"use strict";
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function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }
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function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
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var parser = require('postcss-value-parser');
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var Value = require('./value');
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var insertAreas = require('./hacks/grid-utils').insertAreas;
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var OLD_LINEAR = /(^|[^-])linear-gradient\(\s*(top|left|right|bottom)/i;
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var OLD_RADIAL = /(^|[^-])radial-gradient\(\s*\d+(\w*|%)\s+\d+(\w*|%)\s*,/i;
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var IGNORE_NEXT = /(!\s*)?autoprefixer:\s*ignore\s+next/i;
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var GRID_REGEX = /(!\s*)?autoprefixer\s*grid:\s*(on|off|(no-)?autoplace)/i;
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var SIZES = ['width', 'height', 'min-width', 'max-width', 'min-height', 'max-height', 'inline-size', 'min-inline-size', 'max-inline-size', 'block-size', 'min-block-size', 'max-block-size'];
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function hasGridTemplate(decl) {
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return decl.parent.some(function (i) {
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return i.prop === 'grid-template' || i.prop === 'grid-template-areas';
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});
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}
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function hasRowsAndColumns(decl) {
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var hasRows = decl.parent.some(function (i) {
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return i.prop === 'grid-template-rows';
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});
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var hasColumns = decl.parent.some(function (i) {
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return i.prop === 'grid-template-columns';
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});
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return hasRows && hasColumns;
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}
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var Processor = /*#__PURE__*/function () {
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function Processor(prefixes) {
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this.prefixes = prefixes;
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}
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/**
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* Add necessary prefixes
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*/
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var _proto = Processor.prototype;
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_proto.add = function add(css, result) {
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var _this = this;
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// At-rules
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var resolution = this.prefixes.add['@resolution'];
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var keyframes = this.prefixes.add['@keyframes'];
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var viewport = this.prefixes.add['@viewport'];
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var supports = this.prefixes.add['@supports'];
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css.walkAtRules(function (rule) {
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if (rule.name === 'keyframes') {
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if (!_this.disabled(rule, result)) {
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return keyframes && keyframes.process(rule);
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}
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} else if (rule.name === 'viewport') {
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if (!_this.disabled(rule, result)) {
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return viewport && viewport.process(rule);
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}
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} else if (rule.name === 'supports') {
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if (_this.prefixes.options.supports !== false && !_this.disabled(rule, result)) {
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return supports.process(rule);
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}
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} else if (rule.name === 'media' && rule.params.includes('-resolution')) {
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if (!_this.disabled(rule, result)) {
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return resolution && resolution.process(rule);
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}
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}
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return undefined;
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}); // Selectors
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css.walkRules(function (rule) {
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if (_this.disabled(rule, result)) return undefined;
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return _this.prefixes.add.selectors.map(function (selector) {
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return selector.process(rule, result);
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});
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});
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function insideGrid(decl) {
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return decl.parent.nodes.some(function (node) {
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if (node.type !== 'decl') return false;
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var displayGrid = node.prop === 'display' && /(inline-)?grid/.test(node.value);
