| 1 | const parse = require("tns-core-modules/css").parse;
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| 2 | const nl = "\n";
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| 3 |
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| 4 | module.exports = function(content) {
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| 5 | const ast = parse(content);
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| 6 | const dependencies = getImportsFrom(ast)
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| 7 | .map(mapURI)
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| 8 | .reduce((dependencies, {uri, requireURI}) =>
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| 9 | dependencies + `global.registerModule(${uri}, () => require(${requireURI}));${nl}`, "");
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| 10 |
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| 11 | const str = JSON.stringify(ast, (k, v) => k === "position" ? undefined : v);
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| 12 | return `${dependencies}module.exports = ${str};`;
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| 13 | }
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| 14 |
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| 15 | function getImportsFrom(ast) {
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| 16 | if (!ast || ast.type !== "stylesheet" || !ast.stylesheet) {
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| 17 | return [];
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| 18 | }
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| 19 | return ast.stylesheet.rules
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| 20 | .filter(rule => rule.type === "import")
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| 21 | .map(importRule => importRule.import.replace(/[\'\"]/gm, ""));
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| 22 | }
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| 23 |
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| 24 | function mapURI(uri) {
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| 25 | return {
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| 26 | uri: JSON.stringify(uri),
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| 27 | requireURI: JSON.stringify(uri[0] === "~" && uri[1] !== "/" ? uri.substr(1) : uri)
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| 28 | };
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| 29 | }
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