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Code Issues Releases Wiki Activity

synchronized localStorage (tokens)

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This commit is contained in:
Szymon Lesisz 2018-05-17 14:40:38 +02:00
parent aca4a26372
commit d7f56db291
1 changed files with 26 additions and 7 deletions
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33
src/js/actions/LocalStorageActions.js
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@ -81,10 +81,17 @@ export const loadData = (): ThunkAction => {
export function loadTokensFromJSON(): AsyncAction { export function loadTokensFromJSON(): AsyncAction {
return async (dispatch: Dispatch, getState: GetState): Promise<void> => { return async (dispatch: Dispatch, getState: GetState): Promise<void> => {
if (typeof window.localStorage === 'undefined') return;
try { try {
const config: Config = await httpRequest('data/appConfig.json', 'json'); const config: Config = await httpRequest('data/appConfig.json', 'json');
const ERC20Abi = await httpRequest('data/ERC20Abi.json', 'json'); const ERC20Abi = await httpRequest('data/ERC20Abi.json', 'json');
window.addEventListener('storage', event => {
dispatch( update(event) );
})
// load tokens // load tokens
const tokens = await config.coins.reduce(async (promise: Promise<TokensCollection>, coin: Coin): Promise<TokensCollection> => { const tokens = await config.coins.reduce(async (promise: Promise<TokensCollection>, coin: Coin): Promise<TokensCollection> => {
const collection: TokensCollection = await promise; const collection: TokensCollection = await promise;
@ -150,6 +157,17 @@ export function loadTokensFromJSON(): AsyncAction {
} }
} }
export function update(event: StorageEvent): AsyncAction {
return async (dispatch: Dispatch, getState: GetState): Promise<void> => {
if (event.key === 'tokens' && event.newValue) {
dispatch({
type: TOKEN.FROM_STORAGE,
payload: JSON.parse(event.newValue)
});
}
}
}
export const save = (key: string, value: string): ThunkAction => { export const save = (key: string, value: string): ThunkAction => {
return (dispatch: Dispatch, getState: GetState): void => { return (dispatch: Dispatch, getState: GetState): void => {
@ -165,12 +183,13 @@ export const save = (key: string, value: string): ThunkAction => {
} }
export const get = (key: string): ?string => { export const get = (key: string): ?string => {
if (typeof window.localStorage !== 'undefined') {
try {
return window.localStorage.getItem(key); try {
} catch (error) { return window.localStorage.getItem(key);
// available = false; } catch (error) {
return null; // available = false;
} return null;
} }
} }