How to use the mrm-core.MrmError function in mrm-core
To help you get started, we’ve selected a few mrm-core examples, based on popular ways it is used in public projects.
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sapegin / mrm / src / tasks / codecov / index.js View on Github 
const travisYml = yaml('.travis.yml');
// Require .travis.yml
if (!travisYml.exists()) {
throw new MrmError(
`Run travis task first:
mrm travis`
);
}
const pkg = packageJson();
// Require coverage npm script
if (!pkg.getScript(coverageScript)) {
throw new MrmError(
`${coverageScript} npm script not found. To add Jest run:
mrm jest`
);
}
// .travis.yml
if (!travisYml.get('after_success', []).includes(uploadCommand)) {
travisYml
.merge({
script: [`npm run ${coverageScript}`],
after_success: [uploadCommand],
})
.save();
}
