ÿØÿà JFIF    ÿÛ „  ( %"1!%)+...383,7(-.+  -+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â" ÿÄ     ÿÄ H    !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ   ÿÄ %  !1AQa"23‘ÿÚ   ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ ú®ði~TÁbqÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6  öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ "Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt ‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%ºÍãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»& î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ ÷Û #°xŸëí(l »ý3—¥5m! rt`†0~'j2(]S¦¦kv,ÚÇ l¦øJA£Šƒ J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨ÖÚ5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg A2Z"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø ð\á)} ¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±N¢aF¨…8¯!U  Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD é©¤&‡ïDbàÁôMÁ." ¤‡ú*õ'VŽ|¼´Úgllº¼klz[Æüï÷Aób‡Eÿ dÑ»Xx9ÃÜ£ÁT/`¼¸vI±Ýµ·Ë‚“G³þ*Ÿû´r|*}<¨îºœ @¦mÄ’M¹”.œ«Y–|6ÏU¤jç¥ÕÞqO ˜kDÆÁ¨5ÿ š;Њ¦¦€GÙk \ –Þ=â¼=SͧµªS°ÚÍpÜãQűÀõ¬?ÃÁ1Ñ•õZà?hóœ€ L¦l{Y*K˜Ù›zc˜–ˆâ ø+¾ ­-Ök¥%ùEÜA'}ˆ><ÊIè“bpÍ/qÞâvoX€w,\úªò6Z[XdÒæ­@Ö—€$òJí#é>'°Ú ôª˜<)4ryÙ£|óAÅn5žêŸyÒäMÝ2{"}‰–¤l÷ûWX\l¾Á¸góÉOÔ /óñB¤f¸çñ[.P˜ZsÊË*ßT܈§QN¢’¡¨§V¼(Üù*eÕ“”5T¨‹Âê¥FŒã½Dü[8'Ò¥a…Ú¶k7a *•›¼'Ò·\8¨ª\@\õ¢¦íq+DÙrmÎ…_ªæ»ŠÓœ¡¯’Ré9MÅ×D™lælffc+ŒÑ,ý™ÿ ¯þǤ=Å’Á7µ÷ÚÛ/“Ü€ñýã¼àí¾ÕÑ+ƒ,uµMâÀÄbm:ÒÎPæ{˜Gz[ƒ¯«® KHà`ßØŠéí¯P8Aq.C‰ à€kòpj´kN¶qô€…Õ,ÜNŠª-­{Zö’æû44‰sŽè‰îVíRœÕm" 6?³D9¡ÇTíÅꋇ`4«¸ÝÁô ï’ýorqКÇZ«x4Žâéþuïf¹µö[P ,Q£éaX±`PÉÍZ ¸äYúg üAx ’6Lê‚xÝÓ*äQ  Ï’¨hÍ =²,6ï#rÃ<¯–£»ƒ‹,–ê•€ aÛsñ'%Æ"®ÛüìBᝠHÚ3ß°©$“XnœÖ’î2ËTeûìxîß ¦å¿çÉ ðK§þ{‘t‚Ϋ¬jéîZ[ ”š7L¥4VÚCE×]m¤Øy”ä4-dz£œ§¸x.*ãÊÊ b÷•h:©‡¦s`BTÁRû¾g⻩‹jø sF¢àJøFl‘È•Xᓁà~*j¯ +(ÚÕ6-£¯÷GŠØy‚<Ç’.F‹Hœw(+)ÜÜâÈzÄäT§FߘãÏ;DmVœ3Àu@mÚüXÝü•3B¨òÌÁÛ<·ÃÜ z,Ì@õÅ·d2]ü8s÷IôÞ¯^Ç9¢u„~ëAŸï4«M? 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If you pass in a predefined defaults object, it will be mutated: ```javascript var conf = {}; require('rc')(appname, conf); ``` If `rc` finds any config files for your app, the returned config object will have a `configs` array containing their paths: ```javascript var appCfg = require('rc')(appname, conf); appCfg.configs[0] // /etc/appnamerc appCfg.configs[1] // /home/dominictarr/.config/appname appCfg.config // same as appCfg.configs[appCfg.configs.length - 1] ``` ## Standards Given your application name (`appname`), rc will look in all the obvious places for configuration. * command line arguments, parsed by minimist _(e.g. `--foo baz`, also nested: `--foo.bar=baz`)_ * environment variables prefixed with `${appname}_` * or use "\_\_" to indicate nested properties
_(e.g. `appname_foo__bar__baz` => `foo.bar.baz`)_ * if you passed an option `--config file` then from that file * a local `.${appname}rc` or the first found looking in `./ ../ ../../ ../../../` etc. * `$HOME/.${appname}rc` * `$HOME/.${appname}/config` * `$HOME/.config/${appname}` * `$HOME/.config/${appname}/config` * `/etc/${appname}rc` * `/etc/${appname}/config` * the defaults object you passed in. All configuration sources that were found will be flattened into one object, so that sources **earlier** in this list override later ones. ## Configuration File Formats Configuration files (e.g. `.appnamerc`) may be in either [json](http://json.org/example) or [ini](http://en.wikipedia.org/wiki/INI_file) format. **No** file extension (`.json` or `.ini`) should be used. The example configurations below are equivalent: #### Formatted as `ini` ``` ; You can include comments in `ini` format if you want. dependsOn=0.10.0 ; `rc` has built-in