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add cloudflare workers serving proxy
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7 files changed

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.github/workflows/build.yml

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@@ -77,17 +77,17 @@ jobs:
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aws s3 cp \
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--endpoint-url https://${{ secrets.R2_ACCOUNT_ID }}.r2.cloudflarestorage.com \
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./release/protobuf.osx_arm64.duckdb_extension \
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s3://duckdb-extensions/v1.1.0/osx_arm64/protobuf.duckdb_extension
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s3://duckdb-extensions/duckdb-api-version/v0.0.1/osx_arm64/protobuf.duckdb_extension
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aws s3 cp \
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--endpoint-url https://${{ secrets.R2_ACCOUNT_ID }}.r2.cloudflarestorage.com \
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./release/protobuf.linux_amd64_gcc4.duckdb_extension \
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s3://duckdb-extensions/v1.1.0/linux_amd64_gcc4/protobuf.duckdb_extension
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s3://duckdb-extensions/duckdb-api-version/v0.0.1/linux_amd64_gcc4/protobuf.duckdb_extension
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aws s3 cp \
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--endpoint-url https://${{ secrets.R2_ACCOUNT_ID }}.r2.cloudflarestorage.com \
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./release/protobuf.windows_amd64.duckdb_extension \
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s3://duckdb-extensions/v1.1.0/windows_amd64/protobuf.duckdb_extension
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s3://duckdb-extensions/duckdb-api-version/v0.0.1/windows_amd64/protobuf.duckdb_extension
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- name: release
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uses: softprops/action-gh-release@v2

packages/serving/.gitignore

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node_modules

packages/serving/package.json

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{
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"name": "serving",
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"version": "1.0.0",
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"main": "index.js",
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"license": "MIT",
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"scripts": {
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"deploy": "wrangler"
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},
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"devDependencies": {
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"@cloudflare/workers-types": "^4.20241218.0",
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"@types/semver": "^7.5.8",
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"prettier": "^3.4.2",
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"wrangler": "^3.99.0"
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},
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"dependencies": {
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"semver": "^7.6.3"
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}
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}

packages/serving/src/worker.ts

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import semver from "semver";
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import { WorkerEntrypoint } from "cloudflare:workers";
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type Env = {
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BUCKET: R2Bucket;
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};
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const versionMappings = [{ range: "^1.0.0", apiVersion: "v0.0.1" }];
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export default class extends WorkerEntrypoint<Env> {
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async fetch(request: Request) {
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const url = new URL(request.url);
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const pathSegments = url.pathname.split("/");
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const requestedVersion = pathSegments.shift();
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if (!requestedVersion) {
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return new Response("not found", { status: 404 });
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}
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const releaseMapping = versionMappings.find((entry) =>
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semver.satisfies(requestedVersion, entry.range),
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);
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if (!releaseMapping) {
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return new Response("not found", { status: 404 });
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}
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const apiVersion = releaseMapping.apiVersion;
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const path = ['duckdb-api-version', apiVersion].concat(pathSegments).join("/");
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const object = await this.env.BUCKET.get(path);
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if (!object) {
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return new Response("not found", { status: 404 });
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}
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return new Response(object.body);
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}
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}

