Merge pull request #2356 from tschaub/regenerate-info

Always regenerate info using all sources if any have changed.
This commit is contained in:
Tim Schaub
2014-07-14 09:17:36 -06:00
2 changed files with 71 additions and 148 deletions

View File

@@ -48,7 +48,6 @@ exports.publish = function(data, opts) {
name: doc.longname,
kind: doc.kind,
description: doc.classdesc || doc.description,
extends: doc.augments,
path: path.join(doc.meta.path, doc.meta.filename)
});
}

View File

@@ -14,68 +14,43 @@ var jsdocConfig = path.join(
/**
* Create a new metadata object.
* @return {Object} New metadata.
* Get the mtime of the info file.
* @param {function(Error, Date)} callback Callback called with any
* error and the mtime of the info file (zero date if it doesn't exist).
*/
function createInfo() {
return {symbols: [], defines: []};
}
/**
* Read symbols & defines metadata from info file.
* @param {function(Error, Object, Date)} callback Callback called with any
* error, the metadata, and the mtime of the info file.
*/
function readInfo(callback) {
function getInfoTime(callback) {
fs.stat(infoPath, function(err, stats) {
if (err) {
if (err.code === 'ENOENT') {
callback(null, createInfo(), new Date(0));
callback(null, new Date(0));
} else {
callback(err);
}
} else {
fs.readFile(infoPath, function(err, data) {
if (err) {
callback(err);
} else {
callback(null, JSON.parse(String(data)), stats.mtime);
}
});
callback(null, stats.mtime);
}
});
}
function makeUnique(array) {
var values = {};
array.forEach(function(value) {
values[value] = true;
});
return Object.keys(values);
}
/**
* Generate a list of .js paths in the source directory that are newer than
* the info file.
* @param {Object} info Symbol and defines metadata.
* Generate a list of all .js paths in the source directory if any are newer
* than the provided date.
* @param {Date} date Modification time of info file.
* @param {function(Error, Object, Array.<string>)} callback Called with any
* error, the info object, and the array of newer source paths.
* @param {function(Error, Array.<string>)} callback Called with any
* error and the array of source paths (empty if none newer).
*/
function getNewer(info, date, callback) {
var allPaths = [];
var newerPaths = [];
function getNewer(date, callback) {
var paths = [];
var newer = false;
var walker = walk(sourceDir);
walker.on('file', function(root, stats, next) {
var sourcePath = path.join(root, stats.name);
if (/\.js$/.test(sourcePath)) {
allPaths.push(sourcePath);
paths.push(sourcePath);
if (stats.mtime > date) {
newerPaths.push(sourcePath);
newer = true;
}
}
next();
@@ -84,77 +59,29 @@ function getNewer(info, date, callback) {
callback(new Error('Trouble walking ' + sourceDir));
});
walker.on('end', function() {
// prune symbols if file no longer exists or has been modified
var lookup = {};
info.symbols.forEach(function(symbol) {
lookup[symbol.name] = symbol;
});
/**
* Gather paths for all parent symbols.
* @param {Object} symbol Symbol to check.
* @param {Array.<string>} paths Current paths.
*/
function gatherParentPaths(symbol, paths) {
if (symbol.extends) {
symbol.extends.forEach(function(name) {
if (name in lookup) {
var parent = lookup[name];
paths.push(parent.path);
gatherParentPaths(parent, paths);
}
});
}
}
var dirtyPaths = [];
info.symbols = info.symbols.filter(function(symbol) {
var dirty = allPaths.indexOf(symbol.path) < 0;
if (!dirty) {
// confirm that symbol and all parent paths are not newer
var paths = [symbol.path];
gatherParentPaths(symbol, paths);
dirty = paths.some(function(p) {
return newerPaths.indexOf(p) >= 0;
});
if (dirty) {
dirtyPaths.push(symbol.path);
}
}
return !dirty;
});
info.defines = info.defines.filter(function(define) {
var dirty = allPaths.indexOf(define.path) < 0 ||
newerPaths.indexOf(define.path) >= 0;
if (dirty) {
dirtyPaths.push(define.path);
}
return !dirty;
});
callback(null, info, makeUnique(newerPaths.concat(dirtyPaths)));
callback(null, newer ? paths : []);
});
}
/**
* Spawn JSDoc.
* @param {Object} info Symbol and defines metadata.
* @param {Array.<string>} newerSources Paths to newer source files.
* @param {function(Error, Array, string)} callback Callback called with any
* error, existing metadata, and the JSDoc output (new metadata).
* @param {Array.<string>} paths Paths to source files.
* @param {function(Error, string)} callback Callback called with any error and
