MOBILE-3501 gulp: Split gulpfile code into several classes

main
Dani Palou 2020-07-22 10:35:54 +02:00
parent b67ea14abb
commit 0d6d4a9326
5 changed files with 576 additions and 420 deletions

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// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
const gulp = require('gulp');
const through = require('through');
const bufferFrom = require('buffer-from');
const rename = require('gulp-rename');
const exec = require('child_process').exec;
const LICENSE = '' +
'// (C) Copyright 2015 Moodle Pty Ltd.\n' +
'//\n' +
'// Licensed under the Apache License, Version 2.0 (the "License");\n' +
'// you may not use this file except in compliance with the License.\n' +
'// You may obtain a copy of the License at\n' +
'//\n' +
'// http://www.apache.org/licenses/LICENSE-2.0\n' +
'//\n' +
'// Unless required by applicable law or agreed to in writing, software\n' +
'// distributed under the License is distributed on an "AS IS" BASIS,\n' +
'// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n' +
'// See the License for the specific language governing permissions and\n' +
'// limitations under the License.\n\n';
/**
* Task to convert config.json into a TypeScript class.
*/
class BuildConfigTask {
/**
* Run the task.
*
* @param path Path to the config file.
* @param done Function to call when done.
*/
run(path, done) {
// Get the last commit.
exec('git log -1 --pretty=format:"%H"', (err, commit, stderr) => {
if (err) {
console.error('An error occurred while getting the last commit: ' + err);
} else if (stderr) {
console.error('An error occurred while getting the last commit: ' + stderr);
}
gulp.src(path)
.pipe(through(function(file) {
// Convert the contents of the file into a TypeScript class.
// Disable the rule variable-name in the file.
const config = JSON.parse(file.contents.toString());
let contents = LICENSE + '// tslint:disable: variable-name\n' + 'export class CoreConfigConstants {\n';
for (let key in config) {
let value = config[key];
if (typeof value == 'string') {
// Wrap the string in ' and escape them.
value = "'" + value.replace(/([^\\])'/g, "$1\\'") + "'";
} else if (typeof value != 'number' && typeof value != 'boolean') {
// Stringify with 4 spaces of indentation, and then add 4 more spaces in each line.
value = JSON.stringify(value, null, 4).replace(/^(?: )/gm, ' ').replace(/^(?:})/gm, ' }');
// Replace " by ' in values.
value = value.replace(/: "([^"]*)"/g, ": '$1'");
// Check if the keys have "-" in it.
const matches = value.match(/"([^"]*\-[^"]*)":/g);
if (matches) {
// Replace " by ' in keys. We cannot remove them because keys have chars like '-'.
value = value.replace(/"([^"]*)":/g, "'$1':");
} else {
// Remove ' in keys.
value = value.replace(/"([^"]*)":/g, "$1:");
}
// Add type any to the key.
key = key + ': any';
}
// If key has quotation marks, remove them.
if (key[0] == '"') {
key = key.substr(1, key.length - 2);
}
contents += ' static ' + key + ' = ' + value + ';\n';
}
// Add compilation info.
contents += ' static compilationtime = ' + Date.now() + ';\n';
contents += ' static lastcommit = \'' + commit + '\';\n';
contents += '}\n';
file.contents = bufferFrom(contents);
this.emit('data', file);
}))
.pipe(rename('configconstants.ts'))
.pipe(gulp.dest('./src'))
.on('end', done);
});
}
}
module.exports = BuildConfigTask;

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// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
const gulp = require('gulp');
const slash = require('gulp-slash');
const clipEmptyFiles = require('gulp-clip-empty-files');
const through = require('through');
const bufferFrom = require('buffer-from');
const File = require('vinyl');
const pathLib = require('path');
/**
* Task to build the language files into a single file per language.
*/
class BuildLangTask {
/**
* Copy a property from one object to another, adding a prefix to the key if needed.
*
* @param target Object to copy the properties to.
* @param source Object to copy the properties from.
* @param prefix Prefix to add to the keys.
*/
addProperties(target, source, prefix) {
for (let property in source) {
target[prefix + property] = source[property];
}
}
/**
* Run the task.
*
* @param language Language to treat.
* @param langPaths Paths to the possible language files.
* @param done Function to call when done.
