html-loader
Version:
Html loader module for webpack
1,002 lines (958 loc) • 33.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.c0ControlCodesExclude = c0ControlCodesExclude;
exports.convertToTemplateLiteral = convertToTemplateLiteral;
exports.defaultMinimizerOptions = void 0;
exports.getExportCode = getExportCode;
exports.getFilter = getFilter;
exports.getImportCode = getImportCode;
exports.getModuleCode = getModuleCode;
exports.isURLRequestable = isURLRequestable;
exports.normalizeOptions = normalizeOptions;
exports.parseSrc = parseSrc;
exports.parseSrcset = parseSrcset;
exports.pluginRunner = pluginRunner;
exports.requestify = requestify;
exports.srcType = srcType;
exports.srcsetType = srcsetType;
exports.supportTemplateLiteral = supportTemplateLiteral;
exports.traverse = traverse;
exports.webpackIgnoreCommentRegexp = void 0;
var _path = _interopRequireDefault(require("path"));
var _HtmlSourceError = _interopRequireDefault(require("./HtmlSourceError"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const HORIZONTAL_TAB = "\u0009".charCodeAt(0);
const NEWLINE = "\u000A".charCodeAt(0);
const FORM_FEED = "\u000C".charCodeAt(0);
const CARRIAGE_RETURN = "\u000D".charCodeAt(0);
const SPACE = "\u0020".charCodeAt(0);
function isASCIIWhitespace(character) {
return (
// Horizontal tab
character === HORIZONTAL_TAB ||
// New line
character === NEWLINE ||
// Form feed
character === FORM_FEED ||
// Carriage return
character === CARRIAGE_RETURN ||
// Space
character === SPACE
);
}
// (Don't use \s, to avoid matching non-breaking space)
// eslint-disable-next-line no-control-regex
const regexLeadingSpaces = /^[ \t\n\r\u000c]+/;
// eslint-disable-next-line no-control-regex
const regexLeadingCommasOrSpaces = /^[, \t\n\r\u000c]+/;
// eslint-disable-next-line no-control-regex
const regexLeadingNotSpaces = /^[^ \t\n\r\u000c]+/;
const regexTrailingCommas = /[,]+$/;
const regexNonNegativeInteger = /^\d+$/;
const COMMA = ",".charCodeAt(0);
const LEFT_PARENTHESIS = "(".charCodeAt(0);
const RIGHT_PARENTHESIS = ")".charCodeAt(0);
const SMALL_LETTER_W = "w".charCodeAt(0);
const SMALL_LETTER_X = "x".charCodeAt(0);
const SMALL_LETTER_H = "h".charCodeAt(0);
// ( Positive or negative or unsigned integers or decimals, without or without exponents.
// Must include at least one digit.
// According to spec tests any decimal point must be followed by a digit.
// No leading plus sign is allowed.)
// https://html.spec.whatwg.org/multipage/infrastructure.html#valid-floating-point-number
const regexFloatingPoint = /^-?(?:[0-9]+|[0-9]*\.[0-9]+)(?:[eE][+-]?[0-9]+)?$/;
function parseSrcset(input) {
// 1. Let input be the value passed to this algorithm.
const inputLength = input.length;
let url;
let descriptors;
let currentDescriptor;
let state;
let c;
// 2. Let position be a pointer into input, initially pointing at the start
// of the string.
let position = 0;
let startOffset;
// eslint-disable-next-line consistent-return
function collectCharacters(regEx) {
let chars;
const match = regEx.exec(input.substring(position));
if (match) {
[chars] = match;
position += chars.length;
return chars;
}
}
// 3. Let candidates be an initially empty source set.
const candidates = [];
// 4. Splitting loop: Collect a sequence of characters that are space
// characters or U+002C COMMA characters. If any U+002C COMMA characters
// were collected, that is a parse error.
