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author | Minteck <contact@minteck.org> | 2022-06-04 08:51:01 +0200 |
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committer | Minteck <contact@minteck.org> | 2022-06-04 08:51:01 +0200 |
commit | 383285ecd5292bf9a825e05904955b937de84cc9 (patch) | |
tree | 0a53b6f02c1604b078044567c03dc1b6c944c8c2 /node_modules/nodemon/lib/config/load.js | |
download | equestriadb-383285ecd5292bf9a825e05904955b937de84cc9.tar.gz equestriadb-383285ecd5292bf9a825e05904955b937de84cc9.tar.bz2 equestriadb-383285ecd5292bf9a825e05904955b937de84cc9.zip |
Initial commit
Diffstat (limited to 'node_modules/nodemon/lib/config/load.js')
-rw-r--r-- | node_modules/nodemon/lib/config/load.js | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/node_modules/nodemon/lib/config/load.js b/node_modules/nodemon/lib/config/load.js new file mode 100644 index 0000000..bd5a03d --- /dev/null +++ b/node_modules/nodemon/lib/config/load.js @@ -0,0 +1,256 @@ +var debug = require('debug')('nodemon'); +var fs = require('fs'); +var path = require('path'); +var exists = fs.exists || path.exists; +var utils = require('../utils'); +var rules = require('../rules'); +var parse = require('../rules/parse'); +var exec = require('./exec'); +var defaults = require('./defaults'); + +module.exports = load; +module.exports.mutateExecOptions = mutateExecOptions; + +var existsSync = fs.existsSync || path.existsSync; + +function findAppScript() { + // nodemon has been run alone, so try to read the package file + // or try to read the index.js file + if (existsSync('./index.js')) { + return 'index.js'; + } +} + +/** + * Load the nodemon config, first reading the global root/nodemon.json, then + * the local nodemon.json to the exec and then overwriting using any user + * specified settings (i.e. from the cli) + * + * @param {Object} settings user defined settings + * @param {Function} ready callback that receives complete config + */ +function load(settings, options, config, callback) { + config.loaded = []; + // first load the root nodemon.json + loadFile(options, config, utils.home, function (options) { + // then load the user's local configuration file + if (settings.configFile) { + options.configFile = path.resolve(settings.configFile); + } + loadFile(options, config, process.cwd(), function (options) { + // Then merge over with the user settings (parsed from the cli). + // Note that merge protects and favours existing values over new values, + // and thus command line arguments get priority + options = utils.merge(settings, options); + + // legacy support + if (!Array.isArray(options.ignore)) { + options.ignore = [options.ignore]; + } + + if (!options.ignoreRoot) { + options.ignoreRoot = defaults.ignoreRoot; + } + + // blend the user ignore and the default ignore together + if (options.ignoreRoot && options.ignore) { + if (!Array.isArray(options.ignoreRoot)) { + options.ignoreRoot = [options.ignoreRoot]; + } + options.ignore = options.ignoreRoot.concat(options.ignore); + } else { + options.ignore = defaults.ignore.concat(options.ignore); + } + + + // add in any missing defaults + options = utils.merge(options, defaults); + + if (!options.script && !options.exec) { + var found = findAppScript(); + if (found) { + if (!options.args) { + options.args = []; + } + // if the script is found as a result of not being on the command + // line, then we move any of the pre double-dash args in execArgs + const n = options.scriptPosition === null ? + options.args.length : options.scriptPosition; + + options.execArgs = (options.execArgs || []) + .concat(options.args.splice(0, n)); + options.scriptPosition = null; + + options.script = found; + } + } + + mutateExecOptions(options); + + if (options.quiet) { + utils.quiet(); + } + + if (options.verbose) { + utils.debug = true; + } + + // simplify the ready callback to be called after the rules are normalised + // from strings to regexp through the rules lib. Note that this gets + // created *after* options is overwritten twice in the lines above. + var ready = function (options) { + normaliseRules(options, callback); + }; + + // if we didn't pick up a nodemon.json file & there's no cli ignores + // then try loading an old style .nodemonignore file + if (config.loaded.length === 0) { + var legacy = loadLegacyIgnore.bind(null, options, config, ready); + + // first try .nodemonignore, if that doesn't exist, try nodemon-ignore + return legacy('.nodemonignore', function () { + legacy('nodemon-ignore', function (options) { + ready(options); + }); + }); + } + + ready(options); + }); + }); +} + +/** + * Loads the old style nodemonignore files which is a list of patterns + * in a file to ignore + * + * @param {Object} options nodemon user options + * @param {Function} success + * @param {String} filename ignore file (.nodemonignore or nodemon-ignore) + * @param {Function} fail (optional) failure callback + */ +function loadLegacyIgnore(options, config, success, filename, fail) { + var ignoreFile = path.join(process.cwd(), filename); + + exists(ignoreFile, function (exists) { + if (exists) { + config.loaded.push(ignoreFile); + return parse(ignoreFile, function (error, rules) { + options.ignore = rules.raw; + success(options); + }); + } + + if (fail) { + fail(options); + } else { + success(options); + } + }); +} + +function normaliseRules(options, ready) { + // convert ignore and watch options to rules/regexp + rules.watch.add(options.watch); + rules.ignore.add(options.ignore); + + // normalise the watch and ignore arrays + options.watch = options.watch === false ? false : rules.rules.watch; + options.ignore = rules.rules.ignore; + + ready(options); +} + +/** + * Looks for a config in the current working directory, and a config in the + * user's home directory, merging the two together, giving priority to local + * config. This can then be overwritten later by command line arguments + * + * @param {Function} ready callback to pass loaded settings to + */ +function loadFile(options, config, dir, ready) { + if (!ready) { + ready = function () { }; + } + + var callback = function (settings) { + // prefer the local nodemon.json and fill in missing items using + // the global options + ready(utils.merge(settings, options)); + }; + + if (!dir) { + return callback({}); + } + + var filename = options.configFile || path.join(dir, 'nodemon.json'); + + if (config.loaded.indexOf(filename) !== -1) { + // don't bother re-parsing the same config file + return callback({}); + } + + fs.readFile(filename, 'utf8', function (err, data) { + if (err) { + if (err.code === 'ENOENT') { + if (!options.configFile && dir !== utils.home) { + // if no specified local config file and local nodemon.json + // doesn't exist, try the package.json + return loadPackageJSON(config, callback); + } + } + return callback({}); + } + + var settings = {}; + + try { + settings = JSON.parse(data.toString('utf8').replace(/^\uFEFF/, '')); + if (!filename.endsWith('package.json') || settings.nodemonConfig) { + config.loaded.push(filename); + } + } catch (e) { + utils.log.fail('Failed to parse config ' + filename); + console.error(e); + process.exit(1); + } + + // options values will overwrite settings + callback(settings); + }); +} + +function loadPackageJSON(config, ready) { + if (!ready) { + ready = () => { }; + } + + const dir = process.cwd(); + const filename = path.join(dir, 'package.json'); + const packageLoadOptions = { configFile: filename }; + return loadFile(packageLoadOptions, config, dir, settings => { + ready(settings.nodemonConfig || {}); + }); +} + +function mutateExecOptions(options) { + // work out the execOptions based on the final config we have + options.execOptions = exec({ + script: options.script, + exec: options.exec, + args: options.args, + scriptPosition: options.scriptPosition, + nodeArgs: options.nodeArgs, + execArgs: options.execArgs, + ext: options.ext, + env: options.env, + }, options.execMap); + + // clean up values that we don't need at the top level + delete options.scriptPosition; + delete options.script; + delete options.args; + delete options.ext; + + return options; +} |