* the JSDoc output (new metadata). If provided with an empty list of paths
* the callback will be called with null.
*/
function spawnJSDoc(info, newerSources, callback) {
if (newerSources.length === 0) {
callback(null, info, JSON.stringify(createInfo()));
function spawnJSDoc(paths, callback) {
if (paths.length === 0) {
process.nextTick(function() {
callback(null, null);
});
return;
}
var output = '';
var errors = '';
var child = spawn(jsdoc, ['-c', jsdocConfig].concat(newerSources));
var child = spawn(jsdoc, ['-c', jsdocConfig].concat(paths));
child.stdout.on('data', function(data) {
output += String(data);
@@ -168,7 +95,14 @@ function spawnJSDoc(info, newerSources, callback) {
if (code) {
callback(new Error(errors || 'JSDoc failed with no output'));
} else {
callback(null, info, output);
var info;
try {
info = parseOutput(output);
} catch (err) {
callback(err);
return;
}
callback(null, info);
}
});
}
@@ -176,38 +110,28 @@ function spawnJSDoc(info, newerSources, callback) {
/**
* Parse the JSDoc output.
* @param {Object} info Existing metadata.
* @param {string} output JSDoc output
* @param {function(Error, Object, Object)} callback Called with any error,
* existing metadata, and new metadata.
* @return {Object} Symbol and define info.
*/
function parseOutput(info, output, callback) {
function parseOutput(output) {
if (!output) {
callback(new Error('Expected JSON output'));
return;
throw new Error('Expected JSON output');
}
var newInfo;
var info;
try {
newInfo = JSON.parse(String(output));
info = JSON.parse(String(output));
} catch (err) {
callback(new Error('Failed to parse output as JSON: ' + output));
return;
throw new Error('Failed to parse output as JSON: ' + output);
}
if (!Array.isArray(info.symbols)) {
throw new Error('Expected symbols array: ' + output);
}
if (!Array.isArray(info.defines)) {
throw new Error('Expected defines array: ' + output);
}
if (!Array.isArray(newInfo.symbols)) {
callback(new Error('Expected symbols array: ' + output));
return;
}
if (!Array.isArray(newInfo.defines)) {
callback(new Error('Expected defines array: ' + output));
return;
}
process.nextTick(function() {
callback(null, info, newInfo);
});
return info;
}
@@ -238,11 +162,16 @@ var getProvides = async.memoize(function(srcPath, callback) {
/**
* Add provides data to new symbols.
* @param {Object} info Existing symbols and defines metadata.
* @param {Object} newInfo New metadata.
* @param {Object} info Symbols and defines metadata.
* @param {function(Error, Object)} callback Updated metadata.
*/
function addSymbolProvides(info, newInfo, callback) {
function addSymbolProvides(info, callback) {
if (!info) {
process.nextTick(function() {
callback(null, null);
});
return;
}
function addProvides(symbol, callback) {
getProvides(symbol.path, function(err, provides) {
@@ -255,47 +184,42 @@ function addSymbolProvides(info, newInfo, callback) {
});
}
async.map(newInfo.symbols, addProvides, function(err, newSymbols) {
newInfo.symbols = newSymbols;
callback(err, info, newInfo);
async.map(info.symbols, addProvides, function(err, newSymbols) {
info.symbols = newSymbols;
callback(err, info);
});
}
/**
* Write symbol and define metadata to the info file.
* @param {Object} info Existing metadata.
* @param {Object} newInfo New meatadat.
* @param {Object} info Symbol and define metadata.
* @param {function(Error)} callback Callback.
*/
function writeInfo(info, newInfo, callback) {
info.symbols = info.symbols.concat(newInfo.symbols).sort(function(a, b) {
return a.name < b.name ? -1 : 1;
});
info.defines = info.defines.concat(newInfo.defines).sort(function(a, b) {
return a.name < b.name ? -1 : 1;
});
var str = JSON.stringify(info, null, ' ');
fse.outputFile(infoPath, str, callback);
function writeInfo(info, callback) {
if (info) {
var str = JSON.stringify(info, null, ' ');
fse.outputFile(infoPath, str, callback);
} else {
process.nextTick(function() {
callback(null);
});
}
}
/**
* Determine which source files have been changed, run JSDoc against those, and
* write out updated info.
* Determine if source files have been changed, run JSDoc and write updated
* info if there are any changes.
*
* @param {function(Error)} callback Called when the info file has been written
* (or an error occurs).
*/
function main(callback) {
async.waterfall([
readInfo,
getInfoTime,
getNewer,
spawnJSDoc,
parseOutput,
addSymbolProvides,
writeInfo
], callback);