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var gridTemplate = node.prop.startsWith('grid-template');
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var gridGap = /^grid-([A-z]+-)?gap/.test(node.prop);
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return displayGrid || gridTemplate || gridGap;
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});
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}
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function insideFlex(decl) {
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return decl.parent.some(function (node) {
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return node.prop === 'display' && /(inline-)?flex/.test(node.value);
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});
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}
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var gridPrefixes = this.gridStatus(css, result) && this.prefixes.add['grid-area'] && this.prefixes.add['grid-area'].prefixes;
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css.walkDecls(function (decl) {
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if (_this.disabledDecl(decl, result)) return undefined;
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var parent = decl.parent;
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var prop = decl.prop;
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var value = decl.value;
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if (prop === 'grid-row-span') {
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result.warn('grid-row-span is not part of final Grid Layout. Use grid-row.', {
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node: decl
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});
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return undefined;
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} else if (prop === 'grid-column-span') {
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result.warn('grid-column-span is not part of final Grid Layout. Use grid-column.', {
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node: decl
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});
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return undefined;
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} else if (prop === 'display' && value === 'box') {
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result.warn('You should write display: flex by final spec ' + 'instead of display: box', {
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node: decl
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});
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return undefined;
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} else if (prop === 'text-emphasis-position') {
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if (value === 'under' || value === 'over') {
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result.warn('You should use 2 values for text-emphasis-position ' + 'For example, `under left` instead of just `under`.', {
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node: decl
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});
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}
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} else if (/^(align|justify|place)-(items|content)$/.test(prop) && insideFlex(decl)) {
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if (value === 'start' || value === 'end') {
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result.warn(value + " value has mixed support, consider using " + ("flex-" + value + " instead"), {
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node: decl
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});
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}
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} else if (prop === 'text-decoration-skip' && value === 'ink') {
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result.warn('Replace text-decoration-skip: ink to ' + 'text-decoration-skip-ink: auto, because spec had been changed', {
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node: decl
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});
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} else {
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if (gridPrefixes && _this.gridStatus(decl, result)) {
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if (decl.value === 'subgrid') {
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result.warn('IE does not support subgrid', {
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node: decl
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});
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}
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if (/^(align|justify|place)-items$/.test(prop) && insideGrid(decl)) {
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var fixed = prop.replace('-items', '-self');
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result.warn("IE does not support " + prop + " on grid containers. " + ("Try using " + fixed + " on child elements instead: ") + (decl.parent.selector + " > * { " + fixed + ": " + decl.value + " }"), {
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node: decl
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});
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} else if (/^(align|justify|place)-content$/.test(prop) && insideGrid(decl)) {
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result.warn("IE does not support " + decl.prop + " on grid containers", {
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node: decl
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});
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} else if (prop === 'display' && decl.value === 'contents') {
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result.warn('Please do not use display: contents; ' + 'if you have grid setting enabled', {
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node: decl
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});
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return undefined;
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} else if (decl.prop === 'grid-gap') {
