add getter to all chain data

README.md

@@ -112,8 +112,15 @@ stores.
 
 `chainData` is a store returning the current JavaScript [CAIP-2 representation](https://github.com/ChainAgnostic/CAIPs/blob/master/CAIPs/caip-2.md) object.
 
+### Example
 
-### Example of information available (vary depending on the chain)
+The information returned by the `chainData` store depends (like all
+other web3 stores) on which chain the current provider is
+connected. If the store has not yet been connected (with `setProvider`
+or `setBrowserProvider`), the store value will be `undefined`.
+
+Below is the CAIP-2 formatted information when the default store is 
+connected with the Ethereum Mainnet :
 
 ```json
 {
@@ -144,6 +151,18 @@ stores.
 }
 ```
 
+
+You might want to access all chains CAIP-2 data directly without using the
+`chainData` store. In this case, use the getter `allChainsData`, it returns
+the list of all CAIP-2 data available.
+
+```js
+import { allChainsData } from 'svelte-web3'
+
+console.log( allChainsData )
+```
+
+
 ## Create contract stores
 
 The function `makeContractStore` allows you to create a Svelte derived

examples/svelte-app-template-web3/src/MonoChain.svelte

@@ -1,6 +1,6 @@
 <script>
-  import { makeChainStore, defaultChainStore, web3, connected, selectedAccount, chainId, chainData } from '../../../dist/index.js'
-  //import { defaultChainStore, web3, selectedAccount, connected, chainId, chainData } from 'svelte-web3'
+  //import { allChainsData makeChainStore, defaultChainStore, web3, connected, selectedAccount, chainId, chainData } from '../../../dist/index.js'
+  import { allChainsData, makeChainStore, defaultChainStore, web3, selectedAccount, connected, chainId, chainData } from 'svelte-web3'
 
   export let name