stringifier.js 34 KB

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  1. "use strict";
  2. exports.__esModule = true;
  3. exports.default = void 0;
  4. var DEFAULT_RAW = {
  5. colon: ': ',
  6. indent: ' ',
  7. beforeDecl: '\n',
  8. beforeRule: '\n',
  9. beforeOpen: ' ',
  10. beforeClose: '\n',
  11. beforeComment: '\n',
  12. after: '\n',
  13. emptyBody: '',
  14. commentLeft: ' ',
  15. commentRight: ' '
  16. };
  17. function capitalize(str) {
  18. return str[0].toUpperCase() + str.slice(1);
  19. }
  20. var Stringifier =
  21. /*#__PURE__*/
  22. function () {
  23. function Stringifier(builder) {
  24. this.builder = builder;
  25. }
  26. var _proto = Stringifier.prototype;
  27. _proto.stringify = function stringify(node, semicolon) {
  28. this[node.type](node, semicolon);
  29. };
  30. _proto.root = function root(node) {
  31. this.body(node);
  32. if (node.raws.after) this.builder(node.raws.after);
  33. };
  34. _proto.comment = function comment(node) {
  35. var left = this.raw(node, 'left', 'commentLeft');
  36. var right = this.raw(node, 'right', 'commentRight');
  37. this.builder('/*' + left + node.text + right + '*/', node);
  38. };
  39. _proto.decl = function decl(node, semicolon) {
  40. var between = this.raw(node, 'between', 'colon');
  41. var string = node.prop + between + this.rawValue(node, 'value');
  42. if (node.important) {
  43. string += node.raws.important || ' !important';
  44. }
  45. if (semicolon) string += ';';
  46. this.builder(string, node);
  47. };
  48. _proto.rule = function rule(node) {
  49. this.block(node, this.rawValue(node, 'selector'));
  50. if (node.raws.ownSemicolon) {
  51. this.builder(node.raws.ownSemicolon, node, 'end');
  52. }
  53. };
  54. _proto.atrule = function atrule(node, semicolon) {
  55. var name = '@' + node.name;
  56. var params = node.params ? this.rawValue(node, 'params') : '';
  57. if (typeof node.raws.afterName !== 'undefined') {
  58. name += node.raws.afterName;
  59. } else if (params) {
  60. name += ' ';
  61. }
  62. if (node.nodes) {
  63. this.block(node, name + params);
  64. } else {
  65. var end = (node.raws.between || '') + (semicolon ? ';' : '');
  66. this.builder(name + params + end, node);
  67. }
  68. };
  69. _proto.body = function body(node) {
  70. var last = node.nodes.length - 1;
  71. while (last > 0) {
  72. if (node.nodes[last].type !== 'comment') break;
  73. last -= 1;
  74. }
  75. var semicolon = this.raw(node, 'semicolon');
  76. for (var i = 0; i < node.nodes.length; i++) {
  77. var child = node.nodes[i];
  78. var before = this.raw(child, 'before');
  79. if (before) this.builder(before);
  80. this.stringify(child, last !== i || semicolon);
  81. }
  82. };
  83. _proto.block = function block(node, start) {
  84. var between = this.raw(node, 'between', 'beforeOpen');
  85. this.builder(start + between + '{', node, 'start');
  86. var after;
  87. if (node.nodes && node.nodes.length) {
  88. this.body(node);
  89. after = this.raw(node, 'after');
  90. } else {
  91. after = this.raw(node, 'after', 'emptyBody');
  92. }
  93. if (after) this.builder(after);
  94. this.builder('}', node, 'end');
  95. };
  96. _proto.raw = function raw(node, own, detect) {
  97. var value;
  98. if (!detect) detect = own; // Already had
  99. if (own) {
  100. value = node.raws[own];
  101. if (typeof value !== 'undefined') return value;
  102. }
  103. var parent = node.parent; // Hack for first rule in CSS
  104. if (detect === 'before') {
  105. if (!parent || parent.type === 'root' && parent.first === node) {
  106. return '';
  107. }
  108. } // Floating child without parent
  109. if (!parent) return DEFAULT_RAW[detect]; // Detect style by other nodes
  110. var root = node.root();
  111. if (!root.rawCache) root.rawCache = {};
  112. if (typeof root.rawCache[detect] !== 'undefined') {
  113. return root.rawCache[detect];
  114. }
  115. if (detect === 'before' || detect === 'after') {
  116. return this.beforeAfter(node, detect);
  117. } else {
  118. var method = 'raw' + capitalize(detect);
  119. if (this[method]) {
  120. value = this[method](root, node);
