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2e8c29de45
The gulp file is derived from work in PR #887, with numerous refinements and clarifying comments. Also updating the version number in package.json, including the 'develop' prerelease tag for the develop branch.
103 lines
3.6 KiB
JavaScript
103 lines
3.6 KiB
JavaScript
/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2018 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Gulp script to build Blockly for Node & NPM.
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* Run this script by calling "npm install" in this directory.
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*/
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var gulp = require('gulp');
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gulp.shell = require('gulp-shell');
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gulp.concat = require('gulp-concat');
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var insert = require('gulp-insert');
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// Rebuilds Blockly, including the following:
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// - blockly_compressed.js
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// - blocks_compressed.js
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// - Localization string tables in msg/js/*.js
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// - Generators in generators/*.js
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// These files are already up-to-date in the master branch.
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gulp.task('build', gulp.shell.task([
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'python build.py'
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]));
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// Concatenates the necessary files to load Blockly in a Node.js VM. Blockly's
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// inidividual libraries target use in a browser, where globals (via the window
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// objects) are used to share state and APIs. By concatenating all the
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// necessary components into a single file, Blockly can be loaded as a Node.js
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// module.
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//
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// This task builds Node with the assumption that the app needs English blocks
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// and JavaScript code generation. If you need another localization or
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// generator language, just copy and edit the srcs. Only one localization
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// language can be included.
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gulp.task('blockly_javascript_en', ['build'], function() {
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var srcs = [
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'blockly_compressed.js',
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'blocks_compressed.js',
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'javascript_compressed.js',
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'msg/js/en.js'
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];
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// Concatenate the sources, appending the module export at the bottom.
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return gulp.src(srcs)
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.pipe(gulp.concat('blockly_node_javascript_en.js'))
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.pipe(insert.append(`
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if (typeof module === 'object') { module.exports = Blockly; }
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if (typeof window === 'object') { window.Blockly = Blockly; }\n`))
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.pipe(gulp.dest(''));
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});
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/**
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* Task-builder for the watch function. Currently any change invokes the whole
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* build script. Invoke with "gulp watch".
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*
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* @param {?string=} concatTask Name of the concatenating task for node usage.
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*/
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// TODO: Only run the necessary phases of the build script for a given change.
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function buildWatchTaskFn(concatTask) {
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return function() {
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// Tasks to trigger.
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var tasks = ['build'];
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if (concatTask) {
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tasks.push(concatTask);
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}
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// Currently any changes invokes the whole build script. (To fix.)
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var srcs = [
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'core/**/*.js', // Blockly core code
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'blocks/*.js', // Block definitions
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'generators/**/*.js', // Code generation
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'msg/messages.js', 'msg/json/*.json' // Localization data
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];
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var options = {
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debounceDelay: 2000 // Milliseconds to delay rebuild.
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};
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gulp.watch(srcs, options, tasks);
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};
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}
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// Watch Blockly files for changes and trigger automatic rebuilds, including
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// the Node-ready blockly_node_javascript_en.js file.
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gulp.task('watch', buildWatchTaskFn('blockly_javascript_en'));
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// The default task concatenates files for Node.js, using English language
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// blocks and the JavaScript generator.
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gulp.task('default', ['blockly_javascript_en']);
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