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[TS] Add support for fixed length arrays on Typescript (#5864) (#7021) (#7581)

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* [TS] Add support for fixed length arrays on Typescript (#5864) (#7021)

    * Typescript / Javascript don't have fixed arrays but it is important to support these languages for compatibility.

    * Generated TS code checks the length of the given array and do truncating / padding to conform to the schema.

    * Supports the both standard API and Object Based API.

    * Added a test.

    Co-authored-by: Mehmet Baker <mehmet.baker@zerodensity.tv>
    Signed-off-by: Bulent Vural <bulent.vural@zerodensity.tv>

Signed-off-by: Bülent Vural <bulent.vural@zerodensity.tv>

* Formatting & readability fixes on idl_gen_ts.cpp

Signed-off-by: Bülent Vural <bulent.vural@zerodensity.tv>

* Added array_test_complex.bfbs

Signed-off-by: Bülent Vural <bulent.vural@zerodensity.tv>

* TS arrays_test_complex: Remove bfbs and use  fbs directly

Signed-off-by: Bülent Vural <bulent.vural@zerodensity.tv>

Signed-off-by: Bülent Vural <bulent.vural@zerodensity.tv>
This commit is contained in:
Bulent Vural
2022-10-29 03:00:24 +03:00
committed by GitHub
parent e34ae4c6b6
commit c2d9c20803
14 changed files with 1670 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
tests/ts/reflection/enum-val.js
View File

@@ -1,5 +1,6 @@
// automatically generated by the FlatBuffers compiler, do not modify
import * as flatbuffers from 'flatbuffers';
import { KeyValue } from '../reflection/key-value.js';
import { Type } from '../reflection/type.js';
export class EnumVal {
constructor() {
@@ -46,11 +47,19 @@ export class EnumVal {
const offset = this.bb.__offset(this.bb_pos, 12);
return offset ? this.bb.__vector_len(this.bb_pos + offset) : 0;
}
attributes(index, obj) {
const offset = this.bb.__offset(this.bb_pos, 14);
return offset ? (obj || new KeyValue()).__init(this.bb.__indirect(this.bb.__vector(this.bb_pos + offset) + index * 4), this.bb) : null;
}
attributesLength() {
const offset = this.bb.__offset(this.bb_pos, 14);
return offset ? this.bb.__vector_len(this.bb_pos + offset) : 0;
}
static getFullyQualifiedName() {
return 'reflection_EnumVal';
}
static startEnumVal(builder) {
builder.startObject(5);
builder.startObject(6);
}
static addName(builder, nameOffset) {
builder.addFieldOffset(0, nameOffset, 0);
@@ -74,37 +83,54 @@ export class EnumVal {
static startDocumentationVector(builder, numElems) {
builder.startVector(4, numElems, 4);
}
static addAttributes(builder, attributesOffset) {
builder.addFieldOffset(5, attributesOffset, 0);
}
static createAttributesVector(builder, data) {
builder.startVector(4, data.length, 4);
for (let i = data.length - 1; i >= 0; i--) {
builder.addOffset(data[i]);
}
return builder.endVector();
}
static startAttributesVector(builder, numElems) {
builder.startVector(4, numElems, 4);
}
static endEnumVal(builder) {
const offset = builder.endObject();
builder.requiredField(offset, 4); // name
return offset;
}
unpack() {
return new EnumValT(this.name(), this.value(), (this.unionType() !== null ? this.unionType().unpack() : null), this.bb.createScalarList(this.documentation.bind(this), this.documentationLength()));
return new EnumValT(this.name(), this.value(), (this.unionType() !== null ? this.unionType().unpack() : null), this.bb.createScalarList(this.documentation.bind(this), this.documentationLength()), this.bb.createObjList(this.attributes.bind(this), this.attributesLength()));
}
unpackTo(_o) {
_o.name = this.name();
_o.value = this.value();
_o.unionType = (this.unionType() !== null ? this.unionType().unpack() : null);
_o.documentation = this.bb.createScalarList(this.documentation.bind(this), this.documentationLength());
_o.attributes = this.bb.createObjList(this.attributes.bind(this), this.attributesLength());
}
}
export class EnumValT {
constructor(name = null, value = BigInt('0'), unionType = null, documentation = []) {
constructor(name = null, value = BigInt('0'), unionType = null, documentation = [], attributes = []) {
this.name = name;
this.value = value;
this.unionType = unionType;
this.documentation = documentation;
this.attributes = attributes;
}
pack(builder) {
const name = (this.name !== null ? builder.createString(this.name) : 0);
const unionType = (this.unionType !== null ? this.unionType.pack(builder) : 0);
const documentation = EnumVal.createDocumentationVector(builder, builder.createObjectOffsetList(this.documentation));
const attributes = EnumVal.createAttributesVector(builder, builder.createObjectOffsetList(this.attributes));
EnumVal.startEnumVal(builder);
EnumVal.addName(builder, name);
EnumVal.addValue(builder, this.value);
EnumVal.addUnionType(builder, unionType);
EnumVal.addDocumentation(builder, documentation);
EnumVal.addAttributes(builder, attributes);
return EnumVal.endEnumVal(builder);
}
}

