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feat(endpoint): endpoints 2.0 existing package changes (#3947)
* feat(endpoint): endpoints 2.0 existing package changes * feat(endpoint): enable middleware stack identification * feat(endpoint): update existing packages for endpoints v2 * feat(endpoint): address PR style comments * feat(endpoint): fixes to types * feat(endpoint): additional fixes from testing * feat(endpoint): s3 presigned post fixes for endpoints 2.0 * feat(endpoint): unit test fixes * feat(endpoint): type fixes * feat(endpoint): types and docs updates * feat(endpoint): s3 bucket name forcePathStyle * feat(endpoint): type fix * feat(endpoint): java code format * feat(endpoint): type fix Co-authored-by: AllanZhengYP <[email protected]>
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77 changes: 77 additions & 0 deletions
77
packages/middleware-endpoint/src/adaptors/getEndpointFromInstructions.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| import { EndpointParameters, EndpointV2, HandlerExecutionContext } from "@aws-sdk/types"; | ||
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| import { EndpointResolvedConfig } from "../resolveEndpointConfig"; | ||
| import { EndpointParameterInstructions } from "../types"; | ||
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| export type EndpointParameterInstructionsSupplier = Partial<{ | ||
| getEndpointParameterInstructions(): EndpointParameterInstructions; | ||
| }>; | ||
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| /** | ||
| * This step in the endpoint resolution process is exposed as a function | ||
| * to allow packages such as signers, lib-upload, etc. to get | ||
| * the V2 Endpoint associated to an instance of some api operation command | ||
| * without needing to send it or resolve its middleware stack. | ||
| * | ||
| * @private | ||
| * @param commandInput - the input of the Command in question. | ||
| * @param instructionsSupplier - this is typically a Command constructor. A static function supplying the | ||
| * endpoint parameter instructions will exist for commands in services | ||
| * having an endpoints ruleset trait. | ||
| * @param clientConfig - config of the service client. | ||
| * @param context - optional context. | ||
| */ | ||
| export const getEndpointFromInstructions = async < | ||
| T extends EndpointParameters, | ||
| CommandInput extends Record<string, unknown>, | ||
| Config extends Record<string, unknown> | ||
| >( | ||
| commandInput: CommandInput, | ||
| instructionsSupplier: EndpointParameterInstructionsSupplier, | ||
| clientConfig: Partial<EndpointResolvedConfig<T>> & Config, | ||
| context?: HandlerExecutionContext | ||
| ): Promise<EndpointV2> => { | ||
| const endpointParams: EndpointParameters = {}; | ||
| const instructions: EndpointParameterInstructions = | ||
| (instructionsSupplier.getEndpointParameterInstructions || (() => null))() || {}; | ||
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| if (typeof clientConfig.endpointProvider !== "function") { | ||
| throw new Error("config.endpointProvider is not set."); | ||
| } | ||
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| for (const [name, instruction] of Object.entries(instructions)) { | ||
| switch (instruction.type) { | ||
| case "staticContextParams": | ||
| endpointParams[name] = instruction.value; | ||
| break; | ||
| case "contextParams": | ||
| endpointParams[name] = commandInput[instruction.name] as string | boolean; | ||
| break; | ||
| case "clientContextParams": | ||
| case "builtInParams": | ||
| endpointParams[name] = await createConfigProvider<Config>(instruction.name, clientConfig)(); | ||
| break; | ||
| default: | ||
| throw new Error("Unrecognized endpoint parameter instruction: " + JSON.stringify(instruction)); | ||
| } | ||
| } | ||
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| const endpoint: EndpointV2 = clientConfig.endpointProvider!(endpointParams as T, context); | ||
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| return endpoint; | ||
| }; | ||
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| /** | ||
| * Normalize some key of the client config to an async provider. | ||
| * @private | ||
| */ | ||
| const createConfigProvider = <Config extends Record<string, unknown>>(configKey: string, config: Config) => { | ||
| const configProvider = async () => { | ||
| const configValue: unknown = config[configKey]; | ||
| if (typeof configValue === "function") { | ||
| return configValue(); | ||
| } | ||
| return configValue; | ||
| }; | ||
| return configProvider; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| export * from "./getEndpointFromInstructions"; | ||
| export * from "./toEndpointV1"; |
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