*/
run(language, langPaths, done) {
const filename = language + '.json';
const data = {};
let firstFile = null;
const self = this;
const paths = langPaths.map((path) => {
if (path.slice(-1) != '/') {
path = path + '/';
}
return path + language + '.json';
});
gulp.src(paths, { allowEmpty: true })
.pipe(slash())
.pipe(clipEmptyFiles())
.pipe(through(function(file) {
if (!firstFile) {
firstFile = file;
}
return self.treatFile(file, data);
}, function() {
/* This implementation is based on gulp-jsoncombine module.
* https://github.com/reflog/gulp-jsoncombine */
if (firstFile) {
const joinedPath = pathLib.join(firstFile.base, language + '.json');
const joinedFile = new File({
cwd: firstFile.cwd,
base: firstFile.base,
path: joinedPath,
contents: self.treatMergedData(data),
});
this.emit('data', joinedFile);
}
this.emit('end');
}))
.pipe(gulp.dest(pathLib.join('./src/assets', 'lang')))
.on('end', done);
}
/**
* Treats a file to merge JSONs. This function is based on gulp-jsoncombine module.
* https://github.com/reflog/gulp-jsoncombine
*
* @param file File treated.
* @param data Object where to store the data.
*/
treatFile(file, data) {
if (file.isNull() || file.isStream()) {
return; // ignore
}
try {
let srcPos = file.path.lastIndexOf('/src/');
if (srcPos == -1) {
// It's probably a Windows environment.
srcPos = file.path.lastIndexOf('\\src\\');
}
const path = file.path.substr(srcPos + 5);
data[path] = JSON.parse(file.contents.toString());
} catch (err) {
console.log('Error parsing JSON: ' + err);
}
}
/**
* Treats the merged JSON data, adding prefixes depending on the component.
*
* @param data Merged data.
* @return Buffer with the treated data.
*/
treatMergedData(data) {
const merged = {};
const mergedOrdered = {};
for (let filepath in data) {
const pathSplit = filepath.split(/[\/\\]/);
let prefix;
pathSplit.pop();
switch (pathSplit[0]) {
case 'lang':
prefix = 'core';
break;
case 'core':
if (pathSplit[1] == 'lang') {
// Not used right now.
prefix = 'core';
} else {
prefix = 'core.' + pathSplit[1];
}
break;
case 'addon':
// Remove final item 'lang'.
pathSplit.pop();
// Remove first item 'addon'.
pathSplit.shift();
// For subplugins. We'll use plugin_subfolder_subfolder2_...
// E.g. 'mod_assign_feedback_comments'.
prefix = 'addon.' + pathSplit.join('_');
break;
case 'assets':
prefix = 'assets.' + pathSplit[1];
break;
}
if (prefix) {
this.addProperties(merged, data[filepath], prefix + '.');
}
}
// Force ordering by string key.
Object.keys(merged).sort().forEach((key) => {
mergedOrdered[key] = merged[key];
});
return bufferFrom(JSON.stringify(mergedOrdered, null, 4));
}
}
module.exports = BuildLangTask;

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// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
const gulp = require('gulp');
const through = require('through');
const bufferFrom = require('buffer-from');
const concat = require('gulp-concat');
const pathLib = require('path');
const fs = require('fs');
/**
* Task to combine scss into a single file.
*/
class CombineScssTask {
/**
* Finds the file and returns its content.
*
* @param capture Import file path.
* @param baseDir Directory where the file was found.
* @param paths Alternative paths where to find the imports.
* @param parsedFiles Already parsed files to reduce size of the result.
* @return Partially combined scss.
*/
getReplace(capture, baseDir, paths, parsedFiles) {
let parse = pathLib.parse(pathLib.resolve(baseDir, capture + '.scss'));
let file = parse.dir + '/' + parse.name;
if (file.slice(-3) === '.wp') {
console.log('Windows Phone not supported "' + capture);
// File was already parsed, leave the import commented.
return '// @import "' + capture + '";';
}
if (!fs.existsSync(file + '.scss')) {
// File not found, might be a partial file.
file = parse.dir + '/_' + parse.name;
}
// If file still not found, try to find the file in the alternative paths.
let x = 0;
while (!fs.existsSync(file + '.scss') && paths.length > x) {
parse = pathLib.parse(pathLib.resolve(paths[x], capture + '.scss'));
file = parse.dir + '/' + parse.name;
x++;
}
file = file + '.scss';
if (!fs.existsSync(file)) {
// File not found. Leave the import there.
console.log('File "' + capture + '" not found');
return '@import "' + capture + '";';
}
if (parsedFiles.indexOf(file) >= 0) {
console.log('File "' + capture + '" already parsed');
// File was already parsed, leave the import commented.
return '// @import "' + capture + '";';
}
parsedFiles.push(file);
const text = fs.readFileSync(file);
// Recursive call.
return this.scssCombine(text, parse.dir, paths, parsedFiles);
}
/**
* Run the task.
