var intervalId = setInterval(function(){
if (runningInstances >= maxInstances) return;
runningInstances += 1;
clearInterval(intervalId);
// If we are running in watch mode, and we have previously compiled
// the current file, then let the user know that elm-make is running
// and can be slow
if (alreadyCompiledFiles.indexOf(input) > -1){
console.log('Started compiling Elm..');
}
var compilation = elmCompiler.compileToString(input, options)
.then(function(v) { runningInstances -= 1; return { kind: 'success', result: v }; })
.catch(function(v) { runningInstances -= 1; return { kind: 'error', error: v }; });
promises.push(compilation);
Promise.all(promises)
.then(function(results) {
var output = results[results.length - 1]; // compilation output is always last
if (output.kind == 'success') {
alreadyCompiledFiles.push(input);
callback(null, output.result);
} else {
output.error.message = 'Compiler process exited with error ' + output.error.message;
callback(output.error);
}
}).catch(function(err){
callback(err);
});
}, 200);
module.exports = function() {
this.cacheable && this.cacheable();
var callback = this.async();
if (!callback) {
throw 'elm-webpack-loader currently only supports async mode.';
}
var input = getInput.call(this);
var options = getOptions.call(this);
var dependencies = Promise.resolve()
.then(function() {
if (!options.cache || cachedDependencies.length === 0) {
return elmCompiler.findAllDependencies(input).then(addDependencies.bind(this));
}
}.bind(this));
var compilation = elmCompiler.compileToString(input, options);
Promise.all([dependencies, compilation])
.then(function(results) {
var output = results[1]; // compilation output
if (options.appendExport) {
var outputWithExport = [output, 'module.exports = Elm;'].join('\n');
callback(null, outputWithExport);
} else {
callback(null, output);
}
})
.catch(function(err) {
callback('Compiler process exited with error ' + err);
});
}
async function compileElm(elmFile) {
console.log('Compiling %s', elmFile)
let dirname = await findElmDirectory(elmFile)
try {
let data = await compiler.compileToString(
[elmFile], {yes: true, cwd: dirname})
return data.toString()
} catch (err) {
let text = err.toString().replace(/`/g, '\\`')
return 'console.error(`' + text + '`)'
}
}
var compile = function (filename) {
return compiler.compileToString([filename], {yes: true, cwd: fixturesDir})
.then(function (data) {
return data.toString();
});
}
var compile = function (filename) {
return compiler.compileToString([filename], {yes: true, cwd: fixturesDir})
.then(function (data) {
return [data.toString(), 'module.exports = Elm;'].join('\n');
});
}