chore: migrate to typescript

web3.js/src/bpf-loader.ts

@@ -0,0 +1,43 @@
+import {Account} from './account';
+import {PublicKey} from './publickey';
+import {Loader} from './loader';
+import type {Connection} from './connection';
+
+export const BPF_LOADER_PROGRAM_ID = new PublicKey(
+  'BPFLoader2111111111111111111111111111111111',
+);
+
+/**
+ * Factory class for transactions to interact with a program loader
+ */
+export class BpfLoader {
+  /**
+   * Minimum number of signatures required to load a program not including
+   * retries
+   *
+   * Can be used to calculate transaction fees
+   */
+  static getMinNumSignatures(dataLength: number): number {
+    return Loader.getMinNumSignatures(dataLength);
+  }
+
+  /**
+   * Load a BPF program
+   *
+   * @param connection The connection to use
+   * @param payer Account that will pay program loading fees
+   * @param program Account to load the program into
+   * @param elf The entire ELF containing the BPF program
+   * @param loaderProgramId The program id of the BPF loader to use
+   * @return true if program was loaded successfully, false if program was already loaded
+   */
+  static load(
+    connection: Connection,
+    payer: Account,
+    program: Account,
+    elf: Buffer | Uint8Array | Array<number>,
+    loaderProgramId: PublicKey,
+  ): Promise<boolean> {
+    return Loader.load(connection, payer, program, loaderProgramId, elf);
+  }
+}