/**
* All writing related code here. This is so that we can separate the async code from sync code
* for testability
*/
require.paths.push(__dirname);
var qfs = require('q-fs');
var Q = require('qq');
var OUTPUT_DIR = "build/docs/";
var fs = require('fs');
exports.output = function(file, content){
console.log('writing ', file);
var fullPath = OUTPUT_DIR + file;
var dir = parent(fullPath);
return Q.when(exports.makeDir(dir), function(error) {
qfs.write(fullPath,exports.toString(content));
});
}
//recursively create directory
exports.makeDir = function (path) {
var parts = path.split(/\//);
var path = ".";
//Sequentially create directories
var done = Q.defer();
(function createPart() {
if(!parts.length) {
done.resolve();
} else {
path += "/" + parts.shift();
qfs.isDirectory(path).then(function(isDir) {
if(!isDir) {
qfs.makeDirectory(path);
}
createPart();
});
}
})();
return done.promise;
};
exports.copyTpl = function(filename) {
return exports.copy('docs/src/templates/' + filename, OUTPUT_DIR + filename);
};
/* Copy files from one place to another.
* @param from{string} path of the source file to be copied
* @param to{string} path of where the copied file should be stored
* @param transform{function=} transfromation function to be applied before return
*/
exports.copy = function(from, to, transform) {
var args = Array.prototype.slice.call(arguments, 3);
// We have to use binary reading, Since some characters are unicode.
return qfs.read(from, 'b').then(function(content) {
if (transform) {
args.unshift(content.toString());
content = transform.apply(null, args);
}
qfs.write(to, content);
});
}
/* Replace placeholders in content accordingly
* @param content{string} content to be modified
* @param replacements{obj} key and value pairs in which key will be replaced with value in content
*/
exports.replace = function(content, replacements) {
for(key in replacements) {
content = content.replace(key, replacements[key]);
}
return content;
}
exports.copyDir = function copyDir(dir) {
return qfs.listDirectoryTree('docs/' + dir).then(function(dirs) {
var done;
dirs.forEach(function(dirToMake) {
done = Q.when(done, function() {
return exports.makeDir("./build/" + dirToMake);
});
});
return done;
}).then(function() {
return qfs.listTree('docs/' + dir);
}).then(function(files) {
files.forEach( function(file) {
exports.copy(file,'./build/' + file);
});
});
};
exports.merge = function(srcs, to) {
return merge(srcs.map(function(src) { return 'docs/src/templates/' + src; }), OUTPUT_DIR + to);
};
function merge(srcs, to) {
var contents = [];
//Sequentially read file
var done;
srcs.forEach(function (src) {
done = Q.when(done, function(content) {
if(content) contents.push(content);
return qfs.read(src, 'b');
});
});
// write to file
return Q.when(done, function(content) {
contents.push(content);
qfs.write(to, contents.join('\n'));
});
}
//----------------------- Synchronous Methods ----------------------------------
function parent(file) {
var parts = file.split('/');
parts.pop();
return parts.join('/');
}
exports.toString = function toString(obj) {
switch (typeof obj) {
case 'string':
return obj;
case 'object':
if (obj instanceof Array) {
obj.forEach(function (value, key) {
obj[key] = toString(value);
});
return obj.join('');
} else {
return JSON.stringify(obj);
}
}
return obj;
};
function noop(){};
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