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update docs

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Ian Storm Taylor
2017-10-18 08:58:23 -07:00
parent 63855ed15c
commit c442e52ca6
1 changed files with 13 additions and 9 deletions
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docs/guides/changes.md
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@@ -120,20 +120,24 @@ The `editor.change()` method will create a new [`Change`](../reference/slate/cha
### 3. From Schema Rules ### 3. From Schema Rules
The third place you may perform change operations — for more complex use cases — is from inside a custom [rule](../references/slate/schema.md#rules) in your editor's [`Schema`](../references/slate/schema.md). For example... The third place you may perform change operations—for more complex use cases—is from inside a custom [rule](../references/slate/schema.md#rules) in your editor's [`Schema`](../references/slate/schema.md). For example...
```js ```js
{ {
match: (object) => object.kind === 'block' && object.type === 'quote', match(obj) {
validate: (node) => { return obj.kind == 'block' && obj.type == 'quote',
const invalidChildren = node.filterDescendants(child => child.kind === 'block');
return invalidChildren.size ? invalidChildren : null;
}, },
normalize (change, node, invalidChildren) { validate(quote) {
invalidChildren.forEach(child => { const invalidChildren = quote.nodes.filter(n => n.kind != 'block')
change.removeNodeByKey(child.key); if (!invalidChildren.size) return
}); return invalidChildren
}, },
normalize(change, quote, invalidChildren) {
invalidChildren.forEach((node) => {
change.removeNodeByKey(node.key)
})
},
}
``` ```
When a rule's validation fails, Slate passes a [`Change`](../reference/slate/change.md) object to the `normalize()` method on the rule. You can use this object to apply the changes necessary to make your document valid on the next normalization pass. When a rule's validation fails, Slate passes a [`Change`](../reference/slate/change.md) object to the `normalize()` method on the rule. You can use this object to apply the changes necessary to make your document valid on the next normalization pass.