher-new/source/
src/app/components/Apis/Details/Resources/Resources.jsx: [React Intl] Duplicate message id: "Apis.Details.Resources.Resources.assign.advanced.throttling.perApi", but the `descript
ion` and/or `defaultMessage` are different.
  676 |                                             defaultMessage: 'Apply per API',
  677 |                                         })} />
> 678 |                                         <FormControlLabel value="perResource" control={<Radio />} label={intl.formatMessage({
      |                                                                                                                             ^
  679 |                                             id: 'Apis.Details.Resources.Resources.assign.advanced.throttling.perApi',
  680 |                                             defaultMessage: 'Apply per Resource',
  681 |                                         })} />
    at File.buildCodeFrameError (/Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/p
ublisher-new/node_modules/@babel/core/lib/transformation/file/file.js:261:12)
    at NodePath.buildCodeFrameError (/Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resourc
es/publisher-new/node_modules/@babel/traverse/lib/path/index.js:157:21)
    at storeMessage (/Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/publisher-new
/node_modules/babel-plugin-react-intl/dist/index.js:125:24)
    at processMessageObject (/Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/publi
sher-new/node_modules/babel-plugin-react-intl/dist/index.js:297:21)
    at PluginPass.CallExpression (/Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/publisher-new/node_modules/babel-plugin-react-intl/dist/index.js:323:25)
    at newFn (/Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/publisher-new/node_modules/@babel/traverse/lib/visitors.js:193:21)
    at NodePath._call (/Users/tmkasun/Documents/wso2/dev/products/apim/carbon-apimgt-forked/features/apimgt/org.wso2.carbon.apimgt.publisher.feature/src/main/resources/publisher-n
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