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Lauren Tan
5e0dba9012
For unknown reasons I didn't have the energy to dig into, some Babel Error objects can't be written to so despite formatting the error message, the original one would still be used. To get around this I'm just constructing a fake object with a `name` and `message` so the correctly formatted messages are used.
37 lines
1.4 KiB
JavaScript
37 lines
1.4 KiB
JavaScript
const BabelPluginReactForget = require("../dist/Babel/BabelPlugin").default;
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const transformSync = require("@babel/core").transformSync;
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// Preprocessor that runs Forget on the test262 test prior to execution. Compilation errors short
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// circuit test execution and report an error immediately.
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module.exports = (test) => {
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try {
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const generated = transformSync(test.contents, {
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filename: test.file,
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plugins: [BabelPluginReactForget],
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});
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if (generated.code != null && generated.code !== "") {
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test.contents = generated.code;
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} else {
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throw new Error("Codegen returned an empty string");
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}
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} catch (error) {
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// We use the `stderr` output to group errors so we can count them, so we need to dedupe errors
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// that are the same but differ slightly.
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let { name, message } = error;
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message = message.replace(/\/.*\.js:\s/, ""); // babel seems to output filenames
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message = message.split(/\(\d+:\d+\)/)[0]; // some errors report line numbers and codeframes
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message = message.trim();
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// For unknown reasons I don't have the energy to dig into some Babel error instances can't be
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// written to, so we construct a psedudo object here so the correctly formatted error messages
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// are emitted
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test.result = {
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stderr: `${name}: ${message}\n`,
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stdout: "",
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error: { name, message },
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};
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}
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return test;
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};
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