Add rollup-plugin-minify-html-template-literals to node_modules
R=jacktfranklin@chromium.org
Bug: 1213034
Change-Id: I5da8225f60b53870a1c67d6b5d02a464c08f4eb2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2917088
Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org>
Reviewed-by: Jack Franklin <jacktfranklin@chromium.org>
diff --git a/node_modules/clean-css/lib/reader/apply-source-maps.js b/node_modules/clean-css/lib/reader/apply-source-maps.js
new file mode 100644
index 0000000..7c5a928
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/apply-source-maps.js
@@ -0,0 +1,245 @@
+var fs = require('fs');
+var path = require('path');
+
+var isAllowedResource = require('./is-allowed-resource');
+var matchDataUri = require('./match-data-uri');
+var rebaseLocalMap = require('./rebase-local-map');
+var rebaseRemoteMap = require('./rebase-remote-map');
+
+var Token = require('../tokenizer/token');
+var hasProtocol = require('../utils/has-protocol');
+var isDataUriResource = require('../utils/is-data-uri-resource');
+var isRemoteResource = require('../utils/is-remote-resource');
+
+var MAP_MARKER_PATTERN = /^\/\*# sourceMappingURL=(\S+) \*\/$/;
+
+function applySourceMaps(tokens, context, callback) {
+ var applyContext = {
+ callback: callback,
+ fetch: context.options.fetch,
+ index: 0,
+ inline: context.options.inline,
+ inlineRequest: context.options.inlineRequest,
+ inlineTimeout: context.options.inlineTimeout,
+ inputSourceMapTracker: context.inputSourceMapTracker,
+ localOnly: context.localOnly,
+ processedTokens: [],
+ rebaseTo: context.options.rebaseTo,
+ sourceTokens: tokens,
+ warnings: context.warnings
+ };
+
+ return context.options.sourceMap && tokens.length > 0 ?
+ doApplySourceMaps(applyContext) :
+ callback(tokens);
+}
+
+function doApplySourceMaps(applyContext) {
+ var singleSourceTokens = [];
+ var lastSource = findTokenSource(applyContext.sourceTokens[0]);
+ var source;
+ var token;
+ var l;
+
+ for (l = applyContext.sourceTokens.length; applyContext.index < l; applyContext.index++) {
+ token = applyContext.sourceTokens[applyContext.index];
+ source = findTokenSource(token);
+
+ if (source != lastSource) {
+ singleSourceTokens = [];
+ lastSource = source;
+ }
+
+ singleSourceTokens.push(token);
+ applyContext.processedTokens.push(token);
+
+ if (token[0] == Token.COMMENT && MAP_MARKER_PATTERN.test(token[1])) {
+ return fetchAndApplySourceMap(token[1], source, singleSourceTokens, applyContext);
+ }
+ }
+
+ return applyContext.callback(applyContext.processedTokens);
+}
+
+function findTokenSource(token) {
+ var scope;
+ var metadata;
+
+ if (token[0] == Token.AT_RULE || token[0] == Token.COMMENT) {
+ metadata = token[2][0];
+ } else {
+ scope = token[1][0];
+ metadata = scope[2][0];
+ }
+
+ return metadata[2];
+}
+
+function fetchAndApplySourceMap(sourceMapComment, source, singleSourceTokens, applyContext) {
+ return extractInputSourceMapFrom(sourceMapComment, applyContext, function (inputSourceMap) {
+ if (inputSourceMap) {
+ applyContext.inputSourceMapTracker.track(source, inputSourceMap);
+ applySourceMapRecursively(singleSourceTokens, applyContext.inputSourceMapTracker);
+ }
+
+ applyContext.index++;
+ return doApplySourceMaps(applyContext);
+ });
+}
+
+function extractInputSourceMapFrom(sourceMapComment, applyContext, whenSourceMapReady) {
+ var uri = MAP_MARKER_PATTERN.exec(sourceMapComment)[1];
+ var absoluteUri;
+ var sourceMap;
+ var rebasedMap;
+
+ if (isDataUriResource(uri)) {
+ sourceMap = extractInputSourceMapFromDataUri(uri);
+ return whenSourceMapReady(sourceMap);
+ } else if (isRemoteResource(uri)) {
+ return loadInputSourceMapFromRemoteUri(uri, applyContext, function (sourceMap) {
+ var parsedMap;
+
+ if (sourceMap) {
+ parsedMap = JSON.parse(sourceMap);
+ rebasedMap = rebaseRemoteMap(parsedMap, uri);
+ whenSourceMapReady(rebasedMap);
+ } else {
+ whenSourceMapReady(null);
+ }
+ });
+ } else {
+ // at this point `uri` is already rebased, see lib/reader/rebase.js#rebaseSourceMapComment
+ // it is rebased to be consistent with rebasing other URIs
+ // however here we need to resolve it back to read it from disk
+ absoluteUri = path.resolve(applyContext.rebaseTo, uri);
+ sourceMap = loadInputSourceMapFromLocalUri(absoluteUri, applyContext);
+
+ if (sourceMap) {
+ rebasedMap = rebaseLocalMap(sourceMap, absoluteUri, applyContext.rebaseTo);
+ return whenSourceMapReady(rebasedMap);
+ } else {
+ return whenSourceMapReady(null);
+ }
+ }
+}
+
+function extractInputSourceMapFromDataUri(uri) {
+ var dataUriMatch = matchDataUri(uri);
+ var charset = dataUriMatch[2] ? dataUriMatch[2].split(/[=;]/)[2] : 'us-ascii';
+ var encoding = dataUriMatch[3] ? dataUriMatch[3].split(';')[1] : 'utf8';
+ var data = encoding == 'utf8' ? global.unescape(dataUriMatch[4]) : dataUriMatch[4];
+
+ var buffer = new Buffer(data, encoding);
+ buffer.charset = charset;
+
+ return JSON.parse(buffer.toString());
+}
+
+function loadInputSourceMapFromRemoteUri(uri, applyContext, whenLoaded) {
+ var isAllowed = isAllowedResource(uri, true, applyContext.inline);
+ var isRuntimeResource = !hasProtocol(uri);
+
+ if (applyContext.localOnly) {
+ applyContext.warnings.push('Cannot fetch remote resource from "' + uri + '" as no callback given.');
+ return whenLoaded(null);
+ } else if (isRuntimeResource) {
+ applyContext.warnings.push('Cannot fetch "' + uri + '" as no protocol given.');
