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grid-end.js
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grid-end.js
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import Declaration from "../declaration.js";
import { isPureNumber } from "../utils.js";
class GridEnd extends Declaration {
/**
* Change repeating syntax for IE
*/
insert(decl, prefix, prefixes, result) {
if (prefix !== "-ms-") return super.insert(decl, prefix, prefixes);
let clonedDecl = this.clone(decl);
let startProp = decl.prop.replace(/end$/, "start");
let spanProp = prefix + decl.prop.replace(/end$/, "span");
if (decl.parent.some((i) => i.prop === spanProp)) {
return undefined;
}
clonedDecl.prop = spanProp;
if (decl.value.includes("span")) {
clonedDecl.value = decl.value.replace(/span\s/i, "");
} else {
let startDecl;
decl.parent.walkDecls(startProp, (d) => {
startDecl = d;
});
if (startDecl) {
if (isPureNumber(startDecl.value)) {
let value = Number(decl.value) - Number(startDecl.value) + "";
clonedDecl.value = value;
} else {
return undefined;
}
} else {
decl.warn(
result,
`Can not prefix ${decl.prop} (${startProp} is not found)`,
);
}
}
decl.cloneBefore(clonedDecl);
return undefined;
}
}
GridEnd.names = ["grid-row-end", "grid-column-end"];
export default GridEnd;