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Introduce task.define for more precise task naming

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Alex Dima
2019-02-12 20:00:07 +01:00
parent 79345ff97a
commit bb6a790711
3 changed files with 101 additions and 37 deletions
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39
build/lib/task.js
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@@ -24,14 +24,19 @@ function _renderTime(time) {
seconds -= minutes * 60;
return `${minutes} m and ${seconds} s`;
}
const DONT_SHOW_PLEASE = `DONT_SHOW_PLEASE`;
async function _execute(task) {
const name = task.displayName || task.name || `<anonymous>`;
fancyLog('Starting', ansiColors.cyan(name), '...');
const name = task.taskName || task.displayName || `<anonymous>`;
if (name !== DONT_SHOW_PLEASE) {
fancyLog('Starting', ansiColors.cyan(name), '...');
}
const startTime = process.hrtime();
await _doExecute(task);
const elapsedArr = process.hrtime(startTime);
const elapsedNanoseconds = (elapsedArr[0] * 1e9 + elapsedArr[1]);
fancyLog(`Finished`, ansiColors.cyan(name), 'after', ansiColors.green(_renderTime(elapsedNanoseconds / 1e6)));
if (name !== DONT_SHOW_PLEASE) {
fancyLog(`Finished`, ansiColors.cyan(name), 'after', ansiColors.green(_renderTime(elapsedNanoseconds / 1e6)));
}
}
async function _doExecute(task) {
// Always invoke as if it were a callback task
@@ -63,16 +68,40 @@ async function _doExecute(task) {
});
}
function series(...tasks) {
return async () => {
const result = async () => {
for (let i = 0; i < tasks.length; i++) {
await _execute(tasks[i]);
}
};
result._tasks = tasks;
return result;
}
exports.series = series;
function parallel(...tasks) {
return async () => {
const result = async () => {
await Promise.all(tasks.map(t => _execute(t)));
};
result._tasks = tasks;
return result;
}
exports.parallel = parallel;
function define(name, task) {
if (task._tasks) {
// This is a composite task
const lastTask = task._tasks[task._tasks.length - 1];
if (lastTask._tasks || lastTask.taskName) {
// This is a composite task without a real task function
// => generate a fake task function
return define(name, series(task, () => Promise.resolve()));
}
lastTask.taskName = name;
task.taskName = DONT_SHOW_PLEASE;
task.displayName = name;
return task;
}
// This is a simple task
task.taskName = name;
task.displayName = name;
return task;
}
exports.define = define;