Learn WebAssembly

Transactions operations

The second section contains functions that manage transactions in the Wasm instance (through the WasmTransactions instance) and the API, as follows:

...  getCategories() {    const categories = this.state.transactions.map(      ({ category }) => category    );    // Remove duplicate categories and sort the names in ascending order:    return _.uniq(categories).sort();  },  // Populate global state with the transactions from the API response:  populateTransactions(transactions) {    const sortedTransactions = _.sortBy(transactions, [      'transactionDate',      'id'    ]);    this.state.transactions = sortedTransactions;    store.wasm.populateInWasm(sortedTransactions, this.getCategories());    this.recalculateBalances();  },  addTransaction(newTransaction) { // ...