mirror of
https://github.com/jspsych/jsPsych.git
synced 2025-05-10 19:20:55 +00:00
Began backend serving testing new metadata format with fetching, initial setup completed prior to adjusting parsing, refactored code into helper functions
This commit is contained in:
vzhang03
parent
2049ce4685
commit
0ba7a6fa21
718
backend/package-lock.json
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718
backend/package-lock.json
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"node_modules/toidentifier": {
|
||||
"version": "1.0.1",
|
||||
"resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
|
||||
"integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
|
||||
"engines": {
|
||||
"node": ">=0.6"
|
||||
}
|
||||
},
|
||||
"node_modules/type-is": {
|
||||
"version": "1.6.18",
|
||||
"resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
|
||||
"integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
|
||||
"dependencies": {
|
||||
"media-typer": "0.3.0",
|
||||
"mime-types": "~2.1.24"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">= 0.6"
|
||||
}
|
||||
},
|
||||
"node_modules/unpipe": {
|
||||
"version": "1.0.0",
|
||||
"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
|
||||
"integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
|
||||
"engines": {
|
||||
"node": ">= 0.8"
|
||||
}
|
||||
},
|
||||
"node_modules/utils-merge": {
|
||||
"version": "1.0.1",
|
||||
"resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
|
||||
"integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==",
|
||||
"engines": {
|
||||
"node": ">= 0.4.0"
|
||||
}
|
||||
},
|
||||
"node_modules/vary": {
|
||||
"version": "1.1.2",
|
||||
"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
|
||||
"integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
|
||||
"engines": {
|
||||
"node": ">= 0.8"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
16
backend/package.json
Normal file
16
backend/package.json
Normal file
@ -0,0 +1,16 @@
|
||||
{
|
||||
"name": "backend",
|
||||
"version": "1.0.0",
|
||||
"main": "index.js",
|
||||
"scripts": {
|
||||
"test": "echo \"Error: no test specified\" && exit 1"
|
||||
},
|
||||
"keywords": [],
|
||||
"author": "",
|
||||
"license": "ISC",
|
||||
"description": "",
|
||||
"dependencies": {
|
||||
"cors": "^2.8.5",
|
||||
"express": "^4.19.2"
|
||||
}
|
||||
}
|
||||
232
backend/plugins/html-keyboard-response/index.ts
Normal file
232
backend/plugins/html-keyboard-response/index.ts
Normal file
@ -0,0 +1,232 @@
|
||||
import { JsPsych, JsPsychPlugin, ParameterType, TrialType } from "jspsych";
|
||||
|
||||
import { version } from "../../package.json";
|
||||
|
||||
const info = <const>{
|
||||
name: "html-keyboard-response",
|
||||
version: version,
|
||||
parameters: {
|
||||
/**
|
||||
* The string to be displayed.
|
||||
*/
|
||||
stimulus: {
|
||||
type: ParameterType.HTML_STRING,
|
||||
default: undefined,
|
||||
},
|
||||
/**
|
||||
* This array contains the key(s) that the participant is allowed to press in order to respond
|
||||
* to the stimulus. Keys should be specified as characters (e.g., `'a'`, `'q'`, `' '`, `'Enter'`, `'ArrowDown'`) - see
|
||||
* {@link https://developer.mozilla.org/en-US/docs/Web/API/UI_Events/Keyboard_event_key_values this page}
|
||||
* and
|
||||
* {@link https://www.freecodecamp.org/news/javascript-keycode-list-keypress-event-key-codes/ this page (event.key column)}
|
||||
* for more examples. Any key presses that are not listed in the
|
||||
* array will be ignored. The default value of `"ALL_KEYS"` means that all keys will be accepted as valid responses.
|
||||
* Specifying `"NO_KEYS"` will mean that no responses are allowed.
|
||||
*/
|
||||
choices: {
|
||||
type: ParameterType.KEYS,
|
||||
default: "ALL_KEYS",
|
||||
},
|
||||
/**
|
||||
* This string can contain HTML markup. Any content here will be displayed below the stimulus.
|
||||
* The intention is that it can be used to provide a reminder about the action the participant
|
||||
* is supposed to take (e.g., which key to press).
|
||||
*/
|
||||
prompt: {
|
||||
type: ParameterType.HTML_STRING,
|
||||
default: null,
|
||||
},
|
||||
/**
|
||||
* How long to display the stimulus in milliseconds. The visibility CSS property of the stimulus
|
||||
* will be set to `hidden` after this time has elapsed. If this is null, then the stimulus will
|
||||
* remain visible until the trial ends.
|
||||
*/
|
||||
stimulus_duration: {
|
||||
type: ParameterType.INT,
|
||||
default: null,
|
||||
},
|
||||
/**
|
||||
* How long to wait for the participant to make a response before ending the trial in milliseconds.
|
||||
* If the participant fails to make a response before this timer is reached, the participant's response
|
||||
* will be recorded as null for the trial and the trial will end. If the value of this parameter is null,
|
||||
* then the trial will wait for a response indefinitely.
|
||||
*/
|
||||
trial_duration: {
|
||||
type: ParameterType.INT,
|
||||
default: null,
|
||||
},
|
||||
/**
|
||||
* If true, then the trial will end whenever the participant makes a response (assuming they make their
|
||||
* response before the cutoff specified by the trial_duration parameter). If false, then the trial will
|
||||
* continue until the value for trial_duration is reached. You can set this parameter to false to force
|
||||
* the participant to view a stimulus for a fixed amount of time, even if they respond before the time is complete.
|
||||
*/
|
||||
response_ends_trial: {
|
||||
type: ParameterType.BOOL,
|
||||
default: true,
|
||||
},
|
||||
},
|
||||
data: {
|
||||
/** Indicates which key the participant pressed. */
|
||||
response: {
|
||||
type: ParameterType.STRING,
|
||||
},
|
||||
/** The response time in milliseconds for the participant to make a response. The time is measured from when the stimulus first appears on the screen until the participant's response. */
|
||||
rt: {
|
||||
type: ParameterType.INT,
|
||||
},
|
||||
/** The HTML content that was displayed on the screen. */
|
||||
stimulus: {
|
||||
type: ParameterType.STRING,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
type Info = typeof info;
|
||||
|
||||
/**
|
||||
* This plugin displays HTML content and records responses generated with the keyboard.
|
||||
* The stimulus can be displayed until a response is given, or for a pre-determined amount of time.
|
||||
* The trial can be ended automatically if the participant has failed to respond within a fixed length of time.
