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Remove unused imported types for generated typescript. #18

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Remove unused imported types for generated typescript. #18

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ea6fcb2
Remove unused imported types for generated typescript.
Mar 11, 2019
e31fc25
Order imports alphabetically.
Mar 11, 2019
b63c659
Update example generated files.
Mar 11, 2019
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20 changes: 9 additions & 11 deletions src/Facility.CodeGen.JavaScript/JavaScriptGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,9 @@ protected override CodeGenOutput GenerateOutputCore(ServiceInfo service)
string serverFileName = Uncapitalize(moduleName) + "Server" + (TypeScript ? ".ts" : ".js");

var namedTexts = new List<CodeGenFile>();
var typeNames = new List<string>();
var requestTypeNames = new List<string>();
var responseTypeNames = new List<string>();
var dtoTypeNames = new List<string>();
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I broke up the types and made this before I realized this wasn't actually being used anywhere.

if (TypeScript)
{
namedTexts.Add(CreateFile(typesFileName, code =>
Expand All @@ -61,7 +63,7 @@ protected override CodeGenOutput GenerateOutputCore(ServiceInfo service)

code.WriteLine();
WriteJsDoc(code, service);
typeNames.Add($"I{capModuleName}");
requestTypeNames.Add($"I{capModuleName}");
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This isn't technically a request type, but wherever I needed the request types I also needed this so I included it here.

using (code.Block($"export interface I{capModuleName} {{", "}"))
{
foreach (var httpMethodInfo in httpServiceInfo.Methods)
Expand All @@ -77,14 +79,14 @@ protected override CodeGenOutput GenerateOutputCore(ServiceInfo service)
foreach (var methodInfo in service.Methods)
{
var requestDtoName = $"{CodeGenUtility.Capitalize(methodInfo.Name)}Request";
typeNames.Add($"I{requestDtoName}");
requestTypeNames.Add($"I{requestDtoName}");
WriteDto(code, new ServiceDtoInfo(
name: requestDtoName,
fields: methodInfo.RequestFields,
summary: $"Request for {CodeGenUtility.Capitalize(methodInfo.Name)}."), service);

var responseDtoName = $"{CodeGenUtility.Capitalize(methodInfo.Name)}Response";
typeNames.Add($"I{responseDtoName}");
responseTypeNames.Add($"I{responseDtoName}");
WriteDto(code, new ServiceDtoInfo(
name: responseDtoName,
fields: methodInfo.ResponseFields,
Expand All @@ -93,7 +95,7 @@ protected override CodeGenOutput GenerateOutputCore(ServiceInfo service)

foreach (var dtoInfo in service.Dtos)
{
typeNames.Add($"I{dtoInfo.Name}");
dtoTypeNames.Add($"I{dtoInfo.Name}");
WriteDto(code, dtoInfo, service);
}
code.WriteLine();
Expand All @@ -119,7 +121,7 @@ protected override CodeGenOutput GenerateOutputCore(ServiceInfo service)

if (TypeScript)
{
WriteImports(code, typeNames, $"./{Uncapitalize(moduleName)}Types");
WriteImports(code, requestTypeNames.Concat(responseTypeNames).ToList(), $"./{Uncapitalize(moduleName)}Types");
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I'm assuming the order in which we import things is arbitrary, and we don't care that all the requests are imported first and then response, as opposed to what it was previously import { IRequestOne, IResponseOne, ...IRequestN, IResponseN }

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Maybe we should sort them. Maybe WriteImports should sort them.

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I sorted them alphabetically which maybe is better. Though maybe even better would be to sort them by where they would be used in the file. Which would probably more closely correspond to where they are specified in the fsd file is my guess.

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I could do something like this and replace all this code

		private static void WriteImports(CodeWriter code, IReadOnlyList<string> imports, string from, string fileMinusImports)
		{
			var neededImports = imports.Where(x => fileMinusImports.Contains(x)).ToList();
			if (neededImports.Count != 0)
				code.WriteLine($"import {{ {string.Join(", ", neededImports.OrderBy(x => fileMinusImports.IndexOf(x)))} }} from '{from}';");
		}

though I'd actually have to use a regular expression instead of Contains and IndexOf to ensure IFoo doesn't match IFooBar and I'd have to create a separate StringWriter to get fileMinusImports, which all seems worse.

code.WriteLine($"export * from './{Uncapitalize(moduleName)}Types';");
}

Expand Down Expand Up @@ -314,13 +316,9 @@ protected override CodeGenOutput GenerateOutputCore(ServiceInfo service)
code.WriteLine();
code.WriteLine("import * as bodyParser from 'body-parser';");
code.WriteLine("import * as express from 'express';");
var facilityImports = new List<string>();
if (TypeScript)
facilityImports.Add("IServiceResult");
WriteImports(code, facilityImports, "facility-core");
if (TypeScript)
{
WriteImports(code, typeNames, $"./{Uncapitalize(moduleName)}Types");
WriteImports(code, requestTypeNames, $"./{Uncapitalize(moduleName)}Types");
code.WriteLine($"export * from './{Uncapitalize(moduleName)}Types';");
}

Expand Down