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6536 lines (5533 loc) · 199 KB
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<!DOCTYPE html>
<html data-protected="all">
<head>
<title>Codestrates package repository</title>
<meta charset="UTF-8">
</head>
<body>
<div class="packages">
<div class="package" id="js-eval-engine">
<script id="descriptor-script" type="descriptor">
{
"description": "Javascript Evaluator Engine",
"dependencies": [
"#EventSystem"
],
"assets": [],
"license": "Apache 2.0",
"version": "1"
}
</script>
<script id="jsEvalEngine-script" type="disabled">
/**
* JsEvalEngine
* Evaluate js while keeping track of it
*
* Copyright 2020, 2021 Rolf Bagge, Janus B. Kristensen, CAVI,
* Center for Advanced Visualization and Interaction, Aarhus University
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
function codeStratesEvalInContext(code, context) {
with(context) {
eval(code);
}
}
window.JsEvalEngine = class JsEvalEngine {
static async execute(code, options, fragment = null) {
options = Object.assign({}, JsEvalEngine.defaultOptions(fragment), options);
let resolver = null;
let rejector = null;
let asyncPromise = new Promise((resolve, reject)=>{
resolver = resolve;
rejector = reject;
});
let clonedConsole = Object.assign({}, console, options.customConsole);
let context = {
exports: {},
asyncResolve: resolver,
asyncReject: rejector,
console: clonedConsole,
fragmentSelfReference: fragment,
error: (e)=>{
let parsedStack = JsEvalEngine.parseErrorStack(e.name, e.stack, e);
EventSystem.triggerEvent("Codestrates.Fragment.Error", {
messages: [parsedStack],
fragment: fragment
});
let compactStack = StackWalker.compactify(parsedStack.stack);
let lineNumber = compactStack[0].lineNumber;
JsEvalEngine.doLog(console.error, fragment, lineNumber, parsedStack.extraReason, compactStack);
}
};
if(options.context != null) {
context = Object.assign({}, context, options.context);
}
let asyncCode = code;
if(options.async) {
asyncCode = JsEvalEngine.wrapInAsync(code, fragment != null ? "CS_ASYNC_" + fragment.uuid.replace("-", "_") : null);
}
try {
codeStratesEvalInContext.call(null, asyncCode, context);
if(!options.async) {
context.asyncResolve();
}
} catch(e) {
context.error(e);
throw e;
}
await asyncPromise.catch((e)=>{context.error(e); throw e});
return context[options.exportsName];
}
static wrapInAsync(code, methodName) {
if(methodName == null) {
methodName = "anonymousAsyncEval";
}
//Make code async
return `(async function ${methodName}() { ${code} \n })().then(()=>{asyncResolve();}).catch((e)=>{asyncReject(e);});`;
}
static parseErrorStack(name, stack, error) {
let parsedStackTrace = [];
let extraReason = null;
if(stack == null) {
console.warn("parseErrorStack: empty stack!");
return new StackWalker.StackTrace(
error,
[],
null
);
}
if(window.chrome) {
let stackSplit = stack.split("\n");
if(!stackSplit[0].trim().startsWith("at")) {
extraReason = stackSplit[0];
}
stackSplit.filter((line)=>{
return line.trim().startsWith("at");
}).forEach((line)=>{
let trimmedLine = line.trim();
let functionName = trimmedLine.substring(3, trimmedLine.indexOf("(")).trim();
let lineNumberAndPosition = trimmedLine.substring(trimmedLine.indexOf("),")+2).trim().split(":");
let lineNumber = parseInt(lineNumberAndPosition[1]);
if(Number.isNaN(lineNumber)) {
lineNumber = null;
}
parsedStackTrace.push({
method: functionName,
lineNumber: lineNumber,
debug: trimmedLine
});
});
} else if (navigator.userAgent.toLowerCase().indexOf('firefox') > -1) {
let stackSplit = stack.split("\n");
stackSplit.forEach((line) => {
let trimmedLine = line.trim();
