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fix(svg-export): prevent duplicated viewBox attribute #66

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fix(svg-export): prevent duplicated viewBox attribute #66

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21 changes: 13 additions & 8 deletions src/index.android.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -99,14 +99,19 @@ export class DrawingPad extends DrawingPadBase {
if (!this.nativeView.isEmpty()) {
const data: string = this.nativeView.getSignatureSvg();

// Append viewbox to the svg for correct scaling
const svgHeaderRegEx = /<svg (.*) height="(\d+)" width="(\d+)"(.*)>/i;
resolve(
data.replace(
svgHeaderRegEx,
`<svg $1 viewBox="0, 0, $3, $2" height="$2" width="$3"$4>`
)
);
// Append viewbox to the svg for correct scaling (IF NEEDED)
if (data.indexOf('viewBox') === -1) {
const svgHeaderRegEx = /<svg (.*) height="(\d+)" width="(\d+)"(.*)>/i;
resolve(
data.replace(
svgHeaderRegEx,
`<svg $1 viewBox="0, 0, $3, $2" height="$2" width="$3"$4>`
)
);
} else {
resolve(data);
}

} else {
reject('DrawingPad is empty.');
}
Expand Down