*
* @param done Function to call when done.
*/
run(done) {
const paths = [
'node_modules/ionic-angular/themes/',
'node_modules/font-awesome/scss/',
'node_modules/ionicons/dist/scss/'
];
const parsedFiles = [];
const self = this;
gulp.src([
'./src/theme/variables.scss',
'./node_modules/ionic-angular/themes/ionic.globals.*.scss',
'./node_modules/ionic-angular/themes/ionic.components.scss',
'./src/**/*.scss',
]).pipe(through(function(file) { // Combine them based on @import and save it to stream.
if (file.isNull()) {
return;
}
parsedFiles.push(file);
file.contents = bufferFrom(self.scssCombine(
file.contents, pathLib.dirname(file.path), paths, parsedFiles));
this.emit('data', file);
})).pipe(concat('combined.scss')) // Concat the stream output in single file.
.pipe(gulp.dest('.')) // Save file to destination.
.on('end', done);
}
/**
* Combine scss files with its imports
*
* @param content Scss string to treat.
* @param baseDir Directory where the file was found.
* @param paths Alternative paths where to find the imports.
* @param parsedFiles Already parsed files to reduce size of the result.
* @return Scss string with the replaces done.
*/
scssCombine(content, baseDir, paths, parsedFiles) {
// Content is a Buffer, convert to string.
if (typeof content != "string") {
content = content.toString();
}
// Search of single imports.
let regex = /@import[ ]*['"](.*)['"][ ]*;/g;
if (regex.test(content)) {
return content.replace(regex, (m, capture) => {
if (capture == "bmma") {
return m;
}
return this.getReplace(capture, baseDir, paths, parsedFiles);
});
}
// Search of multiple imports.
regex = /@import(?:[ \n]+['"](.*)['"][,]?[ \n]*)+;/gm;
if (regex.test(content)) {
return content.replace(regex, (m, capture) => {
let text = '';
// Divide the import into multiple files.
const captures = m.match(/['"]([^'"]*)['"]/g);
for (let x in captures) {
text += this.getReplace(captures[x].replace(/['"]+/g, ''), baseDir, paths, parsedFiles) + '\n';
}
return text;
});
}
return content;
}
}
module.exports = CombineScssTask;

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// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
const fs = require('fs');
const gulp = require('gulp');
const flatten = require('gulp-flatten');
const htmlmin = require('gulp-htmlmin');
const pathLib = require('path');
const TEMPLATES_SRC = [
'./src/components/**/*.html',
'./src/core/**/components/**/*.html',
'./src/core/**/component/**/*.html',
// Copy all addon components because any component can be injected using extraImports.
'./src/addon/**/components/**/*.html',
'./src/addon/**/component/**/*.html'
];
const TEMPLATES_DEST = './www/templates';
/**
* Task to copy component templates to www to make compile-html work in AOT.
*/
class CopyComponentTemplatesTask {
/**
* Delete a folder and all its contents.
*
* @param path [description]
* @return {[type]} [description]
*/
deleteFolderRecursive(path) {
if (fs.existsSync(path)) {
fs.readdirSync(path).forEach((file) => {
var curPath = pathLib.join(path, file);
if (fs.lstatSync(curPath).isDirectory()) {
this.deleteFolderRecursive(curPath);
} else {
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(path);
}
}
/**
* Run the task.
*
* @param done Callback to call once done.
*/
run(done) {
this.deleteFolderRecursive(TEMPLATES_DEST);
gulp.src(TEMPLATES_SRC, { allowEmpty: true })
.pipe(flatten())
// Check options here: https://github.com/kangax/html-minifier
.pipe(htmlmin({
collapseWhitespace: true,
removeComments: true,
caseSensitive: true
}))
.pipe(gulp.dest(TEMPLATES_DEST))
.on('end', done);
}
}
module.exports = CopyComponentTemplatesTask;

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var gulp = require('gulp'),
fs = require('fs'),
through = require('through'),
rename = require('gulp-rename'),
path = require('path'),
slash = require('gulp-slash'),
clipEmptyFiles = require('gulp-clip-empty-files'),
File = require('vinyl'),
flatten = require('gulp-flatten'),
npmPath = require('path'),
concat = require('gulp-concat'),
htmlmin = require('gulp-htmlmin'),
bufferFrom = require('buffer-from'),
exec = require('child_process').exec,
license = '' +
'// (C) Copyright 2015 Moodle Pty Ltd.\n' +
'//\n' +
'// Licensed under the Apache License, Version 2.0 (the "License");\n' +
'// you may not use this file except in compliance with the License.\n' +
'// You may obtain a copy of the License at\n' +
'//\n' +
'// http://www.apache.org/licenses/LICENSE-2.0\n' +
'//\n' +
'// Unless required by applicable law or agreed to in writing, software\n' +
'// distributed under the License is distributed on an "AS IS" BASIS,\n' +
'// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n' +
'// See the License for the specific language governing permissions and\n' +
'// limitations under the License.\n\n';
// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* Copy a property from one object to another, adding a prefix to the key if needed.
