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gulpfile.js
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gulpfile.js
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const gulp = require('gulp');
const sourcemaps = require('gulp-sourcemaps');
const babel = require('gulp-babel');
const eslint = require('gulp-eslint');
const newer = require('gulp-newer');
const src = 'src/**/*.js';
const dest = 'dist';
gulp.task('lint', () => {
return gulp.src([src])
.pipe(newer(dest))
.pipe(eslint())
.pipe(eslint.format())
.pipe(eslint.failAfterError());
});
gulp.task('babel', ['lint'], () => {
return gulp.src([src])
.pipe(newer(dest))
.pipe(sourcemaps.init())
.pipe(babel())
.pipe(sourcemaps.write('.'))
.pipe(gulp.dest('dist'));
});
gulp.task('watch', () => {
gulp.watch(src, ['babel']);
});
gulp.task('default', ['watch']);