  121. } else {
  122. root.walk(function (i) {
  123. value = i.raws[own];
  124. if (typeof value !== 'undefined') return false;
  125. });
  126. }
  127. }
  128. if (typeof value === 'undefined') value = DEFAULT_RAW[detect];
  129. root.rawCache[detect] = value;
  130. return value;
  131. };
  132. _proto.rawSemicolon = function rawSemicolon(root) {
  133. var value;
  134. root.walk(function (i) {
  135. if (i.nodes && i.nodes.length && i.last.type === 'decl') {
  136. value = i.raws.semicolon;
  137. if (typeof value !== 'undefined') return false;
  138. }
  139. });
  140. return value;
  141. };
  142. _proto.rawEmptyBody = function rawEmptyBody(root) {
  143. var value;
  144. root.walk(function (i) {
  145. if (i.nodes && i.nodes.length === 0) {
  146. value = i.raws.after;
  147. if (typeof value !== 'undefined') return false;
  148. }
  149. });
  150. return value;
  151. };
  152. _proto.rawIndent = function rawIndent(root) {
  153. if (root.raws.indent) return root.raws.indent;
  154. var value;
  155. root.walk(function (i) {
  156. var p = i.parent;
  157. if (p && p !== root && p.parent && p.parent === root) {
  158. if (typeof i.raws.before !== 'undefined') {
  159. var parts = i.raws.before.split('\n');
  160. value = parts[parts.length - 1];
  161. value = value.replace(/[^\s]/g, '');
  162. return false;
  163. }
  164. }
  165. });
  166. return value;
  167. };
  168. _proto.rawBeforeComment = function rawBeforeComment(root, node) {
  169. var value;
  170. root.walkComments(function (i) {
  171. if (typeof i.raws.before !== 'undefined') {
  172. value = i.raws.before;
  173. if (value.indexOf('\n') !== -1) {
  174. value = value.replace(/[^\n]+$/, '');
  175. }
  176. return false;
  177. }
  178. });
  179. if (typeof value === 'undefined') {
  180. value = this.raw(node, null, 'beforeDecl');
  181. } else if (value) {
  182. value = value.replace(/[^\s]/g, '');
  183. }
  184. return value;
  185. };
  186. _proto.rawBeforeDecl = function rawBeforeDecl(root, node) {
  187. var value;
  188. root.walkDecls(function (i) {
  189. if (typeof i.raws.before !== 'undefined') {
  190. value = i.raws.before;
  191. if (value.indexOf('\n') !== -1) {
  192. value = value.replace(/[^\n]+$/, '');
  193. }
  194. return false;
  195. }
  196. });
  197. if (typeof value === 'undefined') {
  198. value = this.raw(node, null, 'beforeRule');
  199. } else if (value) {
  200. value = value.replace(/[^\s]/g, '');
  201. }
  202. return value;
  203. };
  204. _proto.rawBeforeRule = function rawBeforeRule(root) {
  205. var value;
  206. root.walk(function (i) {
  207. if (i.nodes && (i.parent !== root || root.first !== i)) {
  208. if (typeof i.raws.before !== 'undefined') {
  209. value = i.raws.before;
  210. if (value.indexOf('\n') !== -1) {
  211. value = value.replace(/[^\n]+$/, '');
  212. }
  213. return false;
  214. }
  215. }
  216. });
  217. if (value) value = value.replace(/[^\s]/g, '');
  218. return value;
  219. };
  220. _proto.rawBeforeClose = function rawBeforeClose(root) {
  221. var value;
  222. root.walk(function (i) {
  223. if (i.nodes && i.nodes.length > 0) {
  224. if (typeof i.raws.after !== 'undefined') {
  225. value = i.raws.after;
  226. if (value.indexOf('\n') !== -1) {
  227. value = value.replace(/[^\n]+$/, '');
  228. }
  229. return false;
  230. }
  231. }
  232. });
  233. if (value) value = value.replace(/[^\s]/g, '');
  234. return value;
  235. };
  236. _proto.rawBeforeOpen = function rawBeforeOpen(root) {
  237. var value;
  238. root.walk(function (i) {
  239. if (i.type !== 'decl') {
  240. value = i.raws.between;
  241. if (typeof value !== 'undefined') return false;
  242. }
  243. });
  244. return value;
  245. };
  246. _proto.rawColon = function rawColon(root) {
  247. var value;
  248. root.walkDecls(function (i) {
  249. if (typeof i.raws.between !== 'undefined') {
  250. value = i.raws.between.replace(/[^\s:]/g, '');
  251. return false;
  252. }
  253. });
  254. return value;
  255. };
  256. _proto.beforeAfter = function beforeAfter(node, detect) {
  257. var value;
  258. if (node.type === 'decl') {