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var status = _this.gridStatus(decl, result);
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if (status === 'autoplace' && !hasRowsAndColumns(decl) && !hasGridTemplate(decl)) {
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result.warn('grid-gap only works if grid-template(-areas) is being ' + 'used or both rows and columns have been declared ' + 'and cells have not been manually ' + 'placed inside the explicit grid', {
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node: decl
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});
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} else if ((status === true || status === 'no-autoplace') && !hasGridTemplate(decl)) {
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result.warn('grid-gap only works if grid-template(-areas) is being used', {
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node: decl
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});
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}
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} else if (prop === 'grid-auto-columns') {
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result.warn('grid-auto-columns is not supported by IE', {
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node: decl
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});
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return undefined;
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} else if (prop === 'grid-auto-rows') {
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result.warn('grid-auto-rows is not supported by IE', {
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node: decl
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});
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return undefined;
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} else if (prop === 'grid-auto-flow') {
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var hasRows = parent.some(function (i) {
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return i.prop === 'grid-template-rows';
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});
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var hasCols = parent.some(function (i) {
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return i.prop === 'grid-template-columns';
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});
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if (hasGridTemplate(decl)) {
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result.warn('grid-auto-flow is not supported by IE', {
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node: decl
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});
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} else if (value.includes('dense')) {
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result.warn('grid-auto-flow: dense is not supported by IE', {
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node: decl
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});
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} else if (!hasRows && !hasCols) {
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result.warn('grid-auto-flow works only if grid-template-rows and ' + 'grid-template-columns are present in the same rule', {
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node: decl
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});
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}
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return undefined;
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} else if (value.includes('auto-fit')) {
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result.warn('auto-fit value is not supported by IE', {
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node: decl,
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word: 'auto-fit'
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});
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return undefined;
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} else if (value.includes('auto-fill')) {
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result.warn('auto-fill value is not supported by IE', {
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node: decl,
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word: 'auto-fill'
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});
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return undefined;
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} else if (prop.startsWith('grid-template') && value.includes('[')) {
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result.warn('Autoprefixer currently does not support line names. ' + 'Try using grid-template-areas instead.', {
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node: decl,
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word: '['
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});
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}
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}
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if (value.includes('radial-gradient')) {
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if (OLD_RADIAL.test(decl.value)) {
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result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `closest-side at 0 0` ' + 'instead of `0 0, closest-side`.', {
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node: decl
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});
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} else {
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var ast = parser(value);
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for (var _iterator = _createForOfIteratorHelperLoose(ast.nodes), _step; !(_step = _iterator()).done;) {
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var i = _step.value;
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if (i.type === 'function' && i.value === 'radial-gradient') {
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for (var _iterator2 = _createForOfIteratorHelperLoose(i.nodes), _step2; !(_step2 = _iterator2()).done;) {
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var word = _step2.value;