|
||||
*
|
||||
* @author Josh de Leeuw
|
||||
* @see {@link https://www.jspsych.org/latest/plugins/html-keyboard-response/ html-keyboard-response plugin documentation on jspsych.org}
|
||||
*/
|
||||
class HtmlKeyboardResponsePlugin implements JsPsychPlugin<Info> {
|
||||
static info = info;
|
||||
constructor(private jsPsych: JsPsych) {}
|
||||
|
||||
trial(display_element: HTMLElement, trial: TrialType<Info>) {
|
||||
var new_html = '<div id="jspsych-html-keyboard-response-stimulus">' + trial.stimulus + "</div>";
|
||||
|
||||
// add prompt
|
||||
if (trial.prompt !== null) {
|
||||
new_html += trial.prompt;
|
||||
}
|
||||
|
||||
// draw
|
||||
display_element.innerHTML = new_html;
|
||||
|
||||
// store response
|
||||
var response = {
|
||||
rt: null,
|
||||
key: null,
|
||||
};
|
||||
|
||||
// function to end trial when it is time
|
||||
const end_trial = () => {
|
||||
// kill any remaining setTimeout handlers
|
||||
this.jsPsych.pluginAPI.clearAllTimeouts();
|
||||
|
||||
// kill keyboard listeners
|
||||
if (typeof keyboardListener !== "undefined") {
|
||||
this.jsPsych.pluginAPI.cancelKeyboardResponse(keyboardListener);
|
||||
}
|
||||
|
||||
// gather the data to store for the trial
|
||||
var trial_data = {
|
||||
rt: response.rt,
|
||||
stimulus: trial.stimulus,
|
||||
response: response.key,
|
||||
};
|
||||
|
||||
// clear the display
|
||||
display_element.innerHTML = "";
|
||||
|
||||
// move on to the next trial
|
||||
this.jsPsych.finishTrial(trial_data);
|
||||
};
|
||||
|
||||
// function to handle responses by the subject
|
||||
var after_response = (info) => {
|
||||
// after a valid response, the stimulus will have the CSS class 'responded'
|
||||
// which can be used to provide visual feedback that a response was recorded
|
||||
display_element.querySelector("#jspsych-html-keyboard-response-stimulus").className +=
|
||||
" responded";
|
||||
|
||||
// only record the first response
|
||||
if (response.key == null) {
|
||||
response = info;
|
||||
}
|
||||
|
||||
if (trial.response_ends_trial) {
|
||||
end_trial();
|
||||
}
|
||||
};
|
||||
|
||||
// start the response listener
|
||||
if (trial.choices != "NO_KEYS") {
|
||||
var keyboardListener = this.jsPsych.pluginAPI.getKeyboardResponse({
|
||||
callback_function: after_response,
|
||||
valid_responses: trial.choices,
|
||||
rt_method: "performance",
|
||||
persist: false,
|
||||
allow_held_key: false,
|
||||
});
|
||||
}
|
||||
|
||||
// hide stimulus if stimulus_duration is set
|
||||
if (trial.stimulus_duration !== null) {
|
||||
this.jsPsych.pluginAPI.setTimeout(() => {
|
||||
display_element.querySelector<HTMLElement>(
|
||||
"#jspsych-html-keyboard-response-stimulus"
|
||||
).style.visibility = "hidden";
|
||||
}, trial.stimulus_duration);
|
||||
}
|
||||
|
||||
// end trial if trial_duration is set
|
||||
if (trial.trial_duration !== null) {
|
||||
this.jsPsych.pluginAPI.setTimeout(end_trial, trial.trial_duration);
|
||||
}
|
||||
}
|
||||
|
||||
simulate(
|
||||
trial: TrialType<Info>,
|
||||
simulation_mode,
|
||||
simulation_options: any,
|
||||
load_callback: () => void
|
||||
) {
|
||||
if (simulation_mode == "data-only") {
|
||||
load_callback();
|
||||
this.simulate_data_only(trial, simulation_options);
|
||||
}
|
||||
if (simulation_mode == "visual") {
|
||||
this.simulate_visual(trial, simulation_options, load_callback);
|
||||
}
|
||||
}
|
||||
|
||||
private create_simulation_data(trial: TrialType<Info>, simulation_options) {
|
||||
const default_data = {
|
||||
stimulus: trial.stimulus,
|
||||
rt: this.jsPsych.randomization.sampleExGaussian(500, 50, 1 / 150, true),
|
||||
response: this.jsPsych.pluginAPI.getValidKey(trial.choices),
|
||||
};
|
||||
|
||||
const data = this.jsPsych.pluginAPI.mergeSimulationData(default_data, simulation_options);
|
||||
|
||||
this.jsPsych.pluginAPI.ensureSimulationDataConsistency(trial, data);
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
private simulate_data_only(trial: TrialType<Info>, simulation_options) {
|
||||
const data = this.create_simulation_data(trial, simulation_options);
|
||||
|
||||
this.jsPsych.finishTrial(data);
|
||||
}
|
||||
|
||||
private simulate_visual(trial: TrialType<Info>, simulation_options, load_callback: () => void) {
|
||||
const data = this.create_simulation_data(trial, simulation_options);
|
||||
|
||||
const display_element = this.jsPsych.getDisplayElement();
|
||||
|
||||
this.trial(display_element, trial);
|
||||
load_callback();
|
||||
|
||||
if (data.rt !== null) {
|
||||
this.jsPsych.pluginAPI.pressKey(data.response, data.rt);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
export default HtmlKeyboardResponsePlugin;
|
||||
338
backend/plugins/image-keyboard-response/index.ts
Normal file
338
backend/plugins/image-keyboard-response/index.ts
Normal file
@ -0,0 +1,338 @@
|
||||
import { JsPsych, JsPsychPlugin, ParameterType, TrialType } from "jspsych";
|
||||
|
||||
import { version } from "../../package.json";
|
||||
|
||||
const info = <const>{
|
||||
name: "image-keyboard-response",
|
||||
version: version,
|
||||
parameters: {
|
||||
/** The path of the image file to be displayed. */
|
||||
stimulus: {
|
||||
type: ParameterType.IMAGE,
|
||||
default: undefined,
|
||||
},
|
||||
/** Set the height of the image in pixels. If left null (no value specified), then the image will display at its natural height. */
|
||||
stimulus_height: {
|
||||
type: ParameterType.INT,
|
||||
default: null,
|
||||
},
|
||||
/** Set the width of the image in pixels. If left null (no value specified), then the image will display at its natural width. */
|
||||
stimulus_width: {
|
||||
type: ParameterType.INT,
|
||||
default: null,
|
||||
},
|
||||
/** If setting *only* the width or *only* the height and this parameter is true, then the other dimension will be scaled
|
||||
* to maintain the image's aspect ratio. */
|
||||
maintain_aspect_ratio: {
|
||||
type: ParameterType.BOOL,
|
||||
default: true,
|
||||
},
|
||||
/**his array contains the key(s) that the participant is allowed to press in order to respond to the stimulus. Keys should
|
||||
* be specified as characters (e.g., `'a'`, `'q'`, `' '`, `'Enter'`, `'ArrowDown'`) - see
|
||||
* [this page](https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key/Key_Values) and
|
||||
* [this page (event.key column)](https://www.freecodecamp.org/news/javascript-keycode-list-keypress-event-key-codes/)
|
||||
* for more examples. Any key presses that are not listed in the array will be ignored. The default value of `"ALL_KEYS"`
|
||||
* means that all keys will be accepted as valid responses. Specifying `"NO_KEYS"` will mean that no responses are allowed. */
|
||||
choices: {
|
||||
type: ParameterType.KEYS,
|
||||
default: "ALL_KEYS",
|
||||
},
|
||||
/**This string can contain HTML markup. Any content here will be displayed below the stimulus. The intention is that it can
|
||||
* be used to provide a reminder about the action the participant is supposed to take (e.g., which key to press). */
|
||||
prompt: {
|
||||
type: ParameterType.HTML_STRING,
|
||||
default: null,
|
||||
},
|
||||
/** How long to show the stimulus for in milliseconds. If the value is `null`, then the stimulus will be shown until the
|
||||
* participant makes a response. */
|
||||
stimulus_duration: {
|
||||
type: ParameterType.INT,
|
||||
default: null,
|
||||
},
|
||||
/** How long to wait for the participant to make a response before ending the trial in milliseconds. If the participant
|
||||
* fails to make a response before this timer is reached, the participant's response will be recorded as null for the
|
||||
* trial and the trial will end. If the value of this parameter is `null`, then the trial will wait for a response indefinitely. */
|
||||
trial_duration: {
|
||||
type: ParameterType.INT,
|
||||
default: null,
|
||||
},
|
||||
/** If true, then the trial will end whenever the participant makes a response (assuming they make their response before
|
||||
* the cutoff specified by the `trial_duration` parameter). If false, then the trial will continue until the value for
|
||||
* `trial_duration` is reached. You can set this parameter to `false` to force the participant to view a stimulus for a
|
||||
* fixed amount of time, even if they respond before the time is complete. */
|
||||
response_ends_trial: {
|
||||
type: ParameterType.BOOL,
|
||||
default: true,
|
||||
},
|
||||
/**
|
||||
* If `true`, the image will be drawn onto a canvas element. This prevents a blank screen (white flash) between consecutive image trials in some browsers, like Firefox and Edge.
