63 lines
1.5 KiB
JavaScript
63 lines
1.5 KiB
JavaScript
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"use strict";
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var cssesc = require("cssesc");
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var stringify;
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function escape(str, stringType) {
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return cssesc(str, {
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quotes: stringType === "\"" ? "double" : "single"
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});
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}
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function stringifyWithoutBeforeAfter(tree) {
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switch(tree.type) {
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case "values":
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return tree.nodes.map(stringify).join(",");
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case "value":
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return tree.nodes.map(stringify).join("");
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case "item":
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return tree.name;
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case "nested-item":
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return tree.name + "(" + tree.nodes.map(stringify).join(",") + ")";
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case "invalid":
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return tree.value;
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case "comment":
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return "/*" + tree.content + "*/";
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case "string":
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switch(tree.stringType) {
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case "'":
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return "'" + escape(tree.value, "'") + "'";
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case "\"":
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return "\"" + escape(tree.value, "\"") + "\"";
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}
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/* istanbul ignore next */
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throw new Error("Invalid stringType");
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case "url":
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var start = "url(" + (tree.innerSpacingBefore || "");
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var end = (tree.innerSpacingAfter || "") + ")";
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switch(tree.stringType) {
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case "'":
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return start + "'" + tree.url.replace(/(\\)/g, "\\$1").replace(/'/g, "\\'") + "'" + end;
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case "\"":
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return start + "\"" + tree.url.replace(/(\\)/g, "\\$1").replace(/"/g, "\\\"") + "\"" + end;
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default:
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return start + tree.url.replace(/("|'|\)|\\)/g, "\\$1") + end;
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}
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}
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}
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stringify = function stringify(tree) {
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var str = stringifyWithoutBeforeAfter(tree);
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if(tree.before) {
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str = tree.before + str;
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}
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if(tree.after) {
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str = str + tree.after;
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}
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return str;
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};
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module.exports = stringify;
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