46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
const namedEdges = {
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start: 0,
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center: 0.5,
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end: 1,
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};
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function resolveEdge(edge, length, inset = 0) {
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let delta = 0;
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/**
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* If we have this edge defined as a preset, replace the definition
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* with the numerical value.
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*/
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if (edge in namedEdges) {
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edge = namedEdges[edge];
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}
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/**
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* Handle unit values
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*/
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if (typeof edge === "string") {
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const asNumber = parseFloat(edge);
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if (edge.endsWith("px")) {
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delta = asNumber;
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}
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else if (edge.endsWith("%")) {
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edge = asNumber / 100;
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}
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else if (edge.endsWith("vw")) {
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delta = (asNumber / 100) * document.documentElement.clientWidth;
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}
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else if (edge.endsWith("vh")) {
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delta = (asNumber / 100) * document.documentElement.clientHeight;
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}
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else {
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edge = asNumber;
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}
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}
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/**
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* If the edge is defined as a number, handle as a progress value.
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*/
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if (typeof edge === "number") {
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delta = length * edge;
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}
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return inset + delta;
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}
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export { namedEdges, resolveEdge };
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