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73 lines
3.0 KiB
73 lines
3.0 KiB
module.exports = function (grunt) {
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"use strict";
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grunt.initConfig({
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clean: ["./dist", "./tmp"],
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copy: {
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build: {
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files: [{
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expand: true,
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cwd: "./src",
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src: ["**/license*"],
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dest: "dist/",
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filter: 'isFile'
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}]
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}
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}
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});
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grunt.loadNpmTasks('grunt-contrib-clean');
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grunt.loadNpmTasks("grunt-contrib-copy");
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grunt.loadNpmTasks('grunt-file-append');
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grunt.registerTask("add-rename-lua-module-tasks", "Finds and adds tasks to rename all main.lua to match their parent directory", function () {
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grunt.file.expand({filter: 'isDirectory'}, "src/*").forEach(function (dir) {
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var module_name = dir.substr(dir.lastIndexOf('/') + 1);
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if (module_name !== 'lib') {
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var copy_task = {};
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try {
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copy_task = grunt.config.get('copy');
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} catch (exception) {
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console.log("No copy config exists, generating empty one.");
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}
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copy_task[module_name] = {
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src: [dir + '/**/main.lua'],
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dest: 'dist/' + module_name + '/' + module_name + '.lua'
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};
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console.log("Added copy task for module [" + module_name + "]");
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grunt.config.set('copy', copy_task);
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}
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});
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});
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grunt.registerTask("minify-lua-modules", "minifies lua modules", function () {
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const fs = require('fs');
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const luamin = require('luamin');
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const util = require('util');
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grunt.file.expand({filter: 'isDirectory'}, "dist/*").forEach(function (dir) {
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grunt.file.expand({filter: 'isFile'}, dir + "/*.lua").forEach(function (file) {
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const directory = file.substr(0, file.lastIndexOf('/'));
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const file_name = file.substr(file.lastIndexOf('/') + 1, file.lastIndexOf('.'));
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const lua = fs.readFileSync(file, 'utf8');
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const minified_contents = luamin.minify(lua);
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const minified_file_name = file_name + '.min.lua';
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const minified_file = directory + '/' + minified_file_name;
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fs.writeFileSync(minified_file, minified_contents);
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const file_stats = fs.statSync(file);
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const minified_file_stats = fs.statSync(minified_file);
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const saved_space = file_stats.size - minified_file_stats.size;
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const saved_space_percent = (100 * (1 - minified_file_stats.size / file_stats.size)).toFixed(2);
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console.log(util.format("Minified: %s: %f KB -> %s: %f KB. SAVED %d%% %d KB", file_name, file_stats.size / 1000, minified_file_name, minified_file_stats.size / 1000, saved_space_percent, saved_space / 1000));
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});
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});
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});
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grunt.registerTask("default", [
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"clean",
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"add-rename-lua-module-tasks",
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"copy",
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"minify-lua-modules"
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]);
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};
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