helpers.js 20 KB

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  1. "use strict";
  2. var __importDefault = (this && this.__importDefault) || function (mod) {
  3. return (mod && mod.__esModule) ? mod : { "default": mod };
  4. };
  5. Object.defineProperty(exports, "__esModule", { value: true });
  6. exports.preparePartialBlock = exports.prepareProgram = exports.prepareBlock = exports.prepareRawBlock = exports.prepareMustache = exports.preparePath = exports.stripComment = exports.stripFlags = exports.id = exports.SourceLocation = void 0;
  7. var exception_1 = __importDefault(require("./exception"));
  8. function validateClose(open, close) {
  9. close = close.path ? close.path.original : close;
  10. if (open.path.original !== close) {
  11. var errorNode = { loc: open.path.loc };
  12. throw new exception_1.default(open.path.original + " doesn't match " + close, errorNode);
  13. }
  14. }
  15. function SourceLocation(source, locInfo) {
  16. this.source = source;
  17. this.start = {
  18. line: locInfo.first_line,
  19. column: locInfo.first_column
  20. };
  21. this.end = {
  22. line: locInfo.last_line,
  23. column: locInfo.last_column
  24. };
  25. }
  26. exports.SourceLocation = SourceLocation;
  27. function id(token) {
  28. if (/^\[.*\]$/.test(token)) {
  29. return token.substring(1, token.length - 1);
  30. }
  31. else {
  32. return token;
  33. }
  34. }
  35. exports.id = id;
  36. function stripFlags(open, close) {
  37. return {
  38. open: open.charAt(2) === '~',
  39. close: close.charAt(close.length - 3) === '~'
  40. };
  41. }
  42. exports.stripFlags = stripFlags;
  43. function stripComment(comment) {
  44. return comment.replace(/^\{\{~?!-?-?/, '').replace(/-?-?~?\}\}$/, '');
  45. }
  46. exports.stripComment = stripComment;
  47. function preparePath(data, parts, loc) {
  48. loc = this.locInfo(loc);
  49. var original = data ? '@' : '', dig = [], depth = 0;
  50. for (var i = 0, l = parts.length; i < l; i++) {
  51. var part = parts[i].part,
  52. // If we have [] syntax then we do not treat path references as operators,
  53. // i.e. foo.[this] resolves to approximately context.foo['this']
  54. isLiteral = parts[i].original !== part;
  55. original += (parts[i].separator || '') + part;
  56. if (!isLiteral && (part === '..' || part === '.' || part === 'this')) {
  57. if (dig.length > 0) {
  58. throw new exception_1.default('Invalid path: ' + original, { loc: loc });
  59. }
  60. else if (part === '..') {
  61. depth++;
  62. }
  63. }
  64. else {
  65. dig.push(part);
  66. }
  67. }
  68. return {
  69. type: 'PathExpression',
  70. data: data,
  71. depth: depth,
  72. parts: dig,
  73. original: original,
  74. loc: loc
  75. };
  76. }
  77. exports.preparePath = preparePath;
  78. function prepareMustache(path, params, hash, open, strip, locInfo) {
  79. // Must use charAt to support IE pre-10
  80. var escapeFlag = open.charAt(3) || open.charAt(2), escaped = escapeFlag !== '{' && escapeFlag !== '&';
  81. var decorator = /\*/.test(open);
  82. return {
  83. type: decorator ? 'Decorator' : 'MustacheStatement',
  84. path: path,
  85. params: params,
  86. hash: hash,
  87. escaped: escaped,
  88. strip: strip,
  89. loc: this.locInfo(locInfo)
  90. };
  91. }
  92. exports.prepareMustache = prepareMustache;
  93. function prepareRawBlock(openRawBlock, contents, close, locInfo) {
  94. validateClose(openRawBlock, close);
  95. locInfo = this.locInfo(locInfo);
  96. var program = {
  97. type: 'Program',
  98. body: contents,
  99. strip: {},
  100. loc: locInfo
  101. };
  102. return {
  103. type: 'BlockStatement',
  104. path: openRawBlock.path,
  105. params: openRawBlock.params,
  106. hash: openRawBlock.hash,
  107. program: program,
