react-system | Flex box system for react based on emotion | Frontend Framework library
kandi X-RAY | react-system Summary
kandi X-RAY | react-system Summary
The Box component handles size, margin and padding. It has the following initial styles. Sets width and height, where numbers 0-1 are percentage values, and strings are raw CSS values with units. Pass an array to set different widths at different breakpoints for responsive styles. Both margin and padding props accept numbers, strings, and arrays as values. Using a number from 0-7 (i.e. an index of context.spaces) will reference a step on the spacing scale. Negative Numbers can be used to set negative margins and compensate for grid gutters. Strings are passed directly for other valid CSS values. Use array values to set different margin or padding values per breakpoint for responsive styles. Margin and padding props follow a shorthand syntax for specifying direction. Pass styles to emotion. This is useful as an escape hatch for one-off styles. The Flex component extends the Box component and sets display flex.
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QUESTION
I'm using NodeJS with express, consign, body-parser, etc.
I'm trying to load a module in a var, so i can use their functions, but i'm getting a:
TypeError: Cannot read property 'listar' of undefined
at app.get (/home/sartori/Documentos/Projetos/react-system/api/controllers/autores.js:6:11)
at Layer.handle [as handle_request] (/home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/layer.js:95:5)
at next (/home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/route.js:137:13)
at Route.dispatch (/home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/route.js:112:3)
at Layer.handle [as handle_request] (/home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/layer.js:95:5)
at /home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/index.js:281:22
at Function.process_params (/home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/index.js:335:12)
at next (/home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/index.js:275:10)
at /home/sartori/Documentos/Projetos/react-system/api/node_modules/express-validator/lib/express_validator.js:250:5
at Layer.handle [as handle_request] (/home/sartori/Documentos/Projetos/react-system/api/node_modules/express/lib/router/layer.js:95:5)
Here's my controller:
...ANSWER
Answered 2018-Jun-13 at 22:41You need to be using the 'new' keyword if you are going to format your object constructor function in that manner. You will have to reformat your AutoresDao function to explicitly return an object, or use the 'new' keyword when you assign it to autores in the controller.
Please checkout this article for an explanation of the different instantiation patterns.
https://medium.com/dailyjs/instantiation-patterns-in-javascript-8fdcf69e8f9b
Hope that helps! Cheers.
QUESTION
I am having issues integrating react-system-notification module in my app, having read the documentation about Reason React Ref I am not sure why the reference is not passed down the stack; a hint would be much appreciated.
I keep getting the error below, I have used this component in the past in React but it seems that there is some issue when used in ReasonML/React. I suspect a null reference is passed down which breaks the component.
Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. You likely forgot to export your component from the file it's defined in, or you might have mixed up default and named imports.
Check the render method of
Notifications
.
Binding:
...ANSWER
Answered 2017-Dec-28 at 12:21My guess would be that react-notification-system
is not distributed as an es6 component, and therefore does not export default
. Try removing default
from the external:
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