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@pejmannik/react18-json-view
Advanced tools
React function component for displaying javascript arrays and JSON objects. Supports all JS types.

npm i react18-json-view
npm i react18-json-view@canary
import JsonView from 'react18-json-view'
import 'react18-json-view/src/style.css'
// If dark mode is needed, import `dark.css`.
// import 'react18-json-view/src/dark.css'
<JsonView src={my_json_object} />
// If needed, you can use the internal stringify function.
// import { stringify } from 'react18-json-view'
| Name | Type | Default | Description |
|---|---|---|---|
src | JSON Object | None | This property contains your input JSON |
className | string | None | The CSS class name(s) to apply to the component. |
style | JSON Object | None | An object containing custom style rules to apply to the component. |
dark | boolean | false | Keep in dark mode (Don't forget to import dark.css) |
theme | default | a11y | github | vscode | atom|winter-is-coming | 'default' | Color theme |
enableClipboard | boolean | true | Whether enable clipboard feature. |
matchesURL | boolean | true | Show the link icon if value is string and matches URL regex pattern. |
urlRegExp | RegExp | /^(((ht|f)tps?):\/\/)?([^!@#$%^&*?.\s-]([^!@#$%^&*?.\s]{0,63}[^!@#$%^&*?.\s])?\.)+[a-z]{2,6}\/?/ | URL RegExp pattern. |
displaySize | boolean | integer | 'collapsed' | 'expanded' | false | Whether display the size of Object, Array. |
collapseStringsAfterLength | integer | 99 | When an integer value is assigned, strings longer than that length will be truncated and indicated by an ellipsis. To expand or collapse the string content, simply click on the string value. |
| customizeCollapseStringUI | (str_show: string, truncated: boolean) => (JSX.Element | string) | string | - | Customize the collapse string UI. |
ignoreLargeArray | boolean | false | Prevent collapsing large array(length > 100) behavior since v0.2.7 |
collapseStringMode | 'directly' | 'word' | 'address' | 'directly' | If the word is assigned, the collapsed length will be adjusted to fully display the last word. |
collapsed | boolean | integer | function | false | When set to true(false), all nodes will be (not) collapsed by default. When using an integer value, it will collapse at a specific depth. The collapsed also can be a function. |
collapseObjectsAfterLength | integer | 99 | When an integer value is assigned, the object and array will initially collapse. |
editable | boolean | {add?: boolean, edit?: boolean, delete?: boolean} | false | When set to true, you can add, edit, or delete the property, and the actions will trigger onAdd, onEdit, or onDelete. Options is available. |
onAdd | function | - | (params: { indexOrName: string| number, depth: number, src: any; parentType: 'object' | 'array' }) => void |
onDelete | function | - | (params:{ value: any,indexOrName: string | number,depth: number,src: any,parentType: 'object' | 'array'}) => void |
onEdit | function | - | (params: { newValue: any, oldValue: any, depth: number, src: any, indexOrName: string | number, parentType: 'object' | 'array'}) => void |
customizeNode | ReactElement|ReactComponent|Options | - | Highly customize every node. |
customizeCopy | (node: any) => any | internal stringify | Customize copy behavior, only the returned non-empty string will be written to clipboard. |
CopyComponent (canary) | React.FC / React.Component <{ onClick: (event: React.MouseEvent) => void; className: string }> | - | Customize copy icon. |
CopiedComponent (canary) | React.FC / React.Component <{ className: string; style: React.CSSProperties }> | - | Customize copied icon. |
(params: {
node: Record<string, any> | Array<any> // Object or array
indexOrName: number | string | undefined
depth: number
size: number // Object's size or array's length
}) => boolean
{
add?: boolean
edit?: boolean
delete?: boolean
}
(params: { node: any; indexOrName: number | string | undefined; depth: number }) =>
| {
add?: boolean
edit?: boolean
delete?: boolean
enableClipboard?: boolean
collapsed?: boolean
className?: string
}
| React.FC
| typeof React.Component
| React.ReactElement<any, any>
The editor uses eval(<input-value>). While in edit mode, you can enter ({}) or ([]), which will cause the result of eval to become a new object or array.
{}and[]will be auto convert to({}),([])
This component does not perform any cloning operations, so every step of the operation is carried out on the original object. If cloning is required, please handle it yourself.
When element is editable:
Ctrl/Cmd+Click => Edit ModeEnter => SubmitEsc => CancelBelow are the default theme variables that you can easily customize to fit your needs.
.json-view {
color: #4d4d4d;
--json-property: #009033;
--json-index: #676dff;
--json-number: #676dff;
--json-string: #b2762e;
--json-boolean: #dc155e;
--json-null: #dc155e;
}
.json-view .json-view--property { color: var(--json-property); }
.json-view .json-view--index { color: var(--json-index); }
.json-view .json-view--number { color: var(--json-number); }
.json-view .json-view--string { color: var(--json-string); }
.json-view .json-view--boolean { color: var(--json-boolean); }
.json-view .json-view--null { color: var(--json-null); }
react-json-view does not support React 18.
stringifyFAQs
JSON viewer for react18
We found that @pejmannik/react18-json-view demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 0 open source maintainers collaborating on the project.
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