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gulpfile.js
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gulpfile.js
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var fs = require("file-system"),
glob = require("glob"),
path = require("path-posix"),
merge = require("merge-stream"),
gulp = require("gulp"),
gulpif = require("gulp-if"),
print = require("gulp-print"),
debug = require("gulp-debug"),
newer = require("gulp-newer"),
plumber = require("gulp-plumber"),
sourcemaps = require("gulp-sourcemaps"),
less = require("gulp-less"),
scss = require("gulp-sass"),
cssnano = require("gulp-cssnano"),
typescript = require("gulp-typescript"),
terser = require("gulp-terser"),
rename = require("gulp-rename"),
concat = require("gulp-concat"),
header = require("gulp-header"),
eol = require("gulp-eol");
util = require('gulp-util');
// For compat with older versions of Node.js.
require("es6-promise").polyfill();
// To suppress memory leak warning from gulp.watch().
require("events").EventEmitter.prototype._maxListeners = 100;
/*
** GULP TASKS
*/
// Incremental build (each asset group is built only if one or more inputs are newer than the output).
gulp.task("build", function () {
var assetGroupTasks = getAssetGroups().map(function (assetGroup) {
var doRebuild = false;
return createAssetGroupTask(assetGroup, doRebuild);
});
return merge(assetGroupTasks);
});
// Full rebuild (all assets groups are built regardless of timestamps).
gulp.task("rebuild", function () {
var assetGroupTasks = getAssetGroups().map(function (assetGroup) {
var doRebuild = true;
return createAssetGroupTask(assetGroup, doRebuild);
});
return merge(assetGroupTasks);
});
// Continuous watch (each asset group is built whenever one of its inputs changes).
gulp.task("watch", function () {
var pathWin32 = require("path");
getAssetGroups().forEach(function (assetGroup) {
var watchPaths = assetGroup.inputPaths.concat(assetGroup.watchPaths);
var inputWatcher;
function createWatcher() {
inputWatcher = gulp.watch(watchPaths);
inputWatcher.on('change', function (watchedPath) {
var isConcat = path.basename(assetGroup.outputFileName, path.extname(assetGroup.outputFileName)) !== "@";
if (isConcat)
console.log("Asset file '" + watchedPath + "' was changed, rebuilding asset group with output '" + assetGroup.outputPath + "'.");
else
console.log("Asset file '" + watchedPath + "' was changed, rebuilding asset group.");
var doRebuild = true;
var task = createAssetGroupTask(assetGroup, doRebuild);
});
}
createWatcher();
gulp.watch(assetGroup.manifestPath).on('change', function (watchedPath) {
console.log("Asset manifest file '" + watchedPath + "' was changed, restarting watcher.");
inputWatcher.close();
createWatcher();
});
});
});
gulp.task( 'default', gulp.series([ 'build' ]) )
gulp.task('help', function() {
util.log(`
Usage: gulp [TASK]
Tasks:
build Incremental build (each asset group is built only if one or more inputs are newer than the output).
rebuild Full rebuild (all assets groups are built regardless of timestamps).
watch Continuous watch (each asset group is built whenever one of its inputs changes).
`);
});
/*
** ASSET GROUPS
*/
function getAssetGroups() {
var assetManifestPaths = glob.sync("./src/OrchardCore.{Modules,Themes}/*/Assets.json", {});
var assetGroups = [];
assetManifestPaths.forEach(function (assetManifestPath) {
var assetManifest = require("./" + assetManifestPath);
assetManifest.forEach(function (assetGroup) {
resolveAssetGroupPaths(assetGroup, assetManifestPath);
assetGroups.push(assetGroup);
});
});
return assetGroups;
}
function resolveAssetGroupPaths(assetGroup, assetManifestPath) {
assetGroup.manifestPath = assetManifestPath;
assetGroup.basePath = path.dirname(assetManifestPath);
assetGroup.inputPaths = assetGroup.inputs.map(function (inputPath) {
return path.resolve(path.join(assetGroup.basePath, inputPath)).replace(/\\/g, '/');
});
assetGroup.watchPaths = [];
if (!!assetGroup.watch) {
assetGroup.watchPaths = assetGroup.watch.map(function (watchPath) {
return path.resolve(path.join(assetGroup.basePath, watchPath)).replace(/\\/g, '/');
});
}
assetGroup.outputPath = path.resolve(path.join(assetGroup.basePath, assetGroup.output)).replace(/\\/g, '/');
assetGroup.outputDir = path.dirname(assetGroup.outputPath);
assetGroup.outputFileName = path.basename(assetGroup.output);
// Uncomment to copy assets to wwwroot
//assetGroup.webroot = path.join("./src/OrchardCore.Cms.Web/wwwroot/", path.basename(assetGroup.basePath), path.dirname(assetGroup.output));
}
function createAssetGroupTask(assetGroup, doRebuild) {
var outputExt = path.extname(assetGroup.output).toLowerCase();
var doConcat = path.basename(assetGroup.outputFileName, outputExt) !== "@";
if (doConcat && !doRebuild) {
// Force a rebuild of this asset group is the asset manifest file itself is newer than the output.