let functionName = trimmedLine.substring(0, trimmedLine.indexOf("@")).trim();
let lineNumberAndPosition = trimmedLine.substring(trimmedLine.lastIndexOf(">") + 2).trim().split(":");
let lineNumber = parseInt(lineNumberAndPosition[1]);
if (Number.isNaN(lineNumber)) {
lineNumber = null;
}
parsedStackTrace.push({
method: functionName,
lineNumber: lineNumber,
debug: trimmedLine
});
});
} else {
console.log("Unsupported browser for parsing stack trace: ", stack);
parsedStackTrace = stack;
}
return new StackWalker.StackTrace(
name,
parsedStackTrace,
extraReason
);
}
static defaultOptions(fragment = null) {
return {
context: null,
exportsName: "exports",
async: true,
customConsole: {
log: (...messages)=> {
JsEvalEngine.doLog(console.log, fragment, null, ...messages);
if(typeof EventSystem !== "undefined") {
EventSystem.triggerEvent("Codestrates.Fragment.Log", {
messages: messages,
fragment: fragment
});
}
},
warn: (...messages)=>{
JsEvalEngine.doLog(console.warn, fragment, null, ...messages);
if(typeof EventSystem !== "undefined") {
EventSystem.triggerEvent("Codestrates.Fragment.Warn", {
messages: messages,
fragment: fragment
});
}
},
error: (...messages)=>{
JsEvalEngine.doLog(console.error, fragment, null, ...messages);
if(typeof EventSystem !== "undefined") {
EventSystem.triggerEvent("Codestrates.Fragment.Error", {
messages: messages,
fragment: fragment
});
}
}
}
};
}
static doLog(logger, fragment, lineNumber, ...messages) {
if(fragment != null) {
let name = fragment.element.getAttribute("name");
let id = fragment.element.getAttribute("id");
logger("Fragment ["+(name!=null&&name.trim()!==""?name:fragment.type)+(id!=null&&id.trim()!==""?"#"+id:"")+(lineNumber!=null?":"+lineNumber:"")+"]", ...messages);
} else {
logger(...messages);
}
}
};
window.addEventListener("unhandledrejection", (evt)=>{
if(evt.reason != null) {
let parsedStack = JsEvalEngine.parseErrorStack(evt.reason.name, evt.reason.stack);
EventSystem.triggerEvent("Codestrates.Fragment.Error", {
messages: ["Uncaught rejection in promise: ", parsedStack]
});
} else {
console.warn("Did not include a reason property:", evt);
}
});
window.addEventListener("error", (evt)=>{
if(evt.error != null) {
let parsedStack = JsEvalEngine.parseErrorStack(evt.error.message, evt.error.stack);
EventSystem.triggerEvent("Codestrates.Fragment.Error", {
messages: ["Uncaught exception: ", parsedStack]
});
} else {
console.warn("Did not include an error property:", evt);
}
});
//Setup infinite stack depth
Error.stackTraceLimit = Infinity;
</script>
</div>
<div class="package" id="fragment_core">
<script id="descriptor-script" type="descriptor">
{
"description": "The base fragment core required by all fragments",
"dependencies": [
"wpm_js_libs #cQuery",
"wpm_js_libs #Observer",
"wpm_js_libs #fastdiff",
"wpm_js_libs #diffHTML",
"wpm_js_libs #UUIDGenerator"
],
"license": "Apache 2.0",
"assets": [],
"version": "1"
}
</script>
<style id="base-style">
code-fragment {
display: none;
}
</style>
<script id="fragment_core-script" type="disabled">
/**
* Fragment
* The base class for all code fragments in Codestrates
*
* Copyright 2020, 2021 Rolf Bagge, Janus B. Kristensen, CAVI,
* Center for Advanced Visualization and Interaction, Aarhus University
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
/* global cQuery, webstrate, HTMLElement, NodeList, UUIDGenerator, Observer, WPMv2, Text, DIFF_INSERT, DIFF_DELETE, wpm */
const dmp = new diff_match_patch();
let legacyWarningCounter = 0;
/**
* @namespace Fragments
*/
/**
* Codestrate Fragment representing a <code-fragment></code-fragment> tag in codestrates.
* @abstract
* @hideconstructor
* @memberof Fragments
*/
class Fragment {
get html(){
if (legacyWarningCounter<3){
try {
throw new Error("Legacy read access of private field Fragment.html");
} catch (ex){
console.info("Reading cQuery object from private field .html directly on Fragment will break in the future, use .element to get the DOMElement directly instead. Only the first 3 warnings are shown, printing a stack trace...",ex);
}
}
legacyWarningCounter++;
return cQuery(this.element);
}
set html(cQueryHTML){
try {
throw new Error("Legacy write access to private field Fragment.html");
} catch (ex){
console.warn("Writing a cQuery object to private field .html directly on Fragment will not be possible in the future, printing a stack trace...",ex);
}
this.element = cQueryHTML[0];
}
/**
* Create a new fragment using the given cQuery object as its base.
* @param {cQuery} cQueryHTMl - The cQuery object to use as base.
*/
constructor(cQueryHTMl) {
let self = this;
// Legacy cQuery html element
cQueryHTMl.data("Fragment", this); // Legacy
this.element = cQueryHTMl[0];
this.element.fragment = this;
this.textInsertedCallbacks = [];
this.textDeletedCallbacks = [];
this.fragmentChangedCallbacks = [];
this.fragmentUnloadedCallbacks = [];
this.fragmentClassChangedCallbacks = [];
this.fragmentAutoChangedCallbacks = [];
this.uuid = UUIDGenerator.generateUUID("fragment-");
//Setup autodom and make it able to wait until it is complete.
this.autoDomDirty = true;
this.autoDomReady = false;
this.setupAutoDomHandling();
this.element.setAttribute("transient-fragment-uuid", this.uuid);
this.setupObservers();
this.startObserver();
}
/**
* Get the node that holds the text content of this fragment
* @protected
* @ignore
* @returns {Text}
*/
getTextContentNode() {
let textContentNode = this.element;
this.checkTextContentNode(textContentNode);
return textContentNode;
}
/**
* Checks the given node for its feasibility of being the textContentNode
* @protected
* @ignore
* @param {Text} textContentNode - The text node to check
*/
checkTextContentNode(textContentNode) {
if(textContentNode.childNodes.length > 1) {
console.warn("More than 1 childnode...", textContentNode.childNodes);
}
}
/**
* Triggers all callback handlers for the given type insert/delete
* @private
* @param {number} pos - The position the event happened
* @param {string} val - The value of the event
* @param {insert|delete} type - The type of the event
*/
insertDeleteCallback(pos, val, type) {
switch (type) {
case "insert":
{
this.textInsertedCallbacks.forEach((callback) => {
callback(pos, val);
});
break;
}
case "delete":
{
this.textDeletedCallbacks.forEach((callback) => {
callback(pos, val);
});
break;
}
}
}
/**
* Handle the given mutations
* @private
* @param {Mutation[]} mutations - The mutations to handle
*/
mutationCallback(mutations) {
let self = this;
let characterDataTargets = [];
let sendUpdateCallback = false;
mutations.forEach((mutation) => {
if(mutation.type === "attributes") {
sendUpdateCallback = true;
}
if (mutation.type === "attributes" && mutation.attributeName === "auto" && mutation.target === self.element) {
//If auto attribute changed, trigger onAutoChanged
self.onAutoChanged(self.auto);
sendUpdateCallback = false;
} else if (mutation.type === "attributes" && mutation.attributeName === "class" && mutation.target === self.element) {
//If auto attribute changed, trigger onAutoChanged
self.onClassChanged(this.element.classList);
sendUpdateCallback = false;
} else if(mutation.type === "characterData") {
if(mutation.target.characterDataAlreadyHandled) {
return;
}
sendUpdateCallback = true;
characterDataTargets.push(mutation.target);
let newValue = mutation.target.nodeValue;
let oldValue = mutation.oldValue;
mutation.target.characterDataAlreadyHandled = true;
//If characterData mutation, generate insert/delete ops
let patches = dmp.patch_make(oldValue, newValue);
Array.from(patches).forEach((patch)=>{
let offset = patch.start1;
patch.diffs.forEach((diff) => {
let type = diff[0];
let value = diff[1];
switch(type) {
case DIFF_INSERT:
self.insertDeleteCallback(offset, value, "insert");
offset += value.length;
break;
case DIFF_DELETE:
self.insertDeleteCallback(offset, value, "delete");
break;
case DIFF_EQUAL:
offset += value.length;
break;
}
});
});
} else if(mutation.type === "childList") {
sendUpdateCallback = true;
}
});
characterDataTargets.forEach((target)=>{
target.characterDataAlreadyHandled = false;
});
//Only send
if(this.element.parentNode != null && sendUpdateCallback) {
//Dont do changed callbacks if we are not in the dom?
this.triggerFragmentChanged(this);
}
}
/**
* @private
* @param context
*/
triggerFragmentChanged(context) {
this.fragmentChangedCallbacks.slice().forEach((callback) => {
try {
callback(context);
} catch(e) {
console.group("Error: "+e);
console.log("Callback:", callback);
console.log("Context:", context);
console.groupCollapsed("Trace");
console.trace();
console.groupEnd();
console.groupEnd();
}
});
}
/**
* Sets up the mutation observer for this fragment
* @ignore
* @protected
*/
setupObservers() {
let self = this;
this.mutationHandler = (mutations) => {
self.mutationCallback(mutations);
};
this.observer = new MutationObserver(this.mutationHandler);
}
/**
* Starts this fragments mutation observer
* @ignore
* @protected
*/
startObserver() {
if(this.observer == null) {
return;
}
this.observer.observe(this.element, {
attributes: true,
childList: true,
subtree: true,
characterData: true,
characterDataOldValue: true
});
}
/**
* Stops this fragments mutation observer, handling any mutations that is queued before stopping.
* @ignore
* @protected
*/
stopObserver() {
if(this.observer == null) {
return;
}
let mutations = this.observer.takeRecords();
if (mutations.length > 0) {
this.mutationCallback(mutations);
}
this.observer.disconnect();
}
/**
* Run the given method without triggering the mutation observer on this fragment, then trigger fragment changed callbacks with the given context
* @ignore
* @protected
* @param {Function} method - Method to call. Important: cannot be async or return a promise, the observer will be restarted as soon as this method returns.
* @param {Object} context - Context to pass along to the callbacks
*/
executeObserverless(method, context, skipChangeCheck=false) {
this.stopObserver();
let before = null;
if(!skipChangeCheck) {
before = this.raw;
}
//Run our method, potentially adding mutations
method();
this.startObserver();
if(skipChangeCheck || before !== this.raw) {
this.triggerFragmentChanged(context);
}
}
/**
* The raw representation of this fragment, can be used to set/get the raw value.
*
* @example
* //Get the raw value of a fragment
* let fragmentValue = myFragment.raw;
*
* @example
* //Set the raw value of a fragment
* myFragment.raw = myNewFragmentValue;
*
* @type {string}
*/
get raw() {
if(this.getTextContentNode().firstChild instanceof Text) {
return this.getTextContentNode().firstChild.nodeValue;
} else {
return this.getTextContentNode().textContent;
}
}
set raw(content) {
if(this.getTextContentNode().firstChild instanceof Text) {
this.getTextContentNode().firstChild.nodeValue = content;
} else {
this.getTextContentNode().textContent = content;
}
}
/**
* The auto attribute of this fragment, toggles automatic behaviour on/off
* @type {boolean}
*/
get auto() {
return this.element.hasAttribute("auto");
}
set auto(auto) {
if (auto) {
this.element.setAttribute("auto", "");
} else {
this.element.removeAttribute("auto");
}
}
/**
* @callback Fragments.Fragment~fragmentChangedCallback
* @param {Fragment|Object} context - The context that called the callback
*/
/**
* Register a callback to be run when this fragments content changes.
