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Gulpfile.js
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Gulpfile.js
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const {pipeline} = require("stream");
const gulp = require("gulp"),
//common
sourcemaps = require("gulp-sourcemaps"),
del = require("del"),
filter = require("gulp-filter"),
//js
ts = require("gulp-typescript"),
terser = require("gulp-terser"),
//css
sass = require("gulp-sass")(require("sass"));
const dist_dir = "./dist";
const js_src = "./src/ts/**/*.ts";
const js_dest = dist_dir+"/js";
const css_src = "./src/scss/**/*.scss";
const css_dest = dist_dir+"/css";
const static_src = ["./src/**/*.*","!"+js_src,"!"+css_src];
const static_dest = dist_dir;
const tsProject = ts.createProject('tsconfig.json');
gulp.task("build:js",function(cb){
pipeline(
gulp.src(js_src),
sourcemaps.init(),
tsProject(),
terser({
compress: {
ecma: 2019,
keep_classnames: true,
keep_fnames: true,
passes: 3
},
mangle: false,
format: {
beautify: true,
ecma: 2019,
keep_numbers: true,
indent_level: 4
}
}),
sourcemaps.write("."),
gulp.dest(js_dest),
cb
);
});
gulp.task("build:css",function(cb){
pipeline(
gulp.src(css_src),
sourcemaps.init(),
sass(),
sourcemaps.write("."),
gulp.dest(css_dest),
cb
);
});
gulp.task("copy:static",function(cb){
pipeline(
gulp.src(static_src),
gulp.dest(static_dest),
cb
)
});
gulp.task("build",gulp.parallel("copy:static","build:js","build:css"));
gulp.task("clean:js",() => del(js_dest));
gulp.task("clean:css",() => del(css_dest));
gulp.task("clean:dist",() => del(dist_dir))
gulp.task("clean",gulp.parallel("clean:dist"));
gulp.task("watch:js",()=>gulp.watch(js_src, gulp.task("build:js")));
gulp.task("watch:css",()=>gulp.watch(css_src, gulp.task("build:css")));
gulp.task("watch:static",()=>gulp.watch(static_src, gulp.task("copy:static")));
gulp.task("watch",gulp.parallel("watch:js", "watch:css", "watch:static"));
gulp.task("default",gulp.series("clean", "build"))