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https://github.com/pybricks/pybricks-code.git
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David Lechner
9641898a75
The pattern we were using for actions required actions to be defined in three places, an enum member containing the type string, an type definition and a function. This combines all three of these into one by using a helper function based on the ideas from [1]. [1]: https://phryneas.de/redux-typescript-no-discriminating-union
34 lines
1.1 KiB
TypeScript
34 lines
1.1 KiB
TypeScript
// SPDX-License-Identifier: MIT
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// Copyright (c) 2020,2022 The Pybricks Authors
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import { compile as mpyCrossCompile } from '@pybricks/mpy-cross-v5';
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import wasm from '@pybricks/mpy-cross-v5/build/mpy-cross.wasm';
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import { call, put, takeEvery } from 'typed-redux-saga/macro';
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import { compile, didCompile, didFailToCompile } from './actions';
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/**
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* Compiles a script to .mpy and dispatches either didCompile on success or
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* didFailToCompile on error.
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* @param action A mpy compile action.
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*/
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function* handleCompile(action: ReturnType<typeof compile>): Generator {
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const result = yield* call(() =>
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mpyCrossCompile(
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'main.py',
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action.script,
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action.options,
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// HACK: testing user agent for jsdom is needed only for getting unit tests to work
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navigator.userAgent.includes('jsdom') ? undefined : wasm,
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),
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);
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if (result.status === 0 && result.mpy) {
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yield* put(didCompile(result.mpy));
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} else {
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yield* put(didFailToCompile(result.err));
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}
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}
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export default function* (): Generator {
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yield* takeEvery(compile, handleCompile);
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}
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