Node-chart-exec NPM

node-chart-exec

node-chart-exec is a configurable executable command program that generates charts in Node.js. It uses dependencies Chart.js, chartjs-node-canvas, fs-extra, and yargs. It uses npx command to generate charts. The program is written in JavaScript by gayanvoice.

Synopsis

npx node-chart-exec@[@version] --type --options --height --width --labels --dataset --outputfile

Description

Option	Description	Type	Example	Required
`--type`	Chart type supported by Chart.js. Types `line`, `bar`	`String`	`--type='line'`	`true`
`--options`	Choose `true` for enable options or `false` for disable options. If you enter `true` it will remove all the values from the chart.	`String`	`--options='true'`	`true`
`--height`	Height of the canvas.	`Integer`	`--height=400`	`true`
`--width`	Width of the canvas.	`Integer`	`--width=400`	`true`
`--labels`	Labels of the chart.	`JSON`	`--labels='["Label 1", "Label 2", "Label 3", "Label 4", "Label 5", "Label 6"]'`	`true`
`--dataset`	Dataset of the chart.	`JSON`	`--dataset='[{"label":"Label of Chart", "data":[10, 20, 30, 40, 50, 40], "backgroundColor":"#7ACFFF", "borderColor":"#00A3FF"}}]'`	`true`
`--outputfile`	Output file in `PNG` file type.	`String`	`--outputfile='directory/file.png'`	`true`

Output

1. Line chart `--type='line'`

With options `--options=true`

Command Line

npx node-chart-exec@2.0.0 --type='line' --options='true' --height=400 --width=400 --labels='["Label 1", "Label 2", "Label 3", "Label 4", "Label 5", "Label 6"]' --dataset='[{"label":"Label of Chart", "data":[10, 20, 30, 40, 50, 40], "backgroundColor":"#7ACFFF", "borderColor":"#00A3FF"}]' --outputfile='output/line-chart-with-options.png'

# Output
Node Chart Exec Started
All inputs are validated
Canvas width=400 height=400
Chart type='line' options='true' labels=["Label 1","Label 2","Label 3","Label 4","Label 5","Label 6"] output-file='output/line-chart-with-options.png'
Dataset [1/1] label='Label of Chart' data=[10,20,30,40,50,40] background-color='#7ACFFF' border-color='#00A3FF'
Image file created at 'output/line-chart-with-options.png'
Node Chart Exec Completed

Without options `--options=false`

Command Line

npx node-chart-exec@2.0.0 --type='line' --options='false' --height=400 --width=400 --labels='["Label 1", "Label 2", "Label 3", "Label 4", "Label 5", "Label 6"]' --dataset='[{"label":"Label of Chart", "data":[10, 20, 30, 40, 50, 40], "backgroundColor":"#7ACFFF", "borderColor":"#00A3FF"}]' --outputfile='output/line-chart-with-no-options.png'

# Output
Node Chart Exec Started
All inputs are validated
Canvas width=400 height=400
Chart type='line' options='false' labels=["Label 1","Label 2","Label 3","Label 4","Label 5","Label 6"] output-file='output/line-chart-with-options.png'
Dataset [1/1] label='Label of Chart' data=[10,20,30,40,50,40] background-color='#7ACFFF' border-color='#00A3FF'
Image file created at 'output/line-chart-without-options.png'
Node Chart Exec Completed

Output

`output/lines-chart-with-options.png`	`output/lines-chart-without-options.png`

2. Bar chart `--type='bar'`

With options `--options=true`

Command Line

npx node-chart-exec@2.0.0 --type='bar' --options='true' --height=400 --width=400 --labels='["Label 1", "Label 2", "Label 3", "Label 4", "Label 5", "Label 6"]' --dataset='[{"label":"Label of Chart", "data":[10, 20, 30, 40, 50, 40], "backgroundColor":"#7ACFFF", "borderColor":"#00A3FF"}]' --outputfile='output/bar-chart-with-options.png'

# Output
Node Chart Exec Started
All inputs are validated
Canvas width=400 height=400
Chart type='bar' options='true' labels=["Label 1","Label 2","Label 3","Label 4","Label 5","Label 6"] output-file='output/bar-chart-with-options.png'
Dataset [1/1] label='Label of Chart' data=[10,20,30,40,50,40] background-color='#7ACFFF' border-color='#00A3FF'
Image file created at 'output/bar-chart-with-options.png'
Node Chart Exec Completed

Without options `--options=false`

Command Line

npx node-chart-exec@2.0.0 --type='bar' --options='false' --height=400 --width=400 --labels='["Label 1", "Label 2", "Label 3", "Label 4", "Label 5", "Label 6"]' --dataset='[{"label":"Label of Chart", "data":[10, 20, 30, 40, 50, 40], "backgroundColor":"#7ACFFF", "borderColor":"#00A3FF"}]' --outputfile='output/bar-chart-without-options.png'

# Output
Node Chart Exec Started
All inputs are validated
Canvas width=400 height=400
Chart type='bar' options='false' labels=["Label 1","Label 2","Label 3","Label 4","Label 5","Label 6"] output-file='output/bar-chart-without-options.png'
Dataset [1/1] label='Label of Chart' data=[10,20,30,40,50,40] background-color='#7ACFFF' border-color='#00A3FF'
Image file created at 'output/bar-chart-without-options.png'