Build v3.3.1

1 files changed, 78 insertions, 0 deletions

diff --git a/lib/purs-module-map.js b/lib/purs-module-map.js
new file mode 100644
index 0000000..cb06322
--- /dev/null
+++ b/lib/purs-module-map.js
@@ -0,0 +1,78 @@
+'use strict';
+
+var path = require('path');
+
+var Promise = require('bluebird');
+
+var fs = Promise.promisifyAll(require('fs'));
+
+var globby = require('globby');
+
+var debug = require('debug')('purs-loader');
+
+var srcModuleRegex = /(?:^|\n)module\s+([\w\.]+)/i;
+
+var importModuleRegex = /(?:^|\n)\s*import\s+([\w\.]+)/ig;
+
+module.exports.matchModule = function matchModule(str) {
+  var matches = str.match(srcModuleRegex);
+  return matches && matches[1];
+};
+
+module.exports.matchImports = function matchImports(str) {
+  var matches = str.match(importModuleRegex);
+  return (matches || []).map(function (a) {
+    return a.replace(/\n?\s*import\s+/i, '');
+  });
+};
+
+module.exports.makeMapEntry = function makeMapEntry(filePurs) {
+  var dirname = path.dirname(filePurs);
+
+  var basename = path.basename(filePurs, '.purs');
+
+  var fileJs = path.join(dirname, basename + '.js');
+
+  var result = Promise.props({
+    filePurs: fs.readFileAsync(filePurs, 'utf8'),
+    fileJs: fs.readFileAsync(fileJs, 'utf8').catch(function () {
+      return undefined;
+    })
+  }).then(function (fileMap) {
+    var sourcePurs = fileMap.filePurs;
+
+    var sourceJs = fileMap.fileJs;
+
+    var moduleName = module.exports.matchModule(sourcePurs);
+
+    var imports = module.exports.matchImports(sourcePurs);
+
+    var map = {};
+
+    map[moduleName] = map[moduleName] || {};
+
+    map[moduleName].src = path.resolve(filePurs);
+
+    map[moduleName].imports = imports;
+
+    if (sourceJs) {
+      map[moduleName].ffi = path.resolve(fileJs);
+    }
+
+    return map;
+  });
+
+  return result;
+};
+
+module.exports.makeMap = function makeMap(src) {
+  debug('loading PureScript source and FFI files from %o', src);
+
+  var globs = [].concat(src);
+
+  return globby(globs).then(function (paths) {
+    return Promise.all(paths.map(module.exports.makeMapEntry)).then(function (result) {
+      return result.reduce(Object.assign, {});
+    });
+  });
+};
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