mirror of
https://github.com/Azure/cosmos-explorer.git
synced 2024-11-25 15:06:55 +00:00
7b568df150
* changed the variable enablePriorityBasedThrottling to enablePriorityBasedExecution * Update the arm client version to '2023-09-15-preview' to fetch the status for the 'enablePriorityBasedExecution' property and performed the respective changes for priority based execution to grab the changes from the DatabaseAccount data model * formatting changes to all the committed files * review comments - removed the variable and added the check in the if loop itself * check style changes --------- Co-authored-by: Faiz Chachiya <faizchachiya@microsoft.com>
296 lines
11 KiB
TypeScript
296 lines
11 KiB
TypeScript
/* eslint-disable no-console */
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/// <reference types="node" />
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import { writeFileSync } from "fs";
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import mkdirp from "mkdirp";
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import fetch from "node-fetch";
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import * as path from "path";
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/*
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Open API TypeScript Client Generator
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This is a bespoke Open API client generator not intended for general public use.
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It is not designed to handle the full OpenAPI spec.
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Many other more general purpose generators exist, but their output is very verbose and overly complex for our use case.
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But it does work well enough to generate a fully typed tree-shakeable client for the Cosmos resource provider.
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Results of this file should be checked into the repo.
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*/
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// CHANGE THESE VALUES TO GENERATE NEW CLIENTS
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const version = "2023-09-15-preview";
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/* The following are legal options for resourceName but you generally will only use cosmos-db:
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"cosmos-db" | "managedCassandra" | "mongorbac" | "notebook" | "privateEndpointConnection" | "privateLinkResources" |
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"rbac" | "restorable" | "services"
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*/
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const githubResourceName = "cosmos-db";
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const deResourceName = "cosmos";
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const schemaURL = `https://raw.githubusercontent.com/Azure/azure-rest-api-specs/main/specification/cosmos-db/resource-manager/Microsoft.DocumentDB/preview/${version}/${githubResourceName}.json`;
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const outputDir = path.join(__dirname, `../../src/Utils/arm/generatedClients/${deResourceName}`);
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// Array of strings to use for eventual output
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const outputTypes: string[] = [""];
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mkdirp.sync(outputDir);
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// Buckets for grouping operations based on their name
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interface Client {
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paths: string[];
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functions: string[];
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constructorParams: string[];
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}
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const clients: { [key: string]: Client } = {};
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// Mapping for OpenAPI types to TypeScript types
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const propertyMap: { [key: string]: string } = {
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integer: "number",
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};
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// Converts a Open API reference: "#/definitions/Foo" to a type name: Foo
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function refToType(path: string | undefined, namespace?: string) {
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// References must be in the same file. Bail to `unknown` types for remote references
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if (path && path.startsWith("#")) {
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const type = path.split("/").pop();
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return namespace ? `${namespace}.${type}` : type;
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}
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return "unknown";
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}
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// Converts "Something_Foo" -> "somethingFoo"
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function camelize(str: string) {
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return str
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.replace(/(?:^\w|[A-Z]|\b\w)/g, (word: string, index: number) => {
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return index === 0 ? word.toLowerCase() : word.toUpperCase();
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})
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.replace(/\s+/g, "");
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}
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// Converts a body paramter to the equivalent typescript function parameter type
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function bodyParam(parameter: { schema: { $ref: string } }, namespace: string) {
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if (!parameter) {
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return "";
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}
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return `,body: ${refToType(parameter.schema.$ref, namespace)}`;
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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function parametersFromPath(path: string) {
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// TODO: Remove any. String.matchAll is a real thing.
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const matches = (path as any).matchAll(/{(\w+)}/g);
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return Array.from(matches).map((match: string[]) => match[1]);
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}
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type Operation = { responses: { [key: string]: { schema: { $ref: string } } } };
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// Converts OpenAPI response definition to TypeScript return type. Uses unions if possible. Bails to unknown
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function responseType(operation: Operation, namespace: string) {
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if (operation.responses) {
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return Object.keys(operation.responses)
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.map((responseCode: string) => {
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if (!operation.responses[responseCode].schema) {
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return "void";
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}
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return refToType(operation.responses[responseCode].schema.$ref, namespace);
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})
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.filter((value, index, array) => array.indexOf(value) === index)
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.filter((value) => value !== "unknown")
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.join(" | ");
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}
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return "unknown";
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}
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interface Property {
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$ref?: string;
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description?: string;
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readOnly?: boolean;
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type: "array" | "object" | "unknown";
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properties: Property[];
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items?: {
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$ref: string;
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};
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enum?: string[];
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allOf?: {
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$ref: string;
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}[];
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}
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const propertyToType = (property: Property, prop: string, required: boolean) => {
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if (property) {
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if (property.allOf) {
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outputTypes.push(`
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/* ${property.description || "undocumented"} */
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${property.readOnly ? "readonly " : ""}${prop}${
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required ? "" : "?"