support for ini sections, see? [commands] www = ./commands/www console = ./commands/repl ; You can even do nested sections [generators.options] engine = ejs [generators.modules] new = generate-new engine = generate-backend ``` #### Formatted as `json` ```javascript { // You can even comment your JSON, if you want "dependsOn": "0.10.0", "commands": { "www": "./commands/www", "console": "./commands/repl" }, "generators": { "options": { "engine": "ejs" }, "modules": { "new": "generate-new", "backend": "generate-backend" } } } ``` Comments are stripped from JSON config via [strip-json-comments](https://github.com/sindresorhus/strip-json-comments). > Since ini, and env variables do not have a standard for types, your application needs be prepared for strings. To ensure that string representations of booleans and numbers are always converted into their proper types (especially useful if you intend to do strict `===` comparisons), consider using a module such as [parse-strings-in-object](https://github.com/anselanza/parse-strings-in-object) to wrap the config object returned from rc. ## Simple example demonstrating precedence Assume you have an application like this (notice the hard-coded defaults passed to rc): ``` const conf = require('rc')('myapp', { port: 12345, mode: 'test' }); console.log(JSON.stringify(conf, null, 2)); ``` You also have a file `config.json`, with these contents: ``` { "port": 9000, "foo": "from config json", "something": "else" } ``` And a file `.myapprc` in the same folder, with these contents: ``` { "port": "3001", "foo": "bar" } ``` Here is the expected output from various commands: `node .` ``` { "port": "3001", "mode": "test", "foo": "bar", "_": [], "configs": [ "/Users/stephen/repos/conftest/.myapprc" ], "config": "/Users/stephen/repos/conftest/.myapprc" } ``` *Default `mode` from hard-coded object is retained, but port is overridden by `.myapprc` file (automatically found based on appname match), and `foo` is added.* `node . --foo baz` ``` { "port": "3001", "mode": "test", "foo": "baz", "_": [], "configs": [ "/Users/stephen/repos/conftest/.myapprc" ], "config": "/Users/stephen/repos/conftest/.myapprc" } ``` *Same result as above but `foo` is overridden because command-line arguments take precedence over `.myapprc` file.* `node . --foo barbar --config config.json` ``` { "port": 9000, "mode": "test", "foo": "barbar", "something": "else", "_": [], "config": "config.json", "configs": [ "/Users/stephen/repos/conftest/.myapprc", "config.json" ] } ``` *Now the `port` comes from the `config.json` file specified (overriding the value from `.myapprc`), and `foo` value is overriden by command-line despite also being specified in the `config.json` file.* ## Advanced Usage #### Pass in your own `argv` You may pass in your own `argv` as the third argument to `rc`. This is in case you want to [use your own command-line opts parser](https://github.com/dominictarr/rc/pull/12). ```javascript require('rc')(appname, defaults, customArgvParser); ``` ## Pass in your own parser If you have a special need to use a non-standard parser, you can do so by passing in the parser as the 4th argument. (leave the 3rd as null to get the default args parser) ```javascript require('rc')(appname, defaults, null, parser); ``` This may also be used to force a more strict format, such as strict, valid JSON only. ## Note on Performance `rc` is running `fs.statSync`-- so make sure you don't use it in a hot code path (e.g. a request handler) ## License Multi-licensed under the two-clause BSD License, MIT License, or Apache License, version 2.0