aiber-test/www/shadow-css-58508bb5-js-es2015.js
2020-12-18 09:30:04 +00:00

401 lines
16 KiB
JavaScript

(window["webpackJsonp"] = window["webpackJsonp"] || []).push([["shadow-css-58508bb5-js"],{
/***/ "./node_modules/@ionic/core/dist/esm/shadow-css-58508bb5.js":
/*!******************************************************************!*\
!*** ./node_modules/@ionic/core/dist/esm/shadow-css-58508bb5.js ***!
\******************************************************************/
/*! exports provided: scopeCss */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "scopeCss", function() { return scopeCss; });
/*
Stencil Client Platform v2.1.2 | MIT Licensed | https://stenciljs.com
*/
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*
* This file is a port of shadowCSS from webcomponents.js to TypeScript.
* https://github.com/webcomponents/webcomponentsjs/blob/4efecd7e0e/src/ShadowCSS/ShadowCSS.js
* https://github.com/angular/angular/blob/master/packages/compiler/src/shadow_css.ts
*/
const safeSelector = (selector) => {
const placeholders = [];
let index = 0;
let content;
// Replaces attribute selectors with placeholders.
// The WS in [attr="va lue"] would otherwise be interpreted as a selector separator.
selector = selector.replace(/(\[[^\]]*\])/g, (_, keep) => {
const replaceBy = `__ph-${index}__`;
placeholders.push(keep);
index++;
return replaceBy;
});
// Replaces the expression in `:nth-child(2n + 1)` with a placeholder.
// WS and "+" would otherwise be interpreted as selector separators.
content = selector.replace(/(:nth-[-\w]+)(\([^)]+\))/g, (_, pseudo, exp) => {
const replaceBy = `__ph-${index}__`;
placeholders.push(exp);
index++;
return pseudo + replaceBy;
});
const ss = {
content,
placeholders,
};
return ss;
};
const restoreSafeSelector = (placeholders, content) => {
return content.replace(/__ph-(\d+)__/g, (_, index) => placeholders[+index]);
};
const _polyfillHost = '-shadowcsshost';
const _polyfillSlotted = '-shadowcssslotted';
// note: :host-context pre-processed to -shadowcsshostcontext.
const _polyfillHostContext = '-shadowcsscontext';
const _parenSuffix = ')(?:\\((' + '(?:\\([^)(]*\\)|[^)(]*)+?' + ')\\))?([^,{]*)';
const _cssColonHostRe = new RegExp('(' + _polyfillHost + _parenSuffix, 'gim');
const _cssColonHostContextRe = new RegExp('(' + _polyfillHostContext + _parenSuffix, 'gim');
const _cssColonSlottedRe = new RegExp('(' + _polyfillSlotted + _parenSuffix, 'gim');
const _polyfillHostNoCombinator = _polyfillHost + '-no-combinator';
const _polyfillHostNoCombinatorRe = /-shadowcsshost-no-combinator([^\s]*)/;
const _shadowDOMSelectorsRe = [/::shadow/g, /::content/g];
const _selectorReSuffix = '([>\\s~+[.,{:][\\s\\S]*)?$';
const _polyfillHostRe = /-shadowcsshost/gim;
const _colonHostRe = /:host/gim;
const _colonSlottedRe = /::slotted/gim;
const _colonHostContextRe = /:host-context/gim;
const _commentRe = /\/\*\s*[\s\S]*?\*\//g;
const stripComments = (input) => {
return input.replace(_commentRe, '');
};
const _commentWithHashRe = /\/\*\s*#\s*source(Mapping)?URL=[\s\S]+?\*\//g;
const extractCommentsWithHash = (input) => {
return input.match(_commentWithHashRe) || [];
};