* @param {Object} target Object to copy the properties to.
* @param {Object} source Object to copy the properties from.
* @param {String} prefix Prefix to add to the keys.
*/
function addProperties(target, source, prefix) {
for (var property in source) {
target[prefix + property] = source[property];
}
}
const BuildConfigTask = require('./gulp/task-build-config');
const BuildLangTask = require('./gulp/task-build-lang');
const CombineScssTask = require('./gulp/task-combine-scss');
const CopyComponentTemplatesTask = require('./gulp/task-copy-component-templates');
/**
* Treats a file to merge JSONs. This function is based on gulp-jsoncombine module.
* https://github.com/reflog/gulp-jsoncombine
* @param {Object} file File treated.
*/
function treatFile(file, data) {
if (file.isNull() || file.isStream()) {
return; // ignore
}
try {
var srcPos = file.path.lastIndexOf('/src/');
if (srcPos == -1) {
// It's probably a Windows environment.
srcPos = file.path.lastIndexOf('\\src\\');
}
const gulp = require('gulp');
const pathLib = require('path');
var path = file.path.substr(srcPos + 5);
data[path] = JSON.parse(file.contents.toString());
} catch (err) {
console.log('Error parsing JSON: ' + err);
}
}
/**
* Treats the merged JSON data, adding prefixes depending on the component. Used in lang tasks.
*
* @param {Object} data Merged data.
* @return {Buffer} Buffer with the treated data.
*/
function treatMergedData(data) {
var merged = {};
var mergedOrdered = {};
for (var filepath in data) {
var pathSplit = filepath.split(/[\/\\]/),
prefix;
pathSplit.pop();
switch (pathSplit[0]) {
case 'lang':
prefix = 'core';
break;
case 'core':
if (pathSplit[1] == 'lang') {
// Not used right now.
prefix = 'core';
} else {
prefix = 'core.' + pathSplit[1];
}
break;
case 'addon':
// Remove final item 'lang'.
pathSplit.pop();
// Remove first item 'addon'.
pathSplit.shift();
// For subplugins. We'll use plugin_subfolder_subfolder2_...
// E.g. 'mod_assign_feedback_comments'.
prefix = 'addon.' + pathSplit.join('_');
break;
case 'assets':
prefix = 'assets.' + pathSplit[1];
break;
}
if (prefix) {
addProperties(merged, data[filepath], prefix + '.');
}
}
// Force ordering by string key.
Object.keys(merged).sort().forEach(function(k){
mergedOrdered[k] = merged[k];
});
return bufferFrom(JSON.stringify(mergedOrdered, null, 4));
}
/**
* Build lang file.
*
* @param {String} language Language to translate.
* @param {String[]} langPaths Paths to the possible language files.
* @param {String} buildDest Path where to leave the built files.
* @param {Function} done Function to call when done.
* @return {Void}
*/
function buildLang(language, langPaths, buildDest, done) {
var filename = language + '.json',
data = {},
firstFile = null;
var paths = langPaths.map(function(path) {
if (path.slice(-1) != '/') {
path = path + '/';
}
return path + language + '.json';
});
gulp.src(paths, { allowEmpty: true })
.pipe(slash())
.pipe(clipEmptyFiles())
.pipe(through(function(file) {
if (!firstFile) {
firstFile = file;
}
return treatFile(file, data);
}, function() {
/* This implementation is based on gulp-jsoncombine module.
