Constnium/node_modules/jake/lib/program.js

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2022-06-22 19:41:32 +02:00
/*
* Jake JavaScript build tool
* Copyright 2112 Matthew Eernisse (mde@fleegix.org)
*
* 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.
*
*/
let fs = require('fs');
let parseargs = require('./parseargs');
let utils = require('./utils');
let Program;
let usage = require('fs').readFileSync(`${__dirname}/../usage.txt`).toString();
let { Task } = require('./task/task');
function die(msg) {
console.log(msg);
process.stdout.write('', function () {
process.stderr.write('', function () {
process.exit();
});
});
}
let preempts = {
version: function () {
die(jake.version);
},
help: function () {
die(usage);
}
};
let AVAILABLE_OPTS = [
{ full: 'jakefile',
abbr: 'f',
expectValue: true
},
{ full: 'quiet',
abbr: 'q',
expectValue: false
},
{ full: 'directory',
abbr: 'C',
expectValue: true
},
{ full: 'always-make',
abbr: 'B',
expectValue: false
},
{ full: 'tasks',
abbr: 'T',
expectValue: false,
allowValue: true
},
// Alias t
{ full: 'tasks',
abbr: 't',
expectValue: false,
allowValue: true
},
// Alias ls
{ full: 'tasks',
abbr: 'ls',
expectValue: false,
allowValue: true
},
{ full: 'help',
abbr: 'h',
},
{ full: 'version',
abbr: 'V',
},
// Alias lowercase v
{ full: 'version',
abbr: 'v',
},
{ full: 'jakelibdir',
abbr: 'J',
expectValue: true
},
{ full: 'allow-rejection',
abbr: 'ar',
expectValue: false
}
];
Program = function () {
this.availableOpts = AVAILABLE_OPTS;
this.opts = {};
this.taskNames = null;
this.taskArgs = null;
this.envVars = null;
this.die = die;
};
Program.prototype = new (function () {
this.handleErr = function (err) {
if (jake.listeners('error').length !== 0) {
jake.emit('error', err);
return;
}
if (jake.listeners('error').length) {
jake.emit('error', err);
return;
}
utils.logger.error('jake aborted.');
if (err.stack) {
utils.logger.error(err.stack);
}
else {
utils.logger.error(err.message);
}
process.stdout.write('', function () {
process.stderr.write('', function () {
jake.errorCode = jake.errorCode || 1;
process.exit(jake.errorCode);
});
});
};
this.parseArgs = function (args) {
let result = (new parseargs.Parser(this.availableOpts)).parse(args);
this.setOpts(result.opts);
this.setTaskNames(result.taskNames);
this.setEnvVars(result.envVars);
};
this.setOpts = function (options) {
let opts = options || {};
Object.assign(this.opts, opts);
};
this.internalOpts = function (options) {
this.availableOpts = this.availableOpts.concat(options);
};
this.autocompletions = function (cur) {
let p; let i; let task;
let commonPrefix = '';
let matches = [];
for (p in jake.Task) {
task = jake.Task[p];
if (
'fullName' in task
&& (
// if empty string, program converts to true
cur === true ||
task.fullName.indexOf(cur) === 0
)
) {
if (matches.length === 0) {
commonPrefix = task.fullName;
}
else {
for (i = commonPrefix.length; i > -1; --i) {
commonPrefix = commonPrefix.substr(0, i);
if (task.fullName.indexOf(commonPrefix) === 0) {
break;
}
}
}
matches.push(task.fullName);
}
}
if (matches.length > 1 && commonPrefix === cur) {
matches.unshift('yes-space');
}
else {
matches.unshift('no-space');
}
process.stdout.write(matches.join(' '));
};
this.setTaskNames = function (names) {
if (names && !Array.isArray(names)) {
throw new Error('Task names must be an array');
}
this.taskNames = (names && names.length) ? names : ['default'];
};
this.setEnvVars = function (vars) {
this.envVars = vars || null;
};
this.firstPreemptiveOption = function () {
let opts = this.opts;
for (let p in opts) {
if (preempts[p]) {
return preempts[p];
}
}
return false;
};
this.init = function (configuration) {
let self = this;
let config = configuration || {};
if (config.options) {
this.setOpts(config.options);
}
if (config.taskNames) {
this.setTaskNames(config.taskNames);
}
if (config.envVars) {
this.setEnvVars(config.envVars);
}
process.addListener('uncaughtException', function (err) {
self.handleErr(err);
});
if (!this.opts['allow-rejection']) {
process.addListener('unhandledRejection', (reason, promise) => {
utils.logger.error('Unhandled rejection at:', promise, 'reason:', reason);
self.handleErr(reason);
});
}
if (this.envVars) {
Object.assign(process.env, this.envVars);
}
};
this.run = function () {
let rootTask;
let taskNames;
let dirname;
let opts = this.opts;
if (opts.autocomplete) {
return this.autocompletions(opts['autocomplete-cur'], opts['autocomplete-prev']);
}
// Run with `jake -T`, just show descriptions
if (opts.tasks) {
return jake.showAllTaskDescriptions(opts.tasks);
}
taskNames = this.taskNames;
if (!(Array.isArray(taskNames) && taskNames.length)) {
throw new Error('Please pass jake.runTasks an array of task-names');
}
// Set working dir
dirname = opts.directory;
if (dirname) {
if (fs.existsSync(dirname) &&
fs.statSync(dirname).isDirectory()) {
process.chdir(dirname);
}
else {
throw new Error(dirname + ' is not a valid directory path');
}
}
rootTask = task(Task.ROOT_TASK_NAME, taskNames, function () {});
rootTask._internal = true;
rootTask.once('complete', function () {
jake.emit('complete');
});
jake.emit('start');
rootTask.invoke();
};
})();
module.exports.Program = Program;