Build README

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Angelos Chalaris
2019-02-27 15:14:32 +02:00
parent 6a4257f435
commit a7924a7424
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"<!-expertise: 1 -->"
]
},
{
"name": "MultiselectCheckbox.md",
"title": "MultiselectCheckbox",
"text": "Renders a checkbox list that uses a callback function to pass its selected value/values to the parent component.\n\nUse `React.setState()` to create a `data` state variable and set its initial value equal to the `options` prop.\nCreate a function `toggle` that is used to toggle the `checked` to update the `data` state variable and call the `onChange` callbac passed via the component's props.\nRender a `<ul>` element and use `Array.prototype.map()` to map the `data` state variable to individual `<li>` elements with `<input>` elements as their children.\nEach `<input>` element has the `type='checkbox'` attribute and is marked as `readOnly`, as its click events are handled by the parent `<li>` element's `onClick` handler.\n\n",
"codeBlocks": [
"```jsx\nconst style = {\n listContainer: {\n listStyle: 'none',\n paddingLeft: 0\n },\n itemStyle: {\n cursor: 'pointer',\n padding: 5\n }\n};\n\nfunction MultiselectCheckbox ({ options, onChange }) {\n const [data, setData] = React.useState(options);\n\n const toggle = (item) => {\n data.map((_, key) => {\n if (data[key].label === item.label) \n data[key].checked = !item.checked;\n });\n setData([...data]);\n onChange(data);\n }\n\n return (\n <ul style={style.listContainer}>\n {data.map(item => {\n return (\n <li\n key={item.label}\n style={style.itemStyle}\n onClick={() => toggle(item)}\n >\n <input readOnly type='checkbox' checked={item.checked || false} />\n {item.label}\n </li>\n );\n })}\n </ul>\n );\n}\n```",
"```jsx\nconst options = [{ label: \"Item One\" }, { label: \"Item Two\" }];\n\nReactDOM.render(\n <MultiselectCheckbox\n options={options}\n onChange={data => {\n console.log(data);\n }}\n />,\n document.getElementById(\"root\")\n);\n```"
],
"expertise": 1,
"tags": [
"input",
"state",
"array"
],
"notes": []
},
{
"name": "PasswordRevealer.md",
"title": "PasswordRevealer",