// eslint-disable-next-line no-constant-condition
while (true) {
collectCharacters(regexLeadingCommasOrSpaces);
// 5. If position is past the end of input, return candidates and abort these steps.
if (position >= inputLength) {
if (candidates.length === 0) {
throw new Error("Must contain one or more image candidate strings");
}
// (we're done, this is the sole return path)
return candidates;
}
// 6. Collect a sequence of characters that are not space characters,
// and let that be url.
startOffset = position;
url = collectCharacters(regexLeadingNotSpaces);
// 7. Let descriptors be a new empty list.
descriptors = [];
// 8. If url ends with a U+002C COMMA character (,), follow these sub steps:
// (1). Remove all trailing U+002C COMMA characters from url. If this removed
// more than one character, that is a parse error.
if (url.charCodeAt(url.length - 1) === COMMA) {
url = url.replace(regexTrailingCommas, "");
// (Jump ahead to step 9 to skip tokenization and just push the candidate).
parseDescriptors();
}
// Otherwise, follow these sub steps:
else {
tokenize();
}
// 16. Return to the step labeled splitting loop.
}
/**
* Tokenizes descriptor properties prior to parsing
* Returns undefined.
*/
function tokenize() {
// 8.1. Descriptor tokenizer: Skip whitespace
collectCharacters(regexLeadingSpaces);
// 8.2. Let current descriptor be the empty string.
currentDescriptor = "";
// 8.3. Let state be in descriptor.
state = "in descriptor";
// eslint-disable-next-line no-constant-condition
while (true) {
// 8.4. Let c be the character at position.
c = input.charCodeAt(position);
// Do the following depending on the value of state.
// For the purpose of this step, "EOF" is a special character representing
// that position is past the end of input.
// In descriptor
if (state === "in descriptor") {
// Do the following, depending on the value of c:
// Space character
// If current descriptor is not empty, append current descriptor to
// descriptors and let current descriptor be the empty string.
// Set state to after descriptor.
if (isASCIIWhitespace(c)) {
if (currentDescriptor) {
descriptors.push(currentDescriptor);
currentDescriptor = "";
state = "after descriptor";
}
}
// U+002C COMMA (,)
// Advance position to the next character in input. If current descriptor
// is not empty, append current descriptor to descriptors. Jump to the step
// labeled descriptor parser.
else if (c === COMMA) {
position += 1;
if (currentDescriptor) {
descriptors.push(currentDescriptor);
}
parseDescriptors();
return;
}
// U+0028 LEFT PARENTHESIS (()
// Append c to current descriptor. Set state to in parens.
else if (c === LEFT_PARENTHESIS) {
currentDescriptor += input.charAt(position);
state = "in parens";
}
// EOF
// If current descriptor is not empty, append current descriptor to
// descriptors. Jump to the step labeled descriptor parser.
else if (isNaN(c)) {
if (currentDescriptor) {
descriptors.push(currentDescriptor);
}
parseDescriptors();
return;
// Anything else
// Append c to current descriptor.
} else {
currentDescriptor += input.charAt(position);
}
}
// In parens
else if (state === "in parens") {
// U+0029 RIGHT PARENTHESIS ())
// Append c to current descriptor. Set state to in descriptor.
if (c === RIGHT_PARENTHESIS) {
currentDescriptor += input.charAt(position);
state = "in descriptor";
}
// EOF
// Append current descriptor to descriptors. Jump to the step labeled
// descriptor parser.
else if (isNaN(c)) {
descriptors.push(currentDescriptor);
parseDescriptors();
return;
}
// Anything else
// Append c to current descriptor.
else {
currentDescriptor += input.charAt(position);
}
}
// After descriptor
else if (state === "after descriptor") {
// Do the following, depending on the value of c:
if (isASCIIWhitespace(c)) {
// Space character: Stay in this state.
}
// EOF: Jump to the step labeled descriptor parser.
else if (isNaN(c)) {
parseDescriptors();
return;
}
// Anything else
// Set state to in descriptor. Set position to the previous character in input.
else {
state = "in descriptor";
position -= 1;
}
}
// Advance position to the next character in input.
position += 1;
}
}
/**
* Adds descriptor properties to a candidate, pushes to the candidates array
* @return undefined
*/
// Declared outside of the while loop so that it's only created once.
function parseDescriptors() {
// 9. Descriptor parser: Let error be no.
let pError = false;
// 10. Let width be absent.
