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fix

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This commit is contained in:
Aakansha Doshi 2023-03-14 20:43:51 +05:30
parent 15f19835fe
commit 54bf3d9092
1 changed files with 8 additions and 4 deletions
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12
src/element/textElement.ts
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@ -293,6 +293,11 @@ export const getLineHeight = (font: FontString) => {
let canvas: HTMLCanvasElement | undefined; let canvas: HTMLCanvasElement | undefined;
// since in test env the canvas measureText algo
// doesn't measure text and instead just returns number of
// characters hence we assume that each letter is 10px
const DUMMY_CHAR_WIDTH = 10;
const getLineWidth = (text: string, font: FontString) => { const getLineWidth = (text: string, font: FontString) => {
if (!canvas) { if (!canvas) {
canvas = document.createElement("canvas"); canvas = document.createElement("canvas");
@ -301,12 +306,11 @@ const getLineWidth = (text: string, font: FontString) => {
canvas2dContext.font = font; canvas2dContext.font = font;
const width = canvas2dContext.measureText(text).width; const width = canvas2dContext.measureText(text).width;
// since in test env the canvas measureText algo /* istanbul ignore else */
// doesn't measure text and instead just returns number of
// characters hence we assume that each letteris 10px
if (isTestEnv()) { if (isTestEnv()) {
return width * 10; return width * DUMMY_CHAR_WIDTH;
} }
/* istanbul ignore next */
return width; return width;
}; };