const _ruleRe = /(\s*)([^;\{\}]+?)(\s*)((?:{%BLOCK%}?\s*;?)|(?:\s*;))/g;
const _curlyRe = /([{}])/g;
const OPEN_CURLY = '{';
const CLOSE_CURLY = '}';
const BLOCK_PLACEHOLDER = '%BLOCK%';
const processRules = (input, ruleCallback) => {
const inputWithEscapedBlocks = escapeBlocks(input);
let nextBlockIndex = 0;
return inputWithEscapedBlocks.escapedString.replace(_ruleRe, (...m) => {
const selector = m[2];
let content = '';
let suffix = m[4];
let contentPrefix = '';
if (suffix && suffix.startsWith('{' + BLOCK_PLACEHOLDER)) {
content = inputWithEscapedBlocks.blocks[nextBlockIndex++];
suffix = suffix.substring(BLOCK_PLACEHOLDER.length + 1);
contentPrefix = '{';
}
const cssRule = {
selector,
content,
};
const rule = ruleCallback(cssRule);
return `${m[1]}${rule.selector}${m[3]}${contentPrefix}${rule.content}${suffix}`;
});
};
const escapeBlocks = (input) => {
const inputParts = input.split(_curlyRe);
const resultParts = [];
const escapedBlocks = [];
let bracketCount = 0;
let currentBlockParts = [];
for (let partIndex = 0; partIndex < inputParts.length; partIndex++) {
const part = inputParts[partIndex];
if (part === CLOSE_CURLY) {
bracketCount--;
}
if (bracketCount > 0) {
currentBlockParts.push(part);
}
else {
if (currentBlockParts.length > 0) {
escapedBlocks.push(currentBlockParts.join(''));
resultParts.push(BLOCK_PLACEHOLDER);
currentBlockParts = [];
}
resultParts.push(part);
}
if (part === OPEN_CURLY) {
bracketCount++;
}
}
if (currentBlockParts.length > 0) {
escapedBlocks.push(currentBlockParts.join(''));
resultParts.push(BLOCK_PLACEHOLDER);
}
const strEscapedBlocks = {
escapedString: resultParts.join(''),
blocks: escapedBlocks,
};
return strEscapedBlocks;
};
const insertPolyfillHostInCssText = (selector) => {
selector = selector
.replace(_colonHostContextRe, _polyfillHostContext)
.replace(_colonHostRe, _polyfillHost)
.replace(_colonSlottedRe, _polyfillSlotted);
return selector;
};
const convertColonRule = (cssText, regExp, partReplacer) => {
// m[1] = :host(-context), m[2] = contents of (), m[3] rest of rule
return cssText.replace(regExp, (...m) => {
if (m[2]) {
const parts = m[2].split(',');
const r = [];
for (let i = 0; i < parts.length; i++) {
const p = parts[i].trim();
if (!p)
break;
r.push(partReplacer(_polyfillHostNoCombinator, p, m[3]));
}
return r.join(',');
}
else {
return _polyfillHostNoCombinator + m[3];
}
});
};
const colonHostPartReplacer = (host, part, suffix) => {
return host + part.replace(_polyfillHost, '') + suffix;
};
const convertColonHost = (cssText) => {
return convertColonRule(cssText, _cssColonHostRe, colonHostPartReplacer);
};
const colonHostContextPartReplacer = (host, part, suffix) => {
if (part.indexOf(_polyfillHost) > -1) {
return colonHostPartReplacer(host, part, suffix);
}
else {
return host + part + suffix + ', ' + part + ' ' + host + suffix;
}
};
const convertColonSlotted = (cssText, slotScopeId) => {
const slotClass = '.' + slotScopeId + ' > ';
const selectors = [];
cssText = cssText.replace(_cssColonSlottedRe, (...m) => {
if (m[2]) {
const compound = m[2].trim();
const suffix = m[3];
const slottedSelector = slotClass + compound + suffix;
let prefixSelector = '';