// 11. Let density be absent.
// 12. Let future-compat-h be absent. (We're implementing it now as h)
let w;
let d;
let h;
let i;
const candidate = {};
let desc;
let lastChar;
let value;
let intVal;
let floatVal;
// 13. For each descriptor in descriptors, run the appropriate set of steps
// from the following list:
for (i = 0; i < descriptors.length; i++) {
desc = descriptors[i];
lastChar = desc[desc.length - 1].charCodeAt(0);
value = desc.substring(0, desc.length - 1);
intVal = parseInt(value, 10);
floatVal = parseFloat(value);
// If the descriptor consists of a valid non-negative integer followed by
// a U+0077 LATIN SMALL LETTER W character
if (regexNonNegativeInteger.test(value) && lastChar === SMALL_LETTER_W) {
// If width and density are not both absent, then let error be yes.
if (w || d) {
pError = true;
}
// Apply the rules for parsing non-negative integers to the descriptor.
// If the result is zero, let error be yes.
// Otherwise, let width be the result.
if (intVal === 0) {
pError = true;
} else {
w = intVal;
}
}
// If the descriptor consists of a valid floating-point number followed by
// a U+0078 LATIN SMALL LETTER X character
else if (regexFloatingPoint.test(value) && lastChar === SMALL_LETTER_X) {
// If width, density and future-compat-h are not all absent, then let error
// be yes.
if (w || d || h) {
pError = true;
}
// Apply the rules for parsing floating-point number values to the descriptor.
// If the result is less than zero, let error be yes. Otherwise, let density
// be the result.
if (floatVal < 0) {
pError = true;
} else {
d = floatVal;
}
}
// If the descriptor consists of a valid non-negative integer followed by
// a U+0068 LATIN SMALL LETTER H character
else if (regexNonNegativeInteger.test(value) && lastChar === SMALL_LETTER_H) {
// If height and density are not both absent, then let error be yes.
if (h || d) {
pError = true;
}
// Apply the rules for parsing non-negative integers to the descriptor.
// If the result is zero, let error be yes. Otherwise, let future-compat-h
// be the result.
if (intVal === 0) {
pError = true;
} else {
h = intVal;
}
// Anything else, Let error be yes.
} else {
pError = true;
}
}
// 15. If error is still no, then append a new image source to candidates whose
// URL is url, associated with a width width if not absent and a pixel
// density density if not absent. Otherwise, there is a parse error.
if (!pError) {
candidate.source = {
value: url,
startOffset
};
if (w) {
candidate.width = {
value: w
};
}
if (d) {
candidate.density = {
value: d
};
}
if (h) {
candidate.height = {
value: h
};
}
candidates.push(candidate);
} else {
throw new Error(`Invalid srcset descriptor found in '${input}' at '${desc}'`);
}
}
}
function parseSrc(input) {
if (!input) {
throw new Error("Must be non-empty");
}
let start = 0;
for (; start < input.length && isASCIIWhitespace(input.charCodeAt(start)); start++);
if (start === input.length) {
throw new Error("Must be non-empty");
}
let end = input.length - 1;
for (; end > -1 && isASCIIWhitespace(input.charCodeAt(end)); end--);
end += 1;
let value = input;
if (start !== 0 || end !== value.length) {
value = value.substring(start, end);
if (!value) {
throw new Error("Must be non-empty");
}
}
return {
value,
startOffset: start
};
}
const WINDOWS_ABS_PATH_REGEXP = /^[a-zA-Z]:[\\/]|^\\\\/;
function isDataUrl(url) {
if (/^data:/i.test(url)) {
return true;
}
return false;
}
function isURLRequestable(url, options = {}) {
// Protocol-relative URLs
if (/^\/\//.test(url)) {
return false;
}
// `file:` protocol
if (/^file:/i.test(url)) {
return true;
}
if (isDataUrl(url) && options.isSupportDataURL) {
try {
decodeURIComponent(url);
} catch (ignoreError) {
return false;
}
return true;
}
if (/^file:/i.test(url)) {
return true;
}
// Absolute URLs
if (/^[a-z][a-z0-9+.-]*:/i.test(url) && !WINDOWS_ABS_PATH_REGEXP.test(url)) {
if (/^https?:/i.test(url)) {
return options.isSupportAbsoluteURL;
}
return false;
}
// It's some kind of url for a template
if (/^[{}[\]#*;,'§$%&(=?`´^°<>]/.test(url)) {
return false;
}
return true;
}
const WINDOWS_PATH_SEPARATOR_REGEXP = /\\/g;
const RELATIVE_PATH_REGEXP = /^\.\.?[/\\]/;
const SLASH = "/".charCodeAt(0);
const absoluteToRequest = (context, maybeAbsolutePath) => {
if (maybeAbsolutePath.charCodeAt(0) === SLASH) {
if (maybeAbsolutePath.length > 1 && maybeAbsolutePath.charCodeAt(maybeAbsolutePath.length - 1) === SLASH) {
// this 'path' is actually a regexp generated by dynamic requires.
