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562 lines
13 KiB
562 lines
13 KiB
2 years ago
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import { fileURLToPath as __cjs_fileURLToPath } from 'node:url';
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import { dirname as __cjs_dirname } from 'node:path';
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import { createRequire as __cjs_createRequire } from 'node:module';
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const __filename = __cjs_fileURLToPath(import.meta.url);
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const __dirname = __cjs_dirname(__filename);
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const require = __cjs_createRequire(import.meta.url);
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const __require = require;
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var openParentheses = "(".charCodeAt(0);
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var closeParentheses = ")".charCodeAt(0);
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var singleQuote = "'".charCodeAt(0);
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var doubleQuote = '"'.charCodeAt(0);
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var backslash = "\\".charCodeAt(0);
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var slash = "/".charCodeAt(0);
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var comma = ",".charCodeAt(0);
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var colon = ":".charCodeAt(0);
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var star = "*".charCodeAt(0);
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var uLower = "u".charCodeAt(0);
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var uUpper = "U".charCodeAt(0);
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var plus = "+".charCodeAt(0);
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var isUnicodeRange = /^[a-f0-9?-]+$/i;
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var parse$1 = function(input) {
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var tokens = [];
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var value = input;
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var next,
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quote,
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prev,
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token,
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escape,
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escapePos,
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whitespacePos,
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parenthesesOpenPos;
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var pos = 0;
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var code = value.charCodeAt(pos);
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var max = value.length;
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var stack = [{ nodes: tokens }];
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var balanced = 0;
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var parent;
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var name = "";
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var before = "";
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var after = "";
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while (pos < max) {
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// Whitespaces
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if (code <= 32) {
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next = pos;
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do {
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next += 1;
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code = value.charCodeAt(next);
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} while (code <= 32);
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token = value.slice(pos, next);
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prev = tokens[tokens.length - 1];
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if (code === closeParentheses && balanced) {
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after = token;
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} else if (prev && prev.type === "div") {
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prev.after = token;
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prev.sourceEndIndex += token.length;
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} else if (
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code === comma ||
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code === colon ||
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(code === slash &&
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value.charCodeAt(next + 1) !== star &&
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(!parent ||
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(parent && parent.type === "function" && parent.value !== "calc")))
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) {
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before = token;
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} else {
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tokens.push({
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type: "space",
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sourceIndex: pos,
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sourceEndIndex: next,
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value: token
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});
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}
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pos = next;
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// Quotes
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} else if (code === singleQuote || code === doubleQuote) {
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next = pos;
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quote = code === singleQuote ? "'" : '"';
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token = {
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type: "string",
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sourceIndex: pos,
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quote: quote
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};
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do {
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escape = false;
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next = value.indexOf(quote, next + 1);
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if (~next) {
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escapePos = next;
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while (value.charCodeAt(escapePos - 1) === backslash) {
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escapePos -= 1;
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escape = !escape;
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}
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} else {
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value += quote;
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next = value.length - 1;
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token.unclosed = true;
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}
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} while (escape);
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token.value = value.slice(pos + 1, next);
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token.sourceEndIndex = token.unclosed ? next : next + 1;
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tokens.push(token);
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pos = next + 1;
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code = value.charCodeAt(pos);
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// Comments
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} else if (code === slash && value.charCodeAt(pos + 1) === star) {
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next = value.indexOf("*/", pos);
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token = {
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type: "comment",
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sourceIndex: pos,
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sourceEndIndex: next + 2
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};
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if (next === -1) {
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token.unclosed = true;
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next = value.length;
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token.sourceEndIndex = next;
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}
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token.value = value.slice(pos + 2, next);
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tokens.push(token);
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pos = next + 2;
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code = value.charCodeAt(pos);
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// Operation within calc
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} else if (
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(code === slash || code === star) &&
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parent &&
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parent.type === "function" &&
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parent.value === "calc"
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) {
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token = value[pos];
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tokens.push({
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type: "word",
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sourceIndex: pos - before.length,
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sourceEndIndex: pos + token.length,
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value: token
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});
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pos += 1;
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code = value.charCodeAt(pos);
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// Dividers
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} else if (code === slash || code === comma || code === colon) {
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token = value[pos];
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tokens.push({
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type: "div",
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sourceIndex: pos - before.length,
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sourceEndIndex: pos + token.length,
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value: token,
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before: before,
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after: ""
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});
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before = "";
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pos += 1;
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code = value.charCodeAt(pos);
