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Merge remote-tracking branch 'FredyC/iteratable-support'
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commit
14fcc66f7f
143
src/react/JSONTree/JSONIterableNode.js
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143
src/react/JSONTree/JSONIterableNode.js
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import React from 'react';
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import reactMixin from 'react-mixin';
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import { ExpandedStateHandlerMixin } from './mixins';
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import JSONArrow from './JSONArrow';
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import grabNode from './grab-node';
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const styles = {
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base: {
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position: 'relative',
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paddingTop: 3,
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paddingBottom: 3,
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paddingRight: 0,
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marginLeft: 14
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},
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label: {
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margin: 0,
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padding: 0,
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display: 'inline-block'
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},
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span: {
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cursor: 'default'
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},
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spanType: {
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marginLeft: 5,
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marginRight: 5
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}
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};
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@reactMixin.decorate(ExpandedStateHandlerMixin)
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export default class JSONIterableNode extends React.Component {
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defaultProps = {
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data: [],
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initialExpanded: false
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};
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// flag to see if we still need to render our child nodes
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needsChildNodes = true;
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// cache store for our child nodes
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renderedChildren = [];
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// cache store for the number of items string we display
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itemString = false;
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constructor(props) {
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super(props);
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this.state = {
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expanded: this.props.initialExpanded,
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createdChildNodes: false
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};
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}
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// Returns the child nodes for each entry in iterable. If we have
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// generated them previously, we return from cache, otherwise we create
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// them.
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getChildNodes() {
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if (this.state.expanded && this.needsChildNodes) {
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let childNodes = [];
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for (const entry of this.props.data) {
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let key = null;
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let value = null;
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if (Array.isArray(entry)) {
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[key, value] = entry;
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} else {
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key = childNodes.length;
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value = entry;
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}
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let prevData;
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if (typeof this.props.previousData !== 'undefined') {
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prevData = this.props.previousData[key];
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}
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const node = grabNode(key, value, prevData, this.props.theme);
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if (node !== false) {
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childNodes.push(node);
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}
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}
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this.needsChildNodes = false;
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this.renderedChildren = childNodes;
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}
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return this.renderedChildren;
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}
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// Returns the "n entries" string for this node, generating and
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// caching it if it hasn't been created yet.
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getItemString() {
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if (!this.itemString) {
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const { data } = this.props;
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let count = 0;
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if (Number.isSafeInteger(data.size)) {
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count = data.size;
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} else {
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for (const entry of data) { // eslint-disable-line no-unused-vars
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count += 1;
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}
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}
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this.itemString = count + ' entr' + (count !== 1 ? 'ies' : 'y');
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}
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return this.itemString;
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}
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render() {
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const childNodes = this.getChildNodes();
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const childListStyle = {
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padding: 0,
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margin: 0,
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listStyle: 'none',
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display: (this.state.expanded) ? 'block' : 'none'
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};
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let containerStyle;
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let spanStyle = {
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...styles.span,
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color: this.props.theme.base0E
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};
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containerStyle = {
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...styles.base
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};
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if (this.state.expanded) {
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spanStyle = {
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...spanStyle,
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color: this.props.theme.base03
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};
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}
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return (
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<li style={containerStyle}>
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<JSONArrow theme={this.props.theme} open={this.state.expanded} onClick={::this.handleClick}/>
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<label style={{
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...styles.label,
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color: this.props.theme.base0D
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}} onClick={::this.handleClick}>
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{this.props.keyName}:
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</label>
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<span style={spanStyle} onClick={::this.handleClick}>
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<span style={styles.spanType}>()</span>
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{this.getItemString()}
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</span>
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<ol style={childListStyle}>
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{childNodes}
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</ol>
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</li>
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);
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}
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}
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@ -2,6 +2,7 @@ import React from 'react';
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import objType from './obj-type';
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import JSONObjectNode from './JSONObjectNode';
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import JSONArrayNode from './JSONArrayNode';
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import JSONIterableNode from './JSONIterableNode';
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import JSONStringNode from './JSONStringNode';
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import JSONNumberNode from './JSONNumberNode';
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import JSONBooleanNode from './JSONBooleanNode';
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@ -13,6 +14,8 @@ export default function(key, value, prevValue, theme) {
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return <JSONObjectNode data={value} previousData={prevValue} theme={theme} keyName={key} key={key} />;
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} else if (nodeType === 'Array') {
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return <JSONArrayNode data={value} previousData={prevValue} theme={theme} keyName={key} key={key} />;
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} else if (nodeType === 'Iterable') {
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return <JSONIterableNode data={value} previousData={prevValue} theme={theme} keyName={key} key={key} />;
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} else if (nodeType === 'String') {
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return <JSONStringNode keyName={key} previousValue={prevValue} theme={theme} value={value} key={key} />;
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} else if (nodeType === 'Number') {
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@ -1,3 +1,8 @@
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export default function(obj) {
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if (obj !== null && typeof obj === 'object' && !Array.isArray(obj) &&
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typeof obj[Symbol.iterator] === 'function'
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) {
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return 'Iterable';
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}
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return Object.prototype.toString.call(obj).slice(8, -1);
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}
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