* https://github.com/reflog/gulp-jsoncombine */
if (firstFile) {
var joinedPath = path.join(firstFile.base, language+'.json');
var joinedFile = new File({
cwd: firstFile.cwd,
base: firstFile.base,
path: joinedPath,
contents: treatMergedData(data)
});
this.emit('data', joinedFile);
}
this.emit('end');
}))
.pipe(gulp.dest(buildDest))
.on('end', done);
}
// Delete a folder and all its contents.
function deleteFolderRecursive(path) {
if (fs.existsSync(path)) {
fs.readdirSync(path).forEach(function(file) {
var curPath = npmPath.join(path, file);
if (fs.lstatSync(curPath).isDirectory()) {
deleteFolderRecursive(curPath);
} else {
fs.unlinkSync(curPath);
}
});
fs.rmdirSync(path);
}
}
// List of app lang files. To be used only if cannot get it from filesystem.
var paths = {
src: './src',
assets: './src/assets',
lang: [
'./src/lang/',
'./src/core/**/lang/',
'./src/addon/**/lang/',
'./src/assets/countries/',
'./src/assets/mimetypes/'
],
config: './src/config.json',
};
const paths = {
lang: [
'./src/lang/',
'./src/core/**/lang/',
'./src/addon/**/lang/',
'./src/assets/countries/',
'./src/assets/mimetypes/'
],
config: './src/config.json',
};
// Build the language files into a single file per language.
gulp.task('lang', function(done) {
buildLang('en', paths.lang, path.join(paths.assets, 'lang'), done);
gulp.task('lang', (done) => {
new BuildLangTask().run('en', paths.lang, done);
});
// Convert config.json into a TypeScript class.
gulp.task('config', function(done) {
// Get the last commit.
exec('git log -1 --pretty=format:"%H"', function (err, commit, stderr) {
if (err) {
console.error('An error occurred while getting the last commit: ' + err);
} else if (stderr) {
console.error('An error occurred while getting the last commit: ' + stderr);
}
gulp.task('config', (done) => {
new BuildConfigTask().run(paths.config, done);
});
gulp.src(paths.config)
.pipe(through(function(file) {
// Convert the contents of the file into a TypeScript class.
// Disable the rule variable-name in the file.
var config = JSON.parse(file.contents.toString()),
contents = license + '// tslint:disable: variable-name\n' + 'export class CoreConfigConstants {\n',
that = this;
// Copy component templates to www to make compile-html work in AOT.
gulp.task('copy-component-templates', (done) => {
new CopyComponentTemplatesTask().run(done);
});
for (var key in config) {
var value = config[key];
if (typeof value == 'string') {
// Wrap the string in ' and scape them.
value = "'" + value.replace(/([^\\])'/g, "$1\\'") + "'";
} else if (typeof value != 'number' && typeof value != 'boolean') {
// Stringify with 4 spaces of indentation, and then add 4 more spaces in each line.
value = JSON.stringify(value, null, 4).replace(/^(?: )/gm, ' ').replace(/^(?:})/gm, ' }');
// Replace " by ' in values.
value = value.replace(/: "([^"]*)"/g, ": '$1'");
// Check if the keys have "-" in it.
var matches = value.match(/"([^"]*\-[^"]*)":/g);
if (matches) {
// Replace " by ' in keys. We cannot remove them because keys have chars like '-'.
value = value.replace(/"([^"]*)":/g, "'$1':");
} else {
// Remove ' in keys.
value = value.replace(/"([^"]*)":/g, "$1:");
}
// Add type any to the key.
key = key + ': any';
}
// If key has quotation marks, remove them.
if (key[0] == '"') {
key = key.substr(1, key.length - 2);
}
contents += ' static ' + key + ' = ' + value + ';\n';
}
// Add compilation info.
contents += ' static compilationtime = ' + Date.now() + ';\n';
contents += ' static lastcommit = \'' + commit + '\';\n';
contents += '}\n';
file.contents = bufferFrom(contents);
this.emit('data', file);
}))
.pipe(rename('configconstants.ts'))
.pipe(gulp.dest(paths.src))
.on('end', done);
});
// Combine SCSS files.
gulp.task('combine-scss', (done) => {
new CombineScssTask().run(done);
});
gulp.task('default', gulp.parallel('lang', 'config'));
gulp.task('watch', function() {
var langsPaths = paths.lang.map(function(path) {
return path + 'en.json';
});
gulp.task('watch', () => {
const langsPaths = paths.lang.map(path => path + 'en.json');
gulp.watch(langsPaths, { interval: 500 }, gulp.parallel('lang'));
gulp.watch(paths.config, { interval: 500 }, gulp.parallel('config'));
});
var templatesSrc = [
'./src/components/**/*.html',
'./src/core/**/components/**/*.html',
'./src/core/**/component/**/*.html',
// Copy all addon components because any component can be injected using extraImports.
