214 lines
8.1 KiB
JavaScript
214 lines
8.1 KiB
JavaScript
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//>>built
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define("dojo/text", ["./_base/kernel", "require", "./has", "./_base/xhr"], function(dojo, require, has, xhr){
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// module:
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// dojo/text
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// summary:
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// This module implements the !dojo/text plugin and the dojo.cache API.
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// description:
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// We choose to include our own plugin to leverage functionality already contained in dojo
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// and thereby reduce the size of the plugin compared to various foreign loader implementations.
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// Also, this allows foreign AMD loaders to be used without their plugins.
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//
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// CAUTION: this module is designed to optionally function synchronously to support the dojo v1.x synchronous
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// loader. This feature is outside the scope of the CommonJS plugins specification.
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var getText;
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if(1){
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getText= function(url, sync, load){
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xhr("GET", {url:url, sync:!!sync, load:load});
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};
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}else{
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// TODOC: only works for dojo AMD loader
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if(require.getText){
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getText= require.getText;
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}else{
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console.error("dojo/text plugin failed to load because loader does not support getText");
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}
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}
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var
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theCache= {},
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strip= function(text){
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//Strips <?xml ...?> declarations so that external SVG and XML
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//documents can be added to a document without worry. Also, if the string
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//is an HTML document, only the part inside the body tag is returned.
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if(text){
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text= text.replace(/^\s*<\?xml(\s)+version=[\'\"](\d)*.(\d)*[\'\"](\s)*\?>/im, "");
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var matches= text.match(/<body[^>]*>\s*([\s\S]+)\s*<\/body>/im);
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if(matches){
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text= matches[1];
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}
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}else{
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text = "";
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}
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return text;
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},
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notFound = {},
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pending = {},
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result= {
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dynamic:
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// the dojo/text caches it's own resources because of dojo.cache
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true,
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normalize:function(id, toAbsMid){
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// id is something like (path may be relative):
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//
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// "path/to/text.html"
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// "path/to/text.html!strip"
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var parts= id.split("!"),
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url= parts[0];
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return (/^\./.test(url) ? toAbsMid(url) : url) + (parts[1] ? "!" + parts[1] : "");
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},
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load:function(id, require, load){
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// id is something like (path is always absolute):
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//
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// "path/to/text.html"
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// "path/to/text.html!strip"
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var
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parts= id.split("!"),
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stripFlag= parts.length>1,
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absMid= parts[0],
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url = require.toUrl(parts[0]),
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text = notFound,
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finish = function(text){
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load(stripFlag ? strip(text) : text);
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};
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if(absMid in theCache){
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text = theCache[absMid];
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}else if(url in require.cache){
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text = require.cache[url];
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}else if(url in theCache){
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text = theCache[url];
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}
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if(text===notFound){
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if(pending[url]){
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pending[url].push(finish);
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}else{
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var pendingList = pending[url] = [finish];
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getText(url, !require.async, function(text){
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theCache[absMid]= theCache[url]= text;
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for(var i = 0; i<pendingList.length;){
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pendingList[i++](text);
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}
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delete pending[url];
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});
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}
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}else{
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finish(text);
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}
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}
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};
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dojo.cache= function(/*String||Object*/module, /*String*/url, /*String||Object?*/value){
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// * (string string [value]) => (module, url, value)
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// * (object [value]) => (module, value), url defaults to ""
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//
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// * if module is an object, then it must be convertable to a string
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// * (module, url) module + (url ? ("/" + url) : "") must be a legal argument to require.toUrl
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// * value may be a string or an object; if an object then may have the properties "value" and/or "sanitize"
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var key;
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if(typeof module=="string"){
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if(/\//.test(module)){
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// module is a version 1.7+ resolved path
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key = module;
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value = url;
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}else{
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// module is a version 1.6- argument to dojo.moduleUrl
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key = require.toUrl(module.replace(/\./g, "/") + (url ? ("/" + url) : ""));
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}
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}else{
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key = module + "";
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value = url;
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}
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var
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val = (value != undefined && typeof value != "string") ? value.value : value,
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sanitize = value && value.sanitize;
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if(typeof val == "string"){
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//We have a string, set cache value
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theCache[key] = val;
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return sanitize ? strip(val) : val;
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}else if(val === null){
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//Remove cached value
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delete theCache[key];
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return null;
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}else{
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//Allow cache values to be empty strings. If key property does
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//not exist, fetch it.