+ return whenLoaded(null);
+ } else if (!isAllowed) {
+ applyContext.warnings.push('Cannot fetch "' + uri + '" as resource is not allowed.');
+ return whenLoaded(null);
+ }
+
+ applyContext.fetch(uri, applyContext.inlineRequest, applyContext.inlineTimeout, function (error, body) {
+ if (error) {
+ applyContext.warnings.push('Missing source map at "' + uri + '" - ' + error);
+ return whenLoaded(null);
+ }
+
+ whenLoaded(body);
+ });
+}
+
+function loadInputSourceMapFromLocalUri(uri, applyContext) {
+ var isAllowed = isAllowedResource(uri, false, applyContext.inline);
+ var sourceMap;
+
+ if (!fs.existsSync(uri) || !fs.statSync(uri).isFile()) {
+ applyContext.warnings.push('Ignoring local source map at "' + uri + '" as resource is missing.');
+ return null;
+ } else if (!isAllowed) {
+ applyContext.warnings.push('Cannot fetch "' + uri + '" as resource is not allowed.');
+ return null;
+ }
+
+ sourceMap = fs.readFileSync(uri, 'utf-8');
+ return JSON.parse(sourceMap);
+}
+
+function applySourceMapRecursively(tokens, inputSourceMapTracker) {
+ var token;
+ var i, l;
+
+ for (i = 0, l = tokens.length; i < l; i++) {
+ token = tokens[i];
+
+ switch (token[0]) {
+ case Token.AT_RULE:
+ applySourceMapTo(token, inputSourceMapTracker);
+ break;
+ case Token.AT_RULE_BLOCK:
+ applySourceMapRecursively(token[1], inputSourceMapTracker);
+ applySourceMapRecursively(token[2], inputSourceMapTracker);
+ break;
+ case Token.AT_RULE_BLOCK_SCOPE:
+ applySourceMapTo(token, inputSourceMapTracker);
+ break;
+ case Token.NESTED_BLOCK:
+ applySourceMapRecursively(token[1], inputSourceMapTracker);
+ applySourceMapRecursively(token[2], inputSourceMapTracker);
+ break;
+ case Token.NESTED_BLOCK_SCOPE:
+ applySourceMapTo(token, inputSourceMapTracker);
+ break;
+ case Token.COMMENT:
+ applySourceMapTo(token, inputSourceMapTracker);
+ break;
+ case Token.PROPERTY:
+ applySourceMapRecursively(token, inputSourceMapTracker);
+ break;
+ case Token.PROPERTY_BLOCK:
+ applySourceMapRecursively(token[1], inputSourceMapTracker);
+ break;
+ case Token.PROPERTY_NAME:
+ applySourceMapTo(token, inputSourceMapTracker);
+ break;
+ case Token.PROPERTY_VALUE:
+ applySourceMapTo(token, inputSourceMapTracker);
+ break;
+ case Token.RULE:
+ applySourceMapRecursively(token[1], inputSourceMapTracker);
+ applySourceMapRecursively(token[2], inputSourceMapTracker);
+ break;
+ case Token.RULE_SCOPE:
+ applySourceMapTo(token, inputSourceMapTracker);
+ }
+ }
+
+ return tokens;
+}
+
+function applySourceMapTo(token, inputSourceMapTracker) {
+ var value = token[1];
+ var metadata = token[2];
+ var newMetadata = [];
+ var i, l;
+
+ for (i = 0, l = metadata.length; i < l; i++) {
+ newMetadata.push(inputSourceMapTracker.originalPositionFor(metadata[i], value.length));
+ }
+
+ token[2] = newMetadata;
+}
+
+module.exports = applySourceMaps;
diff --git a/node_modules/clean-css/lib/reader/extract-import-url-and-media.js b/node_modules/clean-css/lib/reader/extract-import-url-and-media.js
new file mode 100644
index 0000000..e309c2f
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/extract-import-url-and-media.js
@@ -0,0 +1,35 @@
+var split = require('../utils/split');
+
+var BRACE_PREFIX = /^\(/;
+var BRACE_SUFFIX = /\)$/;
+var IMPORT_PREFIX_PATTERN = /^@import/i;
+var QUOTE_PREFIX_PATTERN = /['"]\s*/;
+var QUOTE_SUFFIX_PATTERN = /\s*['"]/;
+var URL_PREFIX_PATTERN = /^url\(\s*/i;
+var URL_SUFFIX_PATTERN = /\s*\)/i;
+
+function extractImportUrlAndMedia(atRuleValue) {
+ var uri;
+ var mediaQuery;
+ var stripped;
+ var parts;
+
+ stripped = atRuleValue
+ .replace(IMPORT_PREFIX_PATTERN, '')
+ .trim()
+ .replace(URL_PREFIX_PATTERN, '(')
+ .replace(URL_SUFFIX_PATTERN, ')')
+ .replace(QUOTE_PREFIX_PATTERN, '')
+ .replace(QUOTE_SUFFIX_PATTERN, '');
+
+ parts = split(stripped, ' ');
+
+ uri = parts[0]
+ .replace(BRACE_PREFIX, '')
+ .replace(BRACE_SUFFIX, '');
+ mediaQuery = parts.slice(1).join(' ');
+
+ return [uri, mediaQuery];
+}
+
+module.exports = extractImportUrlAndMedia;
diff --git a/node_modules/clean-css/lib/reader/input-source-map-tracker.js b/node_modules/clean-css/lib/reader/input-source-map-tracker.js
new file mode 100644
index 0000000..4b8730c
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/input-source-map-tracker.js
@@ -0,0 +1,58 @@
+var SourceMapConsumer = require('source-map').SourceMapConsumer;
+
+function inputSourceMapTracker() {
+ var maps = {};
+
+ return {
+ all: all.bind(null, maps),
+ isTracking: isTracking.bind(null, maps),
+ originalPositionFor: originalPositionFor.bind(null, maps),
+ track: track.bind(null, maps)
+ };
+}
+
+function all(maps) {
+ return maps;
+}
+
+function isTracking(maps, source) {
+ return source in maps;
+}
+
+function originalPositionFor(maps, metadata, range, selectorFallbacks) {
+ var line = metadata[0];
+ var column = metadata[1];
+ var source = metadata[2];
+ var position = {
+ line: line,
+ column: column + range
+ };
+ var originalPosition;
+
+ while (!originalPosition && position.column > column) {
+ position.column--;
+ originalPosition = maps[source].originalPositionFor(position);
+ }
+
+ if (!originalPosition || originalPosition.column < 0) {
+ return metadata;
+ }
+
+ if (originalPosition.line === null && line > 1 && selectorFallbacks > 0) {
+ return originalPositionFor(maps, [line - 1, column, source], range, selectorFallbacks - 1);
+ }
+
+ return originalPosition.line !== null ?