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}: ${property.allOf.map((allof: { $ref: string }) => refToType(allof.$ref)).join(" & ")}`);
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} else if (property.$ref) {
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const type = refToType(property.$ref);
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outputTypes.push(`
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/* ${property.description || "undocumented"} */
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${property.readOnly ? "readonly " : ""}${prop}${required ? "" : "?"}: ${type}
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`);
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} else if (property.type === "array") {
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const type = refToType(property.items.$ref);
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outputTypes.push(`
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/* ${property.description || "undocumented"} */
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${property.readOnly ? "readonly " : ""}${prop}${required ? "" : "?"}: ${type}[]
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`);
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} else if (property.type === "object") {
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const type = refToType(property.$ref);
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outputTypes.push(`
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/* ${property.description || "undocumented"} */
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${property.readOnly ? "readonly " : ""}${prop}${required ? "" : "?"}: ${type}
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`);
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} else if (property.enum) {
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outputTypes.push(`
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/* ${property.description || "undocumented"} */
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${property.readOnly ? "readonly " : ""}${prop}${required ? "" : "?"}: ${property.enum
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.map((v: string) => `"${v}"`)
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.join(" | ")}
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`);
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} else {
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if (property.type === undefined) {
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console.log(`generator.ts - UNHANDLED TYPE: ${prop}. Falling back to unknown`);
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property.type = "unknown";
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}
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outputTypes.push(`
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/* ${property.description || "undocumented"} */
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${property.readOnly ? "readonly " : ""}${prop}${required ? "" : "?"}: ${
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propertyMap[property.type] ? propertyMap[property.type] : property.type
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}`);
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}
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}
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};
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async function main() {
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const response = await fetch(schemaURL);
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const schema = await response.json();
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// STEP 1: Convert all definitions to TypeScript types and interfaces
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for (const definition in schema.definitions) {
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const properties = schema.definitions[definition].properties;
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if (properties) {
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outputTypes.push(`
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/* ${schema.definitions[definition].description || "undocumented"} */
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`);
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if (schema.definitions[definition].allOf) {
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const baseTypes = schema.definitions[definition].allOf
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.map((allof: { $ref: string }) => refToType(allof.$ref))
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.join(" & ");
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outputTypes.push(`export type ${definition} = ${baseTypes} & {`);
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} else {
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outputTypes.push(`export interface ${definition} {`);
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}
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for (const prop in schema.definitions[definition].properties) {
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const property = schema.definitions[definition].properties[prop];
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propertyToType(property, prop, schema.definitions[definition].required?.includes(prop));
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}
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outputTypes.push(`}`);
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outputTypes.push("\n\n");
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} else {
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const def = schema.definitions[definition];
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if (def.enum) {
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outputTypes.push(`
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/* ${def.description || "undocumented"} */
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export type ${definition} = ${def.enum.map((v: string) => `"${v}"`).join(" | ")}`);
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outputTypes.push("\n");
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} else if (def.type === "string") {
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outputTypes.push(`
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/* ${def.description || "undocumented"} */
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export type ${definition} = string
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`);
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} else if (def.type === "array") {
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const type = refToType(def.items.$ref);
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outputTypes.push(`
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/* ${def.description || "undocumented"} */
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export type ${definition} = ${type}[]
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`);
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} else if (def.type === "object" && def.additionalProperties) {
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outputTypes.push(`
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/* ${def.description || "undocumented"} */
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export type ${definition} = { [key: string]: ${def.additionalProperties.type}}
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`);
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} else if (def.type === "object" && def.allOf) {
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const type = refToType(def.allOf[0].$ref);
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outputTypes.push(`
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/* ${def.description} */
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export type ${definition} = ${type}
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`);
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} else {
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console.log("generator.ts - UNHANDLED MODEL:", def, schema.definitions[def]);
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}
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}
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}
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// STEP 2: Group all paths by output client and extract common constructor parameters
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// Functions are grouped into clients based on operation name
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for (const path in schema.paths) {
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for (const method in schema.paths[path]) {
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const operation = schema.paths[path][method];
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const [namespace] = operation.operationId.split("_");
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if (clients[namespace] === undefined) {
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clients[namespace] = { paths: [], functions: [], constructorParams: [] };
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clients[namespace];
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}
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if (!clients[namespace].paths.includes(path)) {
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clients[namespace].paths.push(path);
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}
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}
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}
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// Write all grouped fetch functions to objects
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for (const clientName in clients) {
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const outputClient: string[] = [""];
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outputClient.push(`import { armRequest } from "../../request"\n`);
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outputClient.push(`import * as Types from "./types"\n`);
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outputClient.push(`import { configContext } from "../../../../ConfigContext";\n`);
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outputClient.push(`const apiVersion = "${version}"\n\n`);
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for (const path of clients[clientName].paths) {
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for (const method in schema.paths[path]) {
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const operation = schema.paths[path][method];
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const [, methodName] = operation.operationId.split("_");
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const bodyParameter = operation.parameters.find(
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(parameter: { in: string; required: boolean }) => parameter.in === "body" && parameter.required === true
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);
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outputClient.push(`
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/* ${operation.description || "undocumented"} */
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export async function ${sanitize(camelize(methodName))} (
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${parametersFromPath(path)
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.map((p) => `${p}: string`)
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.join(",\n")}
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${bodyParam(bodyParameter, "Types")}
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) : Promise<${responseType(operation, "Types")}> {
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const path = \`${path.replace(/{/g, "${")}\`
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return armRequest({ host: configContext.ARM_ENDPOINT, path, method: "${method.toLocaleUpperCase()}", apiVersion, ${
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bodyParameter ? "body" : ""
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} })
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}
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`);
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}
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}
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writeOutputFile(`./${camelize(clientName)}.ts`, outputClient);
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}
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writeOutputFile("./types.ts", outputTypes);
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}
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function sanitize(name: string) {
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if (name === "delete") {
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return "destroy";
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}
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return name;
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}
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function writeOutputFile(outputPath: string, components: string[]) {
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components.unshift(`/*
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AUTOGENERATED FILE
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Run "npm run generateARMClients" to regenerate
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Edting this file directly should be done with extreme caution as not to diverge from ARM REST specs
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Generated from: ${schemaURL}
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*/\n\n`);
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writeFileSync(path.join(outputDir, outputPath), components.join(""));
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}
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main().catch((e) => {
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console.error(e);
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process.exit(1);
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});
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