90 lines
2.3 KiB
JavaScript
90 lines
2.3 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const { join, dirname, readJson } = require("../util/fs");
|
|
|
|
/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */
|
|
|
|
/**
|
|
* @param {string} str maybe required version
|
|
* @returns {boolean} true, if it looks like a version
|
|
*/
|
|
exports.isRequiredVersion = str => {
|
|
return /^([\d^=v<>~]|[*xX]$)/.test(str);
|
|
};
|
|
|
|
/**
|
|
*
|
|
* @param {InputFileSystem} fs file system
|
|
* @param {string} directory directory to start looking into
|
|
* @param {string[]} descriptionFiles possible description filenames
|
|
* @param {function(Error=, {data: object, path: string}=): void} callback callback
|
|
*/
|
|
const getDescriptionFile = (fs, directory, descriptionFiles, callback) => {
|
|
let i = 0;
|
|
const tryLoadCurrent = () => {
|
|
if (i >= descriptionFiles.length) {
|
|
const parentDirectory = dirname(fs, directory);
|
|
if (!parentDirectory || parentDirectory === directory) return callback();
|
|
return getDescriptionFile(
|
|
fs,
|
|
parentDirectory,
|
|
descriptionFiles,
|
|
callback
|
|
);
|
|
}
|
|
const filePath = join(fs, directory, descriptionFiles[i]);
|
|
readJson(fs, filePath, (err, data) => {
|
|
if (err) {
|
|
if ("code" in err && err.code === "ENOENT") {
|
|
i++;
|
|
return tryLoadCurrent();
|
|
}
|
|
return callback(err);
|
|
}
|
|
if (!data || typeof data !== "object" || Array.isArray(data)) {
|
|
return callback(
|
|
new Error(`Description file ${filePath} is not an object`)
|
|
);
|
|
}
|
|
callback(null, { data, path: filePath });
|
|
});
|
|
};
|
|
tryLoadCurrent();
|
|
};
|
|
exports.getDescriptionFile = getDescriptionFile;
|
|
|
|
exports.getRequiredVersionFromDescriptionFile = (data, packageName) => {
|
|
if (
|
|
data.optionalDependencies &&
|
|
typeof data.optionalDependencies === "object" &&
|
|
packageName in data.optionalDependencies
|
|
) {
|
|
return data.optionalDependencies[packageName];
|
|
}
|
|
if (
|
|
data.dependencies &&
|
|
typeof data.dependencies === "object" &&
|
|
packageName in data.dependencies
|
|
) {
|
|
return data.dependencies[packageName];
|
|
}
|
|
if (
|
|
data.peerDependencies &&
|
|
typeof data.peerDependencies === "object" &&
|
|
packageName in data.peerDependencies
|
|
) {
|
|
return data.peerDependencies[packageName];
|
|
}
|
|
if (
|
|
data.devDependencies &&
|
|
typeof data.devDependencies === "object" &&
|
|
packageName in data.devDependencies
|
|
) {
|
|
return data.devDependencies[packageName];
|
|
}
|
|
};
|