+ toMetadata(originalPosition) :
+ metadata;
+}
+
+function toMetadata(asHash) {
+ return [asHash.line, asHash.column, asHash.source];
+}
+
+function track(maps, source, data) {
+ maps[source] = new SourceMapConsumer(data);
+}
+
+module.exports = inputSourceMapTracker;
diff --git a/node_modules/clean-css/lib/reader/is-allowed-resource.js b/node_modules/clean-css/lib/reader/is-allowed-resource.js
new file mode 100644
index 0000000..043066e
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/is-allowed-resource.js
@@ -0,0 +1,77 @@
+var path = require('path');
+var url = require('url');
+
+var isRemoteResource = require('../utils/is-remote-resource');
+var hasProtocol = require('../utils/has-protocol');
+
+var HTTP_PROTOCOL = 'http:';
+
+function isAllowedResource(uri, isRemote, rules) {
+ var match;
+ var absoluteUri;
+ var allowed = isRemote ? false : true;
+ var rule;
+ var isNegated;
+ var normalizedRule;
+ var i;
+
+ if (rules.length === 0) {
+ return false;
+ }
+
+ if (isRemote && !hasProtocol(uri)) {
+ uri = HTTP_PROTOCOL + uri;
+ }
+
+ match = isRemote ?
+ url.parse(uri).host :
+ uri;
+
+ absoluteUri = isRemote ?
+ uri :
+ path.resolve(uri);
+
+ for (i = 0; i < rules.length; i++) {
+ rule = rules[i];
+ isNegated = rule[0] == '!';
+ normalizedRule = rule.substring(1);
+
+ if (isNegated && isRemote && isRemoteRule(normalizedRule)) {
+ allowed = allowed && !isAllowedResource(uri, true, [normalizedRule]);
+ } else if (isNegated && !isRemote && !isRemoteRule(normalizedRule)) {
+ allowed = allowed && !isAllowedResource(uri, false, [normalizedRule]);
+ } else if (isNegated) {
+ allowed = allowed && true;
+ } else if (rule == 'all') {
+ allowed = true;
+ } else if (isRemote && rule == 'local') {
+ allowed = allowed || false;
+ } else if (isRemote && rule == 'remote') {
+ allowed = true;
+ } else if (!isRemote && rule == 'remote') {
+ allowed = false;
+ } else if (!isRemote && rule == 'local') {
+ allowed = true;
+ } else if (rule === match) {
+ allowed = true;
+ } else if (rule === uri) {
+ allowed = true;
+ } else if (isRemote && absoluteUri.indexOf(rule) === 0) {
+ allowed = true;
+ } else if (!isRemote && absoluteUri.indexOf(path.resolve(rule)) === 0) {
+ allowed = true;
+ } else if (isRemote != isRemoteRule(normalizedRule)) {
+ allowed = allowed && true;
+ } else {
+ allowed = false;
+ }
+ }
+
+ return allowed;
+}
+
+function isRemoteRule(rule) {
+ return isRemoteResource(rule) || url.parse(HTTP_PROTOCOL + '//' + rule).host == rule;
+}
+
+module.exports = isAllowedResource;
diff --git a/node_modules/clean-css/lib/reader/load-original-sources.js b/node_modules/clean-css/lib/reader/load-original-sources.js
new file mode 100644
index 0000000..465035d
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/load-original-sources.js
@@ -0,0 +1,126 @@
+var fs = require('fs');
+var path = require('path');
+
+var isAllowedResource = require('./is-allowed-resource');
+
+var hasProtocol = require('../utils/has-protocol');
+var isRemoteResource = require('../utils/is-remote-resource');
+
+function loadOriginalSources(context, callback) {
+ var loadContext = {
+ callback: callback,
+ fetch: context.options.fetch,
+ index: 0,
+ inline: context.options.inline,
+ inlineRequest: context.options.inlineRequest,
+ inlineTimeout: context.options.inlineTimeout,
+ localOnly: context.localOnly,
+ rebaseTo: context.options.rebaseTo,
+ sourcesContent: context.sourcesContent,
+ uriToSource: uriToSourceMapping(context.inputSourceMapTracker.all()),
+ warnings: context.warnings
+ };
+
+ return context.options.sourceMap && context.options.sourceMapInlineSources ?
