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Handle node-load errors properly 

Fixes #403
Certain load errors were causing start-up to fail. In particular,
an npm module with a missing .js file.
This commit is contained in:
Nick O'Leary 2014-09-20 22:25:00 +01:00
parent e2be5c6383
commit ea89aff3db
1 changed files with 38 additions and 23 deletions
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61
red/nodes/registry.js
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@ -311,6 +311,8 @@ function getNodeFiles(dir) {
}
}
}
valid = valid && fs.existsSync(path.join(dir,fn.replace(/\.js$/,".html")))
if (valid) {
result.push(path.join(dir,fn));
}
@ -383,7 +385,10 @@ function loadNodesFromModule(moduleDir,pkg) {
for (var n in nodes) {
if (nodes.hasOwnProperty(n)) {
var file = path.join(moduleDir,nodes[n]);
results.push(loadNodeConfig(file,pkg.name,n));
try {
results.push(loadNodeConfig(file,pkg.name,n));
} catch(err) {
}
var iconDir = path.join(moduleDir,path.dirname(nodes[n]),"icons");
if (iconDirs.indexOf(iconDir) == -1) {
if (fs.existsSync(iconDir)) {
@ -440,27 +445,35 @@ function loadNodeConfig(file,module,name) {
} else {
node.name = path.basename(file)
}
var content = fs.readFileSync(node.template,'utf8');
var types = [];
var regExp = /<script ([^>]*)data-template-name=['"]([^'"]*)['"]/gi;
var match = null;
while((match = regExp.exec(content)) !== null) {
types.push(match[2]);
}
node.types = types;
node.config = content;
// TODO: parse out the javascript portion of the template
node.script = "";
for (var i=0;i<node.types.length;i++) {
if (registry.getTypeId(node.types[i])) {
node.err = node.types[i]+" already registered";
break;
try {
var content = fs.readFileSync(node.template,'utf8');
var types = [];
var regExp = /<script ([^>]*)data-template-name=['"]([^'"]*)['"]/gi;
var match = null;
while((match = regExp.exec(content)) !== null) {
types.push(match[2]);
}
node.types = types;
node.config = content;
// TODO: parse out the javascript portion of the template
node.script = "";
for (var i=0;i<node.types.length;i++) {
if (registry.getTypeId(node.types[i])) {
node.err = node.types[i]+" already registered";
break;
}
}
} catch(err) {
node.types = [];
if (err.code === 'ENOENT') {
node.err = "Error: "+file+" does not exist";
} else {
node.err = err.toString();
}
}
registry.addNodeSet(id,node);
@ -514,7 +527,9 @@ function load(defaultNodesDir,disableNodePathScan) {
}
var promises = [];
nodes.forEach(function(node) {
promises.push(loadNodeModule(node));
if (!node.err) {
promises.push(loadNodeModule(node));
}
});
//resolve([]);