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// Open parentheses
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} else if (openParentheses === code) {
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// Whitespaces after open parentheses
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next = pos;
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do {
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next += 1;
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code = value.charCodeAt(next);
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} while (code <= 32);
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parenthesesOpenPos = pos;
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token = {
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type: "function",
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sourceIndex: pos - name.length,
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value: name,
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before: value.slice(parenthesesOpenPos + 1, next)
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};
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pos = next;
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if (name === "url" && code !== singleQuote && code !== doubleQuote) {
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next -= 1;
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do {
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escape = false;
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next = value.indexOf(")", next + 1);
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if (~next) {
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escapePos = next;
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while (value.charCodeAt(escapePos - 1) === backslash) {
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escapePos -= 1;
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escape = !escape;
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}
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} else {
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value += ")";
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next = value.length - 1;
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token.unclosed = true;
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}
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} while (escape);
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// Whitespaces before closed
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whitespacePos = next;
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do {
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whitespacePos -= 1;
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code = value.charCodeAt(whitespacePos);
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} while (code <= 32);
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if (parenthesesOpenPos < whitespacePos) {
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if (pos !== whitespacePos + 1) {
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token.nodes = [
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{
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type: "word",
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sourceIndex: pos,
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sourceEndIndex: whitespacePos + 1,
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value: value.slice(pos, whitespacePos + 1)
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}
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];
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} else {
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token.nodes = [];
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}
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if (token.unclosed && whitespacePos + 1 !== next) {
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token.after = "";
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token.nodes.push({
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type: "space",
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sourceIndex: whitespacePos + 1,
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sourceEndIndex: next,
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value: value.slice(whitespacePos + 1, next)
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});
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} else {
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token.after = value.slice(whitespacePos + 1, next);
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token.sourceEndIndex = next;
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}
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} else {
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token.after = "";
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token.nodes = [];
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}
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pos = next + 1;
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token.sourceEndIndex = token.unclosed ? next : pos;
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code = value.charCodeAt(pos);
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tokens.push(token);
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} else {
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balanced += 1;
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token.after = "";
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token.sourceEndIndex = pos + 1;
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tokens.push(token);
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stack.push(token);
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tokens = token.nodes = [];
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parent = token;
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}
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name = "";
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// Close parentheses
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} else if (closeParentheses === code && balanced) {
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pos += 1;
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code = value.charCodeAt(pos);
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parent.after = after;
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parent.sourceEndIndex += after.length;
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after = "";
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balanced -= 1;
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stack[stack.length - 1].sourceEndIndex = pos;
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stack.pop();
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parent = stack[balanced];
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tokens = parent.nodes;
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// Words
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} else {
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next = pos;
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do {
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if (code === backslash) {
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next += 1;
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}
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next += 1;
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code = value.charCodeAt(next);
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} while (
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next < max &&
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!(
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code <= 32 ||
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code === singleQuote ||
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code === doubleQuote ||
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code === comma ||
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code === colon ||
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code === slash ||
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code === openParentheses ||
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(code === star &&
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parent &&
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parent.type === "function" &&
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parent.value === "calc") ||
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(code === slash &&
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parent.type === "function" &&
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parent.value === "calc") ||
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(code === closeParentheses && balanced)
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)
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);
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token = value.slice(pos, next);
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if (openParentheses === code) {
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name = token;
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} else if (
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(uLower === token.charCodeAt(0) || uUpper === token.charCodeAt(0)) &&
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plus === token.charCodeAt(1) &&
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isUnicodeRange.test(token.slice(2))
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) {
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tokens.push({
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type: "unicode-range",
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sourceIndex: pos,
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sourceEndIndex: next,
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value: token
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});
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} else {
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tokens.push({
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type: "word",
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sourceIndex: pos,
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sourceEndIndex: next,
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value: token
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});
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}
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pos = next;
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}
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}
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for (pos = stack.length - 1; pos; pos -= 1) {
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stack[pos].unclosed = true;
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stack[pos].sourceEndIndex = value.length;
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}
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return stack[0].nodes;
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};
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var walk$1 = function walk(nodes, cb, bubble) {
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var i, max, node, result;