packages/serving/tsconfig.json

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{
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"compilerOptions": {
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/* Visit https://aka.ms/tsconfig to read more about this file */
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/* Projects */
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// "incremental": true, /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
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// "composite": true, /* Enable constraints that allow a TypeScript project to be used with project references. */
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// "tsBuildInfoFile": "./.tsbuildinfo", /* Specify the path to .tsbuildinfo incremental compilation file. */
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// "disableSourceOfProjectReferenceRedirect": true, /* Disable preferring source files instead of declaration files when referencing composite projects. */
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// "disableSolutionSearching": true, /* Opt a project out of multi-project reference checking when editing. */
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// "disableReferencedProjectLoad": true, /* Reduce the number of projects loaded automatically by TypeScript. */
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/* Language and Environment */
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"target": "es2021", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
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// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
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// "jsx": "preserve", /* Specify what JSX code is generated. */
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// "experimentalDecorators": true, /* Enable experimental support for legacy experimental decorators. */
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// "emitDecoratorMetadata": true, /* Emit design-type metadata for decorated declarations in source files. */
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// "jsxFactory": "", /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
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// "jsxFragmentFactory": "", /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
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// "jsxImportSource": "", /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
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// "reactNamespace": "", /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
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// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
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// "useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
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// "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */
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/* Modules */
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"module": "esnext", /* Specify what module code is generated. */
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// "rootDir": "./", /* Specify the root folder within your source files. */
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"moduleResolution": "nodeNext", /* Specify how TypeScript looks up a file from a given module specifier. */
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// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
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// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
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// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
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// "typeRoots": [], /* Specify multiple folders that act like './node_modules/@types'. */
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"types": [
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"@cloudflare/workers-types"
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], /* Specify type package names to be included without being referenced in a source file. */
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// "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */
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// "moduleSuffixes": [], /* List of file name suffixes to search when resolving a module. */
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// "allowImportingTsExtensions": true, /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
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// "resolvePackageJsonExports": true, /* Use the package.json 'exports' field when resolving package imports. */
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// "resolvePackageJsonImports": true, /* Use the package.json 'imports' field when resolving imports. */
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// "customConditions": [], /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
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// "resolveJsonModule": true, /* Enable importing .json files. */
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// "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */
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// "noResolve": true, /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
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/* JavaScript Support */
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// "allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
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// "checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
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// "maxNodeModuleJsDepth": 1, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
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/* Emit */
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// "declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
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// "declarationMap": true, /* Create sourcemaps for d.ts files. */
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// "emitDeclarationOnly": true, /* Only output d.ts files and not JavaScript files. */
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// "sourceMap": true, /* Create source map files for emitted JavaScript files. */
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// "inlineSourceMap": true, /* Include sourcemap files inside the emitted JavaScript. */
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// "outFile": "./", /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
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// "outDir": "./", /* Specify an output folder for all emitted files. */
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// "removeComments": true, /* Disable emitting comments. */
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"noEmit": true, /* Disable emitting files from a compilation. */
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// "importHelpers": true, /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
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// "downlevelIteration": true, /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
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// "sourceRoot": "", /* Specify the root path for debuggers to find the reference source code. */
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// "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */
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// "inlineSources": true, /* Include source code in the sourcemaps inside the emitted JavaScript. */
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// "emitBOM": true, /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
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// "newLine": "crlf", /* Set the newline character for emitting files. */
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// "stripInternal": true, /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
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// "noEmitHelpers": true, /* Disable generating custom helper functions like '__extends' in compiled output. */
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// "noEmitOnError": true, /* Disable emitting files if any type checking errors are reported. */
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// "preserveConstEnums": true, /* Disable erasing 'const enum' declarations in generated code. */
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// "declarationDir": "./", /* Specify the output directory for generated declaration files. */
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/* Interop Constraints */
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// "isolatedModules": true, /* Ensure that each file can be safely transpiled without relying on other imports. */
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// "verbatimModuleSyntax": true, /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
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// "isolatedDeclarations": true, /* Require sufficient annotation on exports so other tools can trivially generate declaration files. */
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// "allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
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"esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
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// "preserveSymlinks": true, /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
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"forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
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/* Type Checking */
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"strict": true, /* Enable all strict type-checking options. */
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// "noImplicitAny": true, /* Enable error reporting for expressions and declarations with an implied 'any' type. */
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// "strictNullChecks": true, /* When type checking, take into account 'null' and 'undefined'. */
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// "strictFunctionTypes": true, /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
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// "strictBindCallApply": true, /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
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// "strictPropertyInitialization": true, /* Check for class properties that are declared but not set in the constructor. */
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// "noImplicitThis": true, /* Enable error reporting when 'this' is given the type 'any'. */
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// "useUnknownInCatchVariables": true, /* Default catch clause variables as 'unknown' instead of 'any'. */
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// "alwaysStrict": true, /* Ensure 'use strict' is always emitted. */
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// "noUnusedLocals": true, /* Enable error reporting when local variables aren't read. */
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// "noUnusedParameters": true, /* Raise an error when a function parameter isn't read. */
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// "exactOptionalPropertyTypes": true, /* Interpret optional property types as written, rather than adding 'undefined'. */
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// "noImplicitReturns": true, /* Enable error reporting for codepaths that do not explicitly return in a function. */
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// "noFallthroughCasesInSwitch": true, /* Enable error reporting for fallthrough cases in switch statements. */
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// "noUncheckedIndexedAccess": true, /* Add 'undefined' to a type when accessed using an index. */
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// "noImplicitOverride": true, /* Ensure overriding members in derived classes are marked with an override modifier. */
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// "noPropertyAccessFromIndexSignature": true, /* Enforces using indexed accessors for keys declared using an indexed type. */
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// "allowUnusedLabels": true, /* Disable error reporting for unused labels. */
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// "allowUnreachableCode": true, /* Disable error reporting for unreachable code. */
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/* Completeness */
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// "skipDefaultLibCheck": true, /* Skip type checking .d.ts files that are included with TypeScript. */
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"skipLibCheck": true /* Skip type checking all .d.ts files. */
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}
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}

packages/serving/wrangler.toml

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#:schema node_modules/wrangler/config-schema.json
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name = "duckdb_protobuf_serving"
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main = "src/worker.ts"
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compatibility_date = "2024-06-20"
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compatibility_flags = ["nodejs_compat"]
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[[r2_buckets]]
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binding = "BUCKET"
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bucket_name = "duckdb-extensions"

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