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if (word.type === 'word') {
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if (word.value === 'cover') {
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result.warn('Gradient has outdated direction syntax. ' + 'Replace `cover` to `farthest-corner`.', {
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node: decl
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});
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} else if (word.value === 'contain') {
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result.warn('Gradient has outdated direction syntax. ' + 'Replace `contain` to `closest-side`.', {
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node: decl
|
});
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}
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}
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}
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}
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}
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}
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}
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if (value.includes('linear-gradient')) {
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if (OLD_LINEAR.test(value)) {
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result.warn('Gradient has outdated direction syntax. ' + 'New syntax is like `to left` instead of `right`.', {
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node: decl
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});
|
}
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}
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}
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if (SIZES.includes(decl.prop)) {
|
if (!decl.value.includes('-fill-available')) {
|
if (decl.value.includes('fill-available')) {
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result.warn('Replace fill-available to stretch, ' + 'because spec had been changed', {
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node: decl
|
});
|
} else if (decl.value.includes('fill')) {
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var _ast = parser(value);
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if (_ast.nodes.some(function (i) {
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return i.type === 'word' && i.value === 'fill';
|
})) {
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result.warn('Replace fill to stretch, because spec had been changed', {
|
node: decl
|
});
|
}
|
}
|
}
|
}
|
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var prefixer;
|
|
if (decl.prop === 'transition' || decl.prop === 'transition-property') {
|
// Transition
|
return _this.prefixes.transition.add(decl, result);
|
} else if (decl.prop === 'align-self') {
|
// align-self flexbox or grid
|
var display = _this.displayType(decl);
|
|
if (display !== 'grid' && _this.prefixes.options.flexbox !== false) {
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prefixer = _this.prefixes.add['align-self'];
|
|
if (prefixer && prefixer.prefixes) {
|
prefixer.process(decl);
|
}
|
}
|
|
if (_this.gridStatus(decl, result) !== false) {
|
prefixer = _this.prefixes.add['grid-row-align'];
|
|
if (prefixer && prefixer.prefixes) {
|
return prefixer.process(decl, result);
|
}
|
}
|
} else if (decl.prop === 'justify-self') {
|
// justify-self flexbox or grid
|
if (_this.gridStatus(decl, result) !== false) {
|
prefixer = _this.prefixes.add['grid-column-align'];
|
|
if (prefixer && prefixer.prefixes) {
|
return prefixer.process(decl, result);
|
}
|
}
|
} else if (decl.prop === 'place-self') {
|
prefixer = _this.prefixes.add['place-self'];
|
|
if (prefixer && prefixer.prefixes && _this.gridStatus(decl, result) !== false) {
|
return prefixer.process(decl, result);
|
}
|
} else {
|
// Properties
|
prefixer = _this.prefixes.add[decl.prop];
|
|
if (prefixer && prefixer.prefixes) {
|
return prefixer.process(decl, result);
|
}
|
}
|
|
return undefined;
|
}); // Insert grid-area prefixes. We need to be able to store the different
|
// rules as a data and hack API is not enough for this
|
|
if (this.gridStatus(css, result)) {
|
insertAreas(css, this.disabled);
|
} // Values
|
|
|
return css.walkDecls(function (decl) {
|
if (_this.disabledValue(decl, result)) return;
|
|
var unprefixed = _this.prefixes.unprefixed(decl.prop);
|
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var list = _this.prefixes.values('add', unprefixed);
|
|
if (Array.isArray(list)) {
|
for (var _iterator3 = _createForOfIteratorHelperLoose(list), _step3; !(_step3 = _iterator3()).done;) {
|
var value = _step3.value;
|
if (value.process) value.process(decl, result);
|
}
|
}
|
|
Value.save(_this.prefixes, decl);
|
});
|
}
|
/**
|
* Remove unnecessary pefixes
|
*/
|
;
|
|
_proto.remove = function remove(css, result) {
|
var _this2 = this;
|
|
// At-rules
|
var resolution = this.prefixes.remove['@resolution'];
|
css.walkAtRules(function (rule, i) {
|
if (_this2.prefixes.remove["@" + rule.name]) {
|
if (!_this2.disabled(rule, result)) {
|
rule.parent.removeChild(i);
|
}
|
} else if (rule.name === 'media' && rule.params.includes('-resolution') && resolution) {
|
resolution.clean(rule);
|
}
|
}); // Selectors
|
|
var _loop = function _loop() {
|
var checker = _step4.value;
|
css.walkRules(function (rule, i) {
|
if (checker.check(rule)) {
|
if (!_this2.disabled(rule, result)) {
|
rule.parent.removeChild(i);
|
}
|
}
|
});
|
};
|
|
for (var _iterator4 = _createForOfIteratorHelperLoose(this.prefixes.remove.selectors), _step4; !(_step4 = _iterator4()).done;) {
|
_loop();
|
}
|
|
return css.walkDecls(function (decl, i) {
|
if (_this2.disabled(decl, result)) return;
|
var rule = decl.parent;
|
|
var unprefixed = _this2.prefixes.unprefixed(decl.prop); // Transition
|
|
|
if (decl.prop === 'transition' || decl.prop === 'transition-property') {
|
_this2.prefixes.transition.remove(decl);
|
} // Properties
|
|
|
if (_this2.prefixes.remove[decl.prop] && _this2.prefixes.remove[decl.prop].remove) {
|
var notHack = _this2.prefixes.group(decl).down(function (other) {
|
return _this2.prefixes.normalize(other.prop) === unprefixed;
|
});
|
|
if (unprefixed === 'flex-flow') {
|
notHack = true;
|
}
|
|
