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Hide arrow when window width is lower then given amount #21

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Hide arrow when window width is lower then given amount #21

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483c935
Implement hideUnderWidth
reinaris Nov 20, 2023
e02e4f4
Update README.md
reinaris Nov 20, 2023
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import CurvedArrow from "react-curved-arrow";
|middleY|number|Middle point Y position.|0|
|width|number|Width of the arrow and arrowhead.|8|
|color|color|Color of the arrow and arrowhead.|"black"|
|hideUnderWidth|number|Optional. if the window width is lower then hideUnderWidth, then arrow will be hidden (display none).|0|
|hideIfFoundSelector|DOM selector|Optional. if the arrow can find this selector, it will hide itself. Useful for product tours when you only want to show an arrow whenever a user hasn't performed an action yet such as opening a menu.||
|debugLine|boolean|Show debug dots and lines for fromOffset, toOffset and middle vectors.|false|
|dynamicUpdate|boolean|Automatically adjust the arrow whenever the from/to DOM elements update. Useful for dynamic content such as sliding menus or content that is within a scrolling container.|false|
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9 changes: 9 additions & 0 deletions src/CurvedArrow.js
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Expand Up @@ -42,6 +42,7 @@ class CurvedArrow extends React.PureComponent {
middleY = 0,
width = 8,
color = "black",
hideUnderWidth = 0,
hideIfFoundSelector,
debugLine = false,
dynamicUpdate = false,
Expand Down Expand Up @@ -134,6 +135,14 @@ class CurvedArrow extends React.PureComponent {
canvas.width = x_max - x_min;
canvas.height = y_max - y_min;

if (hideUnderWidth > 0) {
if (window.matchMedia(`(max-width: ${hideUnderWidth}px)`).matches) {
canvas.style.display = "none";
} else {
canvas.style.display = "inline-block";
}
}

if (zIndex) {
canvas.style.zIndex = zIndex;
}
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