Improve TS types to support isolatedModules and isolatedDeclarations

tests/ts/relative_imports/transit/one/info.js

@@ -0,0 +1,57 @@
+// automatically generated by the FlatBuffers compiler, do not modify
+/* eslint-disable @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any, @typescript-eslint/no-non-null-assertion */
+import * as flatbuffers from 'flatbuffers';
+export class Info {
+    constructor() {
+        this.bb = null;
+        this.bb_pos = 0;
+    }
+    __init(i, bb) {
+        this.bb_pos = i;
+        this.bb = bb;
+        return this;
+    }
+    static getRootAsInfo(bb, obj) {
+        return (obj || new Info()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
+    }
+    static getSizePrefixedRootAsInfo(bb, obj) {
+        bb.setPosition(bb.position() + flatbuffers.SIZE_PREFIX_LENGTH);
+        return (obj || new Info()).__init(bb.readInt32(bb.position()) + bb.position(), bb);
+    }
+    timestamp() {
+        const offset = this.bb.__offset(this.bb_pos, 4);
+        return offset ? this.bb.readUint64(this.bb_pos + offset) : BigInt('0');
+    }
+    static getFullyQualifiedName() {
+        return 'Transit.One.Info';
+    }
+    static startInfo(builder) {
+        builder.startObject(1);
+    }
+    static addTimestamp(builder, timestamp) {
+        builder.addFieldInt64(0, timestamp, BigInt('0'));
+    }
+    static endInfo(builder) {
+        const offset = builder.endObject();
+        return offset;
+    }
+    static createInfo(builder, timestamp) {
+        Info.startInfo(builder);
+        Info.addTimestamp(builder, timestamp);
+        return Info.endInfo(builder);
+    }
+    unpack() {
+        return new InfoT(this.timestamp());
+    }
+    unpackTo(_o) {
+        _o.timestamp = this.timestamp();
+    }
+}
+export class InfoT {
+    constructor(timestamp = BigInt('0')) {
+        this.timestamp = timestamp;
+    }
+    pack(builder) {
+        return Info.createInfo(builder, this.timestamp);
+    }
+}