61 lines
2.1 KiB
JavaScript
61 lines
2.1 KiB
JavaScript
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var LessError = require('./less-error'),
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transformTree = require("./transform-tree"),
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logger = require("./logger");
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module.exports = function(SourceMapBuilder) {
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var ParseTree = function(root, imports) {
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this.root = root;
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this.imports = imports;
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};
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ParseTree.prototype.toCSS = function(options) {
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var evaldRoot, result = {}, sourceMapBuilder;
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try {
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evaldRoot = transformTree(this.root, options);
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} catch (e) {
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throw new LessError(e, this.imports);
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}
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try {
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var compress = Boolean(options.compress);
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if (compress) {
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logger.warn("The compress option has been deprecated. We recommend you use a dedicated css minifier, for instance see less-plugin-clean-css.");
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}
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var toCSSOptions = {
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compress: compress,
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dumpLineNumbers: options.dumpLineNumbers,
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strictUnits: Boolean(options.strictUnits),
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numPrecision: 8};
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if (options.sourceMap) {
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sourceMapBuilder = new SourceMapBuilder(options.sourceMap);
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result.css = sourceMapBuilder.toCSS(evaldRoot, toCSSOptions, this.imports);
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} else {
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result.css = evaldRoot.toCSS(toCSSOptions);
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}
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} catch (e) {
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throw new LessError(e, this.imports);
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}
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if (options.pluginManager) {
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var postProcessors = options.pluginManager.getPostProcessors();
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for (var i = 0; i < postProcessors.length; i++) {
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result.css = postProcessors[i].process(result.css, { sourceMap: sourceMapBuilder, options: options, imports: this.imports });
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}
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}
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if (options.sourceMap) {
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result.map = sourceMapBuilder.getExternalSourceMap();
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}
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result.imports = [];
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for (var file in this.imports.files) {
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if (this.imports.files.hasOwnProperty(file) && file !== this.imports.rootFilename) {
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result.imports.push(file);
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}
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}
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return result;
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};
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return ParseTree;
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};
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