How to use the gulp.emit function in gulp
To help you get started, we’ve selected a few gulp examples, based on popular ways it is used in public projects.
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react-component / rc-tools / lib / cli / run.js View on Github 
function runTask(toRun) {
const gulp = require('gulp');
const metadata = { task: toRun };
// Gulp >= 4.0.0 (doesn't support events)
const taskInstance = gulp.task(toRun);
if (taskInstance === undefined) {
gulp.emit('task_not_found', metadata);
return;
}
const start = process.hrtime();
gulp.emit('task_start', metadata);
try {
taskInstance.apply(gulp);
metadata.hrDuration = process.hrtime(start);
gulp.emit('task_stop', metadata);
gulp.emit('stop');
} catch (err) {
err.hrDuration = process.hrtime(start);
err.task = metadata.task;
gulp.emit('task_err', err);
}
}function runTask(toRun) {
const gulp = require('gulp');
const metadata = { task: toRun };
// Gulp >= 4.0.0 (doesn't support events)
const taskInstance = gulp.task(toRun);
if (taskInstance === undefined) {
gulp.emit('task_not_found', metadata);
return;
}
const start = process.hrtime();
gulp.emit('task_start', metadata);
try {
taskInstance.apply(gulp);
metadata.hrDuration = process.hrtime(start);
gulp.emit('task_stop', metadata);
gulp.emit('stop');
} catch (err) {
err.hrDuration = process.hrtime(start);
err.task = metadata.task;
gulp.emit('task_err', err);
}
}function runTask(toRun) {
const gulp = require('gulp');
const metadata = { task: toRun };
// Gulp >= 4.0.0 (doesn't support events)
const taskInstance = gulp.task(toRun);
if (taskInstance === undefined) {
gulp.emit('task_not_found', metadata);
return;
}
const start = process.hrtime();
gulp.emit('task_start', metadata);
try {
taskInstance.apply(gulp);
metadata.hrDuration = process.hrtime(start);
gulp.emit('task_stop', metadata);
gulp.emit('stop');
} catch (err) {
err.hrDuration = process.hrtime(start);
err.task = metadata.task;
gulp.emit('task_err', err);
}
}function runTask(toRun) {
const gulp = require('gulp');
const metadata = { task: toRun };
// Gulp >= 4.0.0 (doesn't support events)
const taskInstance = gulp.task(toRun);
if (taskInstance === undefined) {
gulp.emit('task_not_found', metadata);
return;
}
const start = process.hrtime();
gulp.emit('task_start', metadata);
try {
taskInstance.apply(gulp);
metadata.hrDuration = process.hrtime(start);
gulp.emit('task_stop', metadata);
gulp.emit('stop');
} catch (err) {
err.hrDuration = process.hrtime(start);
err.task = metadata.task;
gulp.emit('task_err', err);
}
}function runTask(toRun) {
const metadata = { task: toRun };
// Gulp >= 4.0.0 (doesn't support events)
const taskInstance = gulp.task(toRun);
if (taskInstance === undefined) {
gulp.emit('task_not_found', metadata);
return;
}
const start = process.hrtime();
gulp.emit('task_start', metadata);
try {
taskInstance.apply(gulp);
metadata.hrDuration = process.hrtime(start);
gulp.emit('task_stop', metadata);
gulp.emit('stop');
} catch (err) {
err.hrDuration = process.hrtime(start);
err.task = metadata.task;
gulp.emit('task_err', err);
}
}.on('error', () => {
gulp.emit('end');
});
});const taskInstance = gulp.task(toRun);
if (taskInstance === undefined) {
gulp.emit('task_not_found', metadata);
return;
}
const start = process.hrtime();
gulp.emit('task_start', metadata);
try {
taskInstance.apply(gulp);
metadata.hrDuration = process.hrtime(start);
gulp.emit('task_stop', metadata);
gulp.emit('stop');
} catch (err) {
err.hrDuration = process.hrtime(start);
err.task = metadata.task;
gulp.emit('task_err', err);
}
}.on('error', () => {
gulp.emit('end');
});
});
