AsyncParallelBailHook.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const Hook = require("./Hook");
const HookCodeFactory = require("./HookCodeFactory");
class AsyncParallelBailHookCodeFactory extends HookCodeFactory {
content({ onError, onResult, onDone }) {
let code = "";
code += `var _results = new Array(${this.options.taps.length});\n`;
code += "var _checkDone = () => {\n";
code += "for(var i = 0; i < _results.length; i++) {\n";
code += "var item = _results[i];\n";
code += "if(item === undefined) return false;\n";
code += "if(item.result !== undefined) {\n";
code += onResult("item.result");
code += "return true;\n";
code += "}\n";
code += "if(item.error) {\n";
code += onError("item.error");
code += "return true;\n";
code += "}\n";
code += "}\n";
code += "return false;\n";
code += "}\n";
code += this.callTapsParallel({
onError: (i, err, done, doneBreak) => {
let code = "";
code += `if(${i} < _results.length && ((_results.length = ${i +
1}), (_results[${i}] = { error: ${err} }), _checkDone())) {\n`;
code += doneBreak(true);
code += "} else {\n";
code += done();
code += "}\n";
return code;
},
onResult: (i, result, done, doneBreak) => {
let code = "";
code += `if(${i} < _results.length && (${result} !== undefined && (_results.length = ${i +
1}), (_results[${i}] = { result: ${result} }), _checkDone())) {\n`;
code += doneBreak(true);
code += "} else {\n";
code += done();
code += "}\n";
return code;
},
onTap: (i, run, done, doneBreak) => {
let code = "";
if (i > 0) {
code += `if(${i} >= _results.length) {\n`;
code += done();
code += "} else {\n";
}
code += run();
if (i > 0) code += "}\n";
return code;
},
onDone
});
return code;
}
}
const factory = new AsyncParallelBailHookCodeFactory();
class AsyncParallelBailHook extends Hook {
compile(options) {
factory.setup(this, options);
return factory.create(options);
}
}
Object.defineProperties(AsyncParallelBailHook.prototype, {
_call: { value: undefined, configurable: true, writable: true }
});
module.exports = AsyncParallelBailHook;