  259. value = this.raw(node, null, 'beforeDecl');
  260. } else if (node.type === 'comment') {
  261. value = this.raw(node, null, 'beforeComment');
  262. } else if (detect === 'before') {
  263. value = this.raw(node, null, 'beforeRule');
  264. } else {
  265. value = this.raw(node, null, 'beforeClose');
  266. }
  267. var buf = node.parent;
  268. var depth = 0;
  269. while (buf && buf.type !== 'root') {
  270. depth += 1;
  271. buf = buf.parent;
  272. }
  273. if (value.indexOf('\n') !== -1) {
  274. var indent = this.raw(node, null, 'indent');
  275. if (indent.length) {
  276. for (var step = 0; step < depth; step++) {
  277. value += indent;
  278. }
  279. }
  280. }
  281. return value;
  282. };
  283. _proto.rawValue = function rawValue(node, prop) {
  284. var value = node[prop];
  285. var raw = node.raws[prop];
  286. if (raw && raw.value === value) {
  287. return raw.raw;
  288. }
  289. return value;
  290. };
  291. return Stringifier;
  292. }();
  293. var _default = Stringifier;
  294. exports.default = _default;
  295. module.exports = exports.default;
  296. //# 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node.raws.important || ' !important'\n    }\n\n    if (semicolon) string += ';'\n    this.builder(string, node)\n  }\n\n  rule (node) {\n    this.block(node, this.rawValue(node, 'selector'))\n    if (node.raws.ownSemicolon) {\n      this.builder(node.raws.ownSemicolon, node, 'end')\n    }\n  }\n\n  atrule (node, semicolon) {\n    let name = '@' + node.name\n    let params = node.params ? this.rawValue(node, 'params') : ''\n\n    if (typeof node.raws.afterName !== 'undefined') {\n      name += node.raws.afterName\n    } else if (params) {\n      name += ' '\n    }\n\n    if (node.nodes) {\n      this.block(node, name + params)\n    } else {\n      let end = (node.raws.between || '') + (semicolon ? ';' : '')\n      this.builder(name + params + end, node)\n    }\n  }\n\n  body (node) {\n    let last = node.nodes.length - 1\n    while (last > 0) {\n      if (node.nodes[last].type !== 'comment') break\n      last -= 1\n    }\n\n    let semicolon = this.raw(node, 'semicolon')\n    for (let i = 0; i < node.nodes.length; i++) {\n      let child = node.nodes[i]\n      let before = this.raw(child, 'before')\n      if (before) this.builder(before)\n      this.stringify(child, last !== i || semicolon)\n    }\n  }\n\n  block (node, start) {\n    let between = this.raw(node, 'between', 'beforeOpen')\n    this.builder(start + between + '{', node, 'start')\n\n    let after\n    if (node.nodes && node.nodes.length) {\n      this.body(node)\n      after = this.raw(node, 'after')\n    } else {\n      after = this.raw(node, 'after', 'emptyBody')\n    }\n\n    if (after) this.builder(after)\n    this.builder('}', node, 'end')\n  }\n\n  raw (node, own, detect) {\n    let value\n    if (!detect) detect = own\n\n    // Already had\n    if (own) {\n      value = node.raws[own]\n      if (typeof value !== 'undefined') return value\n    }\n\n    let parent = node.parent\n\n    // Hack for first rule in CSS\n    if (detect === 'before') {\n      if (!parent || (parent.type === 'root' && parent.first === node)) {\n        return ''\n      }\n    }\n\n    // Floating child without parent\n    if (!parent) return DEFAULT_RAW[detect]\n\n    // Detect style by other nodes\n    let root = node.root()\n    if (!root.rawCache) root.rawCache = { }\n    if (typeof root.rawCache[detect] !== 'undefined') {\n      return root.rawCache[detect]\n    }\n\n    if (detect === 'before' || detect === 'after') {\n      return this.beforeAfter(node, detect)\n    } else {\n      let method = 'raw' + capitalize(detect)\n      if (this[method]) {\n        value = this[method](root, node)\n      } else {\n        root.walk(i => {\n          value = i.raws[own]\n          if (typeof value !== 'undefined') return false\n        })\n      }\n    }\n\n    if (typeof value === 'undefined') value = DEFAULT_RAW[detect]\n\n    root.rawCache[detect] = value\n    return value\n  }\n\n  rawSemicolon (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && i.nodes.length && i.last.type === 'decl') {\n        value = i.raws.semicolon\n        if (typeof value !