forked from jeresig/env-js
/
html.js
114 lines (103 loc) · 3 KB
/
html.js
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/**
* describes which script src values will trigger Envjs to load
* the script like a browser would
*/
Envjs.scriptTypes = {
"text/javascript" :false,
"text/envjs" :true
};
/**
* will be called when loading a script throws an error
* @param {Object} script
* @param {Object} e
*/
Envjs.onScriptLoadError = function(script, e){};
/**
* load and execute script tag text content
* @param {Object} script
*/
Envjs.loadInlineScript = function(script){
var tmpFile;
try{
if(Envjs.DEBUG_ENABLED){
//
Envjs.writeToTempFile(script.text, 'js') ;
Envjs.load(tmpFile);
}else{
eval(script.text);
}
}catch(e){
Envjs.onScriptLoadError(script, e);
}
};
/**
* Executes a script tag
* @param {Object} script
* @param {Object} parser
*/
Envjs.loadLocalScript = function(script){
console.debug("loading script %s", script);
var types,
src,
i,
base,
filename,
// SMP: see also the note in html/document.js about script.type
script_type = script.type === null ?
"text/javascript" : script.type;
if(script_type){
types = script_type?script_type.split(";"):[];
for(i=0;i<types.length;i++){
if(Envjs.scriptTypes[types[i]]){
//ok this script type is allowed
break;
}
if(i+1 == types.length)
return false;
}
}else{
try{
//handle inline scripts
if(!script.src)
Envjs.loadInlineScript(script);
return true
}catch(e){
//Envjs.error("Error loading script.", e);
Envjs.onScriptLoadError(script, e);
return false;
}
}
if(script.src){
//$env.info("loading allowed external script :" + script.src);
//lets you register a function to execute
//before the script is loaded
if(Envjs.beforeScriptLoad){
for(src in Envjs.beforeScriptLoad){
if(script.src.match(src)){
Envjs.beforeScriptLoad[src](script);
}
}
}
base = "" + script.ownerDocument.location;
//filename = Envjs.location(script.src.match(/([^\?#]*)/)[1], base );
filename = Envjs.location(script.src, base );
try {
load(filename);
console.log('loaded %s', filename);
} catch(e) {
console.log("could not load script %s \n %s", filename, e );
Envjs.onScriptLoadError(script, e);
return false;
}
//lets you register a function to execute
//after the script is loaded
if(Envjs.afterScriptLoad){
for(src in Envjs.afterScriptLoad){
if(script.src.match(src)){
Envjs.afterScriptLoad[src](script);
}
}
}
}
return true;
};