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cleanup: Avoid implicit coercion

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Converting a variable to a particular type can be done explicitly (with
functions like Number() or toString()) or implicitly by relying on type
coercion (like concatenating a variable to the empty string to force
a string, or multiplying it with 1 to force a number).

As those tend to be less readable and clear, they are best avoided. So
replace the cases of string coercion we use with template strings, and
clarify the places that can be confused with number coercion.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/607
This commit is contained in:
Florian Müllner 2019-01-30 00:01:21 +01:00
parent e56d7f5021
commit e2e02c9a2f
6 changed files with 8 additions and 8 deletions
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6
js/ui/barLevel.js
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@ -105,7 +105,7 @@ var BarLevel = class {
overdriveSeparatorWidth = themeNode.get_length('-barlevel-overdrive-separator-width');
/* background bar */
cr.arc(width - barLevelBorderRadius - barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * 3 / 4, TAU * 1 / 4);
cr.arc(width - barLevelBorderRadius - barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * (3 / 4), TAU * (1 / 4));
cr.lineTo(endX, (height + barLevelHeight) / 2);
cr.lineTo(endX, (height - barLevelHeight) / 2);
cr.lineTo(width - barLevelBorderRadius - barLevelBorderWidth, (height - barLevelHeight) / 2);
@ -117,7 +117,7 @@ var BarLevel = class {
/* normal progress bar */
let x = Math.min(endX, overdriveSeparatorX - overdriveSeparatorWidth / 2);
cr.arc(barLevelBorderRadius + barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * 1 / 4, TAU * 3 / 4);
cr.arc(barLevelBorderRadius + barLevelBorderWidth, height / 2, barLevelBorderRadius, TAU * (1 / 4), TAU * (3 / 4));
cr.lineTo(x, (height - barLevelHeight) / 2);
cr.lineTo(x, (height + barLevelHeight) / 2);
cr.lineTo(barLevelBorderRadius + barLevelBorderWidth, (height + barLevelHeight) / 2);
@ -149,7 +149,7 @@ var BarLevel = class {
Clutter.cairo_set_source_color(cr, barLevelActiveColor);
else
Clutter.cairo_set_source_color(cr, barLevelOverdriveColor);
cr.arc(endX, height / 2, barLevelBorderRadius, TAU * 3 / 4, TAU * 1 / 4);
cr.arc(endX, height / 2, barLevelBorderRadius, TAU * (3 / 4), TAU * (1 / 4));
cr.lineTo(Math.floor(endX), (height + barLevelHeight) / 2);
cr.lineTo(Math.floor(endX), (height - barLevelHeight) / 2);
cr.lineTo(endX, (height - barLevelHeight) / 2);

2
js/ui/extensionSystem.js
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@ -147,7 +147,7 @@ function logExtensionError(uuid, error) {
if (!extension)
return;
let message = '' + error;
let message = `${error}`;
extension.state = ExtensionState.ERROR;
if (!extension.errors)

2
js/ui/lookingGlass.js
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@ -242,7 +242,7 @@ function objectToString(o) {
// special case this since the default is way, way too verbose
return '<js function>';
} else {
return '' + o;
return `${o}`;
}
}

2
js/ui/main.js
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@ -658,7 +658,7 @@ function _queueBeforeRedraw(workId) {
*/
function initializeDeferredWork(actor, callback, props) {
// Turn into a string so we can use as an object property
let workId = '' + (++_deferredWorkSequence);
let workId = `${(++_deferredWorkSequence)}`;
_deferredWorkData[workId] = { 'actor': actor,
'callback': callback };
actor.connect('notify::mapped', () => {

2
js/ui/shellDBus.js
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@ -65,7 +65,7 @@ var GnomeShell = class {
returnValue = '';
success = true;
} catch (e) {
returnValue = '' + e;
returnValue = `${e}`;
success = false;
}
return [success, returnValue];

2
js/ui/slider.js
View File

@ -142,7 +142,7 @@ var Slider = class extends BarLevel.BarLevel {
if (direction == Clutter.ScrollDirection.DOWN) {
delta = -SLIDER_SCROLL_STEP;
} else if (direction == Clutter.ScrollDirection.UP) {
delta = +SLIDER_SCROLL_STEP;
delta = SLIDER_SCROLL_STEP;
} else if (direction == Clutter.ScrollDirection.SMOOTH) {
let [dx, dy] = event.get_scroll_delta();
// Even though the slider is horizontal, use dy to match