*
* @example
* Fragment.one("#myFragment").registerOnFragmentChangedHandler((context)=>{
* //Fragment has changed
* });
*
* @param {Fragments.Fragment~fragmentChangedCallback} callback - The callback that is run when fragment content changes
*/
registerOnFragmentChangedHandler(callback) {
let self = this;
this.fragmentChangedCallbacks.push(callback);
return {
delete: ()=>{
self.unRegisterOnFragmentChangedHandler(callback);
}
}
}
/**
* Unregister a callback handler
* @param {Fragments.Fragment~fragmentChangedCallback} callback - The callback to unregister
*/
unRegisterOnFragmentChangedHandler(callback) {
this.fragmentChangedCallbacks.splice(this.fragmentChangedCallbacks.indexOf(callback), 1);
}
/**
* @callback Fragments.Fragment~fragmentUnloadedCallback
* @param {Fragments.Fragment} fragment - The fragment that called the callback
*/
/**
* Register a callback to run when this fragment is unloaded
*
* @example
* Fragment.one("#myFragment").registerOnFragmentUnloadedHandler(()=>{
* //Fragment is unloaded
* });
*
* @param {Fragments.Fragment~fragmentUnloadedCallback} callback - The callback to run when the fragment is unloaded
*/
registerOnFragmentUnloadedHandler(callback) {
let self = this;
this.fragmentUnloadedCallbacks.push(callback);
return {
delete: ()=>{
self.unRegisterOnFragmentUnloadedHandler(callback);
}
}
}
/**
* Unregister a callback handler
* @param {Fragments.Fragment~fragmentUnloadedCallback} callback - The callback to unregister
*/
unRegisterOnFragmentUnloadedHandler(callback) {
this.fragmentUnloadedCallbacks.splice(this.fragmentUnloadedCallbacks.indexOf(callback), 1);
}
/**
* @callback Fragments.Fragment~autoChangedCallback
* @param {Fragments.Fragment} fragment - The fragment
* @param {boolean} auto - The new value of auto
*/
/**
* Register a callback to run when auto attribute changes on fragment
*
* @example
* Fragment.one("#myFragment").registerOnAutoChangedHandler((fragment, auto)=>{
* //Fragment auto attribute changed
* });
*
* @param {Fragments.Fragment~autoChangedCallback} callback - The callback to run when auto changes
*/
registerOnAutoChangedHandler(callback) {
let self = this;
this.fragmentAutoChangedCallbacks.push(callback);
return {
delete: ()=>{
self.unRegisterOnAutoChangedHandler(callback);
}
}
}
/**
* Unregister a callback handler
* @param {Fragments.Fragment~autoChangedCallback} callback - The callback to unregister
*/
unRegisterOnAutoChangedHandler(callback) {
this.fragmentAutoChangedCallbacks.splice(this.fragmentAutoChangedCallbacks.indexOf(callback), 1);
}
/**
* @callback Fragments.Fragment~textInsertedCallback
* @param {number} position - The position where the text was inserted
* @param {string} value - The value of inserted text
*/
/**
* Register a callback to run when text is inserted into this fragment
*
* @example
* Fragment.one("#myFragment").registerOnTextInsertedHandler((position, value)=>{
* //Text "value" has been inserted into this fragment at "position"
* });
*
* @param {Fragments.Fragment~textInsertedCallback} callback - The callback to run when text is inserted
*/
registerOnTextInsertedHandler(callback) {
let self = this;
this.textInsertedCallbacks.push(callback);
return {
delete: ()=>{
self.textInsertedCallbacks.splice(self.textInsertedCallbacks.indexOf(callback), 1);
}
}
}
/**
* @callback Fragments.Fragment~textDeletedCallback
* @param {number} position - The position where the text was deleted
* @param {string} value - The value of deleted text
*/
/**
* Register a callback to run when text is deleted from this fragment
*
* @example
* Fragment.one("#myFragment").registerOnTextDeletedHandler((position, value)=>{
* //Text "value" has been deleted from this fragment at "position"
* });
*
* @param {Fragments.Fragment~textDeletedCallback} callback - The callback to run when text is deleted