+ doLoadOriginalSources(loadContext) :
+ callback();
+}
+
+function uriToSourceMapping(allSourceMapConsumers) {
+ var mapping = {};
+ var consumer;
+ var uri;
+ var source;
+ var i, l;
+
+ for (source in allSourceMapConsumers) {
+ consumer = allSourceMapConsumers[source];
+
+ for (i = 0, l = consumer.sources.length; i < l; i++) {
+ uri = consumer.sources[i];
+ source = consumer.sourceContentFor(uri, true);
+
+ mapping[uri] = source;
+ }
+ }
+
+ return mapping;
+}
+
+function doLoadOriginalSources(loadContext) {
+ var uris = Object.keys(loadContext.uriToSource);
+ var uri;
+ var source;
+ var total;
+
+ for (total = uris.length; loadContext.index < total; loadContext.index++) {
+ uri = uris[loadContext.index];
+ source = loadContext.uriToSource[uri];
+
+ if (source) {
+ loadContext.sourcesContent[uri] = source;
+ } else {
+ return loadOriginalSource(uri, loadContext);
+ }
+ }
+
+ return loadContext.callback();
+}
+
+function loadOriginalSource(uri, loadContext) {
+ var content;
+
+ if (isRemoteResource(uri)) {
+ return loadOriginalSourceFromRemoteUri(uri, loadContext, function (content) {
+ loadContext.index++;
+ loadContext.sourcesContent[uri] = content;
+ return doLoadOriginalSources(loadContext);
+ });
+ } else {
+ content = loadOriginalSourceFromLocalUri(uri, loadContext);
+ loadContext.index++;
+ loadContext.sourcesContent[uri] = content;
+ return doLoadOriginalSources(loadContext);
+ }
+}
+
+function loadOriginalSourceFromRemoteUri(uri, loadContext, whenLoaded) {
+ var isAllowed = isAllowedResource(uri, true, loadContext.inline);
+ var isRuntimeResource = !hasProtocol(uri);
+
+ if (loadContext.localOnly) {
+ loadContext.warnings.push('Cannot fetch remote resource from "' + uri + '" as no callback given.');
+ return whenLoaded(null);
+ } else if (isRuntimeResource) {
+ loadContext.warnings.push('Cannot fetch "' + uri + '" as no protocol given.');
+ return whenLoaded(null);
+ } else if (!isAllowed) {
+ loadContext.warnings.push('Cannot fetch "' + uri + '" as resource is not allowed.');
+ return whenLoaded(null);
+ }
+
+ loadContext.fetch(uri, loadContext.inlineRequest, loadContext.inlineTimeout, function (error, content) {
+ if (error) {
+ loadContext.warnings.push('Missing original source at "' + uri + '" - ' + error);
+ }
+
+ whenLoaded(content);
+ });
+}
+
+function loadOriginalSourceFromLocalUri(relativeUri, loadContext) {
+ var isAllowed = isAllowedResource(relativeUri, false, loadContext.inline);
+ var absoluteUri = path.resolve(loadContext.rebaseTo, relativeUri);
+
+ if (!fs.existsSync(absoluteUri) || !fs.statSync(absoluteUri).isFile()) {
+ loadContext.warnings.push('Ignoring local source map at "' + absoluteUri + '" as resource is missing.');
+ return null;
+ } else if (!isAllowed) {
+ loadContext.warnings.push('Cannot fetch "' + absoluteUri + '" as resource is not allowed.');
+ return null;
+ }
+
+ return fs.readFileSync(absoluteUri, 'utf8');
+}
+
+module.exports = loadOriginalSources;
diff --git a/node_modules/clean-css/lib/reader/load-remote-resource.js b/node_modules/clean-css/lib/reader/load-remote-resource.js
new file mode 100644
index 0000000..0133c78
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/load-remote-resource.js
@@ -0,0 +1,74 @@
+var http = require('http');
+var https = require('https');
+var url = require('url');
+
+var isHttpResource = require('../utils/is-http-resource');
+var isHttpsResource = require('../utils/is-https-resource');
+var override = require('../utils/override');
+
+var HTTP_PROTOCOL = 'http:';
+
+function loadRemoteResource(uri, inlineRequest, inlineTimeout, callback) {
+ var proxyProtocol = inlineRequest.protocol || inlineRequest.hostname;
+ var errorHandled = false;
+ var requestOptions;
+ var fetch;
+
+ requestOptions = override(
+ url.parse(uri),
+ inlineRequest || {}
+ );
+
+ if (inlineRequest.hostname !== undefined) {
+ // overwrite as we always expect a http proxy currently
+ requestOptions.protocol = inlineRequest.protocol || HTTP_PROTOCOL;
+ requestOptions.path = requestOptions.href;
+ }
+
+ fetch = (proxyProtocol && !isHttpsResource(proxyProtocol)) || isHttpResource(uri) ?
+ http.get :
+ https.get;
+
+ fetch(requestOptions, function (res) {
+ var chunks = [];
+ var movedUri;
+
+ if (errorHandled) {
+ return;
+ }
+
+ if (res.statusCode < 200 || res.statusCode > 399) {
+ return callback(res.statusCode, null);
+ } else if (res.statusCode > 299) {
+ movedUri = url.resolve(uri, res.headers.location);
+ return loadRemoteResource(movedUri, inlineRequest, inlineTimeout, callback);
+ }
+
+ res.on('data', function (chunk) {
+ chunks.push(chunk.toString());
+ });
+ res.on('end', function () {
+ var body = chunks.join('');
+ callback(null, body);
+ });
+ })
+ .on('error', function (res) {
+ if (errorHandled) {
+ return;
+ }
+
+ errorHandled = true;
+ callback(res.message, null);
+ })
+ .on('timeout', function () {
+ if (errorHandled) {
+ return;
+ }
+
+ errorHandled = true;
+ callback('timeout', null);
+ })
+ .setTimeout(inlineTimeout);
+}
+
+module.exports = loadRemoteResource;
diff --git a/node_modules/clean-css/lib/reader/match-data-uri.js b/node_modules/clean-css/lib/reader/match-data-uri.js
new file mode 100644
index 0000000..d0d5a4c
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/match-data-uri.js
@@ -0,0 +1,7 @@
+var DATA_URI_PATTERN = /^data:(\S*?)?(;charset=[^;]+)?(;[^,]+?)?,(.+)/;
+
+function matchDataUri(uri) {
+ return DATA_URI_PATTERN.exec(uri);
