Opal-Estate-Pro/node_modules/resolve/lib/core.js

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2019-09-13 06:27:52 +02:00
var current = (process.versions && process.versions.node && process.versions.node.split('.')) || [];
function specifierIncluded(specifier) {
var parts = specifier.split(' ');
var op = parts.length > 1 ? parts[0] : '=';
var versionParts = (parts.length > 1 ? parts[1] : parts[0]).split('.');
for (var i = 0; i < 3; ++i) {
var cur = Number(current[i] || 0);
var ver = Number(versionParts[i] || 0);
if (cur === ver) {
continue; // eslint-disable-line no-restricted-syntax, no-continue
}
if (op === '<') {
return cur < ver;
} else if (op === '>=') {
return cur >= ver;
} else {
return false;
}
}
return op === '>=';
}
function matchesRange(range) {
var specifiers = range.split(/ ?&& ?/);
if (specifiers.length === 0) { return false; }
for (var i = 0; i < specifiers.length; ++i) {
if (!specifierIncluded(specifiers[i])) { return false; }
}
return true;
}
function versionIncluded(specifierValue) {
if (typeof specifierValue === 'boolean') { return specifierValue; }
if (specifierValue && typeof specifierValue === 'object') {
for (var i = 0; i < specifierValue.length; ++i) {
if (matchesRange(specifierValue[i])) { return true; }
}
return false;
}
return matchesRange(specifierValue);
}
var data = require('./core.json');
var core = {};
for (var mod in data) { // eslint-disable-line no-restricted-syntax
if (Object.prototype.hasOwnProperty.call(data, mod)) {
core[mod] = versionIncluded(data[mod]);
}
}
module.exports = core;