gulpfile.js

let gulp = require('gulp'),
  svgSprite = require('gulp-svg-sprite')

gulp.task('svgToSprite', () => {
  let config = {
    log: 'verbose',
    shape: {
      id: {
        separator: '-',
      },
      transform: [
        {
          svgo: {
            plugins: [
              {
                cleanupListOfValues: {
                  floatPrecision: 1,
                },
              },
              { removeXMLNS: true },
              { removeTitle: false },
            ],
          },
        },
      ],
    },
    mode: {
      symbol: {
        dest: '.',
        sprite: 'sprite.svg',
      },
    },
  }
  return gulp
    .src('**/*.svg', { cwd: 'src/assets' })
    .pipe(svgSprite(config))
    .pipe(gulp.dest('src/assets'))
})

gulp.task('build', gulp.series('svgToSprite'))
gulp.task('default', gulp.task('svgToSprite'))