+}
+
+module.exports = matchDataUri;
diff --git a/node_modules/clean-css/lib/reader/normalize-path.js b/node_modules/clean-css/lib/reader/normalize-path.js
new file mode 100644
index 0000000..a9eca38
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/normalize-path.js
@@ -0,0 +1,8 @@
+var UNIX_SEPARATOR = '/';
+var WINDOWS_SEPARATOR_PATTERN = /\\/g;
+
+function normalizePath(path) {
+ return path.replace(WINDOWS_SEPARATOR_PATTERN, UNIX_SEPARATOR);
+}
+
+module.exports = normalizePath;
diff --git a/node_modules/clean-css/lib/reader/read-sources.js b/node_modules/clean-css/lib/reader/read-sources.js
new file mode 100644
index 0000000..1338f6a
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/read-sources.js
@@ -0,0 +1,341 @@
+var fs = require('fs');
+var path = require('path');
+
+var applySourceMaps = require('./apply-source-maps');
+var extractImportUrlAndMedia = require('./extract-import-url-and-media');
+var isAllowedResource = require('./is-allowed-resource');
+var loadOriginalSources = require('./load-original-sources');
+var normalizePath = require('./normalize-path');
+var rebase = require('./rebase');
+var rebaseLocalMap = require('./rebase-local-map');
+var rebaseRemoteMap = require('./rebase-remote-map');
+var restoreImport = require('./restore-import');
+
+var tokenize = require('../tokenizer/tokenize');
+var Token = require('../tokenizer/token');
+var Marker = require('../tokenizer/marker');
+var hasProtocol = require('../utils/has-protocol');
+var isImport = require('../utils/is-import');
+var isRemoteResource = require('../utils/is-remote-resource');
+
+var UNKNOWN_URI = 'uri:unknown';
+
+function readSources(input, context, callback) {
+ return doReadSources(input, context, function (tokens) {
+ return applySourceMaps(tokens, context, function () {
+ return loadOriginalSources(context, function () { return callback(tokens); });
+ });
+ });
+}
+
+function doReadSources(input, context, callback) {
+ if (typeof input == 'string') {
+ return fromString(input, context, callback);
+ } else if (Buffer.isBuffer(input)) {
+ return fromString(input.toString(), context, callback);
+ } else if (Array.isArray(input)) {
+ return fromArray(input, context, callback);
+ } else if (typeof input == 'object') {
+ return fromHash(input, context, callback);
+ }
+}
+
+function fromString(input, context, callback) {
+ context.source = undefined;
+ context.sourcesContent[undefined] = input;
+ context.stats.originalSize += input.length;
+
+ return fromStyles(input, context, { inline: context.options.inline }, callback);
+}
+
+function fromArray(input, context, callback) {
+ var inputAsImports = input.reduce(function (accumulator, uriOrHash) {
+ if (typeof uriOrHash === 'string') {
+ return addStringSource(uriOrHash, accumulator);
+ } else {
+ return addHashSource(uriOrHash, context, accumulator);
+ }
+
+ }, []);
+
+ return fromStyles(inputAsImports.join(''), context, { inline: ['all'] }, callback);
+}
+
+function fromHash(input, context, callback) {
+ var inputAsImports = addHashSource(input, context, []);
+ return fromStyles(inputAsImports.join(''), context, { inline: ['all'] }, callback);
+}
+
+function addStringSource(input, imports) {
+ imports.push(restoreAsImport(normalizeUri(input)));
+ return imports;
+}
+
+function addHashSource(input, context, imports) {
+ var uri;
+ var normalizedUri;
+ var source;
+
+ for (uri in input) {
+ source = input[uri];
+ normalizedUri = normalizeUri(uri);
+
+ imports.push(restoreAsImport(normalizedUri));
+
+ context.sourcesContent[normalizedUri] = source.styles;
+
+ if (source.sourceMap) {
+ trackSourceMap(source.sourceMap, normalizedUri, context);
+ }
+ }
+
+ return imports;
+}
+
+function normalizeUri(uri) {
+ var currentPath = path.resolve('');
+ var absoluteUri;
+ var relativeToCurrentPath;
+ var normalizedUri;
+
+ if (isRemoteResource(uri)) {
+ return uri;
+ }
+
+ absoluteUri = path.isAbsolute(uri) ?
+ uri :
+ path.resolve(uri);
+ relativeToCurrentPath = path.relative(currentPath, absoluteUri);
+ normalizedUri = normalizePath(relativeToCurrentPath);
+
+ return normalizedUri;
+}
+
+function trackSourceMap(sourceMap, uri, context) {
+ var parsedMap = typeof sourceMap == 'string' ?
+ JSON.parse(sourceMap) :
+ sourceMap;
+ var rebasedMap = isRemoteResource(uri) ?
+ rebaseRemoteMap(parsedMap, uri) :
+ rebaseLocalMap(parsedMap, uri || UNKNOWN_URI, context.options.rebaseTo);
+
+ context.inputSourceMapTracker.track(uri, rebasedMap);
+}
+
+function restoreAsImport(uri) {
+ return restoreImport('url(' + uri + ')', '') + Marker.SEMICOLON;
+}
+
+function fromStyles(styles, context, parentInlinerContext, callback) {
+ var tokens;
+ var rebaseConfig = {};
+
+ if (!context.source) {
+ rebaseConfig.fromBase = path.resolve('');
+ rebaseConfig.toBase = context.options.rebaseTo;
+ } else if (isRemoteResource(context.source)) {
+ rebaseConfig.fromBase = context.source;
+ rebaseConfig.toBase = context.source;
+ } else if (path.isAbsolute(context.source)) {
+ rebaseConfig.fromBase = path.dirname(context.source);
+ rebaseConfig.toBase = context.options.rebaseTo;
+ } else {
+ rebaseConfig.fromBase = path.dirname(path.resolve(context.source));
+ rebaseConfig.toBase = context.options.rebaseTo;
+ }
+
+ tokens = tokenize(styles, context);
+ tokens = rebase(tokens, context.options.rebase, context.validator, rebaseConfig);
+
+ return allowsAnyImports(parentInlinerContext.inline) ?