'./src/addon/**/components/**/*.html',
'./src/addon/**/component/**/*.html'
],
templatesDest = './www/templates';
// Copy component templates to www to make compile-html work in AOT.
gulp.task('copy-component-templates', function(done) {
deleteFolderRecursive(templatesDest);
gulp.src(templatesSrc, { allowEmpty: true })
.pipe(flatten())
// Check options here: https://github.com/kangax/html-minifier
.pipe(htmlmin({
collapseWhitespace: true,
removeComments: true,
caseSensitive: true
}))
.pipe(gulp.dest(templatesDest))
.on('end', done);
});
/**
* Finds the file and returns its content.
*
* @param {string} capture Import file path.
* @param {string} baseDir Directory where the file was found.
* @param {string} paths Alternative paths where to find the imports.
* @param {Array} parsedFiles Yet parsed files to reduce size of the result.
* @return {string} Partially combined scss.
*/
function getReplace(capture, baseDir, paths, parsedFiles) {
var parse = path.parse(path.resolve(baseDir, capture + '.scss'));
var file = parse.dir + '/' + parse.name;
if (file.slice(-3) === '.wp') {
console.log('Windows Phone not supported "' + capture);
// File was already parsed, leave the import commented.
return '// @import "' + capture + '";';
}
if (!fs.existsSync(file + '.scss')) {
// File not found, might be a partial file.
file = parse.dir + '/_' + parse.name;
}
// If file still not found, try to find the file in the alternative paths.
var x = 0;
while (!fs.existsSync(file + '.scss') && paths.length > x) {
parse = path.parse(path.resolve(paths[x], capture + '.scss'));
file = parse.dir + '/' + parse.name;
x++;
}
file = file + '.scss';
if (!fs.existsSync(file)) {
// File not found. Leave the import there.
console.log('File "' + capture + '" not found');
return '@import "' + capture + '";';
}
if (parsedFiles.indexOf(file) >= 0) {
console.log('File "' + capture + '" already parsed');
// File was already parsed, leave the import commented.
return '// @import "' + capture + '";';
}
parsedFiles.push(file);
var text = fs.readFileSync(file);
// Recursive call.
return scssCombine(text, parse.dir, paths, parsedFiles);
}
/**
* Combine scss files with its imports
*
* @param {string} content Scss string to read.
* @param {string} baseDir Directory where the file was found.
* @param {string} paths Alternative paths where to find the imports.
* @param {Array} parsedFiles Yet parsed files to reduce size of the result.
* @return {string} Scss string with the replaces done.
*/
function scssCombine(content, baseDir, paths, parsedFiles) {
// Content is a Buffer, convert to string.
if (typeof content != "string") {
content = content.toString();
}
// Search of single imports.
var regex = /@import[ ]*['"](.*)['"][ ]*;/g;
if (regex.test(content)) {
return content.replace(regex, function(m, capture) {
if (capture == "bmma") {
return m;
}
return getReplace(capture, baseDir, paths, parsedFiles);
});
}
// Search of multiple imports.
regex = /@import(?:[ \n]+['"](.*)['"][,]?[ \n]*)+;/gm;
if (regex.test(content)) {
return content.replace(regex, function(m, capture) {
var text = "";
// Divide the import into multiple files.
regex = /['"]([^'"]*)['"]/g;
var captures = m.match(regex);
for (var x in captures) {
text += getReplace(captures[x].replace(/['"]+/g, ''), baseDir, paths, parsedFiles) + "\n";
}
return text;
});
}
return content;
}
gulp.task('combine-scss', function(done) {
var paths = [
'node_modules/ionic-angular/themes/',
'node_modules/font-awesome/scss/',
'node_modules/ionicons/dist/scss/'
];
var parsedFiles = [];
gulp.src([
'./src/theme/variables.scss',
'./node_modules/ionic-angular/themes/ionic.globals.*.scss',
'./node_modules/ionic-angular/themes/ionic.components.scss',
'./src/**/*.scss']) // define a source files
.pipe(through(function(file, encoding, callback) {
if (file.isNull()) {
return;
}
parsedFiles.push(file);
file.contents = bufferFrom(scssCombine(file.contents, path.dirname(file.path), paths, parsedFiles));
this.emit('data', file);
})) // combine them based on @import and save it to stream
.pipe(concat('combined.scss')) // concat the stream output in single file
.pipe(gulp.dest('.')) // save file to destination.
.on('end', done);
});