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for (i = 0, max = nodes.length; i < max; i += 1) {
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node = nodes[i];
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if (!bubble) {
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result = cb(node, i, nodes);
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}
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if (
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result !== false &&
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node.type === "function" &&
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Array.isArray(node.nodes)
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) {
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walk(node.nodes, cb, bubble);
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}
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if (bubble) {
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cb(node, i, nodes);
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}
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}
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};
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function stringifyNode(node, custom) {
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var type = node.type;
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var value = node.value;
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var buf;
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var customResult;
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if (custom && (customResult = custom(node)) !== undefined) {
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return customResult;
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} else if (type === "word" || type === "space") {
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return value;
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} else if (type === "string") {
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buf = node.quote || "";
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return buf + value + (node.unclosed ? "" : buf);
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} else if (type === "comment") {
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return "/*" + value + (node.unclosed ? "" : "*/");
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} else if (type === "div") {
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return (node.before || "") + value + (node.after || "");
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} else if (Array.isArray(node.nodes)) {
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buf = stringify$1(node.nodes, custom);
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if (type !== "function") {
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return buf;
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}
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return (
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value +
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"(" +
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(node.before || "") +
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buf +
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(node.after || "") +
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(node.unclosed ? "" : ")")
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);
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}
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return value;
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}
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function stringify$1(nodes, custom) {
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var result, i;
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if (Array.isArray(nodes)) {
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result = "";
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for (i = nodes.length - 1; ~i; i -= 1) {
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result = stringifyNode(nodes[i], custom) + result;
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}
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return result;
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}
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return stringifyNode(nodes, custom);
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}
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var stringify_1 = stringify$1;
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var unit;
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var hasRequiredUnit;
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function requireUnit () {
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if (hasRequiredUnit) return unit;
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hasRequiredUnit = 1;
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var minus = "-".charCodeAt(0);
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var plus = "+".charCodeAt(0);
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var dot = ".".charCodeAt(0);
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var exp = "e".charCodeAt(0);
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var EXP = "E".charCodeAt(0);
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// Check if three code points would start a number
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// https://www.w3.org/TR/css-syntax-3/#starts-with-a-number
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function likeNumber(value) {
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var code = value.charCodeAt(0);
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var nextCode;
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if (code === plus || code === minus) {
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nextCode = value.charCodeAt(1);
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if (nextCode >= 48 && nextCode <= 57) {
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return true;
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}
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var nextNextCode = value.charCodeAt(2);
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if (nextCode === dot && nextNextCode >= 48 && nextNextCode <= 57) {
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return true;
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}
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return false;
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}
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if (code === dot) {
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nextCode = value.charCodeAt(1);
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if (nextCode >= 48 && nextCode <= 57) {
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return true;
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}
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|
return false;
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|
}
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if (code >= 48 && code <= 57) {
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return true;
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}
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return false;
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}
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// Consume a number
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// https://www.w3.org/TR/css-syntax-3/#consume-number
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unit = function(value) {
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var pos = 0;
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|
var length = value.length;
|
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|
var code;
|
||
|
var nextCode;
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||
|
var nextNextCode;
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||
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||
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if (length === 0 || !likeNumber(value)) {
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|
return false;
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|
}
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|
code = value.charCodeAt(pos);
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||
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|
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|
if (code === plus || code === minus) {
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|
pos++;
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|
}
|
||
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|
||
|
while (pos < length) {
|
||
|
code = value.charCodeAt(pos);
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||
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|
||
|
if (code < 48 || code > 57) {
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|
break;
|
||
|
}
|
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|
pos += 1;
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}
|
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code = value.charCodeAt(pos);
|
||
|
nextCode = value.charCodeAt(pos + 1);
|
||
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|
if (code === dot && nextCode >= 48 && nextCode <= 57) {
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||
|
pos += 2;
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||
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||
|
while (pos < length) {
|
||
|
code = value.charCodeAt(pos);
|
||
|
|
||
|
if (code < 48 || code > 57) {
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
pos += 1;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
code = value.charCodeAt(pos);
|
||
|
nextCode = value.charCodeAt(pos + 1);
|
||
|
nextNextCode = value.charCodeAt(pos + 2);
|
||
|
|
||
|
if (
|
||
|
(code === exp || code === EXP) &&
|
||
|
((nextCode >= 48 && nextCode <= 57) ||
|
||
|
((nextCode === plus || nextCode === minus) &&
|
||
|
nextNextCode >= 48 &&
|
||
|
nextNextCode <= 57))
|
||
|
) {
|
||
|
pos += nextCode === plus || nextCode === minus ? 3 : 2;
|
||
|
|
||
|
while (pos < length) {
|
||
|
code = value.charCodeAt(pos);
|
||
|
|
||
|
if (code < 48 || code > 57) {
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
pos += 1;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return {
|
||
|
number: value.slice(0, pos),
|
||
|
unit: value.slice(pos)
|
||
|
};
|
||
|
};
|
||
|
return unit;
|
||
|
}
|
||
|
|
||
|
var parse = parse$1;
|
||
|
var walk = walk$1;
|
||
|
var stringify = stringify_1;
|
||
|
|
||
|
function ValueParser(value) {
|
||
|
if (this instanceof ValueParser) {
|
||
|
this.nodes = parse(value);
|
||
|
return this;
|
||
|
}
|
||
|
return new ValueParser(value);
|
||
|
}
|
||
|
|
||
|
ValueParser.prototype.toString = function() {
|
||
|
return Array.isArray(this.nodes) ? stringify(this.nodes) : "";
|
||
|
};
|
||
|
|
||
|
ValueParser.prototype.walk = function(cb, bubble) {
|
||
|
walk(this.nodes, cb, bubble);
|
||
|
return this;
|
||
|
};
|
||
|
|
||
|
ValueParser.unit = requireUnit();
|
||
|
|
||
|
ValueParser.walk = walk;
|
||
|
|
||
|
ValueParser.stringify = stringify;
|
||
|
|
||
|
var lib = ValueParser;
|
||
|
|
||
|
export { lib as l };
|