  108. openStrip: {},
  109. inverseStrip: {},
  110. closeStrip: {},
  111. loc: locInfo
  112. };
  113. }
  114. exports.prepareRawBlock = prepareRawBlock;
  115. function prepareBlock(openBlock, program, inverseAndProgram, close, inverted, locInfo) {
  116. if (close && close.path) {
  117. validateClose(openBlock, close);
  118. }
  119. var decorator = /\*/.test(openBlock.open);
  120. program.blockParams = openBlock.blockParams;
  121. var inverse, inverseStrip;
  122. if (inverseAndProgram) {
  123. if (decorator) {
  124. throw new exception_1.default('Unexpected inverse block on decorator', inverseAndProgram);
  125. }
  126. if (inverseAndProgram.chain) {
  127. inverseAndProgram.program.body[0].closeStrip = close.strip;
  128. }
  129. inverseStrip = inverseAndProgram.strip;
  130. inverse = inverseAndProgram.program;
  131. }
  132. if (inverted) {
  133. inverted = inverse;
  134. inverse = program;
  135. program = inverted;
  136. }
  137. return {
  138. type: decorator ? 'DecoratorBlock' : 'BlockStatement',
  139. path: openBlock.path,
  140. params: openBlock.params,
  141. hash: openBlock.hash,
  142. program: program,
  143. inverse: inverse,
  144. openStrip: openBlock.strip,
  145. inverseStrip: inverseStrip,
  146. closeStrip: close && close.strip,
  147. loc: this.locInfo(locInfo)
  148. };
  149. }
  150. exports.prepareBlock = prepareBlock;
  151. function prepareProgram(statements, loc) {
  152. if (!loc && statements.length) {
  153. var firstLoc = statements[0].loc, lastLoc = statements[statements.length - 1].loc;
  154. /* istanbul ignore else */
  155. if (firstLoc && lastLoc) {
  156. loc = {
  157. source: firstLoc.source,
  158. start: {
  159. line: firstLoc.start.line,
  160. column: firstLoc.start.column
  161. },
  162. end: {
  163. line: lastLoc.end.line,
  164. column: lastLoc.end.column
  165. }
  166. };
  167. }
  168. }
  169. return {
  170. type: 'Program',
  171. body: statements,
  172. strip: {},
  173. loc: loc
  174. };
  175. }
  176. exports.prepareProgram = prepareProgram;
  177. function preparePartialBlock(open, program, close, locInfo) {
  178. validateClose(open, close);
  179. return {
  180. type: 'PartialBlockStatement',
  181. name: open.path,
  182. params: open.params,
  183. hash: open.hash,
  184. program: program,
  185. openStrip: open.strip,
  186. closeStrip: close && close.strip,
  187. loc: this.locInfo(locInfo)
  188. };
  189. }
  190. exports.preparePartialBlock = preparePartialBlock;
  191. //# 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Exception from './exception';\n\nfunction validateClose(open, close) {\n  close = close.path ? close.path.original : close;\n\n  if (open.path.original !== close) {\n    let errorNode = { loc: open.path.loc };\n\n    throw new Exception(\n      open.path.original + \" doesn't match \" + close,\n      errorNode\n    );\n  }\n}\n\nexport function SourceLocation(source, locInfo) {\n  this.source = source;\n  this.start = {\n    line: locInfo.first_line,\n    column: locInfo.first_column\n  };\n  this.end = {\n    line: locInfo.last_line,\n    column: locInfo.last_column\n  };\n}\n\nexport function id(token) {\n  if (/^\\[.*\\]$/.test(token)) {\n    return token.substring(1, token.length - 1);\n  } else {\n    return token;\n  }\n}\n\nexport function stripFlags(open, close) {\n  return {\n    open: open.charAt(2) === '~',\n    close: close.charAt(close.length - 3) === '~'\n  };\n}\n\nexport function stripComment(comment) {\n  return comment.replace(/^\\{\\{~?!-?-?/, '').replace(/-?-?~?\\}\\}$/, '');\n}\n\nexport function preparePath(data, parts, loc) {\n  loc = this.locInfo(loc);\n\n  let original = data ? '@' : '',\n    dig = [],\n    depth = 0;\n\n  for (let i = 0, l = parts.length; i < l; i++) {\n    let part = parts[i].part,\n      // If we have [] syntax then we do not treat path references as operators,\n      // i.e. foo.