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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
normalize: function() {
return normalize;
},
url: function() {
return url;
},
number: function() {
return number;
},
percentage: function() {
return percentage;
},
length: function() {
return length;
},
lineWidth: function() {
return lineWidth;
},
shadow: function() {
return shadow;
},
color: function() {
return color;
},
image: function() {
return image;
},
gradient: function() {
return gradient;
},
position: function() {
return position;
},
familyName: function() {
return familyName;
},
genericName: function() {
return genericName;
},
absoluteSize: function() {
return absoluteSize;
},
relativeSize: function() {
return relativeSize;
}
});
const _color = require("./color");
const _parseBoxShadowValue = require("./parseBoxShadowValue");
const _splitAtTopLevelOnly = require("./splitAtTopLevelOnly");
let cssFunctions = [
"min",
"max",
"clamp",
"calc"
];
// Ref: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Types
function isCSSFunction(value) {
return cssFunctions.some((fn)=>new RegExp(`^${fn}\\(.*\\)`).test(value));
}
const placeholder = "--tw-placeholder";
const placeholderRe = new RegExp(placeholder, "g");
function normalize(value, isRoot = true) {
if (value.startsWith("--")) {
return `var(${value})`;
}
// Keep raw strings if it starts with `url(`
if (value.includes("url(")) {
return value.split(/(url\(.*?\))/g).filter(Boolean).map((part)=>{
if (/^url\(.*?\)$/.test(part)) {
return part;
}
return normalize(part, false);
}).join("");
}
// Convert `_` to ` `, except for escaped underscores `\_`
value = value.replace(/([^\\])_+/g, (fullMatch, characterBefore)=>characterBefore + " ".repeat(fullMatch.length - 1)).replace(/^_/g, " ").replace(/\\_/g, "_");
// Remove leftover whitespace
if (isRoot) {
value = value.trim();
}
// Add spaces around operators inside math functions like calc() that do not follow an operator
// or '('.
value = value.replace(/(calc|min|max|clamp)\(.+\)/g, (match)=>{
let vars = [];
return match.replace(/var\((--.+?)[,)]/g, (match, g1)=>{
vars.push(g1);
return match.replace(g1, placeholder);
}).replace(/(-?\d*\.?\d(?!\b-\d.+[,)](?![^+\-/*])\D)(?:%|[a-z]+)?|\))([+\-/*])/g, "$1 $2 ").replace(placeholderRe, ()=>vars.shift());
});
return value;
}
function url(value) {
return value.startsWith("url(");
}
function number(value) {
return !isNaN(Number(value)) || isCSSFunction(value);
}
function percentage(value) {
return value.endsWith("%") && number(value.slice(0, -1)) || isCSSFunction(value);
}
// Please refer to MDN when updating this list:
// https://developer.mozilla.org/en-US/docs/Learn/CSS/Building_blocks/Values_and_units
// https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Container_Queries#container_query_length_units
let lengthUnits = [
"cm",
"mm",
"Q",
"in",
"pc",
"pt",
"px",
"em",
"ex",
"ch",
"rem",
"lh",
"rlh",
"vw",
"vh",
"vmin",
"vmax",
"vb",
"vi",
"svw",
"svh",
"lvw",
"lvh",
"dvw",
"dvh",
"cqw",
"cqh",
"cqi",
"cqb",
"cqmin",
"cqmax"
];
let lengthUnitsPattern = `(?:${lengthUnits.join("|")})`;
function length(value) {
return value === "0" || new RegExp(`^[+-]?[0-9]*\.?[0-9]+(?:[eE][+-]?[0-9]+)?${lengthUnitsPattern}$`).test(value) || isCSSFunction(value);
}
let lineWidths = new Set([
"thin",
"medium",
"thick"
]);
function lineWidth(value) {
return lineWidths.has(value);
}
function shadow(value) {
let parsedShadows = (0, _parseBoxShadowValue.parseBoxShadowValue)(normalize(value));
for (let parsedShadow of parsedShadows){
if (!parsedShadow.valid) {
return false;
}
}
return true;
}
function color(value) {
let colors = 0;
let result = (0, _splitAtTopLevelOnly.splitAtTopLevelOnly)(value, "_").every((part)=>{
part = normalize(part);
if (part.startsWith("var(")) return true;
if ((0, _color.parseColor)(part, {
loose: true
}) !== null) return colors++, true;
return false;
});
if (!result) return false;
return colors > 0;
}
function image(value) {
let images = 0;
let result = (0, _splitAtTopLevelOnly.splitAtTopLevelOnly)(value, ",").every((part)=>{
part = normalize(part);
if (part.startsWith("var(")) return true;
if (url(part) || gradient(part) || [
"element(",
"image(",
"cross-fade(",
"image-set("
].some((fn)=>part.startsWith(fn))) {
images++;
return true;
}
return false;
});
if (!result) return false;
return images > 0;
}
let gradientTypes = new Set([
"linear-gradient",
"radial-gradient",
"repeating-linear-gradient",
"repeating-radial-gradient",
"conic-gradient"
]);
function gradient(value) {
value = normalize(value);
for (let type of gradientTypes){
if (value.startsWith(`${type}(`)) {
return true;
}
}
return false;
}
let validPositions = new Set([
"center",
"top",
"right",
"bottom",
"left"
]);
function position(value) {
let positions = 0;
let result = (0, _splitAtTopLevelOnly.splitAtTopLevelOnly)(value, "_").every((part)=>{
part = normalize(part);
if (part.startsWith("var(")) return true;
if (validPositions.has(part) || length(part) || percentage(part)) {
positions++;
return true;
}
return false;
});
if (!result) return false;
return positions > 0;
}
function familyName(value) {
let fonts = 0;
let result = (0, _splitAtTopLevelOnly.splitAtTopLevelOnly)(value, ",").every((part)=>{
part = normalize(part);
if (part.startsWith("var(")) return true;
// If it contains spaces, then it should be quoted
if (part.includes(" ")) {
if (!/(['"])([^"']+)\1/g.test(part)) {
return false;
}
}
// If it starts with a number, it's invalid
if (/^\d/g.test(part)) {
return false;
}
fonts++;
return true;
});
if (!result) return false;
return fonts > 0;
}
let genericNames = new Set([
"serif",
"sans-serif",
"monospace",
"cursive",
"fantasy",
"system-ui",
"ui-serif",
"ui-sans-serif",
"ui-monospace",
"ui-rounded",
"math",
"emoji",
"fangsong"
]);
function genericName(value) {
return genericNames.has(value);
}
let absoluteSizes = new Set([
"xx-small",
"x-small",
"small",
"medium",
"large",
"x-large",
"x-large",
"xxx-large"
]);
function absoluteSize(value) {
return absoluteSizes.has(value);
}
let relativeSizes = new Set([
"larger",
"smaller"
]);
function relativeSize(value) {
return relativeSizes.has(value);
}