first commit
This commit is contained in:
monjack
344
app_vue/node_modules/clean-css/lib/reader/read-sources.js
generated
vendored
Normal file
344
app_vue/node_modules/clean-css/lib/reader/read-sources.js
generated
vendored
Normal file
@ -0,0 +1,344 @@
|
||||
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';
|
||||
var FILE_RESOURCE_PROTOCOL = 'file://';
|
||||
|
||||
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);
|
||||
} if (Buffer.isBuffer(input)) {
|
||||
return fromString(input.toString(), context, callback);
|
||||
} if (Array.isArray(input)) {
|
||||
return fromArray(input, context, callback);
|
||||
} 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);
|
||||
}
|
||||
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);
|
||||
} 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);
|
||||
} 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);
|
||||
} 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);
|
||||
} 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);
|
||||
} 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);
|
||||
} 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 protocolLessUri = uri.replace(FILE_RESOURCE_PROTOCOL, '');
|
||||
var currentPath = path.resolve('');
|
||||
var absoluteUri = path.isAbsolute(protocolLessUri)
|
||||
? path.resolve(currentPath, protocolLessUri[0] == '/' ? protocolLessUri.substring(1) : protocolLessUri)
|
||||
: path.resolve(inlinerContext.rebaseTo, protocolLessUri);
|
||||
var relativeToCurrentPath = path.relative(currentPath, absoluteUri);
|
||||
var importedStyles;
|
||||
var isAllowed = isAllowedResource(protocolLessUri, 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 "' + protocolLessUri + '" as it has already been imported.');
|
||||
} else if (isAllowed && !isLoaded && (!fs.existsSync(absoluteUri) || !fs.statSync(absoluteUri).isFile())) {
|
||||
inlinerContext.errors.push('Ignoring local @import of "' + protocolLessUri + '" as resource is missing.');
|
||||
} else if (!isAllowed && inlinerContext.afterContent) {
|
||||
inlinerContext.warnings.push('Ignoring local @import of "' + protocolLessUri + '" as resource is not allowed and after other content.');
|
||||
} else if (inlinerContext.afterContent) {
|
||||
inlinerContext.warnings.push('Ignoring local @import of "' + protocolLessUri + '" as after other content.');
|
||||
} else if (!isAllowed) {
|
||||
inlinerContext.warnings.push('Skipping local @import of "' + protocolLessUri + '" 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');
|
||||
|
||||
if (importedStyles.charCodeAt(0) === 65279) {
|
||||
importedStyles = importedStyles.substring(1);
|
||||
}
|
||||
|
||||
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]];
|
||||
}
|
||||
return tokens;
|
||||
}
|
||||
|
||||
module.exports = readSources;
|
||||
Reference in New Issue
Block a user