// Don't treat it as an absolute path.
return maybeAbsolutePath;
}
const querySplitPos = maybeAbsolutePath.indexOf("?");
let resource = querySplitPos === -1 ? maybeAbsolutePath : maybeAbsolutePath.slice(0, querySplitPos);
resource = _path.default.posix.relative(context, resource);
if (!resource.startsWith("../")) {
resource = `./${resource}`;
}
return querySplitPos === -1 ? resource : resource + maybeAbsolutePath.slice(querySplitPos);
}
if (WINDOWS_ABS_PATH_REGEXP.test(maybeAbsolutePath)) {
const querySplitPos = maybeAbsolutePath.indexOf("?");
let resource = querySplitPos === -1 ? maybeAbsolutePath : maybeAbsolutePath.slice(0, querySplitPos);
resource = _path.default.win32.relative(context, resource);
if (!WINDOWS_ABS_PATH_REGEXP.test(resource)) {
resource = resource.replace(WINDOWS_PATH_SEPARATOR_REGEXP, "/");
if (!resource.startsWith("../")) {
resource = `./${resource}`;
}
}
return querySplitPos === -1 ? resource : resource + maybeAbsolutePath.slice(querySplitPos);
}
if (!RELATIVE_PATH_REGEXP.test(maybeAbsolutePath)) {
return `./${maybeAbsolutePath.replace(WINDOWS_PATH_SEPARATOR_REGEXP, "/")}`;
}
// not an absolute path
return maybeAbsolutePath;
};
const contextify = (context, request) => request.split("!").map(r => absoluteToRequest(context, r)).join("!");
const MODULE_REQUEST_REGEXP = /^[^?]*~/;
function requestify(context, request) {
const isWindowsAbsolutePath = WINDOWS_ABS_PATH_REGEXP.test(request);
const newRequest = isWindowsAbsolutePath ? decodeURI(request).replace(/[\t\n\r]/g, "") : decodeURI(request).replace(/[\t\n\r]/g, "").replace(/\\/g, "/");
if (isWindowsAbsolutePath || newRequest.charCodeAt(0) === SLASH) {
return newRequest;
}
if (/^[a-z]+:/i.test(newRequest)) {
return newRequest;
}
// A `~` makes the url an module
if (MODULE_REQUEST_REGEXP.test(newRequest)) {
return newRequest.replace(MODULE_REQUEST_REGEXP, "");
}
// every other url is threaded like a relative url
return contextify(context, newRequest);
}
function isProductionMode(loaderContext) {
return loaderContext.mode === "production" || !loaderContext.mode;
}
const defaultMinimizerOptions = exports.defaultMinimizerOptions = {
caseSensitive: true,
// `collapseBooleanAttributes` is not always safe, since this can break CSS attribute selectors and not safe for XHTML
collapseWhitespace: true,
conservativeCollapse: true,
keepClosingSlash: true,
// We need ability to use cssnano, or setup own function without extra dependencies
minifyCSS: true,
minifyJS: true,
// `minifyURLs` is unsafe, because we can't guarantee what the base URL is
// `removeAttributeQuotes` is not safe in some rare cases, also HTML spec recommends against doing this
removeComments: true,
// `removeEmptyAttributes` is not safe, can affect certain style or script behavior, look at https://github.com/webpack-contrib/html-loader/issues/323
// `removeRedundantAttributes` is not safe, can affect certain style or script behavior, look at https://github.com/webpack-contrib/html-loader/issues/323
removeScriptTypeAttributes: true,
removeStyleLinkTypeAttributes: true
// `useShortDoctype` is not safe for XHTML
};
function getMinimizeOption(rawOptions, loaderContext) {
if (typeof rawOptions.minimize === "undefined") {
return isProductionMode(loaderContext) ? defaultMinimizerOptions : false;
}
if (typeof rawOptions.minimize === "boolean") {
return rawOptions.minimize === true ? defaultMinimizerOptions : false;
}
return rawOptions.minimize;
}
function getAttributeValue(attributes, name) {
const [result] = attributes.filter(i => i.name.toLowerCase() === name);
return typeof result === "undefined" ? result : result.value;
}
function scriptSrcFilter(tag, attribute, attributes) {
let type = getAttributeValue(attributes, "type");
if (!type) {
return true;
}
type = type.trim();
if (!type) {
return false;
}
if (type !== "module" && type !== "text/javascript" && type !== "application/javascript") {
return false;
}
return true;
}
function linkHrefFilter(tag, attribute, attributes) {
let rel = getAttributeValue(attributes, "rel");
if (!rel) {
return false;
}
rel = rel.trim();
if (!rel) {
return false;
}
rel = rel.toLowerCase();
const usedRels = rel.split(" ").filter(Boolean);
const allowedRels = ["stylesheet", "icon", "mask-icon", "apple-touch-icon", "apple-touch-icon-precomposed", "apple-touch-startup-image", "manifest", "prefetch", "preload"];
return allowedRels.some(value => usedRels.includes(value));
}
const META = new Map([["name", new Set([
// msapplication-TileImage
"msapplication-tileimage", "msapplication-square70x70logo", "msapplication-square150x150logo", "msapplication-wide310x150logo", "msapplication-square310x310logo", "msapplication-config", "msapplication-task", "twitter:image"])], ["property", new Set(["og:image", "og:image:url", "og:image:secure_url", "og:audio", "og:audio:secure_url", "og:video", "og:video:secure_url", "vk:image"])], ["itemprop", new Set(["image", "logo", "screenshot", "thumbnailurl", "contenturl", "downloadurl", "duringmedia", "embedurl", "installurl", "layoutimage"])]]);
function linkItempropFilter(tag, attribute, attributes) {
let name = getAttributeValue(attributes, "itemprop");
if (name) {
name = name.trim();
if (!name) {
return false;
}
name = name.toLowerCase();
return META.get("itemprop").has(name);
}
return false;
}
function linkUnionFilter(tag, attribute, attributes) {
return linkHrefFilter(tag, attribute, attributes) || linkItempropFilter(tag, attribute, attributes);
}
function metaContentFilter(tag, attribute, attributes) {
for (const item of META) {
const [key, allowedNames] = item;
let name = getAttributeValue(attributes, key);
if (name) {
name = name.trim();
if (!name) {
// eslint-disable-next-line no-continue
continue;
}
name = name.toLowerCase();
return allowedNames.has(name);
}
}
return false;
}
function srcType(options) {
let source;
try {
source = parseSrc(options.value);
} catch (error) {
throw new _HtmlSourceError.default(`Bad value for attribute "${options.attribute}" on element "${options.tag}": ${error.message}`, options.attributeStartOffset, options.attributeEndOffset, options.html);
}
try {
source = c0ControlCodesExclude(source);
} catch (error) {
throw new _HtmlSourceError.default(`Bad value for attribute "${options.attribute}" on element "${options.tag}": ${error.message}`, options.attributeStartOffset, options.attributeEndOffset, options.html);
}
if (!isURLRequestable(source.value, {
isSupportDataURL: options.isSupportDataURL,
isSupportAbsoluteURL: options.isSupportAbsoluteURL
})) {
return [];
}
const startOffset = options.valueStartOffset + source.startOffset;
const endOffset = startOffset + source.value.length;
return [{
value: source.value,
startOffset,
endOffset
}];
}
function srcsetType(options) {
let sourceSet;
try {
sourceSet = parseSrcset(options.value);
} catch (error) {
throw new _HtmlSourceError.default(`Bad value for attribute "${options.attribute}" on element "${options.tag}": ${error.message}`, options.attributeStartOffset, options.attributeEndOffset, options.html);
}
const result = [];
sourceSet.forEach(sourceItem => {
let {
source
} = sourceItem;
try {
source = c0ControlCodesExclude(source);
