react-on-rails/lib/generateRenderingErrorMessage.js

react-on-rails JavaScript for react_on_rails Ruby gem

function handleRenderFunctionIssue(options) {
    const { e, name } = options;
    let msg = '';
    if (name) {
        const lastLine = 'A Render-Function takes a single arg of props (and the location for React Router) ' +
            'and returns a ReactElement.';
        let shouldBeRenderFunctionError = `ERROR: ReactOnRails is incorrectly detecting Render-Function to be false. \
The React component '${name}' seems to be a Render-Function.\n${lastLine}`;
        const reMatchShouldBeGeneratorError = /Can't add property context, object is not extensible/;
        if (reMatchShouldBeGeneratorError.test(e.message)) {
            msg += `${shouldBeRenderFunctionError}\n\n`;
            console.error(shouldBeRenderFunctionError);
        }
        shouldBeRenderFunctionError = `ERROR: ReactOnRails is incorrectly detecting renderFunction to be true, \
but the React component '${name}' is not a Render-Function.\n${lastLine}`;
        const reMatchShouldNotBeGeneratorError = /Cannot call a class as a function/;
        if (reMatchShouldNotBeGeneratorError.test(e.message)) {
            msg += `${shouldBeRenderFunctionError}\n\n`;
            console.error(shouldBeRenderFunctionError);
        }
    }
    return msg;
}
const generateRenderingErrorMessage = (options) => {
    const { e, jsCode, serverSide } = options;
    console.error('Exception in rendering!');
    let msg = handleRenderFunctionIssue(options);
    if (jsCode) {
        console.error(`JS code was: ${jsCode}`);
    }
    if (e.fileName) {
        console.error(`location: ${e.fileName}:${e.lineNumber}`);
    }
    console.error(`message: ${e.message}`);
    console.error(`stack: ${e.stack}`);
    if (serverSide) {
        msg += `Exception in rendering!
${e.fileName ? `\nlocation: ${e.fileName}:${e.lineNumber}` : ''}
Message: ${e.message}

${e.stack}`;
        return msg;
    }
    return 'undefined';
};
export default generateRenderingErrorMessage;
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