waveterm/xterm.js
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Remove var usage from Viewport

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Part of #335
This commit is contained in:
Daniel Imms
2017-01-03 11:26:59 -08:00
parent 1fbd3c8f65
commit d2ef19dffe
1 changed files with 7 additions and 7 deletions
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src/Viewport.ts
+7 -7
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@@ -46,13 +46,13 @@ export class Viewport {
private refresh(charSize?: ClientRect): void {
var size = charSize || this.charMeasureElement.getBoundingClientRect();
if (size.height > 0) {
var rowHeightChanged = size.height !== this.currentRowHeight;
const rowHeightChanged = size.height !== this.currentRowHeight;
if (rowHeightChanged) {
this.currentRowHeight = size.height;
this.viewportElement.style.lineHeight = size.height + 'px';
this.terminal.rowContainer.style.lineHeight = size.height + 'px';
}
var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;
const viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;
if (rowHeightChanged || viewportHeightChanged) {
this.lastRecordedViewportHeight = this.terminal.rows;
this.viewportElement.style.height = size.height * this.terminal.rows + 'px';
@@ -74,14 +74,14 @@ export class Viewport {
this.refresh();
} else {
// If size has changed, refresh viewport
var size = this.charMeasureElement.getBoundingClientRect();
const size = this.charMeasureElement.getBoundingClientRect();
if (size.height !== this.currentRowHeight) {
this.refresh(size);
}
}
// Sync scrollTop
var scrollTop = this.terminal.ydisp * this.currentRowHeight;
const scrollTop = this.terminal.ydisp * this.currentRowHeight;
if (this.viewportElement.scrollTop !== scrollTop) {
this.viewportElement.scrollTop = scrollTop;
}
@@ -93,8 +93,8 @@ export class Viewport {
* @param ev The scroll event.
*/
private onScroll(ev: Event) {
var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
var diff = newRow - this.terminal.ydisp;
const newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
const diff = newRow - this.terminal.ydisp;
this.terminal.scrollDisp(diff, true);
}
@@ -110,7 +110,7 @@ export class Viewport {
return;
}
// Fallback to WheelEvent.DOM_DELTA_PIXEL
var multiplier = 1;
let multiplier = 1;
if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {
multiplier = this.currentRowHeight;
} else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {