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helpers.js
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helpers.js
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var fs = require('fs');
var path = require('path');
var webpack = require('webpack');
var ForkTsCheckerWebpackPlugin = require('../../lib/index');
var IncrementalChecker = require('../../lib/IncrementalChecker')
.IncrementalChecker;
var NormalizedMessageFactories = require('../../lib/NormalizedMessageFactories');
var webpackMajorVersion = require('./webpackVersion')();
var VueLoaderPlugin =
webpackMajorVersion >= 4 ? require('vue-loader/lib/plugin') : undefined;
exports.createVueCompiler = function(options) {
var plugin = new ForkTsCheckerWebpackPlugin({ ...options, silent: true });
var compiler = webpack({
...(webpackMajorVersion >= 4 ? { mode: 'development' } : {}),
context: path.resolve(__dirname, './vue'),
entry: './src/index.ts',
output: {
path: path.resolve(__dirname, '../../tmp')
},
resolve: {
extensions: ['.ts', '.js', '.vue', '.json'],
alias: {
'@': path.resolve(__dirname, './vue/src')
}
},
module: {
rules: [
{
test: /\.vue$/,
loader: 'vue-loader'
},
{
test: /\.ts$/,
loader: 'ts-loader',
options: {
appendTsSuffixTo: [/\.vue$/],
transpileOnly: true,
silent: true
}
},
{
test: /\.css$/,
loader: 'css-loader'
}
]
},
plugins:
webpackMajorVersion >= 4 ? [new VueLoaderPlugin(), plugin] : [plugin]
});
var files = {
'example.vue': path.resolve(compiler.context, 'src/example.vue'),
'syntacticError.ts': path.resolve(compiler.context, 'src/syntacticError.ts')
};
var checker = new IncrementalChecker(
require('typescript'),
NormalizedMessageFactories.makeCreateNormalizedMessageFromDiagnostic(
require('typescript')
),
NormalizedMessageFactories.makeCreateNormalizedMessageFromRuleFailure,
plugin.tsconfigPath,
{},
path.resolve(__dirname, './vue'),
plugin.tslintPath || false,
plugin.tslintAutoFix || false,
[compiler.context],
ForkTsCheckerWebpackPlugin.ONE_CPU,
1,
plugin.checkSyntacticErrors,
plugin.vue
);
checker.nextIteration();
return { plugin, compiler, files, checker };
};
exports.createCompiler = function(
options,
happyPackMode,
entryPoint = './src/index.ts',
context = './project'
) {
var plugin = new ForkTsCheckerWebpackPlugin({ ...options, silent: true });
var tsLoaderOptions = happyPackMode
? { happyPackMode: true, silent: true }
: { transpileOnly: true, silent: true };
var webpackInstance = webpack({
...(webpackMajorVersion >= 4 ? { mode: 'development' } : {}),
context: path.resolve(__dirname, context),
entry: entryPoint,
output: {
path: path.resolve(__dirname, '../../tmp')
},
module: {
rules: [
{
test: /\.tsx?$/,
loader: 'ts-loader',
options: tsLoaderOptions
}
]
},
plugins: [plugin]
});
return { webpack: webpackInstance, plugin };
};
exports.writeContentsToLintingErrorFile = (fileName, data) => {
const promise = new Promise((resolve, reject) => {
try {
fs.writeFileSync(
path.resolve(__dirname, `./project/src/${fileName}.ts`),
data,
{ flag: 'w' }
);
} catch (e) {
return reject(e);
}
return resolve();
});
return promise;
};
exports.testLintAutoFixTest = (
testCallback,
fileName,
options,
afterCompilerRan
) => {
const lintErrorFileContents = `function someFunctionName(param1,param2){return param1+param2};
`;
const formattedFileContents = `function someFunctionName(param1, param2) {return param1 + param2; }
`;
exports.writeContentsToLintingErrorFile(fileName, lintErrorFileContents).then(
() => {
var compiler = exports.createCompiler(
options,
false,
`./src/${fileName}.ts`
).webpack;
const deleteFile = () =>
fs.unlinkSync(path.resolve(__dirname, `./project/src/${fileName}.ts`));
compiler.run(function(err, stats) {
/*
Helpful to wrap this in a try catch.
If the assertion fails we still need to cleanup
the temporary file created as part of the test
*/
try {
afterCompilerRan(err, stats, formattedFileContents);
} finally {
deleteFile();
}
testCallback();
});
},
err => {
throw err;
}
);
};
exports.testLintHierarchicalConfigs = (
testCallback,
options,
afterCompilerRan
) => {
var compiler = exports.createCompiler(
options,
false,
'./index.ts',
'./project_hierarchical_tslint'
).webpack;
compiler.run(function(err, stats) {
try {
afterCompilerRan(err, stats);
} finally {
testCallback();
}
});
};