Support config file

.gitignore

@@ -1 +1,2 @@
 node_modules/
+config.json

LICENSE

@@ -19,4 +19,3 @@ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
-

README.md

@@ -12,3 +12,10 @@ Creates a comprehensive JSON file of selected [WebPlatform Docs](https://docs.we
 ```
 [sudo] node update-wpd-docs --output <path to output json> [--exclude-vendor-prefixed] [[--path <comma-separated list of paths>]]
 ```
+
+# Config
+You can create a `config.json` file with the keys `output`, `paths` and `vendor-prefixes`. You can also define aliases in there and use them like this:
+```
+[sudo] node update-wpd-docs <alias>
+```
+[Example `config.json`](https://github.com/MarcelGerber/update-wpd-docs/blob/brackets-config/config.json)

defaults.json

@@ -0,0 +1,4 @@
+{
+    "vendor-prefixes": true,
+    "paths": "css/properties"
+}

update-wpd-docs.js

@@ -9,19 +9,45 @@ var fs          = require("fs"),
     path        = require("path"),
     program     = require("commander");
 
+var defaults    = JSON.parse(fs.readFileSync("defaults.json")),
+    config;
+try {
+    config      = JSON.parse(fs.readFileSync("config.json"));
+} catch (e) {
+    config = {};
+}
+
 instaview.conf.paths.articles = "https://docs.webplatform.org/wiki/"; // base URL for every link
 instaview.conf.locale.image = "__Image__"; // disable <img> tags
 
 var url, rawUrl = {};
 rawUrl.page = "https://docs.webplatform.org/w/api.php?action=ask&format=json&query=%20%5B%5BPath%3A%3A~{{1}}%2F*%5D%5D%7C%3FSummary%7Cprettyprint%3Dno%7Climit%3D1000000"; // #ask: [[Path::~{{1}}/*]]|?Summary|prettyprint=no|limit=1000000
 rawUrl.properties = "https://docs.webplatform.org/w/api.php?action=ask&format=json&query=%5B%5BValue%20for%20property%3A%3A~{{1}}%2F*%5D%5D%7C%3FProperty%20value%7C%3FProperty%20value%20description%7C%3FValue%20for%20property%7Cprettyprint%3Dno%7Climit%3D1000000"; // #ask: [[Value for property::~{{1}}/*]]|?Property value|?Property value description|?Value for property|prettyprint=no|limit=1000000
 
+function getConfig(alias) {
+    var conf = {};
+    conf = defaults;
+    Object.keys(config).forEach(function (key) {
+        conf[key] = config[key];
+    });
+    var aliasConfig = config.aliases && config.aliases[alias];
+    if (alias && aliasConfig) {
+        Object.keys(aliasConfig).forEach(function (key) {
+            conf[key] = aliasConfig[key];
+        });
+    }
+    return conf;
+}
+
 // Parse arguments
+program.parse(process.argv);
+config = getConfig(program.args[0]);
+
 program
     .version("0.0.1")
-    .option("-o, --output <s>", "The output css.json")
-    .option("--paths, --path <s>", "Comma-separated list of path(s) to include", "css/properties")
-    .option("--nv, --exclude-vendor-prefixed", "Exclude vendor prefixed properties")
+    .option("-o, --output <s>", "Path to output JSON", config.output)
+    .option("--nv, --exclude-vendor-prefixed", "Exclude vendor prefixed properties", !config["vendor-prefixes"])
+    .option("--path, --paths <s>", "Comma-separated list of path(s) to include", "css/properties", config.paths)
     .parse(process.argv);
 
 var result = {},
@@ -30,8 +56,7 @@ var result = {},
 if (outputFile) {
     outputFile = path.normalize(path.resolve(__dirname, outputFile));
 } else {
-    console.error("Usage: update-docs --output <path to output json> [--exclude-vendor-prefixed] [[--path <comma-separated list of paths>]]\nExample: update-docs --output ..\\brackets\\src\\extensions\\default\\WebPlatformDocs\\css.json");
-    process.exit();
+    program.help();
 }
 
 var message = "Updated data will be written to \"" + outputFile + "\"" + (path.extname(outputFile) === ".json" ? "" : ", which is not a .json file") + ".";
@@ -55,7 +80,7 @@ function createURLs(url, path) {
 }
 
 var response, currentPath, oldResultsLength,
-    paths = program.path.split(",");
+    paths = program.paths.split(",");
 
 function get(pathIndex) {
     currentPath = paths[pathIndex];
@@ -135,4 +160,4 @@ function get(pathIndex) {
     });
 }
 
-get(0);
+get(0);