+ inline(tokens, context, parentInlinerContext, callback) :
+ callback(tokens);
+}
+
+function allowsAnyImports(inline) {
+ return !(inline.length == 1 && inline[0] == 'none');
+}
+
+function inline(tokens, externalContext, parentInlinerContext, callback) {
+ var inlinerContext = {
+ afterContent: false,
+ callback: callback,
+ errors: externalContext.errors,
+ externalContext: externalContext,
+ fetch: externalContext.options.fetch,
+ inlinedStylesheets: parentInlinerContext.inlinedStylesheets || externalContext.inlinedStylesheets,
+ inline: parentInlinerContext.inline,
+ inlineRequest: externalContext.options.inlineRequest,
+ inlineTimeout: externalContext.options.inlineTimeout,
+ isRemote: parentInlinerContext.isRemote || false,
+ localOnly: externalContext.localOnly,
+ outputTokens: [],
+ rebaseTo: externalContext.options.rebaseTo,
+ sourceTokens: tokens,
+ warnings: externalContext.warnings
+ };
+
+ return doInlineImports(inlinerContext);
+}
+
+function doInlineImports(inlinerContext) {
+ var token;
+ var i, l;
+
+ for (i = 0, l = inlinerContext.sourceTokens.length; i < l; i++) {
+ token = inlinerContext.sourceTokens[i];
+
+ if (token[0] == Token.AT_RULE && isImport(token[1])) {
+ inlinerContext.sourceTokens.splice(0, i);
+ return inlineStylesheet(token, inlinerContext);
+ } else if (token[0] == Token.AT_RULE || token[0] == Token.COMMENT) {
+ inlinerContext.outputTokens.push(token);
+ } else {
+ inlinerContext.outputTokens.push(token);
+ inlinerContext.afterContent = true;
+ }
+ }
+
+ inlinerContext.sourceTokens = [];
+ return inlinerContext.callback(inlinerContext.outputTokens);
+}
+
+function inlineStylesheet(token, inlinerContext) {
+ var uriAndMediaQuery = extractImportUrlAndMedia(token[1]);
+ var uri = uriAndMediaQuery[0];
+ var mediaQuery = uriAndMediaQuery[1];
+ var metadata = token[2];
+
+ return isRemoteResource(uri) ?
+ inlineRemoteStylesheet(uri, mediaQuery, metadata, inlinerContext) :
+ inlineLocalStylesheet(uri, mediaQuery, metadata, inlinerContext);
+}
+
+function inlineRemoteStylesheet(uri, mediaQuery, metadata, inlinerContext) {
+ var isAllowed = isAllowedResource(uri, true, inlinerContext.inline);
+ var originalUri = uri;
+ var isLoaded = uri in inlinerContext.externalContext.sourcesContent;
+ var isRuntimeResource = !hasProtocol(uri);
+
+ if (inlinerContext.inlinedStylesheets.indexOf(uri) > -1) {
+ inlinerContext.warnings.push('Ignoring remote @import of "' + uri + '" as it has already been imported.');
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+ return doInlineImports(inlinerContext);
+ } else if (inlinerContext.localOnly && inlinerContext.afterContent) {
+ inlinerContext.warnings.push('Ignoring remote @import of "' + uri + '" as no callback given and after other content.');
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+ return doInlineImports(inlinerContext);
+ } else if (isRuntimeResource) {
+ inlinerContext.warnings.push('Skipping remote @import of "' + uri + '" as no protocol given.');
+ inlinerContext.outputTokens = inlinerContext.outputTokens.concat(inlinerContext.sourceTokens.slice(0, 1));
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+ return doInlineImports(inlinerContext);
+ } else if (inlinerContext.localOnly && !isLoaded) {
+ inlinerContext.warnings.push('Skipping remote @import of "' + uri + '" as no callback given.');
+ inlinerContext.outputTokens = inlinerContext.outputTokens.concat(inlinerContext.sourceTokens.slice(0, 1));
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+ return doInlineImports(inlinerContext);
+ } else if (!isAllowed && inlinerContext.afterContent) {
+ inlinerContext.warnings.push('Ignoring remote @import of "' + uri + '" as resource is not allowed and after other content.');
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+ return doInlineImports(inlinerContext);
+ } else if (!isAllowed) {
+ inlinerContext.warnings.push('Skipping remote @import of "' + uri + '" as resource is not allowed.');
+ inlinerContext.outputTokens = inlinerContext.outputTokens.concat(inlinerContext.sourceTokens.slice(0, 1));
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+ return doInlineImports(inlinerContext);
+ }
+
+ inlinerContext.inlinedStylesheets.push(uri);
+
+ function whenLoaded(error, importedStyles) {
+ if (error) {
+ inlinerContext.errors.push('Broken @import declaration of "' + uri + '" - ' + error);
+
+ return process.nextTick(function () {
+ inlinerContext.outputTokens = inlinerContext.outputTokens.concat(inlinerContext.sourceTokens.slice(0, 1));
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+ doInlineImports(inlinerContext);
+ });
+ }
+
+ inlinerContext.inline = inlinerContext.externalContext.options.inline;
+ inlinerContext.isRemote = true;
+
+ inlinerContext.externalContext.source = originalUri;
+ inlinerContext.externalContext.sourcesContent[uri] = importedStyles;
+ inlinerContext.externalContext.stats.originalSize += importedStyles.length;
+
+ return fromStyles(importedStyles, inlinerContext.externalContext, inlinerContext, function (importedTokens) {
+ importedTokens = wrapInMedia(importedTokens, mediaQuery, metadata);
+
+ inlinerContext.outputTokens = inlinerContext.outputTokens.concat(importedTokens);
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+
+ return doInlineImports(inlinerContext);
+ });
+ }
+
+ return isLoaded ?
+ whenLoaded(null, inlinerContext.externalContext.sourcesContent[uri]) :
+ inlinerContext.fetch(uri, inlinerContext.inlineRequest, inlinerContext.inlineTimeout, whenLoaded);
+}
+
+function inlineLocalStylesheet(uri, mediaQuery, metadata, inlinerContext) {
+ var currentPath = path.resolve('');
+ var absoluteUri = path.isAbsolute(uri) ?