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if(!(key in theCache)){
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getText(key, true, function(text){
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theCache[key]= text;
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});
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}
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return sanitize ? strip(theCache[key]) : theCache[key];
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}
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};
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return result;
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/*=====
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dojo.cache = function(module, url, value){
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// summary:
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// A getter and setter for storing the string content associated with the
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// module and url arguments.
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// description:
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// If module is a string that contains slashes, then it is interpretted as a fully
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// resolved path (typically a result returned by require.toUrl), and url should not be
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// provided. This is the preferred signature. If module is a string that does not
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// contain slashes, then url must also be provided and module and url are used to
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// call `dojo.moduleUrl()` to generate a module URL. This signature is deprecated.
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// If value is specified, the cache value for the moduleUrl will be set to
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// that value. Otherwise, dojo.cache will fetch the moduleUrl and store it
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// in its internal cache and return that cached value for the URL. To clear
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// a cache value pass null for value. Since XMLHttpRequest (XHR) is used to fetch the
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// the URL contents, only modules on the same domain of the page can use this capability.
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// The build system can inline the cache values though, to allow for xdomain hosting.
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// module: String||Object
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// If a String with slashes, a fully resolved path; if a String without slashes, the
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// module name to use for the base part of the URL, similar to module argument
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// to `dojo.moduleUrl`. If an Object, something that has a .toString() method that
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// generates a valid path for the cache item. For example, a dojo._Url object.
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// url: String
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// The rest of the path to append to the path derived from the module argument. If
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// module is an object, then this second argument should be the "value" argument instead.
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// value: String||Object?
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// If a String, the value to use in the cache for the module/url combination.
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// If an Object, it can have two properties: value and sanitize. The value property
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// should be the value to use in the cache, and sanitize can be set to true or false,
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// to indicate if XML declarations should be removed from the value and if the HTML
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// inside a body tag in the value should be extracted as the real value. The value argument
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// or the value property on the value argument are usually only used by the build system
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// as it inlines cache content.
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// example:
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// To ask dojo.cache to fetch content and store it in the cache (the dojo["cache"] style
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// of call is used to avoid an issue with the build system erroneously trying to intern
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// this example. To get the build system to intern your dojo.cache calls, use the
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// "dojo.cache" style of call):
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// | //If template.html contains "<h1>Hello</h1>" that will be
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// | //the value for the text variable.
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// | var text = dojo["cache"]("my.module", "template.html");
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// example:
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// To ask dojo.cache to fetch content and store it in the cache, and sanitize the input
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// (the dojo["cache"] style of call is used to avoid an issue with the build system
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// erroneously trying to intern this example. To get the build system to intern your
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// dojo.cache calls, use the "dojo.cache" style of call):
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// | //If template.html contains "<html><body><h1>Hello</h1></body></html>", the
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// | //text variable will contain just "<h1>Hello</h1>".
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// | var text = dojo["cache"]("my.module", "template.html", {sanitize: true});
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// example:
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// Same example as previous, but demostrates how an object can be passed in as
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// the first argument, then the value argument can then be the second argument.
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// | //If template.html contains "<html><body><h1>Hello</h1></body></html>", the
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// | //text variable will contain just "<h1>Hello</h1>".
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// | var text = dojo["cache"](new dojo._Url("my/module/template.html"), {sanitize: true});
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return val; //String
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};
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=====*/
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});
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