} catch (error) {
throw new _HtmlSourceError.default(`Bad value for attribute "${options.attribute}" on element "${options.tag}": ${error.message}`, options.attributeStartOffset, options.attributeEndOffset, options.html);
}
if (!isURLRequestable(source.value, {
isSupportDataURL: options.isSupportDataURL,
isSupportAbsoluteURL: options.isSupportAbsoluteURL
})) {
return false;
}
const startOffset = options.valueStartOffset + source.startOffset;
const endOffset = startOffset + source.value.length;
result.push({
value: source.value,
startOffset,
endOffset
});
return false;
});
return result;
}
function metaContentType(options) {
const isMsapplicationTask = options.attributes.find(i => i.name.toLowerCase() === "name" && i.value.toLowerCase() === "msapplication-task");
if (isMsapplicationTask) {
let startOffset = options.valueStartOffset;
let endOffset = options.valueStartOffset;
let value;
const parts = options.value.split(";");
for (const [index, part] of parts.entries()) {
const isLastIteration = index === parts.length - 1;
if (/^icon-uri/i.test(part.trim())) {
const [name, src] = part.split("=");
startOffset += name.length + 1;
let source;
try {
source = parseSrc(src);
} catch (error) {
throw new _HtmlSourceError.default(`Bad value for attribute "icon-uri" on element "${options.tag}": ${error.message}`, options.attributeStartOffset, options.attributeEndOffset, options.html);
}
try {
source = c0ControlCodesExclude(source);
} catch (error) {
throw new _HtmlSourceError.default(`Bad value for attribute "icon-uri" on element "${options.tag}": ${error.message}`, options.attributeStartOffset, options.attributeEndOffset, options.html);
}
({
value
} = source);
startOffset += source.startOffset;
endOffset = startOffset + value.length;
break;
}
// +1 because of ";"
startOffset += part.length + (isLastIteration ? 0 : 1);
}
if (!value) {
return [];
}
return [{
startOffset,
endOffset,
value
}];
}
return srcType(options);
}
const defaultSources = new Map([["audio", new Map([["src", {
type: srcType
}]])], ["embed", new Map([["src", {
type: srcType
}]])], ["img", new Map([["src", {
type: srcType
}], ["srcset", {
type: srcsetType
}]])], ["input", new Map([["src", {
type: srcType
}]])], ["link", new Map([["href", {
type: srcType,
filter: linkUnionFilter
}], ["imagesrcset", {
type: srcsetType,
filter: linkHrefFilter
}]])], ["meta", new Map([["content", {
type: metaContentType,
filter: metaContentFilter
}]])], ["object", new Map([["data", {
type: srcType
}]])], ["script", new Map([["src", {
type: srcType,
filter: scriptSrcFilter
}],
// Using href with <script> is described here: https://developer.mozilla.org/en-US/docs/Web/SVG/Element/script
["href", {
type: srcType,
filter: scriptSrcFilter
}], ["xlink:href", {
type: srcType,
filter: scriptSrcFilter
}]])], ["source", new Map([["src", {
type: srcType
}], ["srcset", {
type: srcsetType
}]])], ["track", new Map([["src", {
type: srcType
}]])], ["video", new Map([["poster", {
type: srcType
}], ["src", {
type: srcType
}]])],
// SVG
["image", new Map([["xlink:href", {
type: srcType
}], ["href", {
type: srcType
}]])], ["use", new Map([["xlink:href", {
type: srcType
}], ["href", {
type: srcType
}]])]
// [
// 'webpack-import',
// new Map([
// [
// 'src',
// {
// type: webpackImportType,
// },
// ],
// ]),
// ],
]);
function normalizeSourcesList(sources) {
if (typeof sources === "undefined") {
return defaultSources;
}
const result = new Map();
for (const source of sources) {
if (source === "...") {
for (const [tag, attributes] of defaultSources.entries()) {
