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'use strict';
const fs = require('fs');
const path = require('path');
// Create an object of all benchmark scripts
const benchmarks = {};
fs.readdirSync(__dirname)
.filter((name) => fs.statSync(path.resolve(__dirname, name)).isDirectory())
.forEach((category) => {
benchmarks[category] = fs.readdirSync(path.resolve(__dirname, category))
.filter((filename) => filename[0] !== '.' && filename[0] !== '_');
});
function CLI(usage, settings) {
if (!(this instanceof CLI)) return new CLI(usage, settings);
if (process.argv.length < 3) {
this.abort(usage); // abort will exit the process
}
this.usage = usage;
this.optional = {};
this.items = [];
for (const argName of settings.arrayArgs) {
this.optional[argName] = [];
}
let currentOptional = null;
let mode = 'both'; // possible states are: [both, option, item]
for (const arg of process.argv.slice(2)) {
if (arg === '--') {
// Only items can follow --
mode = 'item';
} else if (['both', 'option'].includes(mode) && arg[0] === '-') {
// Optional arguments declaration
if (arg[1] === '-') {
currentOptional = arg.slice(2);
} else {
currentOptional = arg.slice(1);
}
if (settings.boolArgs && settings.boolArgs.includes(currentOptional)) {
this.optional[currentOptional] = true;
mode = 'both';
} else {
// Expect the next value to be option related (either -- or the value)
mode = 'option';
}
} else if (mode === 'option') {
// Optional arguments value
if (settings.arrayArgs.includes(currentOptional)) {
this.optional[currentOptional].push(arg);
} else {
this.optional[currentOptional] = arg;
}
// the next value can be either an option or an item
mode = 'both';
} else if (['both', 'item'].includes(mode)) {
// item arguments
this.items.push(arg);
// the next value must be an item
mode = 'item';
} else {
// Bad case, abort
this.abort(usage);
}
}
}
module.exports = CLI;
CLI.prototype.abort = function(msg) {
console.error(msg);
process.exit(1);
};
CLI.prototype.benchmarks = function() {
const paths = [];
const filter = this.optional.filter || false;
for (const category of this.items) {
if (benchmarks[category] === undefined)
continue;
for (const scripts of benchmarks[category]) {
if (filter && scripts.lastIndexOf(filter) === -1) continue;
paths.push(path.join(category, scripts));
}
}
return paths;
};
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