js-plugin | A general javascript plugin engine
kandi X-RAY | js-plugin Summary
kandi X-RAY | js-plugin Summary
js-plugin is a general and simple plugin engine for creating extensible and maintainable JavaScript applications for both browser and nodejs.
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Top functions reviewed by kandi - BETA
- Get prop value
- Check if property exists
- Checks if obj is a function .
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Trending Discussions on js-plugin
QUESTION
I have chartjs v2.9.3 in my Django app and it works great. Now I need to add a box to one of my charts using chartjs-plugin-annotation, and I've followed all the steps, but I can't get it to work. I've used chartjs-plugin-annotation v0.5.7 which is for v2.9.3. I get no errors in the console log. First, scripts with chart.js and plugins:
...ANSWER
Answered 2022-Apr-11 at 16:32This is because you putted the options in the place where they belong in V1 of the annotation plugin and the syntax too. For V0.5.7 the annotation options have to be placed in the root of the options and also all the annotations are an array instead of seperate objects:
QUESTION
Hello everybody and thanks in advance. I am using a multi line charts.js to compare follower data from different accounts. I managed to solve the dynamic filling of the graph with the following JS code:
...ANSWER
Answered 2022-Mar-31 at 08:36Your first image is as close as it can get with plain Chart.js with a single scale, Chart.js does not support scale breaks.
You can add a second Y axis and map the datasets to different scales:
QUESTION
I am trying to upgrade my chartjs to v3 and with that the annotations plugin. Tried a few different ways but just cannot seem to get the vertical annotation to show. Tried explicitilty adding xScaleID/yScaleID but I believe that in v3 x/y are the new defaults so would have expected those to be the defaults anyway.
Simplified the whole thing down to this JSFiddle
...ANSWER
Answered 2022-Mar-23 at 07:56First you configured the options in the wrong space, the plugin options have to go inside of the options object. The plugins section what you used is for an array containing inline plugins, secondly you need to include the annotation plugin after chart.js since chart.js needs to be loaded first because the annotation plugin uses some functions from chart.js:
QUESTION
I am trying to use Chart.js zoom in react and I keep getting this error. Here are my dependencies
...ANSWER
Answered 2022-Mar-17 at 11:24As described in the readme of the zoom plugin you need to use version 0.7.7 if you want to use it together with Chart.js V2. If you want to use the latest version of zoom you will need to update Chart.js to V3 but this has a lot of major breaking changes
For Chart.js 2.6.0 to 2.9.x support, use version 0.7.7 of this plugin.
To install a specific version of a lib you can specify it after it like so:
QUESTION
In this picture, I have to draw four charts, but there are spaces around the charts, and I don't know how to remove them.
...ANSWER
Answered 2022-Mar-15 at 13:32You can play with the zoomOutPercentage
in the root of the options object, by default this is set to 50:
QUESTION
I have a dummy webpage with a chart, but when i scroll my wheel the slightest I zoom all the way in. How can i limit the amount of zooming in. I tried using limit options in plugins->zoom but it zoomed in again all the way in and couldnt zoom out after that. I use chartjs version 3.7.1, zoom plugin version 1.2.0 and trying this on chrome and edge browsers.
...ANSWER
Answered 2022-Mar-14 at 12:49This is because of your limits you set and the scroll speed. In your limits you told the x to go to max 10 and you made the scroll speed 10 times the default. Setting this to the default and removing the verry aggresive limit on the x axis it works fine:
QUESTION
First of all, I would like to say that I'm a student learning programming for around a month, so expect to see many mistakes.
I'm working on a website where I use a chart from the ChartJs library. The data used for this chart is taken through requests to a server. I am working on making requests to the server every X number of seconds, so the data displayed on the chart gets updated automatically without having to refresh or do anything.
I would say I have most of it done, but I have a problem with ChartJs. I have the chart together with the request to server, all in one function which I then call on windows.onload
. I have used setInterval
to call this function every 5 seconds, and in practice this works, but I get this error :
Uncaught Error: Canvas is already in use. Chart with ID '0' must be destroyed before the canvas can be reused.
So I understand what is happening, I am trying to create the chart over and over again on the same canvas
element, and that of course doesn't work. I have seen about the destroy()
method and update()
method, but I haven't been able to find a solution for my specific case. If anyone could tell me any ideas on how to do this in this case, I would really appreciate it. Here is the code:
ANSWER
Answered 2021-Sep-15 at 16:55The first time you run your function, you're placing the chart (a.k.a "the returned value of new Chart()
") inside the outterChart
variable.
If you instantiate that variable outside of your function (in this case, outside chartRender
), its value will be preserved across multiple runs of the function, and you'll be able to choose whether or not to create the chart or just update it based on current value of outterChart
.
In principle:
QUESTION
I'm working in Vue 3 Composition and trying to draw a horizontal line across my ChartJS graph using the ChartJS annotation plugin. (https://www.chartjs.org/chartjs-plugin-annotation/latest/guide/types/line.html)
I'm using Primevue Chart component as the implementation of ChartJS.
I have imported import annotationPlugin from 'chartjs-plugin-annotation';
and import Chart from 'primevue/chart';
and made my component like:
ANSWER
Answered 2022-Mar-10 at 20:05We hit a similar problem and needed to make sure we globally register the annotation plugin in our project root.
Without this, the annotation silently fails just as you are describing:
QUESTION
I'd like each stacked bar to have their "total" label position just above the entire bar.
I've managed to get the sum, but I'm having trouble positioning the label at the top.
If you notice, the labels are positioned at the bottom:
I've tried playing around with the anchor
and offset
properties, but I was unable to achieve the desired result.
Code:
...ANSWER
Answered 2022-Feb-24 at 14:57You need to change the formatter
function to make it work.
The total value shall appear on the top most value of the stacked bars only. The stacked bars however don't contain zero values nor values from hidden datasets
. I ended up with the following solution that works but can probably be improved/simplified.
QUESTION
I'm trying to use multiple rich text editors in a React form. I built the editor component using draft-js and also I integrated the inline toolbar from draft-js-plugins. Because this is a react-hook-form I wrapped the editor inside a Controller component.
The problem I have is that the InlineToolbar is displayed only for the last editor component in page.
Based on the draft-js-plugins documentation the initialization of the toolbar should happen outside the component so this is what I did:
...ANSWER
Answered 2022-Feb-22 at 13:57Each editor get's its own plugins.
You can solve this issue ether by creating different plugin for each editor instance and pass them to the editor OR with create a function for creating a plugin inside the editor component and every time we init a editor we create a new plugin instance
So, this is the first solution:
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