diff options
Diffstat (limited to 'node_modules/babylon/lib/plugins/jsx/index.js')
| -rw-r--r-- | node_modules/babylon/lib/plugins/jsx/index.js | 482 |
1 files changed, 0 insertions, 482 deletions
diff --git a/node_modules/babylon/lib/plugins/jsx/index.js b/node_modules/babylon/lib/plugins/jsx/index.js deleted file mode 100644 index ed7a4ed67..000000000 --- a/node_modules/babylon/lib/plugins/jsx/index.js +++ /dev/null @@ -1,482 +0,0 @@ -"use strict"; - -exports.__esModule = true; - -exports.default = function (instance) { - instance.extend("parseExprAtom", function (inner) { - return function (refShortHandDefaultPos) { - if (this.match(_types.types.jsxText)) { - var node = this.parseLiteral(this.state.value, "JSXText"); - // https://github.com/babel/babel/issues/2078 - node.extra = null; - return node; - } else if (this.match(_types.types.jsxTagStart)) { - return this.jsxParseElement(); - } else { - return inner.call(this, refShortHandDefaultPos); - } - }; - }); - - instance.extend("readToken", function (inner) { - return function (code) { - var context = this.curContext(); - - if (context === _context.types.j_expr) { - return this.jsxReadToken(); - } - - if (context === _context.types.j_oTag || context === _context.types.j_cTag) { - if ((0, _identifier.isIdentifierStart)(code)) { - return this.jsxReadWord(); - } - - if (code === 62) { - ++this.state.pos; - return this.finishToken(_types.types.jsxTagEnd); - } - - if ((code === 34 || code === 39) && context === _context.types.j_oTag) { - return this.jsxReadString(code); - } - } - - if (code === 60 && this.state.exprAllowed) { - ++this.state.pos; - return this.finishToken(_types.types.jsxTagStart); - } - - return inner.call(this, code); - }; - }); - - instance.extend("updateContext", function (inner) { - return function (prevType) { - if (this.match(_types.types.braceL)) { - var curContext = this.curContext(); - if (curContext === _context.types.j_oTag) { - this.state.context.push(_context.types.braceExpression); - } else if (curContext === _context.types.j_expr) { - this.state.context.push(_context.types.templateQuasi); - } else { - inner.call(this, prevType); - } - this.state.exprAllowed = true; - } else if (this.match(_types.types.slash) && prevType === _types.types.jsxTagStart) { - this.state.context.length -= 2; // do not consider JSX expr -> JSX open tag -> ... anymore - this.state.context.push(_context.types.j_cTag); // reconsider as closing tag context - this.state.exprAllowed = false; - } else { - return inner.call(this, prevType); - } - }; - }); -}; - -var _xhtml = require("./xhtml"); - -var _xhtml2 = _interopRequireDefault(_xhtml); - -var _types = require("../../tokenizer/types"); - -var _context = require("../../tokenizer/context"); - -var _parser = require("../../parser"); - -var _parser2 = _interopRequireDefault(_parser); - -var _identifier = require("../../util/identifier"); - -var _whitespace = require("../../util/whitespace"); - -function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } - -/* eslint indent: 0 */ - -var HEX_NUMBER = /^[\da-fA-F]+$/; -var DECIMAL_NUMBER = /^\d+$/; - -_context.types.j_oTag = new _context.TokContext("<tag", false); -_context.types.j_cTag = new _context.TokContext("</tag", false); -_context.types.j_expr = new _context.TokContext("<tag>...</tag>", true, true); - -_types.types.jsxName = new _types.TokenType("jsxName"); -_types.types.jsxText = new _types.TokenType("jsxText", { beforeExpr: true }); -_types.types.jsxTagStart = new _types.TokenType("jsxTagStart", { startsExpr: true }); -_types.types.jsxTagEnd = new _types.TokenType("jsxTagEnd"); - -_types.types.jsxTagStart.updateContext = function () { - this.state.context.push(_context.types.j_expr); // treat as beginning of JSX expression - this.state.context.push(_context.types.j_oTag); // start opening tag context - this.state.exprAllowed = false; -}; - -_types.types.jsxTagEnd.updateContext = function (prevType) { - var out = this.state.context.pop(); - if (out === _context.types.j_oTag && prevType === _types.types.slash || out === _context.types.j_cTag) { - this.state.context.pop(); - this.state.exprAllowed = this.curContext() === _context.types.j_expr; - } else { - this.state.exprAllowed = true; - } -}; - -var pp = _parser2.default.prototype; - -// Reads inline JSX contents token. - -pp.jsxReadToken = function () { - var out = ""; - var chunkStart = this.state.pos; - for (;;) { - if (this.state.pos >= this.input.length) { - this.raise(this.state.start, "Unterminated JSX contents"); - } - - var ch = this.input.charCodeAt(this.state.pos); - - switch (ch) { - case 60: // "<" - case 123: - // "{" - if (this.state.pos === this.state.start) { - if (ch === 60 && this.state.exprAllowed) { - ++this.state.pos; - return this.finishToken(_types.types.jsxTagStart); - } - return