27 lines
998 B
JavaScript
Executable File
27 lines
998 B
JavaScript
Executable File
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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Object.defineProperty(exports, "backgroundSize", {
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enumerable: true,
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get: function() {
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return backgroundSize;
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}
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});
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const _dataTypes = require("./dataTypes");
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const _splitAtTopLevelOnly = require("./splitAtTopLevelOnly");
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function backgroundSize(value) {
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let keywordValues = [
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"cover",
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"contain"
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];
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// the <length-percentage> type will probably be a css function
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// so we have to use `splitAtTopLevelOnly`
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return (0, _splitAtTopLevelOnly.splitAtTopLevelOnly)(value, ",").every((part)=>{
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let sizes = (0, _splitAtTopLevelOnly.splitAtTopLevelOnly)(part, "_").filter(Boolean);
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if (sizes.length === 1 && keywordValues.includes(sizes[0])) return true;
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if (sizes.length !== 1 && sizes.length !== 2) return false;
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return sizes.every((size)=>(0, _dataTypes.length)(size) || (0, _dataTypes.percentage)(size) || size === "auto");
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});
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}
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