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215 lines
5.2 KiB
215 lines
5.2 KiB
"use strict"; |
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exports.__esModule = true; |
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var _assign = require("babel-runtime/core-js/object/assign"); |
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var _assign2 = _interopRequireDefault(_assign); |
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var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck"); |
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var _classCallCheck3 = _interopRequireDefault(_classCallCheck2); |
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exports.default = buildConfigChain; |
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var _resolve = require("../../../helpers/resolve"); |
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var _resolve2 = _interopRequireDefault(_resolve); |
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var _json = require("json5"); |
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var _json2 = _interopRequireDefault(_json); |
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var _pathIsAbsolute = require("path-is-absolute"); |
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var _pathIsAbsolute2 = _interopRequireDefault(_pathIsAbsolute); |
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var _path = require("path"); |
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var _path2 = _interopRequireDefault(_path); |
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var _fs = require("fs"); |
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var _fs2 = _interopRequireDefault(_fs); |
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
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var existsCache = {}; |
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var jsonCache = {}; |
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var BABELIGNORE_FILENAME = ".babelignore"; |
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var BABELRC_FILENAME = ".babelrc"; |
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var PACKAGE_FILENAME = "package.json"; |
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function exists(filename) { |
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var cached = existsCache[filename]; |
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if (cached == null) { |
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return existsCache[filename] = _fs2.default.existsSync(filename); |
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} else { |
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return cached; |
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} |
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} |
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function buildConfigChain() { |
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var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; |
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var log = arguments[1]; |
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var filename = opts.filename; |
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var builder = new ConfigChainBuilder(log); |
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if (opts.babelrc !== false) { |
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builder.findConfigs(filename); |
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} |
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builder.mergeConfig({ |
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options: opts, |
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alias: "base", |
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dirname: filename && _path2.default.dirname(filename) |
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}); |
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return builder.configs; |
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} |
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var ConfigChainBuilder = function () { |
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function ConfigChainBuilder(log) { |
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(0, _classCallCheck3.default)(this, ConfigChainBuilder); |
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this.resolvedConfigs = []; |
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this.configs = []; |
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this.log = log; |
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} |
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ConfigChainBuilder.prototype.findConfigs = function findConfigs(loc) { |
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if (!loc) return; |
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if (!(0, _pathIsAbsolute2.default)(loc)) { |
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loc = _path2.default.join(process.cwd(), loc); |
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} |
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var foundConfig = false; |
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var foundIgnore = false; |
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while (loc !== (loc = _path2.default.dirname(loc))) { |
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if (!foundConfig) { |
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var configLoc = _path2.default.join(loc, BABELRC_FILENAME); |
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if (exists(configLoc)) { |
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this.addConfig(configLoc); |
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foundConfig = true; |
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} |
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var pkgLoc = _path2.default.join(loc, PACKAGE_FILENAME); |
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if (!foundConfig && exists(pkgLoc)) { |
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foundConfig = this.addConfig(pkgLoc, "babel", JSON); |
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} |
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} |
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if (!foundIgnore) { |
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var ignoreLoc = _path2.default.join(loc, BABELIGNORE_FILENAME); |
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if (exists(ignoreLoc)) { |
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this.addIgnoreConfig(ignoreLoc); |
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foundIgnore = true; |
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} |
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} |
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if (foundIgnore && foundConfig) return; |
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} |
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}; |
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ConfigChainBuilder.prototype.addIgnoreConfig = function addIgnoreConfig(loc) { |
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var file = _fs2.default.readFileSync(loc, "utf8"); |
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var lines = file.split("\n"); |
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lines = lines.map(function (line) { |
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return line.replace(/#(.*?)$/, "").trim(); |
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}).filter(function (line) { |
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return !!line; |
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}); |
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if (lines.length) { |
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this.mergeConfig({ |
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options: { ignore: lines }, |
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alias: loc, |
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dirname: _path2.default.dirname(loc) |
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}); |
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} |
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}; |
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ConfigChainBuilder.prototype.addConfig = function addConfig(loc, key) { |
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var json = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _json2.default; |
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if (this.resolvedConfigs.indexOf(loc) >= 0) { |
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return false; |
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} |
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this.resolvedConfigs.push(loc); |
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var content = _fs2.default.readFileSync(loc, "utf8"); |
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var options = void 0; |
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try { |
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options = jsonCache[content] = jsonCache[content] || json.parse(content); |
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if (key) options = options[key]; |
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} catch (err) { |
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err.message = loc + ": Error while parsing JSON - " + err.message; |
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throw err; |
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} |
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this.mergeConfig({ |
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options: options, |
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alias: loc, |
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dirname: _path2.default.dirname(loc) |
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}); |
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return !!options; |
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}; |
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ConfigChainBuilder.prototype.mergeConfig = function mergeConfig(_ref) { |
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var options = _ref.options, |
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alias = _ref.alias, |
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loc = _ref.loc, |
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dirname = _ref.dirname; |
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if (!options) { |
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return false; |
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} |
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options = (0, _assign2.default)({}, options); |
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dirname = dirname || process.cwd(); |
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loc = loc || alias; |
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if (options.extends) { |
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var extendsLoc = (0, _resolve2.default)(options.extends, dirname); |
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if (extendsLoc) { |
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this.addConfig(extendsLoc); |
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} else { |
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if (this.log) this.log.error("Couldn't resolve extends clause of " + options.extends + " in " + alias); |
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} |
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delete options.extends; |
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} |
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this.configs.push({ |
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options: options, |
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alias: alias, |
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loc: loc, |
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dirname: dirname |
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}); |
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var envOpts = void 0; |
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var envKey = process.env.BABEL_ENV || process.env.NODE_ENV || "development"; |
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if (options.env) { |
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envOpts = options.env[envKey]; |
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delete options.env; |
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} |
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this.mergeConfig({ |
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options: envOpts, |
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alias: alias + ".env." + envKey, |
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dirname: dirname |
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}); |
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}; |
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return ConfigChainBuilder; |
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}(); |
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module.exports = exports["default"]; |