*/
registerOnTextDeletedHandler(callback) {
let self = this;
this.textDeletedCallbacks.push(callback);
return {
delete: ()=>{
self.textDeletedCallbacks.splice(self.textDeletedCallbacks.indexOf(callback), 1);
}
}
}
/**
* @callback Fragments.Fragment~fragmentClassChangedCallback
* @param {string[]} classes - The classes that changed
*/
/**
* Register a callback to run when the classes of this fragment changes
*
* @example
* Fragment.one("#myFragment").registerOnClassChangedHandler((classes)=>{
* //Some classes changed on this fragment
* });
*
* @param {Fragments.Fragment~fragmentClassChangedCallback} callback - The callback to run when classes change on the fragment
*/
registerOnClassChangedHandler(callback) {
let self = this;
this.fragmentClassChangedCallbacks.push(callback);
return {
delete: ()=>{
self.fragmentClassChangedCallbacks.splice(self.fragmentClassChangedCallbacks.indexOf(callback), 1);
}
}
}
/**
* Handles when classes change on the fragment
* @private
* @param classes
*/
onClassChanged(classes) {
this.fragmentClassChangedCallbacks.slice().forEach((cb)=>{
cb(classes);
});
}
/**
* The type of this fragment
* @type {string}
* @readonly
*/
get type() {
return this.element.getAttribute("data-type");
}
/**
* Require this fragment and return the result. What require does depends on what type of fragment it is.
* @example
* let result = await Fragment.one("#myFragment").require()
*
* @abstract
* @param {json} [options] - The options to pass to require
* @returns {*} result of the require action
*/
async require(options = {}) {
//Ovewritten in subclass
}
/**
* Tell this fragment to unload itself
* @example
* Fragment.one("#myFragment").unload();
*/
unload() {
let self = this;
this.fragmentUnloadedCallbacks.slice().forEach((callback)=>{
callback(self);
});
if(this.supportsAutoDom()) {
this.clearAutoDom();
}
this.stopObserver();
}
/**
* Called when all fragments are loaded
* @private
*/
async onFragmentsLoaded() {
if (this.auto && !Fragment.disableAutorun) {
await this.insertAutoDom();
}
}
/**
* @private
* @returns {boolean} - True/False depending on if this fragments supports automatic behaviour
*/
supportsAuto() {
return this.supportsAutoDom();
}
/**
* @private
* @returns {boolean} True/False depending on if this fragment supports automatic dom insertion
*/
supportsAutoDom() {
//Override in subclass
return false;
}
/**
* Setup handling of automatic dom insertion
* @private
* @returns {Promise<void>}
*/
setupAutoDomHandling() {
if(!this.supportsAutoDom()) {
return;
}
let self = this;
this.registerOnFragmentChangedHandler((context) => {
self.autoDomDirty = true;
if (self.auto && !Fragment.disableAutorun) {
self.insertAutoDom();
}
});
}
/**
* Called when auto attribute is changed on this fragment
* @private
* @param {boolean} auto - The new state of auto
*/
onAutoChanged(auto) {
this.fragmentAutoChangedCallbacks.forEach((cb)=>{
cb(this, auto);
});
if(!this.supportsAutoDom()) {
return;
}
if (auto && !Fragment.disableAutorun) {
this.insertAutoDom();
} else {
this.clearAutoDom();
}
}
/**
* Create an instance of the automatic dom
* @private
* @returns {Promise<*>}
*/
async createAutoDom() {
if(!this.supportsAutoDom()) {
return;
}
try {
return await this.require();
} catch(e) {
return null;
}
}
/**
* Ask this fragment to insert its automatic dom (regardless of Fragment.disableAutorun)
* @ignore
* @returns {Promise<void>} - Promise that resolves when the automatic dom is inserted into the document
*/
insertAutoDom() {
let self = this;
if(!this.supportsAutoDom()) {
return;
}
if(!this.autoDomDirty) {
console.debug("Not inserting autoDom, as it is already present and not flagged dirty:", this.uuid);
return new Promise(async (resolve)=>{
while(!self.autoDomReady) {
await new Promise((timeoutPromiseResolve)=>{