for (let i = m[4] - 1; i >= 0; i--) {
const char = m[5][i];
if (char === '}' || char === ',') {
break;
}
prefixSelector = char + prefixSelector;
}
const orgSelector = prefixSelector + slottedSelector;
const addedSelector = `${prefixSelector.trimRight()}${slottedSelector.trim()}`;
if (orgSelector.trim() !== addedSelector.trim()) {
const updatedSelector = `${addedSelector}, ${orgSelector}`;
selectors.push({
orgSelector,
updatedSelector,
});
}
return slottedSelector;
}
else {
return _polyfillHostNoCombinator + m[3];
}
});
return {
selectors,
cssText,
};
};
const convertColonHostContext = (cssText) => {
return convertColonRule(cssText, _cssColonHostContextRe, colonHostContextPartReplacer);
};
const convertShadowDOMSelectors = (cssText) => {
return _shadowDOMSelectorsRe.reduce((result, pattern) => result.replace(pattern, ' '), cssText);
};
const makeScopeMatcher = (scopeSelector) => {
const lre = /\[/g;
const rre = /\]/g;
scopeSelector = scopeSelector.replace(lre, '\\[').replace(rre, '\\]');
return new RegExp('^(' + scopeSelector + ')' + _selectorReSuffix, 'm');
};
const selectorNeedsScoping = (selector, scopeSelector) => {
const re = makeScopeMatcher(scopeSelector);
return !re.test(selector);
};
const applySimpleSelectorScope = (selector, scopeSelector, hostSelector) => {
// In Android browser, the lastIndex is not reset when the regex is used in String.replace()
_polyfillHostRe.lastIndex = 0;
if (_polyfillHostRe.test(selector)) {
const replaceBy = `.${hostSelector}`;
return selector
.replace(_polyfillHostNoCombinatorRe, (_, selector) => {
return selector.replace(/([^:]*)(:*)(.*)/, (_, before, colon, after) => {
return before + replaceBy + colon + after;
});
})
.replace(_polyfillHostRe, replaceBy + ' ');
}
return scopeSelector + ' ' + selector;
};
const applyStrictSelectorScope = (selector, scopeSelector, hostSelector) => {
const isRe = /\[is=([^\]]*)\]/g;
scopeSelector = scopeSelector.replace(isRe, (_, ...parts) => parts[0]);
const className = '.' + scopeSelector;
const _scopeSelectorPart = (p) => {
let scopedP = p.trim();
if (!scopedP) {
return '';
}
if (p.indexOf(_polyfillHostNoCombinator) > -1) {
scopedP = applySimpleSelectorScope(p, scopeSelector, hostSelector);
}
else {
// remove :host since it should be unnecessary
const t = p.replace(_polyfillHostRe, '');
if (t.length > 0) {
const matches = t.match(/([^:]*)(:*)(.*)/);
if (matches) {
scopedP = matches[1] + className + matches[2] + matches[3];
}
}
}
return scopedP;
};
const safeContent = safeSelector(selector);
selector = safeContent.content;
let scopedSelector = '';
let startIndex = 0;
let res;
const sep = /( |>|\+|~(?!=))\s*/g;
// If a selector appears before :host it should not be shimmed as it
// matches on ancestor elements and not on elements in the host's shadow
// `:host-context(div)` is transformed to
// `-shadowcsshost-no-combinatordiv, div -shadowcsshost-no-combinator`
// the `div` is not part of the component in the 2nd selectors and should not be scoped.
// Historically `component-tag:host` was matching the component so we also want to preserve
// this behavior to avoid breaking legacy apps (it should not match).