const existingAttributes = result.get(tag);
if (existingAttributes) {
attributes.forEach(([k, v]) => existingAttributes.set(k, v));
} else {
result.set(tag, new Map(attributes));
}
}
// eslint-disable-next-line no-continue
continue;
}
let {
tag = "*",
attribute = "*"
} = source;
tag = tag.toLowerCase();
attribute = attribute.toLowerCase();
let typeFn;
// eslint-disable-next-line default-case
switch (source.type) {
case "src":
typeFn = srcType;
break;
case "srcset":
typeFn = srcsetType;
break;
}
let attrMap = result.get(tag);
if (!attrMap) {
attrMap = new Map();
result.set(tag, attrMap);
}
attrMap.set(attribute, {
type: typeFn,
filter: source.filter
});
}
return result;
}
function getSourcesOption(rawOptions) {
if (typeof rawOptions.sources === "undefined") {
return {
list: normalizeSourcesList()
};
}
if (typeof rawOptions.sources === "boolean") {
return rawOptions.sources === true ? {
list: normalizeSourcesList()
} : false;
}
const sources = normalizeSourcesList(rawOptions.sources.list);
return {
list: sources,
urlFilter: rawOptions.sources.urlFilter,
scriptingEnabled: typeof rawOptions.sources.scriptingEnabled === "undefined" ? true : rawOptions.sources.scriptingEnabled
};
}
function normalizeOptions(rawOptions, loaderContext) {
return {
preprocessor: rawOptions.preprocessor,
postprocessor: rawOptions.postprocessor,
sources: getSourcesOption(rawOptions),
minimize: getMinimizeOption(rawOptions, loaderContext),
esModule: typeof rawOptions.esModule === "undefined" ? true : rawOptions.esModule
};
}
function pluginRunner(plugins) {
return {
async process(content) {
const result = {};
for (const plugin of plugins) {
// eslint-disable-next-line no-param-reassign, no-await-in-loop
content = await plugin(content, result);
}
result.html = content;
return result;
}
};
}
function getFilter(filter) {
return (attribute, value, resourcePath) => {
if (typeof filter === "function") {
return filter(attribute, value, resourcePath);
}
return true;
};
}
function getImportCode(html, imports, options) {
if (imports.length === 0) {
return "";
}
let code = "";
for (const item of imports) {
const {
importName,
request
} = item;
code += options.esModule ? `var ${importName} = new URL(${JSON.stringify(request)}, import.meta.url);\n` : `var ${importName} = require(${JSON.stringify(request)});\n`;
}
return `// Imports\n${code}`;
}
const BACKSLASH = "\\".charCodeAt(0);
const BACKTICK = "`".charCodeAt(0);
const DOLLAR = "$".charCodeAt(0);
function convertToTemplateLiteral(str) {
let escapedString = "";
for (let i = 0; i < str.length; i++) {
const code = str.charCodeAt(i);
escapedString += code === BACKSLASH || code === BACKTICK || code === DOLLAR ? `\\${str[i]}` : str[i];
}
return `\`${escapedString}\``;
}
const GET_SOURCE_FROM_IMPORT_NAME = "___HTML_LOADER_GET_SOURCE_FROM_IMPORT___";
function getModuleCode(html, replacements, loaderContext, options) {
let code = html;
const {
isTemplateLiteralSupported
} = options;
let needHelperImport = false;
for (const item of replacements) {
const {
importName,
replacementName,
isValueQuoted,
hash
} = item;
if (!isValueQuoted && !needHelperImport) {
needHelperImport = true;
}
const name = !isValueQuoted ? `${GET_SOURCE_FROM_IMPORT_NAME}(${importName}${!isValueQuoted ? ", true" : ""})` : importName;
code = code.replace(new RegExp(replacementName, "g"), () => isTemplateLiteralSupported ? `\${${name}}${typeof hash !== "undefined" ? hash : ""}` : `" + ${name}${typeof hash !== "undefined" ? ` + ${JSON.stringify(hash)}` : ""} + "`);
}
// Replaces "<script>" or "</script>" to "<" + "script>" or "<" + "/script>".