38
tests/ts/reflection/enum-val.ts
View File

@@ -2,6 +2,7 @@
import * as flatbuffers from 'flatbuffers';
import { KeyValue, KeyValueT } from '../reflection/key-value.js';
import { Type, TypeT } from '../reflection/type.js';
@@ -63,12 +64,22 @@ documentationLength():number {
return offset ? this.bb!.__vector_len(this.bb_pos + offset) : 0;
}
attributes(index: number, obj?:KeyValue):KeyValue|null {
const offset = this.bb!.__offset(this.bb_pos, 14);
return offset ? (obj || new KeyValue()).__init(this.bb!.__indirect(this.bb!.__vector(this.bb_pos + offset) + index * 4), this.bb!) : null;
}
attributesLength():number {
const offset = this.bb!.__offset(this.bb_pos, 14);
return offset ? this.bb!.__vector_len(this.bb_pos + offset) : 0;
}
static getFullyQualifiedName():string {
return 'reflection_EnumVal';
}
static startEnumVal(builder:flatbuffers.Builder) {
builder.startObject(5);
builder.startObject(6);
}
static addName(builder:flatbuffers.Builder, nameOffset:flatbuffers.Offset) {
@@ -99,6 +110,22 @@ static startDocumentationVector(builder:flatbuffers.Builder, numElems:number) {
builder.startVector(4, numElems, 4);
}
static addAttributes(builder:flatbuffers.Builder, attributesOffset:flatbuffers.Offset) {
builder.addFieldOffset(5, attributesOffset, 0);
}
static createAttributesVector(builder:flatbuffers.Builder, data:flatbuffers.Offset[]):flatbuffers.Offset {
builder.startVector(4, data.length, 4);
for (let i = data.length - 1; i >= 0; i--) {
builder.addOffset(data[i]!);
}
return builder.endVector();
}
static startAttributesVector(builder:flatbuffers.Builder, numElems:number) {
builder.startVector(4, numElems, 4);
}
static endEnumVal(builder:flatbuffers.Builder):flatbuffers.Offset {
const offset = builder.endObject();
builder.requiredField(offset, 4) // name
@@ -111,7 +138,8 @@ unpack(): EnumValT {
this.name(),
this.value(),
(this.unionType() !== null ? this.unionType()!.unpack() : null),
this.bb!.createScalarList<string>(this.documentation.bind(this), this.documentationLength())
this.bb!.createScalarList<string>(this.documentation.bind(this), this.documentationLength()),
this.bb!.createObjList<KeyValue, KeyValueT>(this.attributes.bind(this), this.attributesLength())
);
}
@@ -121,6 +149,7 @@ unpackTo(_o: EnumValT): void {
_o.value = this.value();
_o.unionType = (this.unionType() !== null ? this.unionType()!.unpack() : null);
_o.documentation = this.bb!.createScalarList<string>(this.documentation.bind(this), this.documentationLength());
_o.attributes = this.bb!.createObjList<KeyValue, KeyValueT>(this.attributes.bind(this), this.attributesLength());
}
}
@@ -129,7 +158,8 @@ constructor(
public name: string|Uint8Array|null = null,
public value: bigint = BigInt('0'),
public unionType: TypeT|null = null,
public documentation: (string)[] = []
public documentation: (string)[] = [],
public attributes: (KeyValueT)[] = []
){}
@@ -137,12 +167,14 @@ pack(builder:flatbuffers.Builder): flatbuffers.Offset {
const name = (this.name !== null ? builder.createString(this.name!) : 0);
const unionType = (this.unionType !== null ? this.unionType!.pack(builder) : 0);
const documentation = EnumVal.createDocumentationVector(builder, builder.createObjectOffsetList(this.documentation));
const attributes = EnumVal.createAttributesVector(builder, builder.createObjectOffsetList(this.attributes));
EnumVal.startEnumVal(builder);
EnumVal.addName(builder, name);
EnumVal.addValue(builder, this.value);
EnumVal.addUnionType(builder, unionType);
EnumVal.addDocumentation(builder, documentation);
EnumVal.addAttributes(builder, attributes);
return EnumVal.endEnumVal(builder);
}