[this] resolves to approximately context.foo['this']\n      isLiteral = parts[i].original !== part;\n    original += (parts[i].separator || '') + part;\n\n    if (!isLiteral && (part === '..' || part === '.' || part === 'this')) {\n      if (dig.length > 0) {\n        throw new Exception('Invalid path: ' + original, { loc });\n      } else if (part === '..') {\n        depth++;\n      }\n    } else {\n      dig.push(part);\n    }\n  }\n\n  return {\n    type: 'PathExpression',\n    data,\n    depth,\n    parts: dig,\n    original,\n    loc\n  };\n}\n\nexport function prepareMustache(path, params, hash, open, strip, locInfo) {\n  // Must use charAt to support IE pre-10\n  let escapeFlag = open.charAt(3) || open.charAt(2),\n    escaped = escapeFlag !== '{' && escapeFlag !== '&';\n\n  let decorator = /\\*/.test(open);\n  return {\n    type: decorator ? 'Decorator' : 'MustacheStatement',\n    path,\n    params,\n    hash,\n    escaped,\n    strip,\n    loc: this.locInfo(locInfo)\n  };\n}\n\nexport function prepareRawBlock(openRawBlock, contents, close, locInfo) {\n  validateClose(openRawBlock, close);\n\n  locInfo = this.locInfo(locInfo);\n  let program = {\n    type: 'Program',\n    body: contents,\n    strip: {},\n    loc: locInfo\n  };\n\n  return {\n    type: 'BlockStatement',\n    path: openRawBlock.path,\n    params: openRawBlock.params,\n    hash: openRawBlock.hash,\n    program,\n    openStrip: {},\n    inverseStrip: {},\n    closeStrip: {},\n    loc: locInfo\n  };\n}\n\nexport function prepareBlock(\n  openBlock,\n  program,\n  inverseAndProgram,\n  close,\n  inverted,\n  locInfo\n) {\n  if (close && close.path) {\n    validateClose(openBlock, close);\n  }\n\n  let decorator = /\\*/.test(openBlock.open);\n\n  program.blockParams = openBlock.blockParams;\n\n  let inverse, inverseStrip;\n\n  if (inverseAndProgram) {\n    if (decorator) {\n      throw new Exception(\n        'Unexpected inverse block on decorator',\n        inverseAndProgram\n      );\n    }\n\n    if (inverseAndProgram.chain) {\n      inverseAndProgram.program.body[0].closeStrip = close.strip;\n    }\n\n    inverseStrip = inverseAndProgram.strip;\n    inverse = inverseAndProgram.program;\n  }\n\n  if (inverted) {\n    inverted = inverse;\n    inverse = program;\n    program = inverted;\n  }\n\n  return {\n    type: decorator ? 'DecoratorBlock' : 'BlockStatement',\n    path: openBlock.path,\n    params: openBlock.params,\n    hash: openBlock.hash,\n    program,\n    inverse,\n    openStrip: openBlock.strip,\n    inverseStrip,\n    closeStrip: close && close.strip,\n    loc: this.locInfo(locInfo)\n  };\n}\n\nexport function prepareProgram(statements, loc) {\n  if (!loc && statements.length) {\n    const firstLoc = statements[0].loc,\n      lastLoc = statements[statements.length - 1].loc;\n\n    /* istanbul ignore else */\n    if (firstLoc && lastLoc) {\n      loc = {\n        source: firstLoc.source,\n        start: {\n          line: firstLoc.start.line,\n          column: firstLoc.start.column\n        },\n        end: {\n          line: lastLoc.end.line,\n          column: lastLoc.end.column\n        }\n      };\n    }\n  }\n\n  return {\n    type: 'Program',\n    body: statements,\n    strip: {},\n    loc: loc\n  };\n}\n\nexport function preparePartialBlock(open, program, close, locInfo) {\n  validateClose(open, close);\n\n  return {\n    type: 'PartialBlockStatement',\n    name: open.path,\n    params: open.params,\n    hash: open.hash,\n    program,\n    openStrip: open.strip,\n    closeStrip: close && close.strip,\n    loc: this.locInfo(locInfo)\n  };\n}\n"]}