82 lines
2.9 KiB
JavaScript
82 lines
2.9 KiB
JavaScript
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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const postcss = require('postcss');
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const trim_1 = __importDefault(require("./stylePlugins/trim"));
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const scoped_1 = __importDefault(require("./stylePlugins/scoped"));
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const styleProcessors_1 = require("./styleProcessors");
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function compileStyle(options) {
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return doCompileStyle(Object.assign({}, options, { isAsync: false }));
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}
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exports.compileStyle = compileStyle;
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function compileStyleAsync(options) {
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return Promise.resolve(doCompileStyle(Object.assign({}, options, { isAsync: true })));
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}
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exports.compileStyleAsync = compileStyleAsync;
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function doCompileStyle(options) {
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const { filename, id, scoped = true, trim = true, preprocessLang, postcssOptions, postcssPlugins } = options;
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const preprocessor = preprocessLang && styleProcessors_1.processors[preprocessLang];
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const preProcessedSource = preprocessor && preprocess(options, preprocessor);
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const map = preProcessedSource ? preProcessedSource.map : options.map;
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const source = preProcessedSource ? preProcessedSource.code : options.source;
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const plugins = (postcssPlugins || []).slice();
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if (trim) {
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plugins.push(trim_1.default());
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}
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if (scoped) {
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plugins.push(scoped_1.default(id));
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}
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const postCSSOptions = Object.assign({}, postcssOptions, { to: filename, from: filename });
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if (map) {
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postCSSOptions.map = {
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inline: false,
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annotation: false,
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prev: map
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};
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}
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let result, code, outMap;
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const errors = [];
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if (preProcessedSource && preProcessedSource.errors.length) {
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errors.push(...preProcessedSource.errors);
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}
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try {
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result = postcss(plugins).process(source, postCSSOptions);
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// In async mode, return a promise.
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if (options.isAsync) {
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return result
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.then((result) => ({
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code: result.css || '',
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map: result.map && result.map.toJSON(),
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errors,
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rawResult: result
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}))
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.catch((error) => ({
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code: '',
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map: undefined,
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errors: [...errors, error.message],
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rawResult: undefined
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}));
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}
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// force synchronous transform (we know we only have sync plugins)
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code = result.css;
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outMap = result.map;
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}
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catch (e) {
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errors.push(e);
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}
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return {
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code: code || ``,
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map: outMap && outMap.toJSON(),
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errors,
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rawResult: result
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};
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}
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exports.doCompileStyle = doCompileStyle;
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function preprocess(options, preprocessor) {
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return preprocessor.render(options.source, options.map, Object.assign({
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filename: options.filename
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}, options.preprocessOptions));
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}
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