+ path.resolve(currentPath, uri[0] == '/' ? uri.substring(1) : uri) :
+ path.resolve(inlinerContext.rebaseTo, uri);
+ var relativeToCurrentPath = path.relative(currentPath, absoluteUri);
+ var importedStyles;
+ var isAllowed = isAllowedResource(uri, false, inlinerContext.inline);
+ var normalizedPath = normalizePath(relativeToCurrentPath);
+ var isLoaded = normalizedPath in inlinerContext.externalContext.sourcesContent;
+
+ if (inlinerContext.inlinedStylesheets.indexOf(absoluteUri) > -1) {
+ inlinerContext.warnings.push('Ignoring local @import of "' + uri + '" as it has already been imported.');
+ } else if (!isLoaded && (!fs.existsSync(absoluteUri) || !fs.statSync(absoluteUri).isFile())) {
+ inlinerContext.errors.push('Ignoring local @import of "' + uri + '" as resource is missing.');
+ } else if (!isAllowed && inlinerContext.afterContent) {
+ inlinerContext.warnings.push('Ignoring local @import of "' + uri + '" as resource is not allowed and after other content.');
+ } else if (inlinerContext.afterContent) {
+ inlinerContext.warnings.push('Ignoring local @import of "' + uri + '" as after other content.');
+ } else if (!isAllowed) {
+ inlinerContext.warnings.push('Skipping local @import of "' + uri + '" as resource is not allowed.');
+ inlinerContext.outputTokens = inlinerContext.outputTokens.concat(inlinerContext.sourceTokens.slice(0, 1));
+ } else {
+ importedStyles = isLoaded ?
+ inlinerContext.externalContext.sourcesContent[normalizedPath] :
+ fs.readFileSync(absoluteUri, 'utf-8');
+
+ inlinerContext.inlinedStylesheets.push(absoluteUri);
+ inlinerContext.inline = inlinerContext.externalContext.options.inline;
+
+ inlinerContext.externalContext.source = normalizedPath;
+ inlinerContext.externalContext.sourcesContent[normalizedPath] = importedStyles;
+ inlinerContext.externalContext.stats.originalSize += importedStyles.length;
+
+ return fromStyles(importedStyles, inlinerContext.externalContext, inlinerContext, function (importedTokens) {
+ importedTokens = wrapInMedia(importedTokens, mediaQuery, metadata);
+
+ inlinerContext.outputTokens = inlinerContext.outputTokens.concat(importedTokens);
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+
+ return doInlineImports(inlinerContext);
+ });
+ }
+
+ inlinerContext.sourceTokens = inlinerContext.sourceTokens.slice(1);
+
+ return doInlineImports(inlinerContext);
+}
+
+function wrapInMedia(tokens, mediaQuery, metadata) {
+ if (mediaQuery) {
+ return [[Token.NESTED_BLOCK, [[Token.NESTED_BLOCK_SCOPE, '@media ' + mediaQuery, metadata]], tokens]];
+ } else {
+ return tokens;
+ }
+}
+
+module.exports = readSources;
diff --git a/node_modules/clean-css/lib/reader/rebase-local-map.js b/node_modules/clean-css/lib/reader/rebase-local-map.js
new file mode 100644
index 0000000..aec8d23
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/rebase-local-map.js
@@ -0,0 +1,15 @@
+var path = require('path');
+
+function rebaseLocalMap(sourceMap, sourceUri, rebaseTo) {
+ var currentPath = path.resolve('');
+ var absoluteUri = path.resolve(currentPath, sourceUri);
+ var absoluteUriDirectory = path.dirname(absoluteUri);
+
+ sourceMap.sources = sourceMap.sources.map(function(source) {
+ return path.relative(rebaseTo, path.resolve(absoluteUriDirectory, source));
+ });
+
+ return sourceMap;
+}
+
+module.exports = rebaseLocalMap;
diff --git a/node_modules/clean-css/lib/reader/rebase-remote-map.js b/node_modules/clean-css/lib/reader/rebase-remote-map.js
new file mode 100644
index 0000000..7b6bb7a
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/rebase-remote-map.js
@@ -0,0 +1,14 @@
+var path = require('path');
+var url = require('url');
+
+function rebaseRemoteMap(sourceMap, sourceUri) {
+ var sourceDirectory = path.dirname(sourceUri);
+
+ sourceMap.sources = sourceMap.sources.map(function(source) {
+ return url.resolve(sourceDirectory, source);
+ });
+
+ return sourceMap;
+}
+
+module.exports = rebaseRemoteMap;
diff --git a/node_modules/clean-css/lib/reader/rebase.js b/node_modules/clean-css/lib/reader/rebase.js
new file mode 100644
index 0000000..181b319
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/rebase.js
@@ -0,0 +1,101 @@
+var extractImportUrlAndMedia = require('./extract-import-url-and-media');
+var restoreImport = require('./restore-import');
+var rewriteUrl = require('./rewrite-url');
+
+var Token = require('../tokenizer/token');
+var isImport = require('../utils/is-import');
+
+var SOURCE_MAP_COMMENT_PATTERN = /^\/\*# sourceMappingURL=(\S+) \*\/$/;
+
+function rebase(tokens, rebaseAll, validator, rebaseConfig) {
+ return rebaseAll ?