== 'undefined') return false\n      }\n    })\n    return value\n  }\n\n  rawEmptyBody (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && i.nodes.length === 0) {\n        value = i.raws.after\n        if (typeof value !== 'undefined') return false\n      }\n    })\n    return value\n  }\n\n  rawIndent (root) {\n    if (root.raws.indent) return root.raws.indent\n    let value\n    root.walk(i => {\n      let p = i.parent\n      if (p && p !== root && p.parent && p.parent === root) {\n        if (typeof i.raws.before !== 'undefined') {\n          let parts = i.raws.before.split('\\n')\n          value = parts[parts.length - 1]\n          value = value.replace(/[^\\s]/g, '')\n          return false\n        }\n      }\n    })\n    return value\n  }\n\n  rawBeforeComment (root, node) {\n    let value\n    root.walkComments(i => {\n      if (typeof i.raws.before !== 'undefined') {\n        value = i.raws.before\n        if (value.indexOf('\\n') !== -1) {\n          value = value.replace(/[^\\n]+$/, '')\n        }\n        return false\n      }\n    })\n    if (typeof value === 'undefined') {\n      value = this.raw(node, null, 'beforeDecl')\n    } else if (value) {\n      value = value.replace(/[^\\s]/g, '')\n    }\n    return value\n  }\n\n  rawBeforeDecl (root, node) {\n    let value\n    root.walkDecls(i => {\n      if (typeof i.raws.before !== 'undefined') {\n        value = i.raws.before\n        if (value.indexOf('\\n') !== -1) {\n          value = value.replace(/[^\\n]+$/, '')\n        }\n        return false\n      }\n    })\n    if (typeof value === 'undefined') {\n      value = this.raw(node, null, 'beforeRule')\n    } else if (value) {\n      value = value.replace(/[^\\s]/g, '')\n    }\n    return value\n  }\n\n  rawBeforeRule (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && (i.parent !== root || root.first !== i)) {\n        if (typeof i.raws.before !== 'undefined') {\n          value = i.raws.before\n          if (value.indexOf('\\n') !== -1) {\n            value = value.replace(/[^\\n]+$/, '')\n          }\n          return false\n        }\n      }\n    })\n    if (value) value = value.replace(/[^\\s]/g, '')\n    return value\n  }\n\n  rawBeforeClose (root) {\n    let value\n    root.walk(i => {\n      if (i.nodes && i.nodes.length > 0) {\n        if (typeof i.raws.after !== 'undefined') {\n          value = i.raws.after\n          if (value.indexOf('\\n') !== -1) {\n            value = value.replace(/[^\\n]+$/, '')\n          }\n          return false\n        }\n      }\n    })\n    if (value) value = value.replace(/[^\\s]/g, '')\n    return value\n  }\n\n  rawBeforeOpen (root) {\n    let value\n    root.walk(i => {\n      if (i.type !== 'decl') {\n        value = i.raws.between\n        if (typeof value !== 'undefined') return false\n      }\n    })\n    return value\n  }\n\n  rawColon (root) {\n    let value\n    root.walkDecls(i => {\n      if (typeof i.raws.between !== 'undefined') {\n        value = i.raws.between.replace(/[^\\s:]/g, '')\n        return false\n      }\n    })\n    return value\n  }\n\n  beforeAfter (node, detect) {\n    let value\n    if (node.type === 'decl') {\n      value = this.raw(node, null, 'beforeDecl')\n    } else if (node.type === 'comment') {\n      value = this.raw(node, null, 'beforeComment')\n    } else if (detect === 'before') {\n      value = this.raw(node, null, 'beforeRule')\n    } else {\n      value = this.raw(node, null, 'beforeClose')\n    }\n\n    let buf = node.parent\n    let depth = 0\n    while (buf && buf.type !== 'root') {\n      depth += 1\n      buf = buf.parent\n    }\n\n    if (value.indexOf('\\n') !== -1) {\n      let indent = this.raw(node, null, 'indent')\n      if (indent.length) {\n        for (let step = 0; step < depth; step++) value += indent\n      }\n    }\n\n    return value\n  }\n\n  rawValue (node, prop) {\n    let value = node[prop]\n    let raw = node.raws[prop]\n    if (raw && raw.value === value) {\n      return raw.raw\n    }\n\n    return value\n  }\n}\n\nexport default Stringifier\n"],"file":"stringifier.js"}