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js: Use ES6 object literal shorthand syntax.

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Signed-off-by: Anders Kaseorg <anders@zulip.com>
This commit is contained in:
Anders Kaseorg
2020-07-20 13:18:43 -07:00
parent b2745f6e41
commit 96dcc0ce6e
189 changed files with 1328 additions and 1326 deletions
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32
static/js/lightbox_canvas.js
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@@ -30,7 +30,7 @@ window.onload = function () {
};
const funcs = {
setZoom: function (meta, zoom) {
setZoom(meta, zoom) {
// condition to handle zooming event by zoom hotkeys
if (zoom === "+") {
zoom = meta.zoom * 1.2;
@@ -43,7 +43,7 @@ const funcs = {
// this is a function given a canvas that attaches all of the events
// required to pan and zoom.
attachEvents: function (canvas, context, meta) {
attachEvents(canvas, context, meta) {
let mousedown = false;
// wheelEvent.deltaMode is a value that describes what the unit is
@@ -174,28 +174,28 @@ const funcs = {
// these are less reliable as preventDefault may prevent these events
// from propagating all the way to the <body>.
events.documentMouseup.push({
canvas: canvas,
meta: meta,
callback: function () {
canvas,
meta,
callback() {
mousedown = false;
},
});
events.windowResize.push({
canvas: canvas,
meta: meta,
callback: function () {
canvas,
meta,
callback() {
funcs.sizeCanvas(canvas, meta);
funcs.displayImage(canvas, context, meta);
},
});
},
imageRatio: function (image) {
imageRatio(image) {
return image.naturalWidth / image.naturalHeight;
},
displayImage: function (canvas, context, meta) {
displayImage(canvas, context, meta) {
meta.coords.x = Math.max(1 / (meta.zoom * 2), meta.coords.x);
meta.coords.x = Math.min(1 - 1 / (meta.zoom * 2), meta.coords.x);
@@ -225,7 +225,7 @@ const funcs = {
// as we can, which means that we check if having the photo width = 100%
// means that the height is less than 100% of the parent height. If so,
// then we size the photo as w = 100%, h = 100% / 1.5.
sizeCanvas: function (canvas, meta) {
sizeCanvas(canvas, meta) {
if (canvas.parentNode === null) {
return;
}
@@ -303,25 +303,25 @@ const LightboxCanvas = function (el) {
LightboxCanvas.prototype = {
// set the speed at which scrolling zooms in on a photo.
speed: function (speed) {
speed(speed) {
this.meta.speed = speed;
},
// set the max zoom of the `LightboxCanvas` canvas as a mult of the total width.
maxZoom: function (maxZoom) {
maxZoom(maxZoom) {
this.meta.maxZoom = maxZoom;
},
reverseScrollDirection: function () {
reverseScrollDirection() {
this.meta.direction = 1;
},
setZoom: function (zoom) {
setZoom(zoom) {
funcs.setZoom(this.meta, zoom);
funcs.displayImage(this.canvas, this.context, this.meta);
},
resize: function (callback) {
resize(callback) {
this.meta.onresize = callback;
},
};