+ rebaseEverything(tokens, validator, rebaseConfig) :
+ rebaseAtRules(tokens, validator, rebaseConfig);
+}
+
+function rebaseEverything(tokens, validator, rebaseConfig) {
+ var token;
+ var i, l;
+
+ for (i = 0, l = tokens.length; i < l; i++) {
+ token = tokens[i];
+
+ switch (token[0]) {
+ case Token.AT_RULE:
+ rebaseAtRule(token, validator, rebaseConfig);
+ break;
+ case Token.AT_RULE_BLOCK:
+ rebaseProperties(token[2], validator, rebaseConfig);
+ break;
+ case Token.COMMENT:
+ rebaseSourceMapComment(token, rebaseConfig);
+ break;
+ case Token.NESTED_BLOCK:
+ rebaseEverything(token[2], validator, rebaseConfig);
+ break;
+ case Token.RULE:
+ rebaseProperties(token[2], validator, rebaseConfig);
+ break;
+ }
+ }
+
+ return tokens;
+}
+
+function rebaseAtRules(tokens, validator, rebaseConfig) {
+ var token;
+ var i, l;
+
+ for (i = 0, l = tokens.length; i < l; i++) {
+ token = tokens[i];
+
+ switch (token[0]) {
+ case Token.AT_RULE:
+ rebaseAtRule(token, validator, rebaseConfig);
+ break;
+ }
+ }
+
+ return tokens;
+}
+
+function rebaseAtRule(token, validator, rebaseConfig) {
+ if (!isImport(token[1])) {
+ return;
+ }
+
+ var uriAndMediaQuery = extractImportUrlAndMedia(token[1]);
+ var newUrl = rewriteUrl(uriAndMediaQuery[0], rebaseConfig);
+ var mediaQuery = uriAndMediaQuery[1];
+
+ token[1] = restoreImport(newUrl, mediaQuery);
+}
+
+function rebaseSourceMapComment(token, rebaseConfig) {
+ var matches = SOURCE_MAP_COMMENT_PATTERN.exec(token[1]);
+
+ if (matches && matches[1].indexOf('data:') === -1) {
+ token[1] = token[1].replace(matches[1], rewriteUrl(matches[1], rebaseConfig, true));
+ }
+}
+
+function rebaseProperties(properties, validator, rebaseConfig) {
+ var property;
+ var value;
+ var i, l;
+ var j, m;
+
+ for (i = 0, l = properties.length; i < l; i++) {
+ property = properties[i];
+
+ for (j = 2 /* 0 is Token.PROPERTY, 1 is name */, m = property.length; j < m; j++) {
+ value = property[j][1];
+
+ if (validator.isUrl(value)) {
+ property[j][1] = rewriteUrl(value, rebaseConfig);
+ }
+ }
+ }
+}
+
+module.exports = rebase;
diff --git a/node_modules/clean-css/lib/reader/restore-import.js b/node_modules/clean-css/lib/reader/restore-import.js
new file mode 100644
index 0000000..5bdbd92
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/restore-import.js
@@ -0,0 +1,5 @@
+function restoreImport(uri, mediaQuery) {
+ return ('@import ' + uri + ' ' + mediaQuery).trim();
+}
+
+module.exports = restoreImport;
diff --git a/node_modules/clean-css/lib/reader/rewrite-url.js b/node_modules/clean-css/lib/reader/rewrite-url.js
new file mode 100644
index 0000000..a4793fd
--- /dev/null
+++ b/node_modules/clean-css/lib/reader/rewrite-url.js
@@ -0,0 +1,118 @@
+var path = require('path');
+var url = require('url');
+
+var DOUBLE_QUOTE = '"';
+var SINGLE_QUOTE = '\'';
+var URL_PREFIX = 'url(';
+var URL_SUFFIX = ')';
+
+var QUOTE_PREFIX_PATTERN = /^["']/;
+var QUOTE_SUFFIX_PATTERN = /["']$/;
+var ROUND_BRACKETS_PATTERN = /[\(\)]/;
+var URL_PREFIX_PATTERN = /^url\(/i;
+var URL_SUFFIX_PATTERN = /\)$/;
+var WHITESPACE_PATTERN = /\s/;
+
+var isWindows = process.platform == 'win32';
+
+function rebase(uri, rebaseConfig) {
+ if (!rebaseConfig) {
+ return uri;
+ }
+
+ if (isAbsolute(uri) && !isRemote(rebaseConfig.toBase)) {
+ return uri;
+ }
+
+ if (isRemote(uri) || isSVGMarker(uri) || isInternal(uri)) {
+ return uri;
+ }
+
+ if (isData(uri)) {
+ return '\'' + uri + '\'';
+ }
+
+ if (isRemote(rebaseConfig.toBase)) {
+ return url.resolve(rebaseConfig.toBase, uri);
+ }
+
+ return rebaseConfig.absolute ?
+ normalize(absolute(uri, rebaseConfig)) :
+ normalize(relative(uri, rebaseConfig));
+}
+
+function isAbsolute(uri) {
+ return path.isAbsolute(uri);
+}
+
+function isSVGMarker(uri) {
+ return uri[0] == '#';
+}
+
+function isInternal(uri) {
+ return /^\w+:\w+/.test(uri);
+}
+
+function isRemote(uri) {
+ return /^[^:]+?:\/\//.test(uri) || uri.indexOf('//') === 0;
+}
+
+function isData(uri) {
+ return uri.indexOf('data:') === 0;
+}
+
+function absolute(uri, rebaseConfig) {
+ return path
+ .resolve(path.join(rebaseConfig.fromBase || '', uri))
+ .replace(rebaseConfig.toBase, '');
+}
+
+function relative(uri, rebaseConfig) {
+ return path.relative(rebaseConfig.toBase, path.join(rebaseConfig.fromBase || '', uri));
+}
+
+function normalize(uri) {
+ return isWindows ? uri.replace(/\\/g, '/') : uri;
+}
+
+function quoteFor(unquotedUrl) {
+ if (unquotedUrl.indexOf(SINGLE_QUOTE) > -1) {
+ return DOUBLE_QUOTE;
+ } else if (unquotedUrl.indexOf(DOUBLE_QUOTE) > -1) {
+ return SINGLE_QUOTE;
+ } else if (hasWhitespace(unquotedUrl) || hasRoundBrackets(unquotedUrl)) {
+ return SINGLE_QUOTE;
+ } else {
+ return '';
+ }
+}
+
+function hasWhitespace(url) {
+ return WHITESPACE_PATTERN.test(url);
+}
+
+function hasRoundBrackets(url) {
+ return ROUND_BRACKETS_PATTERN.test(url);
+}
+
+function rewriteUrl(originalUrl, rebaseConfig, pathOnly) {
+ var strippedUrl = originalUrl
+ .replace(URL_PREFIX_PATTERN, '')
+ .replace(URL_SUFFIX_PATTERN, '')
+ .trim();
+
+ var unquotedUrl = strippedUrl
+ .replace(QUOTE_PREFIX_PATTERN, '')
+ .replace(QUOTE_SUFFIX_PATTERN, '')
+ .trim();
+
+ var quote = strippedUrl[0] == SINGLE_QUOTE || strippedUrl[0] == DOUBLE_QUOTE ?
+ strippedUrl[0] :
+ quoteFor(unquotedUrl);
+
+ return pathOnly ?
+ rebase(unquotedUrl, rebaseConfig) :
+ URL_PREFIX + quote + rebase(unquotedUrl, rebaseConfig) + quote + URL_SUFFIX;
+}
+
+module.exports = rewriteUrl;