Sakurai/pdf.js
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Use arrow functions instead of self variables in test/driver.js

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This commit is contained in:
Tim van der Meij 2021-12-04 15:45:47 +01:00
parent 1d1f713bfc
commit 13786ef806
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GPG Key ID: 8C3FD2925A5F2762
1 changed files with 34 additions and 38 deletions
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72
test/driver.js
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@ -417,9 +417,8 @@ class Driver {
}
run() {
var self = this;
window.onerror = function (message, source, line, column, error) {
self._info(
window.onerror = (message, source, line, column, error) => {
this._info(
"Error: " +
message +
" Script: " +
@ -438,23 +437,23 @@ class Driver {
var r = new XMLHttpRequest();
r.open("GET", this.manifestFile, false);
r.onreadystatechange = function () {
r.onreadystatechange = () => {
if (r.readyState === 4) {
self._log("done\n");
self.manifest = JSON.parse(r.responseText);
if (self.testFilter?.length || self.xfaOnly) {
self.manifest = self.manifest.filter(function (item) {
if (self.testFilter.includes(item.id)) {
this._log("done\n");
this.manifest = JSON.parse(r.responseText);
if (this.testFilter?.length || this.xfaOnly) {
this.manifest = this.manifest.filter(item => {
if (this.testFilter.includes(item.id)) {
return true;
}
if (self.xfaOnly && item.enableXfa) {
if (this.xfaOnly && item.enableXfa) {
return true;
}
return false;
});
}
self.currentTask = 0;
self._nextTask();
this.currentTask = 0;
this._nextTask();
}
};
if (this.delay > 0) {
@ -624,18 +623,17 @@ class Driver {
}
_nextPage(task, loadError) {
var self = this;
var failure = loadError || "";
var ctx;
if (!task.pdfDoc) {
var dataUrl = this.canvas.toDataURL("image/png");
this._sendResult(dataUrl, task, failure, function () {
self._log(
this._sendResult(dataUrl, task, failure, () => {
this._log(
"done" + (failure ? " (failed !: " + failure + ")" : "") + "\n"
);
self.currentTask++;
self._nextTask();
this.currentTask++;
this._nextTask();
});
return;
}
@ -668,13 +666,13 @@ class Driver {
this.canvas.mozOpaque = true;
ctx = this.canvas.getContext("2d", { alpha: false });
task.pdfDoc.getPage(task.pageNum).then(
function (page) {
page => {
var viewport = page.getViewport({
scale: PixelsPerInch.PDF_TO_CSS_UNITS,
});
self.canvas.width = viewport.width;
self.canvas.height = viewport.height;
self._clearCanvas();
this.canvas.width = viewport.width;
this.canvas.height = viewport.height;
this._clearCanvas();
// Initialize various `eq` test subtypes, see comment below.
var renderAnnotations = false,
@ -695,10 +693,10 @@ class Driver {
var initPromise;
if (task.type === "text") {
// Using a dummy canvas for PDF context drawing operations
textLayerCanvas = self.textLayerCanvas;
textLayerCanvas = this.textLayerCanvas;
if (!textLayerCanvas) {
textLayerCanvas = document.createElement("canvas");
self.textLayerCanvas = textLayerCanvas;
this.textLayerCanvas = textLayerCanvas;
}
textLayerCanvas.width = viewport.width;
textLayerCanvas.height = viewport.height;
@ -736,10 +734,10 @@ class Driver {
// Render the annotation layer if necessary.
if (renderAnnotations || renderForms || renderXfa) {
// Create a dummy canvas for the drawing operations.
annotationLayerCanvas = self.annotationLayerCanvas;
annotationLayerCanvas = this.annotationLayerCanvas;
if (!annotationLayerCanvas) {
annotationLayerCanvas = document.createElement("canvas");
self.annotationLayerCanvas = annotationLayerCanvas;
this.annotationLayerCanvas = annotationLayerCanvas;
}
annotationLayerCanvas.width = viewport.width;
annotationLayerCanvas.height = viewport.height;
@ -789,7 +787,7 @@ class Driver {
renderContext.intent = "print";
}
var completeRender = function (error) {
var completeRender = error => {
// if text layer is present, compose it on top of the page
if (textLayerCanvas) {
ctx.save();
@ -808,7 +806,7 @@ class Driver {
task.stats = page.stats;
}
page.cleanup(/* resetStats = */ true);
self._snapshot(task, error);
this._snapshot(task, error);
};
initPromise
.then(function (data) {
@ -842,8 +840,8 @@ class Driver {
completeRender("render : " + error);
});
},
function (error) {
self._snapshot(task, "render : " + error);
error => {
this._snapshot(task, "render : " + error);
}
);
} catch (e) {
@ -860,16 +858,15 @@ class Driver {
}
_snapshot(task, failure) {
var self = this;
this._log("Snapshotting... ");
var dataUrl = this.canvas.toDataURL("image/png");
this._sendResult(dataUrl, task, failure, function () {
self._log(
this._sendResult(dataUrl, task, failure, () => {
this._log(
"done" + (failure ? " (failed !: " + failure + ")" : "") + "\n"
);
task.pageNum++;
self._nextPage(task);
this._nextPage(task);
});
}
@ -940,18 +937,17 @@ class Driver {
}
_send(url, message, callback) {
var self = this;
var r = new XMLHttpRequest();
r.open("POST", url, true);
r.setRequestHeader("Content-Type", "application/json");
r.onreadystatechange = function (e) {
r.onreadystatechange = e => {
if (r.readyState === 4) {
self.inFlightRequests--;
this.inFlightRequests--;
// Retry until successful
if (r.status !== 200) {
setTimeout(function () {
self._send(url, message);
setTimeout(() => {
this._send(url, message);
});
}
if (callback) {