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unboundedpress/node_modules/ava/lib/throws-helper.js

38 lines
1.0 KiB
JavaScript

'use strict';
var fs = require('fs');
var path = require('path');
var chalk = require('chalk');
var globals = require('./globals');
module.exports = function throwsHelper(error) {
if (!error || !error._avaThrowsHelperData) {
return;
}
var data = error._avaThrowsHelperData;
var codeFrame = require('babel-code-frame');
var frame = '';
try {
var rawLines = fs.readFileSync(data.filename, 'utf8');
frame = codeFrame(rawLines, data.line, data.column, {highlightCode: true});
} catch (e) {
console.warn(e);
}
console.error(
[
'Improper usage of t.throws detected at ' + chalk.bold.yellow('%s (%d:%d)') + ':',
frame,
'The first argument to t.throws should be wrapped in a function:',
chalk.cyan(' t.throws(function() {\n %s\n })'),
'Visit the following URL for more details:',
' ' + chalk.blue.underline('https://github.com/avajs/ava#throwsfunctionpromise-error-message')
].join('\n\n'),
path.relative(globals.options.baseDir, data.filename),
data.line,
data.column,
data.source
);
};