1 files changed, 125 insertions, 0 deletions
diff --git a/lib/api/encodeGlobal.js b/lib/api/encodeGlobal.js
new file mode 100644
index 0000000..4688cca
--- /dev/null
+++ b/lib/api/encodeGlobal.js
@@ -0,0 +1,125 @@
+var Promise = require('../utils/promise');
+var PathUtils = require('../utils/path');
+var fs = require('../utils/fs');
+
+var deprecate = require('./deprecate');
+var encodeConfig = require('./encodeConfig');
+var encodeNavigation = require('./encodeNavigation');
+var fileToURL = require('../output/helper/fileToURL');
+
+/**
+    Encode a global context into a JS object
+    It's the context for page's hook, etc
+
+    @param {Output} output
+    @return {Object}
+*/
+function encodeGlobal(output) {
+    var book = output.getBook();
+    var bookFS = book.getContentFS();
+    var logger = output.getLogger();
+    var outputFolder = output.getRoot();
+
+    var result = {
+        log: logger,
+        config: encodeConfig(output, book.getConfig()),
+
+        isMultilingual: function() {
+            return book.isMultilingual();
+        },
+
+        isLanguageBook: function() {
+            return book.isLanguageBook();
+        },
+
+        isSubBook: deprecate.method(output, 'this.isSubBook', function() {
+            return book.isLanguageBook();
+        }, '"isSubBook" is deprecated, use "isLanguageBook()" instead'),
+
+        /**
+            Read a file from the book
+
+            @param {String} fileName
+            @return {Promise<Buffer>}
+        */
+        readFile: function(fileName) {
+            return bookFS.read(fileName);
+        },
+
+        /**
+            Read a file from the book as a string
+
+            @param {String} fileName
+            @return {Promise<String>}
+        */
+        readFileAsString: function(fileName) {
+            return bookFS.readAsString(fileName);
+        },
+
+        output: {
+            /**
+                Name of the generator being used
+                {String}
+            */
+            name: output.getGenerator(),
+
+            /**
+                Return absolute path to the root folder of output
+                @return {String}
+            */
+            root: function() {
+                return outputFolder;
+            },
+
+            /**
+                Convert a filepath into an url
+                @return {String}
+            */
+            toURL: function(filePath) {
+                return fileToURL(output, filePath);
+            },
+
+            /**
+                Write a file to the output folder,
+                It creates the required folder
+
+                @param {String} fileName
+                @param {Buffer} content
+                @return {Promise}
+            */
+            writeFile: function(fileName, content) {
+                return Promise()
+                .then(function() {
+                    var filePath = PathUtils.resolveInRoot(outputFolder, fileName);
+
+                    return fs.ensureFile(filePath)
+                    .then(function() {
+                        return fs.writeFile(filePath, content);
+                    });
+                });
+            }
+        }
+    };
+
+    // todo
+    // template.applyBlock
+
+    // Deprecated properties
+
+    deprecate.field(output, 'this.generator', result, 'generator',
+        output.getGenerator(), '"this.generator" property is deprecated, use "this.output.name" instead');
+
+    deprecate.field(output, 'this.navigation', result, 'navigation', function() {
+        return encodeNavigation(output);
+    }, '"navigation" property is deprecated');
+
+    deprecate.field(output, 'this.book', result, 'book',
+        result, '"book" property is deprecated, use "this" directly instead');
+
+    deprecate.field(output, 'this.options', result, 'options',
+        result.config.values, '"options" property is deprecated, use config.get(key) instead');
+
+    return result;
+}
+
+module.exports = encodeGlobal;