Vmeda.Online/gulp/task-build-config.js

139 lines
5.0 KiB
JavaScript

// (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) {
const self = this;
// 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 = self.transformValue(config[key]);
if (typeof config[key] != 'number' && typeof config[key] != 'boolean' && typeof config[key] != 'string') {
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);
});
}
/**
* Recursively transform a config value into personalized TS.
*
* @param value Value to convert
* @return Converted value.
*/
transformValue(value) {
if (typeof value == 'string') {
// Wrap the string in ' and escape them.
return "'" + value.replace(/([^\\])'/g, "$1\\'") + "'";
}
if (typeof value != 'number' && typeof value != 'boolean') {
const isArray = Array.isArray(value);
let contents = '';
let quoteKeys = false;
if (!isArray) {
for (let key in value) {
if (key.indexOf('-') >= 0) {
quoteKeys = true;
break;
}
}
}
for (let key in value) {
value[key] = this.transformValue(value[key]);
const quotedKey = quoteKeys ? "'" + key + "'" : key;
contents += ' ' + (isArray ? '' : quotedKey + ': ') + value[key] + ",\n";
}
contents += (isArray ? ']' : '}');
return (isArray ? '[' : '{') + "\n" + contents.replace(/^/gm, ' ');
}
return value;
}
}
module.exports = BuildConfigTask;