this.getTokenFromCode(ch); - } - out += this.input.slice(chunkStart, this.state.pos); - return this.finishToken(_types.types.jsxText, out); - - case 38: - // "&" - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadEntity(); - chunkStart = this.state.pos; - break; - - default: - if ((0, _whitespace.isNewLine)(ch)) { - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadNewLine(true); - chunkStart = this.state.pos; - } else { - ++this.state.pos; - } - } - } -}; - -pp.jsxReadNewLine = function (normalizeCRLF) { - var ch = this.input.charCodeAt(this.state.pos); - var out = void 0; - ++this.state.pos; - if (ch === 13 && this.input.charCodeAt(this.state.pos) === 10) { - ++this.state.pos; - out = normalizeCRLF ? "\n" : "\r\n"; - } else { - out = String.fromCharCode(ch); - } - ++this.state.curLine; - this.state.lineStart = this.state.pos; - - return out; -}; - -pp.jsxReadString = function (quote) { - var out = ""; - var chunkStart = ++this.state.pos; - for (;;) { - if (this.state.pos >= this.input.length) { - this.raise(this.state.start, "Unterminated string constant"); - } - - var ch = this.input.charCodeAt(this.state.pos); - if (ch === quote) break; - if (ch === 38) { - // "&" - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadEntity(); - chunkStart = this.state.pos; - } else if ((0, _whitespace.isNewLine)(ch)) { - out += this.input.slice(chunkStart, this.state.pos); - out += this.jsxReadNewLine(false); - chunkStart = this.state.pos; - } else { - ++this.state.pos; - } - } - out += this.input.slice(chunkStart, this.state.pos++); - return this.finishToken(_types.types.string, out); -}; - -pp.jsxReadEntity = function () { - var str = ""; - var count = 0; - var entity = void 0; - var ch = this.input[this.state.pos]; - - var startPos = ++this.state.pos; - while (this.state.pos < this.input.length && count++ < 10) { - ch = this.input[this.state.pos++]; - if (ch === ";") { - if (str[0] === "#") { - if (str[1] === "x") { - str = str.substr(2); - if (HEX_NUMBER.test(str)) entity = String.fromCharCode(parseInt(str, 16)); - } else { - str = str.substr(1); - if (DECIMAL_NUMBER.test(str)) entity = String.fromCharCode(parseInt(str, 10)); - } - } else { - entity = _xhtml2.default[str]; - } - break; - } - str += ch; - } - if (!entity) { - this.state.pos = startPos; - return "&"; - } - return entity; -}; - -// Read a JSX identifier (valid tag or attribute name). -// -// Optimized version since JSX identifiers can"t contain -// escape characters and so can be read as single slice. -// Also assumes that first character was already checked -// by isIdentifierStart in readToken. - -pp.jsxReadWord = function () { - var ch = void 0; - var start = this.state.pos; - do { - ch = this.input.charCodeAt(++this.state.pos); - } while ((0, _identifier.isIdentifierChar)(ch) || ch === 45); // "-" - return this.finishToken(_types.types.jsxName, this.input.slice(start, this.state.pos)); -}; - -// Transforms JSX element name to string. - -function getQualifiedJSXName(object) { - if (object.type === "JSXIdentifier") { - return object.name; - } - - if (object.type === "JSXNamespacedName") { - return object.namespace.name + ":" + object.name.name; - } - - if (object.type === "JSXMemberExpression") { - return getQualifiedJSXName(object.object) + "." + getQualifiedJSXName(object.property); - } -} - -// Parse next token as JSX identifier - -pp.jsxParseIdentifier = function () { - var node = this.startNode(); - if (this.match(_types.types.jsxName)) { - node.name = this.state.value; - } else if (this.state.type.keyword) { - node.name = this.state.type.keyword; - } else { - this.unexpected(); - } - this.next(); - return this.finishNode(node, "JSXIdentifier"); -}; - -// Parse namespaced identifier. - -pp.jsxParseNamespacedName = function () { - var startPos = this.state.start, - startLoc = this.state.startLoc; - var name = this.jsxParseIdentifier(); - if (!this.eat(_types.types.colon)) return name; - - var node = this.startNodeAt(startPos, startLoc); - node.namespace = name; - node.name = this.jsxParseIdentifier(); - return this.finishNode(node, "JSXNamespacedName"); -}; - -// Parses element name in any form - namespaced, member -// or single identifier. - -pp.jsxParseElementName = function () { - var startPos = this.state.start, - startLoc = this.state.startLoc; - var node = this.jsxParseNamespacedName(); - while (this.eat(_types.types.dot)) { - var newNode = this.startNodeAt(startPos, startLoc); - newNode.object = node; - newNode.property = this.jsxParseIdentifier(); - node = this.finishNode(newNode, "JSXMemberExpression"); - } - return node; -}; - -// Parses any type of JSX attribute value. - -pp.jsxParseAttributeValue = function () { - var node = void 0; - switch (this.state.type) { - case _types.types.braceL: - node = this.jsxParseExpressionContainer(); - if (node.expression.type === "JSXEmptyExpression") { - this.raise(node.start, "JSX attributes must only be assigned a non-empty expression"); - } else { - return node; - } - - case _types.types.jsxTagStart: - case _types.types.string: - node = this.parseExprAtom(); - node.extra = null; - return node; - - default: - this.raise(this.state.start, "JSX value should be either an expression or a quoted JSX text"); - } -}; - -// JSXEmptyExpression is unique type since it doesn't actually parse anything, -// and so it should start at the end of last read token (left brace) and finish -// at the beginning of the next one (right brace). - -pp.jsxParseEmptyExpression = function () { - var node = this.startNodeAt(this.lastTokEnd, this.lastTokEndLoc); - return this.finishNodeAt(node, "JSXEmptyExpression", this.start, this.startLoc); -}; - -// Parse JSX spread child - -pp.jsxParseSpreadChild = function () { - var node = this.startNode(); - this.expect(_types.types.braceL); - this.expect(_types.types.ellipsis); - node.expression = this.parseExpression(); - this.expect(_types.types.braceR); - - return this.finishNode(node, "JSXSpreadChild"); -}; - -// Parses JSX expression enclosed into curly brackets. - - -pp.jsxParseExpressionContainer = function () { - var node = this.startNode(); - this.next(); - if (this.match(_types.types.braceR)) { - node.expression = this.jsxParseEmptyExpression(); - } else { - node.expression = this.parseExpression(); - } - this.expect(_types.types.braceR); - return this.finishNode(node, "JSXExpressionContainer"); -}; - -// Parses following JSX attribute name-value pair. - -pp.jsxParseAttribute = function () { - var node = this.startNode(); - if (this.eat(_types.types.braceL)) { - this.expect(_types.types.ellipsis); - node.argument = this.parseMaybeAssign(); - this.expect(_types.types.braceR); - return this.finishNode(node, "JSXSpreadAttribute"); - } - node.name = this.jsxParseNamespacedName(); - node.value = this.eat(_types.types.eq) ? this.jsxParseAttributeValue() : null; - return this.finishNode(node, "JSXAttribute"); -}; - -// Parses JSX opening tag starting after "<". - -pp.jsxParseOpeningElementAt = function (startPos, startLoc) { - var node = this.startNodeAt(startPos, startLoc); - node.attributes = []; - node.name = this.jsxParseElementName(); - while (!this.match(_types.types.slash) && !this.match(_types.types.jsxTagEnd)) { - node.attributes.push(this.jsxParseAttribute()); - } - node.selfClosing = this.eat(_types.types.slash); - this.expect(_types.types.jsxTagEnd); - return this.finishNode(node, "JSXOpeningElement"); -}; - -// Parses JSX closing tag starting after "</". - -pp.jsxParseClosingElementAt = function (startPos, startLoc) { - var node = this.startNodeAt(startPos, startLoc); - node.name = this.jsxParseElementName(); - this.expect(_types.types.jsxTagEnd); - return this.finishNode(node, "JSXClosingElement"); -}; - -// Parses entire JSX element, including it"s opening tag -// (starting after "<"), attributes, contents and closing tag. - -pp.jsxParseElementAt = function (startPos, startLoc) { - var node = this.startNodeAt(startPos, startLoc); - var children = []; - var openingElement = this.jsxParseOpeningElementAt(startPos, startLoc); - var closingElement = null; - - if (!openingElement.selfClosing) { - contents: for (;;) { - switch (this.state.type) { - case _types.types.jsxTagStart: - startPos = this.state.start;startLoc = this.state.startLoc; - this.next(); - if (this.eat(_types.types.slash)) { - closingElement = this.jsxParseClosingElementAt(startPos, startLoc); - break contents; - } - children.push(this.jsxParseElementAt(startPos, startLoc)); - break; - - case _types.types.jsxText: - children.push(this.parseExprAtom()); - break; - - case _types.types.braceL: - if (this.lookahead().type === _types.types.ellipsis) { - children.push(this.jsxParseSpreadChild()); - } else { - children.push(this.jsxParseExpressionContainer()); - } - - break; - - default: - this.unexpected(); - } - } - - if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) { - this.raise(closingElement.start, "Expected corresponding JSX closing tag for <" + getQualifiedJSXName(openingElement.name) + ">"); - } - } - - node.openingElement = openingElement; - node.closingElement = closingElement; - node.children = children; - if (this.match(_types.types.relational) && this.state.value === "<") { - this.raise(this.state.start, "Adjacent JSX elements must be wrapped in an enclosing tag"); - } - return this.finishNode(node, "JSXElement"); -}; - -// Parses entire JSX element from current position. - -pp.jsxParseElement = function () { - var startPos = this.state.start, - startLoc = this.state.startLoc; - this.next(); - return this.jsxParseElementAt(startPos, startLoc); -};
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