if (decl.prop === '-webkit-box-orient') {
|
var hacks = {
|
'flex-direction': true,
|
'flex-flow': true
|
};
|
if (!decl.parent.some(function (j) {
|
return hacks[j.prop];
|
})) return;
|
}
|
|
if (notHack && !_this2.withHackValue(decl)) {
|
if (decl.raw('before').includes('\n')) {
|
_this2.reduceSpaces(decl);
|
}
|
|
rule.removeChild(i);
|
return;
|
}
|
} // Values
|
|
|
for (var _iterator5 = _createForOfIteratorHelperLoose(_this2.prefixes.values('remove', unprefixed)), _step5; !(_step5 = _iterator5()).done;) {
|
var checker = _step5.value;
|
if (!checker.check) continue;
|
if (!checker.check(decl.value)) continue;
|
unprefixed = checker.unprefixed;
|
|
var _notHack = _this2.prefixes.group(decl).down(function (other) {
|
return other.value.includes(unprefixed);
|
});
|
|
if (_notHack) {
|
rule.removeChild(i);
|
return;
|
}
|
}
|
});
|
}
|
/**
|
* Some rare old values, which is not in standard
|
*/
|
;
|
|
_proto.withHackValue = function withHackValue(decl) {
|
return decl.prop === '-webkit-background-clip' && decl.value === 'text';
|
}
|
/**
|
* Check for grid/flexbox options.
|
*/
|
;
|
|
_proto.disabledValue = function disabledValue(node, result) {
|
if (this.gridStatus(node, result) === false && node.type === 'decl') {
|
if (node.prop === 'display' && node.value.includes('grid')) {
|
return true;
|
}
|
}
|
|
if (this.prefixes.options.flexbox === false && node.type === 'decl') {
|
if (node.prop === 'display' && node.value.includes('flex')) {
|
return true;
|
}
|
}
|
|
return this.disabled(node, result);
|
}
|
/**
|
* Check for grid/flexbox options.
|
*/
|
;
|
|
_proto.disabledDecl = function disabledDecl(node, result) {
|
if (this.gridStatus(node, result) === false && node.type === 'decl') {
|
if (node.prop.includes('grid') || node.prop === 'justify-items') {
|
return true;
|
}
|
}
|
|
if (this.prefixes.options.flexbox === false && node.type === 'decl') {
|
var other = ['order', 'justify-content', 'align-items', 'align-content'];
|
|
if (node.prop.includes('flex') || other.includes(node.prop)) {
|
return true;
|
}
|
}
|
|
return this.disabled(node, result);
|
}
|
/**
|
* Check for control comment and global options
|
*/
|
;
|
|
_proto.disabled = function disabled(node, result) {
|
if (!node) return false;
|
|
if (node._autoprefixerDisabled !== undefined) {
|
return node._autoprefixerDisabled;
|
}
|
|
if (node.parent) {
|
var p = node.prev();
|
|
if (p && p.type === 'comment' && IGNORE_NEXT.test(p.text)) {
|
node._autoprefixerDisabled = true;
|
node._autoprefixerSelfDisabled = true;
|
return true;
|
}
|
}
|
|
var value = null;
|
|
if (node.nodes) {
|
var status;
|
node.each(function (i) {
|
if (i.type !== 'comment') return;
|
|
if (/(!\s*)?autoprefixer:\s*(off|on)/i.test(i.text)) {
|
if (typeof status !== 'undefined') {
|
result.warn('Second Autoprefixer control comment ' + 'was ignored. Autoprefixer applies control ' + 'comment to whole block, not to next rules.', {
|
node: i
|
});
|
} else {
|
status = /on/i.test(i.text);
|
}
|
}
|
});
|
|
if (status !== undefined) {
|
value = !status;
|
}
|
}
|
|
if (!node.nodes || value === null) {
|
if (node.parent) {
|
var isParentDisabled = this.disabled(node.parent, result);
|
|
if (node.parent._autoprefixerSelfDisabled === true) {
|
value = false;
|
} else {
|
value = isParentDisabled;
|
}
|
} else {
|
value = false;
|
}
|
}
|
|
node._autoprefixerDisabled = value;
|
return value;
|
}
|
/**
|
* Normalize spaces in cascade declaration group
|
*/
|
;
|
|
_proto.reduceSpaces = function reduceSpaces(decl) {
|
var stop = false;
|
this.prefixes.group(decl).up(function () {
|
stop = true;
|
return true;
|
});
|
|
if (stop) {
|
return;
|
}
|
|
var parts = decl.raw('before').split('\n');
|
var prevMin = parts[parts.length - 1].length;
|
var diff = false;
|
this.prefixes.group(decl).down(function (other) {
|
parts = other.raw('before').split('\n');
|
var last = parts.length - 1;
|
|
if (parts[last].length > prevMin) {
|
if (diff === false) {
|
diff = parts[last].length - prevMin;
|
}
|
|
parts[last] = parts[last].slice(0, -diff);
|
other.raws.before = parts.join('\n');
|
}
|
});
|
}
|
/**
|
* Is it flebox or grid rule
|
*/
|
;
|
|
_proto.displayType = function displayType(decl) {
|
for (var _iterator6 = _createForOfIteratorHelperLoose(decl.parent.nodes), _step6; !(_step6 = _iterator6()).done;) {
|
var i = _step6.value;
|
|
if (i.prop !== 'display') {
|
continue;
|
}
|
|
if (i.value.includes('flex')) {
|
return 'flex';
|
}
|
|
if (i.value.includes('grid')) {
|
return 'grid';
|
}
|
}
|
|
return false;
|
}
|
/**
|
* Set grid option via control comment
|
*/
|
;
|
|
_proto.gridStatus = function gridStatus(node, result) {
|
if (!node) return false;
|
|
if (node._autoprefixerGridStatus !== undefined) {
|
return node._autoprefixerGridStatus;
|
}
|
|
var value = null;
|
|
if (node.nodes) {
|
var status;
|
node.each(function (i) {
|
if (i.type !== 'comment') return;
|
|
if (GRID_REGEX.test(i.text)) {
|
var hasAutoplace = /:\s*autoplace/i.test(i.text);
|
var noAutoplace = /no-autoplace/i.test(i.text);
|
|
if (typeof status !== 'undefined') {
|
result.warn('Second Autoprefixer grid control comment was ' + 'ignored. Autoprefixer applies control comments to the whole ' + 'block, not to the next rules.', {
|
node: i
|
});
|
} else if (hasAutoplace) {
|
status = 'autoplace';
|
} else if (noAutoplace) {
|
status = true;
|
} else {
|
status = /on/i.test(i.text);
|
}
|
}
|
});
|
|
if (status !== undefined) {
|
value = status;
|
}
|
}
|
|
if (node.type === 'atrule' && node.name === 'supports') {
|
var params = node.params;
|
|
if (params.includes('grid') && params.includes('auto')) {
|
value = false;
|
}
|
}
|
|
if (!node.nodes || value === null) {
|
if (node.parent) {
|
var isParentGrid = this.gridStatus(node.parent, result);
|
|
if (node.parent._autoprefixerSelfDisabled === true) {
|
value = false;
|
} else {
|
value = isParentGrid;
|
}
|
} else if (typeof this.prefixes.options.grid !== 'undefined') {
|
value = this.prefixes.options.grid;
|
} else if (typeof process.env.AUTOPREFIXER_GRID !== 'undefined') {
|
if (process.env.AUTOPREFIXER_GRID === 'autoplace') {
|
value = 'autoplace';
|
} else {
|
value = true;
|
}
|
} else {
|
value = false;
|
}
|
}
|
|
node._autoprefixerGridStatus = value;
|
return value;
|
};
|
|
return Processor;
|
}();
|
|
module.exports = Processor;
|