// The behavior should be:
// - `tag:host` -> `tag[h]` (this is to avoid breaking legacy apps, should not match anything)
// - `tag :host` -> `tag [h]` (`tag` is not scoped because it's considered part of a
// `:host-context(tag)`)
const hasHost = selector.indexOf(_polyfillHostNoCombinator) > -1;
// Only scope parts after the first `-shadowcsshost-no-combinator` when it is present
let shouldScope = !hasHost;
while ((res = sep.exec(selector)) !== null) {
const separator = res[1];
const part = selector.slice(startIndex, res.index).trim();
shouldScope = shouldScope || part.indexOf(_polyfillHostNoCombinator) > -1;
const scopedPart = shouldScope ? _scopeSelectorPart(part) : part;
scopedSelector += `${scopedPart} ${separator} `;
startIndex = sep.lastIndex;
}
const part = selector.substring(startIndex);
shouldScope = shouldScope || part.indexOf(_polyfillHostNoCombinator) > -1;
scopedSelector += shouldScope ? _scopeSelectorPart(part) : part;
// replace the placeholders with their original values
return restoreSafeSelector(safeContent.placeholders, scopedSelector);
};
const scopeSelector = (selector, scopeSelectorText, hostSelector, slotSelector) => {
return selector
.split(',')
.map(shallowPart => {
if (slotSelector && shallowPart.indexOf('.' + slotSelector) > -1) {
return shallowPart.trim();
}
if (selectorNeedsScoping(shallowPart, scopeSelectorText)) {
return applyStrictSelectorScope(shallowPart, scopeSelectorText, hostSelector).trim();
}
else {
return shallowPart.trim();
}
})
.join(', ');
};
const scopeSelectors = (cssText, scopeSelectorText, hostSelector, slotSelector, commentOriginalSelector) => {
return processRules(cssText, (rule) => {
let selector = rule.selector;
let content = rule.content;
if (rule.selector[0] !== '@') {
selector = scopeSelector(rule.selector, scopeSelectorText, hostSelector, slotSelector);
}
else if (rule.selector.startsWith('@media') || rule.selector.startsWith('@supports') || rule.selector.startsWith('@page') || rule.selector.startsWith('@document')) {
content = scopeSelectors(rule.content, scopeSelectorText, hostSelector, slotSelector);
}
const cssRule = {
selector: selector.replace(/\s{2,}/g, ' ').trim(),
content,
};
return cssRule;
});
};
const scopeCssText = (cssText, scopeId, hostScopeId, slotScopeId, commentOriginalSelector) => {
cssText = insertPolyfillHostInCssText(cssText);
cssText = convertColonHost(cssText);
cssText = convertColonHostContext(cssText);
const slotted = convertColonSlotted(cssText, slotScopeId);
cssText = slotted.cssText;
cssText = convertShadowDOMSelectors(cssText);
if (scopeId) {
cssText = scopeSelectors(cssText, scopeId, hostScopeId, slotScopeId);
}
cssText = cssText.replace(/-shadowcsshost-no-combinator/g, `.${hostScopeId}`);
cssText = cssText.replace(/>\s*\*\s+([^{, ]+)/gm, ' $1 ');
return {
cssText: cssText.trim(),
slottedSelectors: slotted.selectors,
};
};
const scopeCss = (cssText, scopeId, commentOriginalSelector) => {
const hostScopeId = scopeId + '-h';
const slotScopeId = scopeId + '-s';
const commentsWithHash = extractCommentsWithHash(cssText);
cssText = stripComments(cssText);
const orgSelectors = [];
if (commentOriginalSelector) {
const processCommentedSelector = (rule) => {
const placeholder = `/*!@___${orgSelectors.length}___*/`;
const comment = `/*!@${rule.selector}*/`;
orgSelectors.push({ placeholder, comment });
rule.selector = placeholder + rule.selector;
return rule;
};
cssText = processRules(cssText, rule => {
if (rule.selector[0] !== '@') {
return processCommentedSelector(rule);
}
else if (rule.selector.startsWith('@media') || rule.selector.startsWith('@supports') || rule.selector.startsWith('@page') || rule.selector.startsWith('@document')) {
rule.content = processRules(rule.content, processCommentedSelector);
return rule;
}
return rule;
});
}
const scoped = scopeCssText(cssText, scopeId, hostScopeId, slotScopeId);
cssText = [scoped.cssText, ...commentsWithHash].join('\n');
if (commentOriginalSelector) {
orgSelectors.forEach(({ placeholder, comment }) => {
cssText = cssText.replace(placeholder, comment);
});
}
scoped.slottedSelectors.forEach(slottedSelector => {
cssText = cssText.replace(slottedSelector.orgSelector, slottedSelector.updatedSelector);
});
return cssText;
};
/***/ })
}]);
//# sourceMappingURL=shadow-css-58508bb5-js-es2015.js.map