var assetManifestStats = fs.statSync(assetGroup.manifestPath);
var outputStats = fs.existsSync(assetGroup.outputPath) ? fs.statSync(assetGroup.outputPath) : null;
doRebuild = !outputStats || assetManifestStats.mtime > outputStats.mtime;
}
if(assetGroup.copy === true){
return buildCopyPipeline(assetGroup, doRebuild);
}
else{
switch (outputExt) {
case ".css":
return buildCssPipeline(assetGroup, doConcat, doRebuild);
case ".js":
return buildJsPipeline(assetGroup, doConcat, doRebuild);
}
}
}
/*
** PROCESSING PIPELINES
*/
function buildCssPipeline(assetGroup, doConcat, doRebuild) {
assetGroup.inputPaths.forEach(function (inputPath) {
var ext = path.extname(inputPath).toLowerCase();
if (ext !== ".scss" && ext !== ".less" && ext !== ".css")
throw "Input file '" + inputPath + "' is not of a valid type for output file '" + assetGroup.outputPath + "'.";
});
var generateSourceMaps = assetGroup.hasOwnProperty("generateSourceMaps") ? assetGroup.generateSourceMaps : true;
var containsLessOrScss = assetGroup.inputPaths.some(function (inputPath) {
var ext = path.extname(inputPath).toLowerCase();
return ext === ".less" || ext === ".scss";
});
// Source maps are useless if neither concatenating nor transforming.
if ((!doConcat || assetGroup.inputPaths.length < 2) && !containsLessOrScss)
generateSourceMaps = false;
var minifiedStream = gulp.src(assetGroup.inputPaths) // Minified output, source mapping completely disabled.
.pipe(gulpif(!doRebuild,
gulpif(doConcat,
newer(assetGroup.outputPath),
newer({
dest: assetGroup.outputDir,
ext: ".css"
}))))
.pipe(plumber())
.pipe(gulpif("*.less", less()))
.pipe(gulpif("*.scss", scss({
precision: 10,
})))
.pipe(gulpif(doConcat, concat(assetGroup.outputFileName)))
.pipe(cssnano({
autoprefixer: { browsers: ["last 2 versions"] },
discardComments: { removeAll: true },
discardUnused: false,
mergeIdents: false,
reduceIdents: false,
zindex: false
}))
.pipe(rename({
suffix: ".min"
}))
.pipe(eol())
.pipe(gulp.dest(assetGroup.outputDir))
// Uncomment to copy assets to wwwroot
//.pipe(gulp.dest(assetGroup.webroot));
var devStream = gulp.src(assetGroup.inputPaths) // Non-minified output, with source mapping
.pipe(gulpif(!doRebuild,
gulpif(doConcat,
newer(assetGroup.outputPath),
newer({
dest: assetGroup.outputDir,
ext: ".css"
}))))
.pipe(plumber())
.pipe(gulpif(generateSourceMaps, sourcemaps.init()))
.pipe(gulpif("*.less", less()))
.pipe(gulpif("*.scss", scss({
precision: 10
})))
.pipe(gulpif(doConcat, concat(assetGroup.outputFileName)))
.pipe(header(
"/*\n" +
"** NOTE: This file is generated by Gulp and should not be edited directly!\n" +
"** Any changes made directly to this file will be overwritten next time its asset group is processed by Gulp.\n" +
"*/\n\n"))
.pipe(gulpif(generateSourceMaps, sourcemaps.write()))
.pipe(eol())
.pipe(gulp.dest(assetGroup.outputDir))
// Uncomment to copy assets to wwwroot
//.pipe(gulp.dest(assetGroup.webroot));
return merge([minifiedStream, devStream]);
}
function buildJsPipeline(assetGroup, doConcat, doRebuild) {
assetGroup.inputPaths.forEach(function (inputPath) {
var ext = path.extname(inputPath).toLowerCase();
if (ext !== ".ts" && ext !== ".js")
throw "Input file '" + inputPath + "' is not of a valid type for output file '" + assetGroup.outputPath + "'.";
});
var generateSourceMaps = assetGroup.hasOwnProperty("generateSourceMaps") ? assetGroup.generateSourceMaps : true;
// Source maps are useless if neither concatenating nor transforming.
if ((!doConcat || assetGroup.inputPaths.length < 2) && !assetGroup.inputPaths.some(function (inputPath) { return path.extname(inputPath).toLowerCase() === ".ts"; }))
generateSourceMaps = false;
console.log(assetGroup.inputPaths);
return gulp.src(assetGroup.inputPaths)
.pipe(gulpif(!doRebuild,
gulpif(doConcat,
newer(assetGroup.outputPath),
newer({
dest: assetGroup.outputDir,
ext: ".js"
}))))
.pipe(plumber())
.pipe(gulpif(generateSourceMaps, sourcemaps.init()))
.pipe(gulpif("*.ts", typescript({
declaration: false,
noImplicitAny: true,
noEmitOnError: true,
lib: [
"dom",
"es5",
"scripthost",
"es2015.iterable"
],
target: "es5",
})))
.pipe(gulpif(doConcat, concat(assetGroup.outputFileName)))
.pipe(header(
"/*\n" +
"** NOTE: This file is generated by Gulp and should not be edited directly!\n" +
"** Any changes made directly to this file will be overwritten next time its asset group is processed by Gulp.\n" +
"*/\n\n"))
.pipe(gulpif(generateSourceMaps, sourcemaps.write()))
.pipe(gulp.dest(assetGroup.outputDir))
// Uncomment to copy assets to wwwroot
//.pipe(gulp.dest(assetGroup.webroot))
.pipe(terser())
.pipe(rename({
suffix: ".min"
}))
.pipe(eol())
.pipe(gulp.dest(assetGroup.outputDir))
// Uncomment to copy assets to wwwroot
//.pipe(gulp.dest(assetGroup.webroot));
}
function buildCopyPipeline(assetGroup, doRebuild) {
var stream = gulp.src(assetGroup.inputPaths);
if(!doRebuild) {
stream = stream.pipe(newer(assetGroup.outputDir))
}
var renameFile = assetGroup.outputFileName != "@";
stream = stream
.pipe(gulpif(renameFile, rename(assetGroup.outputFileName)))
.pipe(gulp.dest(assetGroup.outputDir));
// Uncomment to copy assets to wwwroot
//.pipe(gulp.dest(assetGroup.webroot));
return stream;
}