|
||||
* If `false`, the image will be shown via an img element, as in previous versions of jsPsych. If the stimulus is an **animated gif**, you must set this parameter to false, because the canvas rendering method will only present static images.
|
||||
*/
|
||||
render_on_canvas: {
|
||||
type: ParameterType.BOOL,
|
||||
default: true,
|
||||
},
|
||||
},
|
||||
data: {
|
||||
/** The path of the image that was displayed. */
|
||||
stimulus: {
|
||||
type: ParameterType.STRING,
|
||||
},
|
||||
/** Indicates which key the participant pressed. */
|
||||
response: {
|
||||
type: ParameterType.STRING,
|
||||
},
|
||||
/** The response time in milliseconds for the participant to make a response. The time is measured from when the stimulus
|
||||
* first appears on the screen until the participant's response. */
|
||||
rt: {
|
||||
type: ParameterType.INT,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
type Info = typeof info;
|
||||
|
||||
/**
|
||||
* This plugin displays an image and records responses generated with the keyboard. The stimulus can be displayed until a
|
||||
* response is given, or for a pre-determined amount of time. The trial can be ended automatically if the participant has
|
||||
* failed to respond within a fixed length of time.
|
||||
*
|
||||
* Image files can be automatically preloaded by jsPsych using the [`preload` plugin](preload.md). However, if you are using
|
||||
* timeline variables or another dynamic method to specify the image stimulus, you will need to
|
||||
* [manually preload](../overview/media-preloading.md#manual-preloading) the images.
|
||||
*
|
||||
* @author Josh de Leeuw
|
||||
* @see {@link https://www.jspsych.org/latest/plugins/image-keyboard-response/ image-keyboard-response plugin documentation on jspsych.org}
|
||||
*/
|
||||
class ImageKeyboardResponsePlugin implements JsPsychPlugin<Info> {
|
||||
static info = info;
|
||||
|
||||
constructor(private jsPsych: JsPsych) {}
|
||||
|
||||
trial(display_element: HTMLElement, trial: TrialType<Info>) {
|
||||
var height, width;
|
||||
if (trial.render_on_canvas) {
|
||||
var image_drawn = false;
|
||||
// first clear the display element (because the render_on_canvas method appends to display_element instead of overwriting it with .innerHTML)
|
||||
if (display_element.hasChildNodes()) {
|
||||
// can't loop through child list because the list will be modified by .removeChild()
|
||||
while (display_element.firstChild) {
|
||||
display_element.removeChild(display_element.firstChild);
|
||||
}
|
||||
}
|
||||
// create canvas element and image
|
||||
var canvas = document.createElement("canvas");
|
||||
canvas.id = "jspsych-image-keyboard-response-stimulus";
|
||||
canvas.style.margin = "0";
|
||||
canvas.style.padding = "0";
|
||||
var ctx = canvas.getContext("2d");
|
||||
var img = new Image();
|
||||
img.onload = () => {
|
||||
// if image wasn't preloaded, then it will need to be drawn whenever it finishes loading
|
||||
if (!image_drawn) {
|
||||
getHeightWidth(); // only possible to get width/height after image loads
|
||||
ctx.drawImage(img, 0, 0, width, height);
|
||||
}
|
||||
};
|
||||
img.src = trial.stimulus;
|
||||
// get/set image height and width - this can only be done after image loads because uses image's naturalWidth/naturalHeight properties
|
||||
const getHeightWidth = () => {
|
||||
if (trial.stimulus_height !== null) {
|
||||
height = trial.stimulus_height;
|
||||
if (trial.stimulus_width == null && trial.maintain_aspect_ratio) {
|
||||
width = img.naturalWidth * (trial.stimulus_height / img.naturalHeight);
|
||||
}
|
||||
} else {
|
||||
height = img.naturalHeight;
|
||||
}
|
||||
if (trial.stimulus_width !== null) {
|
||||
width = trial.stimulus_width;
|
||||
if (trial.stimulus_height == null && trial.maintain_aspect_ratio) {
|
||||
height = img.naturalHeight * (trial.stimulus_width / img.naturalWidth);
|
||||
}
|
||||
} else if (!(trial.stimulus_height !== null && trial.maintain_aspect_ratio)) {
|
||||
// if stimulus width is null, only use the image's natural width if the width value wasn't set
|
||||
// in the if statement above, based on a specified height and maintain_aspect_ratio = true
|
||||
width = img.naturalWidth;
|
||||
}
|
||||
canvas.height = height;
|
||||
canvas.width = width;
|
||||
};
|
||||
getHeightWidth(); // call now, in case image loads immediately (is cached)
|
||||
// add canvas and draw image
|
||||
display_element.insertBefore(canvas, null);
|
||||
if (img.complete && Number.isFinite(width) && Number.isFinite(height)) {
|
||||
// if image has loaded and width/height have been set, then draw it now
|
||||
// (don't rely on img onload function to draw image when image is in the cache, because that causes a delay in the image presentation)
|
||||
ctx.drawImage(img, 0, 0, width, height);
|
||||
image_drawn = true;
|
||||
}
|
||||
// add prompt if there is one
|
||||
if (trial.prompt !== null) {
|
||||
display_element.insertAdjacentHTML("beforeend", trial.prompt);
|
||||
}
|
||||
} else {
|
||||
// display stimulus as an image element
|
||||
var html = '<img src="' + trial.stimulus + '" id="jspsych-image-keyboard-response-stimulus">';
|
||||
// add prompt
|
||||
if (trial.prompt !== null) {
|
||||
html += trial.prompt;
|
||||
}
|
||||
// update the page content
|
||||
display_element.innerHTML = html;
|
||||
|
||||
// set image dimensions after image has loaded (so that we have access to naturalHeight/naturalWidth)
|
||||
var img = display_element.querySelector(
|
||||
"#jspsych-image-keyboard-response-stimulus"
|
||||
) as HTMLImageElement;
|
||||
if (trial.stimulus_height !== null) {
|
||||
height = trial.stimulus_height;
|
||||
if (trial.stimulus_width == null && trial.maintain_aspect_ratio) {
|
||||
width = img.naturalWidth * (trial.stimulus_height / img.naturalHeight);
|
||||
}
|
||||
} else {
|
||||
height = img.naturalHeight;
|
||||
}
|
||||
if (trial.stimulus_width !== null) {
|
||||
width = trial.stimulus_width;
|
||||
if (trial.stimulus_height == null && trial.maintain_aspect_ratio) {
|
||||
height = img.naturalHeight * (trial.stimulus_width / img.naturalWidth);
|
||||
}
|
||||
} else if (!(trial.stimulus_height !== null && trial.maintain_aspect_ratio)) {
|
||||
