Build server prototype (integration with GitHub / NuGet / etc)
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micro-build-server/BuildServer/lib/task-processor.js

96 lines
3.0 KiB

"use strict";
const _ = require("underscore");
const tasks = require("./tasks");
// TaskProcessor does not look like EventEmitter, so no need to extend EventEmitter and use `emit' here.
const TaskProcessor = function (task, outerProcessor, callback) {
if (!this) {
return new TaskProcessor(task);
}
const that = this;
const createTaskWorker = () => tasks[task.type](task.params || {}, that);
const errors = [];
const process = () => createTaskWorker().process();
const getOuterPrefix = (prefix) => {
if (task.name && prefix) {
return `${task.name}/${prefix}`;
}
return String(task.name || "") + String(prefix || "");
};
const onError = (message, prefix) => {
errors.push(message);
outerProcessor.onError(message, getOuterPrefix(prefix));
};
const onWarn = (message, prefix) => outerProcessor.onWarn(message, getOuterPrefix(prefix));
const onInfo = (message, prefix) => outerProcessor.onInfo(message, getOuterPrefix(prefix));
const processTask = (innerTask, innerCallback) => {
const innerProcessor = new TaskProcessor(innerTask, that, innerCallback);
innerProcessor.process();
};
const done = () => callback(errors.join("\r\n"));
that.process = process;
that.onError = onError;
that.onWarn = onWarn;
that.onInfo = onInfo;
that.processTask = processTask;
that.done = done;
that.context = outerProcessor.context;
};
const pushMessage = (list, message, parts, index) => {
if (!index) {
list.$allMessages = list.$allMessages || []; // eslint-disable-line fp/no-mutation
list.$allMessages.push({ // eslint-disable-line fp/no-mutating-methods
message,
"prefix": parts.join("/")
});
}
list.$messages = list.$messages || []; // eslint-disable-line fp/no-mutation
if (index === parts.length) {
return list.$messages.push(message); // eslint-disable-line fp/no-mutating-methods
}
return pushMessage(list, message, parts, index + 1);
};
const addFlag = (flags) => (flagName) => {
flags[flagName] = true; // eslint-disable-line fp/no-mutation
};
const containsFlag = (flags) => (flagName) => flags[flagName];
exports.processTask = (task, context, callback) => {
const errors = {};
const warns = {};
const infos = {};
const messages = {};
const messageProcessor = (list) => (message, prefix) => {
const parts = prefix.split("/");
pushMessage(list, message, parts, 0);
pushMessage(messages, message, parts, 0);
};
const flags = {};
const processor = new TaskProcessor(task, {
"context": _.extend(context, {
"addFlag": addFlag(flags),
"containsFlag": containsFlag(flags)
}),
"onError": messageProcessor(errors),
"onInfo": messageProcessor(infos),
"onWarn": messageProcessor(warns)
}, (err) => callback(err, {
errors,
infos,
messages,
warns
}));
processor.process();
};