37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
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/**
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* @fileOverview There is a compatibility problem between eslint and arcanist.
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* ESLint returns a non-zero code on exit if there are any lint errors
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* in the file. But `arc` regex liniters expect to only get an
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* non-zero exit code on true errors (e.g. eslint config errors).
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*
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* So we use this file and the ESLint API to build a version that
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* only returns non-zero on actual errors (which will be unhandled
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* exceptions, so we don't actually need to do anything to achieve)
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*/
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const CLIEngine = require('eslint').CLIEngine;
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const cli = new CLIEngine();
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/**
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* Get the file to lint from the command line. The command line is always
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* argv[0] - node exe
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* argv[1] - this script
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* argv[2] - the file passed on the command line
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*/
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if (process.argv.length !== 3) {
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throw new Error('Must pass exactly 1 file on the command line');
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}
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const filename = process.argv[2];
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// Lint the file passed in
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const report = cli.executeOnFiles([filename]);
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// Get the compact formatter
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const formatter = cli.getFormatter('compact');
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// Output to stdout so it can be picked up by the arcanist regex
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process.stdout.write(formatter(report.results));
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// Allow the program to exit normally, which will return code 0
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