// if stimulus width is null, only use the image's natural width if the width value wasn't set
|
||||
// in the if statement above, based on a specified height and maintain_aspect_ratio = true
|
||||
width = img.naturalWidth;
|
||||
}
|
||||
img.style.height = height.toString() + "px";
|
||||
img.style.width = width.toString() + "px";
|
||||
}
|
||||
|
||||
// store response
|
||||
var response = {
|
||||
rt: null,
|
||||
key: null,
|
||||
};
|
||||
|
||||
// function to end trial when it is time
|
||||
const end_trial = () => {
|
||||
// kill any remaining setTimeout handlers
|
||||
this.jsPsych.pluginAPI.clearAllTimeouts();
|
||||
|
||||
// kill keyboard listeners
|
||||
if (typeof keyboardListener !== "undefined") {
|
||||
this.jsPsych.pluginAPI.cancelKeyboardResponse(keyboardListener);
|
||||
}
|
||||
|
||||
// gather the data to store for the trial
|
||||
var trial_data = {
|
||||
rt: response.rt,
|
||||
stimulus: trial.stimulus,
|
||||
response: response.key,
|
||||
};
|
||||
|
||||
// clear the display
|
||||
display_element.innerHTML = "";
|
||||
|
||||
// move on to the next trial
|
||||
this.jsPsych.finishTrial(trial_data);
|
||||
};
|
||||
|
||||
// function to handle responses by the subject
|
||||
var after_response = (info) => {
|
||||
// after a valid response, the stimulus will have the CSS class 'responded'
|
||||
// which can be used to provide visual feedback that a response was recorded
|
||||
display_element.querySelector("#jspsych-image-keyboard-response-stimulus").className +=
|
||||
" responded";
|
||||
|
||||
// only record the first response
|
||||
if (response.key == null) {
|
||||
response = info;
|
||||
}
|
||||
|
||||
if (trial.response_ends_trial) {
|
||||
end_trial();
|
||||
}
|
||||
};
|
||||
|
||||
// start the response listener
|
||||
if (trial.choices != "NO_KEYS") {
|
||||
var keyboardListener = this.jsPsych.pluginAPI.getKeyboardResponse({
|
||||
callback_function: after_response,
|
||||
valid_responses: trial.choices,
|
||||
rt_method: "performance",
|
||||
persist: false,
|
||||
allow_held_key: false,
|
||||
});
|
||||
}
|
||||
|
||||
// hide stimulus if stimulus_duration is set
|
||||
if (trial.stimulus_duration !== null) {
|
||||
this.jsPsych.pluginAPI.setTimeout(() => {
|
||||
display_element.querySelector<HTMLElement>(
|
||||
"#jspsych-image-keyboard-response-stimulus"
|
||||
).style.visibility = "hidden";
|
||||
}, trial.stimulus_duration);
|
||||
}
|
||||
|
||||
// end trial if trial_duration is set
|
||||
if (trial.trial_duration !== null) {
|
||||
this.jsPsych.pluginAPI.setTimeout(() => {
|
||||
end_trial();
|
||||
}, trial.trial_duration);
|
||||
} else if (trial.response_ends_trial === false) {
|
||||
console.warn(
|
||||
"The experiment may be deadlocked. Try setting a trial duration or set response_ends_trial to true."
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
simulate(
|
||||
trial: TrialType<Info>,
|
||||
simulation_mode,
|
||||
simulation_options: any,
|
||||
load_callback: () => void
|
||||
) {
|
||||
if (simulation_mode == "data-only") {
|
||||
load_callback();
|
||||
this.simulate_data_only(trial, simulation_options);
|
||||
}
|
||||
if (simulation_mode == "visual") {
|
||||
this.simulate_visual(trial, simulation_options, load_callback);
|
||||
}
|
||||
}
|
||||
|
||||
private simulate_data_only(trial: TrialType<Info>, simulation_options) {
|
||||
const data = this.create_simulation_data(trial, simulation_options);
|
||||
|
||||
this.jsPsych.finishTrial(data);
|
||||
}
|
||||
|
||||
private simulate_visual(trial: TrialType<Info>, simulation_options, load_callback: () => void) {
|
||||
const data = this.create_simulation_data(trial, simulation_options);
|
||||
|
||||
const display_element = this.jsPsych.getDisplayElement();
|
||||
|
||||
this.trial(display_element, trial);
|
||||
load_callback();
|
||||
|
||||
if (data.rt !== null) {
|
||||
this.jsPsych.pluginAPI.pressKey(data.response, data.rt);
|
||||
}
|
||||
}
|
||||
|
||||
private create_simulation_data(trial: TrialType<Info>, simulation_options) {
|
||||
const default_data = {
|
||||
stimulus: trial.stimulus,
|
||||
rt: this.jsPsych.randomization.sampleExGaussian(500, 50, 1 / 150, true),
|
||||
response: this.jsPsych.pluginAPI.getValidKey(trial.choices),
|
||||
};
|
||||
|
||||
const data = this.jsPsych.pluginAPI.mergeSimulationData(default_data, simulation_options);
|
||||
|
||||
this.jsPsych.pluginAPI.ensureSimulationDataConsistency(trial, data);
|
||||
|
||||
return data;
|
||||
}
|
||||
}
|
||||
|
||||
export default ImageKeyboardResponsePlugin;
|
||||
467
backend/plugins/preload/index.ts
Normal file
467
backend/plugins/preload/index.ts
Normal file
@ -0,0 +1,467 @@
|
||||
import { JsPsych, JsPsychPlugin, ParameterType, TrialType } from "jspsych";
|
||||
|
||||
import { version } from "../../package.json";
|
||||
|
||||
const info = <const>{
|
||||
name: "preload",
|
||||
version: version,
|
||||
parameters: {
|
||||
/** If `true`, the plugin will preload any files that can be automatically preloaded based on the main experiment
|
||||
* timeline that is passed to `jsPsych.run`. If `false`, any file(s) to be preloaded should be specified by passing
|
||||
* a timeline array to the `trials` parameter and/or an array of file paths to the `images`, `audio`, and/or `video`
|
||||
* parameters. Setting this parameter to `false` is useful when you plan to preload your files in smaller batches
|
||||
* throughout the experiment. */
|
||||
auto_preload: {
|
||||
type: ParameterType.BOOL,
|
||||
default: false,
|
||||
},
|
||||
/** An array containing one or more jsPsych trial or timeline objects. This parameter is useful when you want to
|
||||
* automatically preload stimuli files from a specific subset of the experiment. See [Creating an Experiment:
|
||||
* The Timeline](../overview/timeline.md) for information on constructing timelines. */
|
||||
trials: {
|
||||
type: ParameterType.TIMELINE,
|
||||
default: [],
|
||||
},
|
||||
/**
|
||||
* Array with one or more image files to load. This parameter is often used in cases where media files cannot
|
||||
* be automatically preloaded based on the timeline, e.g. because the media files are passed into an image plugin/parameter with
|
||||
* timeline variables or dynamic parameters, or because the image is embedded in an HTML string.
