Add precompile script for fp modules.

lib/fp/convert.js

@@ -1,6 +1,6 @@
 var _ = require('lodash'),
     baseConvert = require('./baseConvert.js'),
-    util = require('./util.js');
+    util = require('./fp-util.js');
 
 /**
  * Converts `func` of `name` to an auto-curried iteratee-first data-last version.

lib/fp/precompile.js

@@ -0,0 +1,95 @@
+var path = require('path');
+var Module = require('module');
+var _ = require('lodash/fp');
+var mutatingAssign = require('lodash').assign;
+var fs = require('fs');
+
+var collectionModules = [
+  'array.js',
+  'collection.js',
+  'date.js',
+  'function.js',
+  'lang.js',
+  'math.js',
+  'number.js',
+  'object.js',
+  'string.js',
+  'util.js'
+];
+
+var utilityModules = [
+  'util.js', // XXX: Remove! Not actually an utility but a collection module but it interferes testing with the current releases...
+  'lodash.js',
+  'fp.js',
+  'chain.js'
+];
+
+var lodashPath = path.dirname(Module._resolveFilename('lodash', mutatingAssign(new Module, {
+  'paths': Module._nodeModulePaths(process.cwd())
+})));
+
+var mapping = require(lodashPath + '/fp/mapping');
+var singleArgFns = mapping.aryMethodMap[1];
+
+var extPattern = /\.js$/;
+var isJSfile = extPattern.test.bind(extPattern);
+
+var removeJSExt = function(filename) {
+  return filename.replace(extPattern, '');
+};
+
+var isCollectionModule = _.includes(_, collectionModules);
+var isNotUtilityModule = _.negate(_.includes(_, utilityModules));
+var isSingleArgFn = _.includes(_, singleArgFns);
+
+var lodashModules = fs.readdirSync(lodashPath)
+  .filter(isJSfile)
+  .filter(isNotUtilityModule)
+  .map(removeJSExt);
+
+var convertTemplate = _.template(
+  "var convert = require('./convert');\n" +
+  "module.exports = convert('<%= name %>', require('../<%= name %>'));\n"
+);
+
+var collectionTemplate = _.template(
+  "var convert = require('./convert');\n" +
+    "module.exports = convert(require('../<%= name %>'));\n"
+);
+
+var passThroughTemplate = _.template(
+  "module.exports = require('../<%= name %>');\n"
+);
+
+var moduleTemplate = function(name) {
+  var context = {name: name};
+
+  if (isCollectionModule(name + '.js')) {
+    return collectionTemplate(context);
+  }
+  if (isSingleArgFn(name)) {
+    return passThroughTemplate(context);
+  }
+
+  return convertTemplate(context);
+};
+
+function precompileFpWrappers(target) {
+  _.forEach(function(moduleName) {
+    fs.writeFileSync(
+      path.join(target, moduleName + '.js'),
+      moduleTemplate(moduleName)
+    );
+  }, lodashModules);
+
+  _.forEach(function(aliases, origName) {
+    _.forEach(function aliasName() {
+      fs.writeFileSync(
+        path.join(target, aliasName + '.js'),
+        moduleTemplate(origName)
+      );
+    }, aliases);
+  }, mapping.aliasMap);
+}
+
+module.exports = precompileFpWrappers;