code = code.replace(/<(\/?script)/g, (_, s) => isTemplateLiteralSupported ? `\${"<" + "${s}"}` : `<" + "${s}`);
code = `// Module\nvar code = ${code};\n`;
if (needHelperImport) {
// TODO simplify in the next major release
const getURLRuntime = require.resolve("./runtime/getUrl.js");
const context = loaderContext.context || loaderContext.rootContext;
const fileURLToHelper = typeof loaderContext.utils !== "undefined" && typeof loaderContext.utils.contextify === "function" ? loaderContext.utils.contextify(context, getURLRuntime) : contextify(context, getURLRuntime);
code = options.esModule ? `import ${GET_SOURCE_FROM_IMPORT_NAME} from "${fileURLToHelper}";\n${code}` : `var ${GET_SOURCE_FROM_IMPORT_NAME} = require("${fileURLToHelper}");\n${code}`;
}
return code;
}
function getExportCode(html, options) {
if (options.esModule) {
return `// Exports\nexport default code;`;
}
return `// Exports\nmodule.exports = code;`;
}
function isASCIIC0group(character) {
// C0 and
// eslint-disable-next-line no-control-regex
return /^[\u0001-\u0019\u00a0]/.test(character);
}
function c0ControlCodesExclude(source) {
let {
value
} = source;
if (!value) {
throw new Error("Must be non-empty");
}
let start = 0;
for (; start < value.length && isASCIIC0group(value[start]); start++);
if (start === value.length) {
throw new Error("Must be non-empty");
}
let end = value.length - 1;
for (; end > -1 && isASCIIC0group(value[end]); end--);
end += 1;
if (start !== 0 || end !== value.length) {
value = value.substring(start, end);
if (!value) {
throw new Error("Must be non-empty");
}
}
return {
value,
startOffset: source.startOffset + start
};
}
function traverse(root, callback) {
const visit = (node, parent) => {
let res;
if (callback) {
res = callback(node, parent);
}
let {
childNodes
} = node;
// in case a <template> tag is in the middle of the HTML: https://github.com/JPeer264/node-rcs-core/issues/58
if (node.content && Array.isArray(node.content.childNodes)) {
({
childNodes
} = node.content);
}
if (res !== false && Array.isArray(childNodes) && childNodes.length >= 0) {
childNodes.forEach(child => {
visit(child, node);
});
}
};
visit(root, null);
}
function supportTemplateLiteral(loaderContext) {
if (loaderContext.environment && loaderContext.environment.templateLiteral) {
return true;
}
// TODO remove in the next major release
if (
// eslint-disable-next-line no-underscore-dangle
loaderContext._compilation &&
// eslint-disable-next-line no-underscore-dangle
loaderContext._compilation.options &&
// eslint-disable-next-line no-underscore-dangle
loaderContext._compilation.options.output &&
// eslint-disable-next-line no-underscore-dangle
loaderContext._compilation.options.output.environment &&
// eslint-disable-next-line no-underscore-dangle
loaderContext._compilation.options.output.environment.templateLiteral) {
return true;
}
return false;
}
const webpackIgnoreCommentRegexp = exports.webpackIgnoreCommentRegexp = /webpackIgnore:(\s+)?(true|false)/;