|
||||
*/
|
||||
images: {
|
||||
type: ParameterType.STRING,
|
||||
default: [],
|
||||
array: true,
|
||||
},
|
||||
/**
|
||||
* Array with one or more audio files to load. This parameter is often used in cases where media files cannot
|
||||
* be automatically preloaded based on the timeline, e.g. because the media files are passed into an audio plugin/parameter with
|
||||
* timeline variables or dynamic parameters, or because the audio is embedded in an HTML string.
|
||||
*/
|
||||
audio: {
|
||||
type: ParameterType.STRING,
|
||||
default: [],
|
||||
array: true,
|
||||
},
|
||||
/**
|
||||
* Array with one or more video files to load. This parameter is often used in cases where media files cannot
|
||||
* be automatically preloaded based on the timeline, e.g. because the media files are passed into a video plugin/parameter with
|
||||
* timeline variables or dynamic parameters, or because the video is embedded in an HTML string.
|
||||
*/
|
||||
video: {
|
||||
type: ParameterType.STRING,
|
||||
default: [],
|
||||
array: true,
|
||||
},
|
||||
/** HTML-formatted message to show above the progress bar while the files are loading. If `null`, then no message is shown. */
|
||||
message: {
|
||||
type: ParameterType.HTML_STRING,
|
||||
default: null,
|
||||
},
|
||||
/** If `true`, a progress bar will be shown while the files are loading. If `false`, no progress bar is shown. */
|
||||
show_progress_bar: {
|
||||
type: ParameterType.BOOL,
|
||||
default: true,
|
||||
},
|
||||
/**
|
||||
* Whether or not to continue with the experiment if a loading error occurs. If false, then if a loading error occurs,
|
||||
* the error_message will be shown on the page and the trial will not end. If true, then if if a loading error occurs, the trial will end
|
||||
* and preloading failure will be logged in the trial data.
|
||||
*/
|
||||
continue_after_error: {
|
||||
type: ParameterType.BOOL,
|
||||
default: false,
|
||||
},
|
||||
/** HTML-formatted message to be shown on the page after loading fails or times out. Only applies when `continue_after_error` is `false`.*/
|
||||
error_message: {
|
||||
type: ParameterType.HTML_STRING,
|
||||
default: "The experiment failed to load.",
|
||||
},
|
||||
/**
|
||||
* Whether or not to show a detailed error message on the page. If true, then detailed error messages will be shown on the
|
||||
* page for all files that failed to load, along with the general error_message. This parameter is only relevant when continue_after_error is false.
|
||||
*/
|
||||
show_detailed_errors: {
|
||||
type: ParameterType.BOOL,
|
||||
default: false,
|
||||
},
|
||||
/**
|
||||
* The maximum amount of time that the plugin should wait before stopping the preload and either ending the trial
|
||||
* (if continue_after_error is true) or stopping the experiment with an error message (if continue_after_error is false).
|
||||
* If null, the plugin will wait indefintely for the files to load.
|
||||
*/
|
||||
max_load_time: {
|
||||
type: ParameterType.INT,
|
||||
default: null,
|
||||
},
|
||||
/** Function to be called after a file fails to load. The function takes the file name as its only argument. */
|
||||
on_error: {
|
||||
type: ParameterType.FUNCTION,
|
||||
default: null,
|
||||
},
|
||||
/** Function to be called after a file loads successfully. The function takes the file name as its only argument. */
|
||||
on_success: {
|
||||
type: ParameterType.FUNCTION,
|
||||
default: null,
|
||||
},
|
||||
},
|
||||
data: {
|
||||
/** If `true`, then all files loaded successfully within the `max_load_time`. If `false`, then one or
|
||||
* more file requests returned a failure and/or the file loading did not complete within the `max_load_time` duration. */
|
||||
success: {
|
||||
type: ParameterType.BOOL,
|
||||
},
|
||||
/** If `true`, then the files did not finish loading within the `max_load_time` duration.
|
||||
* If `false`, then the file loading did not timeout. Note that when the preload trial does not timeout
|
||||
* (`timeout: false`), it is still possible for loading to fail (`success: false`). This happens if
|
||||
* one or more files fails to load and all file requests trigger either a success or failure event before
|
||||
* the `max_load_time` duration. */
|
||||
timeout: {
|
||||
type: ParameterType.BOOL,
|
||||
},
|
||||
/** One or more image file paths that produced a loading failure before the trial ended. */
|
||||
failed_images: {
|
||||
type: ParameterType.STRING,
|
||||
array: true,
|
||||
},
|
||||
/** One or more audio file paths that produced a loading failure before the trial ended. */
|
||||
failed_audio: {
|
||||
type: ParameterType.STRING,
|
||||
array: true,
|
||||
},
|
||||
/** One or more video file paths that produced a loading failure before the trial ended. */
|
||||
failed_video: {
|
||||
type: ParameterType.STRING,
|
||||
array: true,
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
type Info = typeof info;
|
||||
|
||||
/**
|
||||
* This plugin loads images, audio, and video files. It is used for loading files into the browser's memory before they are
|
||||
* needed in the experiment, in order to improve stimulus and response timing, and avoid disruption to the experiment flow.
|
||||
* We recommend using this plugin anytime you are loading media files, and especially when your experiment requires large
|
||||
* and/or many media files. See the [Media Preloading page](../overview/media-preloading.md) for more information.
|
||||
*
|
||||
* The preload trial will end as soon as all files have loaded successfully. The trial will end or stop with an error
|
||||
* message when one of these two scenarios occurs (whichever comes first): (a) all files have not finished loading
|
||||
* when the `max_load_time` duration is reached, or (b) all file requests have responded with either a load or fail
|
||||
* event, and one or more files has failed to load. The `continue_after_error` parameter determines whether the trial
|
||||
* will stop with an error message or end (allowing the experiment to continue) when preloading is not successful.
|
||||
*
|
||||
* @author Becky Gilbert
|
||||
* @see {@link https://www.jspsych.org/latest/plugins/preload/ preload plugin documentation on jspsych.org}
|
||||
*/
|
||||
class PreloadPlugin implements JsPsychPlugin<Info> {
|
||||
static info = info;
|
||||
|
||||
constructor(private jsPsych: JsPsych) {}
|
||||
|
||||
trial(display_element: HTMLElement, trial: TrialType<Info>) {
|
||||
var success = null;
|
||||
var timeout = false;
|
||||
var failed_images = [];
|
||||
var failed_audio = [];
|
||||
var failed_video = [];
|
||||
var detailed_errors = [];
|
||||
var in_safe_mode = this.jsPsych.getSafeModeStatus();
|
||||
|
||||
// create list of media to preload //
|
||||
|
||||
var images = [];
|
||||
var audio = [];
|
||||
var video = [];
|
||||
|
||||
if (trial.auto_preload) {
|
||||
var experiment_timeline = this.jsPsych.getTimeline();
|
||||
var auto_preload = this.jsPsych.pluginAPI.getAutoPreloadList(experiment_timeline);
|
||||
images = images.concat(auto_preload.images);
|
||||
audio = audio.concat(auto_preload.audio);
|
||||
video = video.concat(auto_preload.video);
|
||||
}
|
||||
|
||||
if (trial.trials.length > 0) {
|
||||
var trial_preloads = this.jsPsych.pluginAPI.getAutoPreloadList(trial.trials);
|
||||
images = images.concat(trial_preloads.images);
|
||||
audio = audio.concat(trial_preloads.audio);
|
||||
video = video.concat(trial_preloads.video);
|
||||
}
|
||||
|
||||
images = images.concat(trial.images);
|
||||
audio = audio.concat(trial.audio);
|
||||
video = video.concat(trial.video);
|
||||
|
||||
images = this.jsPsych.utils.unique(images.flat());
|
||||
audio = this.jsPsych.utils.unique(audio.flat());
|
||||
video = this.jsPsych.utils.unique(video.flat());
|
||||
|
||||
if (in_safe_mode) {
|
||||
// don't preload video if in safe mode (experiment is running via file protocol)
|
||||
video = [];
|
||||
}
|
||||
|
||||
// render display of message and progress bar
|
||||
|
||||
var html = "";
|
||||
|
||||
if (trial.message !== null) {
|
||||
html += trial.message;
|
||||
}
|
||||
|
||||
if (trial.show_progress_bar) {
|
||||
html += `
|
||||
<div id='jspsych-loading-progress-bar-container' style='height: 10px; width: 300px; background-color: #ddd; margin: auto;'>
|
||||
<div id='jspsych-loading-progress-bar' style='height: 10px; width: 0%; background-color: #777;'></div>
|
||||
</div>`;
|
||||
}
|
||||
|
||||
display_element.innerHTML = html;
|
||||
|
||||
const update_loading_progress_bar = () => {
|
||||
loaded++;
|
||||
if (trial.show_progress_bar) {
|
||||
var percent_loaded = (loaded / total_n) * 100;
|
||||
var preload_progress_bar = display_element.querySelector<HTMLElement>(
|
||||
"#jspsych-loading-progress-bar"
|
||||
);
|
||||
if (preload_progress_bar !== null) {
|
||||
preload_progress_bar.style.width = percent_loaded + "%";
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
// called if all files load successfully
|
||||
const on_success = () => {
|
||||
if (typeof timeout !== "undefined" && timeout === false) {
|
||||
// clear timeout immediately after finishing, to handle race condition with max_load_time
|
||||
this.jsPsych.pluginAPI.clearAllTimeouts();
|
||||
// need to call cancel preload function to clear global jsPsych preload_request list, even when they've all succeeded
|
||||
this.jsPsych.pluginAPI.cancelPreloads();
|
||||
success = true;
|
||||
end_trial();
|
||||
}
|
||||
};
|
||||
|
||||
// called if all_files haven't finished loading when max_load_time is reached
|
||||
const on_timeout = () => {
|
||||
this.jsPsych.pluginAPI.cancelPreloads();
|
||||
if (typeof success !== "undefined" && (success === false || success === null)) {
|
||||
timeout = true;
|
||||
if (loaded_success < total_n) {
|
||||
success = false;
|
||||
}
|
||||
after_error("timeout"); // call trial's on_error event handler here, in case loading timed out with no file errors
|
||||
detailed_errors.push(
|
||||
"<p><strong>Loading timed out.</strong><br>" +
|
||||
"Consider compressing your stimuli files, loading your files in smaller batches,<br>" +
|
||||
"and/or increasing the <i>max_load_time</i> parameter.</p>"
|
||||
);
|
||||
if (trial.continue_after_error) {
|
||||
end_trial();
|
||||
} else {
|
||||
stop_with_error_message();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const stop_with_error_message = () => {
|
||||
this.jsPsych.pluginAPI.clearAllTimeouts();
|
||||
this.jsPsych.pluginAPI.cancelPreloads();
|
||||
// show error message
|
||||
display_element.innerHTML = trial.error_message;
|
||||
// show detailed errors, if necessary
|
||||
if (trial.show_detailed_errors) {
|
||||
display_element.innerHTML += "<p><strong>Error details:</strong></p>";
|
||||
detailed_errors.forEach((e) => {
|
||||
display_element.innerHTML += e;
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
const end_trial = () => {
|
||||
// clear timeout again when end_trial is called, to handle race condition with max_load_time
|
||||
this.jsPsych.pluginAPI.clearAllTimeouts();
|
||||
var trial_data = {
|
||||
success: success,
|
||||
timeout: timeout,
|
||||
failed_images: failed_images,
|
||||
failed_audio: failed_audio,
|
||||
failed_video: failed_video,
|
||||
};
|
||||
// clear the display
|
||||
display_element.innerHTML = "";
|
||||
this.jsPsych.finishTrial(trial_data);
|
||||
};
|
||||
|
||||
// do preloading
|
||||
|
||||
if (trial.max_load_time !== null) {
|
||||
this.jsPsych.pluginAPI.setTimeout(on_timeout, trial.max_load_time);
|
||||
}
|
||||
|
||||
var total_n = images.length + audio.length + video.length;
|
||||
var loaded = 0; // success or error count
|
||||
var loaded_success = 0; // success count
|
||||
|
||||
if (total_n == 0) {
|
||||
on_success();
|
||||
} else {
|
||||
const load_video = (cb) => {
|
||||
this.jsPsych.pluginAPI.preloadVideo(video, cb, file_loading_success, file_loading_error);
|
||||
};
|
||||
const load_audio = (cb) => {
|
||||
this.jsPsych.pluginAPI.preloadAudio(audio, cb, file_loading_success, file_loading_error);
|
||||
};
|
||||
const load_images = (cb) => {
|
||||
this.jsPsych.pluginAPI.preloadImages(images, cb, file_loading_success, file_loading_error);
|
||||
};
|
||||
if (video.length > 0) {
|
||||
load_video(() => {});
|
||||
}
|
||||
if (audio.length > 0) {
|
||||
load_audio(() => {});
|
||||
}
|
||||
if (images.length > 0) {
|
||||
load_images(() => {});
|
||||
}
|
||||
}
|
||||
|
||||
// helper functions and callbacks
|
||||
|
||||
// called when a single file loading fails
|
||||
function file_loading_error(e) {
|
||||
// update progress bar even if there's an error
|
||||
update_loading_progress_bar();
|
||||
// change success flag after first file loading error
|
||||
if (success == null) {
|
||||
success = false;
|
||||
}
|
||||
// add file to failed media list
|
||||
var source = "unknown file";
|
||||
if (e.source) {
|
||||
source = e.source;
|
||||
}
|
||||
if (e.error && e.error.path && e.error.path.length > 0) {
|
||||
if (e.error.path[0].localName == "img") {
|
||||
failed_images.push(source);
|
||||
} else if (e.error.path[0].localName == "audio") {
|
||||
failed_audio.push(source);
|
||||
} else if (e.error.path[0].localName == "video") {
|
||||
failed_video.push(source);
|
||||
}
|
||||
}
|
||||
// construct detailed error message
|
||||
var err_msg = "<p><strong>Error loading file: " + source + "</strong><br>";
|
||||
if (e.error.statusText) {
|
||||
err_msg += "File request response status: " + e.error.statusText + "<br>";
|
||||
}
|
||||
if (e.error == "404") {
|
||||
err_msg += "404 - file not found.<br>";
|
||||
}
|
||||
if (
|
||||
typeof e.error.loaded !== "undefined" &&
|
||||
e.error.loaded !== null &&
|
||||
e.error.loaded !== 0
|
||||
) {
|
||||
err_msg += e.error.loaded + " bytes transferred.";
|
||||
} else {
|
||||
err_msg +=
|
||||
"File did not begin loading. Check that file path is correct and reachable by the browser,<br>" +
|
||||
"and that loading is not blocked by cross-origin resource sharing (CORS) errors.";
|
||||
}
|
||||
err_msg += "</p>";
|
||||
detailed_errors.push(err_msg);
|
||||
// call trial's on_error function
|
||||
after_error(source);
|
||||
// if this is the last file
|
||||
if (loaded == total_n) {
|
||||
if (trial.continue_after_error) {
|
||||
// if continue_after_error is false, then stop with an error
|
||||
end_trial();
|
||||
} else {
|
||||
// otherwise end the trial and continue
|
||||
stop_with_error_message();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// called when a single file loads successfully
|
||||
function file_loading_success(source: string) {
|
||||
update_loading_progress_bar();
|
||||
// call trial's on_success function
|
||||
after_success(source);
|
||||
loaded_success++;
|
||||
if (loaded_success == total_n) {
|
||||
// if this is the last file and all loaded successfully, call success function
|
||||
on_success();
|
||||
} else if (loaded == total_n) {
|
||||
// if this is the last file and there was at least one error
|
||||
if (trial.continue_after_error) {
|
||||
// end the trial and continue with experiment
|
||||
end_trial();
|
||||
} else {
|
||||
// if continue_after_error is false, then stop with an error
|
||||
stop_with_error_message();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function after_error(source: string) {
|
||||
// call on_error function and pass file name
|
||||
if (trial.on_error !== null) {
|
||||
trial.on_error(source);
|
||||
}
|
||||
}
|
||||
function after_success(source: string) {
|
||||
// call on_success function and pass file name
|
||||
if (trial.on_success !== null) {
|
||||
trial.on_success(source);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
simulate(
|
||||
trial: TrialType<Info>,
|
||||
simulation_mode,
|
||||
simulation_options: any,
|
||||
load_callback: () => void
|
||||
) {
|
||||
if (simulation_mode == "data-only") {
|
||||
load_callback();
|
||||
this.simulate_data_only(trial, simulation_options);
|
||||
}
|
||||
if (simulation_mode == "visual") {
|
||||
this.simulate_visual(trial, simulation_options, load_callback);
|
||||
}
|
||||
}
|
||||
|
||||
private create_simulation_data(trial: TrialType<Info>, simulation_options) {
|
||||
const default_data = {
|
||||
success: true,
|
||||
timeout: false,
|
||||
failed_images: [],
|
||||
failed_audio: [],
|
||||
failed_video: [],
|
||||
};
|
||||
|
||||
const data = this.jsPsych.pluginAPI.mergeSimulationData(default_data, simulation_options);
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
private simulate_data_only(trial: TrialType<Info>, simulation_options) {
|
||||
const data = this.create_simulation_data(trial, simulation_options);
|
||||
|
||||
this.jsPsych.finishTrial(data);
|
||||
}
|
||||
|
||||
private simulate_visual(trial: TrialType<Info>, simulation_options, load_callback: () => void) {
|
||||
const display_element = this.jsPsych.getDisplayElement();
|
||||
|
||||
this.trial(display_element, trial);
|
||||
load_callback();
|
||||
}
|
||||
}
|
||||
|
||||
export default PreloadPlugin;
|
||||
18
backend/server.js
Normal file
18
backend/server.js
Normal file
@ -0,0 +1,18 @@
|
||||
const path = require("path");
|
||||
const express = require("express");
|
||||
const cors = require("cors"); // Import the cors package
|
||||
|
||||
const app = express();
|
||||
|
||||
app.use(cors()); // Use the cors middleware
|
||||
|
||||
app.get("/plugin/:pluginName/index.ts", (req, res) => {
|
||||
const pluginName = req.params.pluginName;
|
||||
const filePath = path.join(__dirname, ".", "plugins", pluginName, "index.ts");
|
||||
res.sendFile(filePath);
|
||||
});
|
||||
|
||||
const port = 3000;
|
||||
app.listen(port, () => {
|
||||
console.log(`Server running at http://localhost:${port}`);
|
||||
});
|
||||
@ -56,9 +56,7 @@
|
||||
|
||||
var jsPsych = initJsPsych({
|
||||
on_finish: async function() {
|
||||
// console.log(jsPsych.data.get().json());
|
||||
// console.log(jsPsych.data.get().csv());
|
||||
await metadata.generate(jsPsych.data.get().json(), metadata_options);
|
||||
await metadata.generate(jsPsych.data.get().json());
|
||||
|
||||
// await metadata.generate(jsPsych.data.get().csv(), metadata_options, true);
|
||||
// metadata.saveAsJsonFile();
|
||||
@ -81,8 +79,8 @@
|
||||
|
||||
var timeline_variables = [
|
||||
{ v1: 'img/happy_face_1.jpg', v2: 'Ann' },
|
||||
//{ v1: 'img/happy_face_2.jpg', v2: 'Jackson' },
|
||||
//{ v1: 'img/happy_face_3.jpg', v2: 'Riley' }
|
||||
{ v1: 'img/happy_face_2.jpg', v2: 'Jackson' },
|
||||
{ v1: 'img/happy_face_3.jpg', v2: 'Riley' }
|
||||
];
|
||||
|
||||
var node = {
|
||||
|
||||
3428
package-lock.json
generated
3428
package-lock.json
generated
File diff suppressed because it is too large
Load Diff
@ -1,6 +1,12 @@
|
||||
import { SetRequired } from "type-fest";
|
||||
|
||||
import { SimulationMode, SimulationOptions, TrialDescription, TrialResult } from "../timeline";
|
||||
import {
|
||||
Parameter,
|
||||
SimulationMode,
|
||||
SimulationOptions,
|
||||
TrialDescription,
|
||||
TrialResult,
|
||||
} from "../timeline";
|
||||
|
||||
/**
|
||||
* Parameter types for plugins
|
||||
@ -138,7 +144,9 @@ export type UniversalPluginParameters = InferredParameters<typeof universalPlugi
|
||||
|
||||
export interface PluginInfo {
|
||||
name: string;
|
||||
version?: string;
|
||||
parameters: ParameterInfos;
|
||||
data?: ParameterInfos;
|
||||
}
|
||||
|
||||
export interface JsPsychPlugin<I extends PluginInfo> {
|
||||
|
||||
@ -40,6 +40,7 @@
|
||||
"@jspsych/config": "^2.0.0",
|
||||
"@jspsych/test-utils": "^1.1.2",
|
||||
"@types/jest": "^29.5.12",
|
||||
"husky": "^9.0.11",
|
||||
"ts-jest": "^29.1.4"
|
||||
}
|
||||
}
|
||||
|
||||
@ -39,7 +39,7 @@ export default class JsPsychMetadata {
|
||||
* @private
|
||||
* @type {{}}
|
||||
*/
|
||||
private cache: {};
|
||||
private variables_cache: {};
|
||||
private requests_cache: {}; // temporary requests cache before implementing faster method
|
||||
|
||||
/**
|
||||
@ -66,7 +66,7 @@ export default class JsPsychMetadata {
|
||||
this.setMetadataField("description", "Dataset generated using JsPsych");
|
||||
this.authors = new AuthorsMap();
|
||||
this.variables = new VariablesMap();
|
||||
this.cache = {};
|
||||
this.variables_cache = {};
|
||||
this.requests_cache = {};
|
||||
}
|
||||
|
||||
@ -319,6 +319,7 @@ export default class JsPsychMetadata {
|
||||
|
||||
for (const variable in observation) {
|
||||
const value = observation[variable];
|
||||
// console.log("pluginType:", pluginType, "variable:", variable, "value:", value);
|
||||
|
||||
if (value === null) continue;
|
||||
|
||||
@ -429,55 +430,78 @@ export default class JsPsychMetadata {
|
||||
* @throws Will throw an error if the fetch operation fails.
|
||||
*/
|
||||
private async getPluginInfo(pluginType: string, variableName: string) {
|
||||
const cache_request = this.checkCache(pluginType, variableName);
|
||||
if (cache_request) return cache_request;
|
||||
|
||||
const description = await this.fetchAPI(pluginType, variableName);
|
||||
return description;
|
||||
}
|
||||
|
||||
private checkCache(pluginType: string, variableName: string) {
|
||||
// Check if the cache for the pluginType exists, if not initialize it
|
||||
if (!this.cache[pluginType]) this.cache[pluginType] = {};
|
||||
else if (variableName in this.cache[pluginType]) {
|
||||
if (!this.variables_cache[pluginType]) this.variables_cache[pluginType] = {};
|
||||
else if (variableName in this.variables_cache[pluginType]) {
|
||||
// If the variable already exists in the cache for the plugin, return the cached value
|
||||
return this.cache[pluginType][variableName];
|
||||
}
|
||||
|
||||
// If not, we proceed to fetch script:
|
||||
// Construct the URL for the unpkg service
|
||||
const unpkgUrl = `https://unpkg.com/@jspsych/plugin-${pluginType}/src/index.ts`;
|
||||
|
||||
try {
|
||||
let description = "unknown";
|
||||
// check requests cache
|
||||
if (pluginType in this.requests_cache) {
|
||||
const scriptContent = this.requests_cache[pluginType];
|
||||
description = this.getJsdocsDescription(scriptContent, variableName);
|
||||
this.cache[pluginType][variableName] = description;
|
||||
} else {
|
||||
// Fetch the script content from the unpkg URL
|
||||
const response = await fetch(unpkgUrl);
|
||||
const scriptContent = await response.text();
|
||||
this.requests_cache[pluginType] = scriptContent;
|
||||
console.log(scriptContent);
|
||||
|
||||
// Extract the JSDoc description for the variable from the script content
|
||||
description = this.getJsdocsDescription(scriptContent, variableName);
|
||||
|
||||
// Check again if the cache for the pluginType exists, if not initialize it
|
||||
if (!this.cache[pluginType]) this.cache[pluginType] = {}; // don't think this ever returns true, might be able delete
|
||||
|
||||
// Cache the description for the variable in the pluginType cache
|
||||
this.cache[pluginType][variableName] = description;
|
||||
// Return the description
|
||||
}
|
||||
return this.variables_cache[pluginType][variableName];
|
||||
} else if (pluginType in this.requests_cache) {
|
||||
// requests_cache hit
|
||||
const scriptContent = this.requests_cache[pluginType];
|
||||
const description = this.getJsdocsDescription(scriptContent, variableName);
|
||||
this.variables_cache[pluginType][variableName] = description;
|
||||
|
||||
return description;
|
||||
} else return undefined;
|
||||
}
|
||||
|
||||
private async fetchAPI(pluginType: string, variableName: string) {
|
||||
const unpkgUrl = `http://localhost:3000/plugin/${pluginType}/index.ts`;
|
||||
let description = undefined;
|
||||
|
||||
try {
|
||||
// Fetch the script content from the unpkg URL
|
||||
const response = await fetch(unpkgUrl);
|
||||
|
||||
// Check if the response is not ok
|
||||
if (!response.ok) {
|
||||
throw new Error(`Network response was not ok, status: ${response.status}`);
|
||||
}
|
||||
|
||||
const scriptContent = await response.text();
|
||||
if (!scriptContent) {
|
||||
console.error("fetched script was null...");
|
||||
return description;
|
||||
}
|
||||
this.requests_cache[pluginType] = scriptContent;
|
||||
|
||||
// // Extract the JSDoc description for the variable from the script content
|
||||
description = this.getJsdocsDescription(scriptContent, variableName);
|
||||
|
||||
// if (description) {
|
||||
// this.variables_cache[pluginType][variableName] = description;
|
||||
// } else {
|
||||
// throw new Error(`No JSDoc description found for variable: ${variableName}`);
|
||||
// }
|
||||
} catch (error) {
|
||||
console.error(`Failed to fetch info from ${unpkgUrl}:`, error); // DISABLING to test other features
|
||||
// Error is likely due to 1)a fetch failure, or 2)no JSDoc comments in the script content matched.
|
||||
//HANDLE FETCH FAILURE CASES
|
||||
// In case of the latter, we cache the null value to prevent repeated fetch attempts.
|
||||
// Handle specific fetch errors
|
||||
if (error instanceof TypeError) {
|
||||
console.error(`Failed to fetch info from ${unpkgUrl}: Network or CORS error`, error);
|
||||
} else if (error.message.includes("Network response was not ok")) {
|
||||
console.error(`Failed to fetch info from ${unpkgUrl}: ${error.message}`);
|
||||
} else if (error.message.includes("No JSDoc description found")) {
|
||||
console.error(error.message);
|
||||
} else {
|
||||
console.error(`Unexpected error occurred:`, error);
|
||||
}
|
||||
|
||||
if (!this.cache[pluginType]) this.cache[pluginType] = {};
|
||||
// Ensure the cache is updated to prevent repeated fetch attempts
|
||||
if (!this.variables_cache[pluginType]) {
|
||||
this.variables_cache[pluginType] = {};
|
||||
}
|
||||
|
||||
this.cache[pluginType][variableName] = null;
|
||||
|
||||
return "failed with error";
|
||||
this.variables_cache[pluginType][variableName] = undefined;
|
||||
}
|
||||
|
||||
return description;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -491,6 +515,7 @@ export default class JsPsychMetadata {
|
||||
* @returns {string} The extracted JSDoc description, cleaned and trimmed.
|
||||
*/
|
||||
private getJsdocsDescription(scriptContent: string, variableName: string) {
|
||||
// console.log("getJsDocDesc, varName:", variableName);
|
||||
// Regex to match part of the content that starts with 'parameters:' and ends with '};', which
|
||||
// is parameters info. THIS MUST BE CHANGED TO data FOR NEW PLUGIN LAYOUT
|
||||
const paramRegex = scriptContent.match(/parameters:\s*{([\s\S]*?)};\s*/).join();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user