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// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.defineMode("javascript", function(config, parserConfig) { var indentUnit = config.indentUnit; var statementIndent = parserConfig.statementIndent; var jsonldMode = parserConfig.jsonld; var jsonMode = parserConfig.json || jsonldMode; var isTS = parserConfig.typescript; var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/; // Tokenizer var keywords = function(){ function kw(type) {return {type: type, style: "keyword"};} var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d"); var operator = kw("operator"), atom = {type: "atom", style: "atom"}; return { "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, "return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C, "debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"), "function": kw("function"), "catch": kw("catch"), "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), "in": operator, "typeof": operator, "instanceof": operator, "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom, "this": kw("this"), "class": kw("class"), "super": kw("atom"), "yield": C, "export": kw("export"), "import": kw("import"), "extends": C, "await": C }; }(); var isOperatorChar = /[+\-*&%=<>!?|~^@]/; var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/; function readRegexp(stream) { var escaped = false, next, inSet = false; while ((next = stream.next()) != null) { if (!escaped) { if (next == "/" && !inSet) return; if (next == "[") inSet = true; else if (inSet && next == "]") inSet = false; } escaped = !escaped && next == "\\"; } } // Used as scratch variables to communicate multiple values without // consing up tons of objects. var type, content; function ret(tp, style, cont) { type = tp; content = cont; return style; } function tokenBase(stream, state) { var ch = stream.next(); if (ch == '"' || ch == "'") { state.tokenize = tokenString(ch); return state.tokenize(stream, state); } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) { return ret("number", "number"); } else if (ch == "." && stream.match("..")) { return ret("spread", "meta"); } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { return ret(ch); } else if (ch == "=" && stream.eat(">")) { return ret("=>", "operator"); } else if (ch == "0" && stream.eat(/x/i)) { stream.eatWhile(/[\da-f]/i); return ret("number", "number"); } else if (ch == "0" && stream.eat(/o/i)) { stream.eatWhile(/[0-7]/i); return ret("number", "number"); } else if (ch == "0" && stream.eat(/b/i)) { stream.eatWhile(/[01]/i); return ret("number", "number"); } else if (/\d/.test(ch)) { stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); return ret("number", "number"); } else if (ch == "/") { if (stream.eat("*")) { state.tokenize = tokenComment; return tokenComment(stream, state); } else if (stream.eat("/")) { stream.skipToEnd(); return ret("comment", "comment"); } else if (expressionAllowed(stream, state, 1)) { readRegexp(stream); stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/); return ret("regexp", "string-2"); } else { stream.eat("="); return ret("operator", "operator", stream.current()); } } else if (ch == "`") { state.tokenize = tokenQuasi; return tokenQuasi(stream, state); } else if (ch == "#") { stream.skipToEnd(); return ret("error", "error"); } else if (isOperatorChar.test(ch)) { if (ch != ">" || !state.lexical || state.lexical.type != ">") { if (stream.eat("=")) { if (ch == "!" || ch == "=") stream.eat("=") } else if (/[<>*+\-]/.test(ch)) { stream.eat(ch) if (ch == ">") stream.eat(ch) } } return ret("operator", "operator", stream.current()); } else if (wordRE.test(ch)) { stream.eatWhile(wordRE); var word = stream.current() if (state.lastType != ".") { if (keywords.propertyIsEnumerable(word)) { var kw = keywords[word] return ret(kw.type, kw.style, word) } if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\(\w]/, false)) return ret("async", "keyword", word) } return ret("variable", "variable", word) } } function tokenString(quote) { return function(stream, state) { var escaped = false, next; if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){ state.tokenize = tokenBase; return ret("jsonld-keyword", "meta"); } while ((next = stream.next()) != null) { if (next == quote && !escaped) break; escaped = !escaped && next == "\\"; } if (!escaped) state.tokenize = tokenBase; return ret("string", "string"); }; } function tokenComment(stream, state) { var maybeEnd = false, ch; while (ch = stream.next()) { if (ch == "/" && maybeEnd) { state.tokenize = tokenBase; break; } maybeEnd = (ch == "*"); } return ret("comment", "comment"); } function tokenQuasi(stream, state) { var escaped = false, next; while ((next = stream.next()) != null) { if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) { state.tokenize = tokenBase; break; } escaped = !escaped && next == "\\"; } return ret("quasi", "string-2", stream.current()); } var brackets = "([{}])"; // This is a crude lookahead trick to try and notice that we're // parsing the argument patterns for a fat-arrow function before we // actually hit the arrow token. It only works if the arrow is on // the same line as the arguments and there's no strange noise // (comments) in between. Fallback is to only notice when we hit the // arrow, and not declare the arguments as locals for the arrow // body. function findFatArrow(stream, state) { if (state.fatArrowAt) state.fatArrowAt = null; var arrow = stream.string.indexOf("=>", stream.start); if (arrow < 0) return; if (isTS) { // Try to skip TypeScript return type declarations after the arguments var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow)) if (m) arrow = m.index } var depth = 0, sawSomething = false; for (var pos = arrow - 1; pos >= 0; --pos) { var ch = stream.string.charAt(pos); var bracket = brackets.indexOf(ch); if (bracket >= 0 && bracket < 3) { if (!depth) { ++pos; break; } if (--depth == 0) { if (ch == "(") sawSomething = true; break; } } else if (bracket >= 3 && bracket < 6) { ++depth; } else if (wordRE.test(ch)) { sawSomething = true; } else if (/["'\/]/.test(ch)) { return; } else if (sawSomething && !depth) { ++pos; break; } } if (sawSomething && !depth) state.fatArrowAt = pos; } // Parser var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true}; function JSLexical(indented, column, type, align, prev, info) { this.indented = indented; this.column = column; this.type = type; this.prev = prev; this.info = info; if (align != null) this.align = align; } function inScope(state, varname) { for (var v = state.localVars; v; v = v.next) if (v.name == varname) return true; for (var cx = state.context; cx; cx = cx.prev) { for (var v = cx.vars; v; v = v.next) if (v.name == varname) return true; } } function parseJS(state, style, type, content, stream) { var cc = state.cc; // Communicate our context to the combinators. // (Less wasteful than consing up a hundred closures on every call.) cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style; if (!state.lexical.hasOwnProperty("align")) state.lexical.align = true; while(true) { var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; if (combinator(type, content)) { while(cc.length && cc[cc.length - 1].lex) cc.pop()(); if (cx.marked) return cx.marked; if (type == "variable" && inScope(state, content)) return "variable-2"; return style; } } } // Combinator utils var cx = {state: null, column: null, marked: null, cc: null}; function pass() { for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); } function cont() { pass.apply(null, arguments); return true; } function register(varname) { function inList(list) { for (var v = list; v; v = v.next) if (v.name == varname) return true; return false; } var state = cx.state; cx.marked = "def"; if (state.context) { if (inList(state.localVars)) return; state.localVars = {name: varname, next: state.localVars}; } else { if (inList(state.globalVars)) return; if (parserConfig.globalVars) state.globalVars = {name: varname, next: state.globalVars}; } } function isModifier(name) { return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly" } // Combinators var defaultVars = {name: "this", next: {name: "arguments"}}; function pushcontext() { cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; cx.state.localVars = defaultVars; } function popcontext() { cx.state.localVars = cx.state.context.vars; cx.state.context = cx.state.context.prev; } function pushlex(type, info) { var result = function() { var state = cx.state, indent = state.indented; if (state.lexical.type == "stat") indent = state.lexical.indented; else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev) indent = outer.indented; state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info); }; result.lex = true; return result; } function poplex() { var state = cx.state; if (state.lexical.prev) { if (state.lexical.type == ")") state.indented = state.lexical.indented; state.lexical = state.lexical.prev; } } poplex.lex = true; function expect(wanted) { function exp(type) { if (type == wanted) return cont(); else if (wanted == ";") return pass(); else return cont(exp); }; return exp; } function statement(type, value) { if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex); if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex); if (type == "keyword b") return cont(pushlex("form"), statement, poplex); if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex); if (type == "debugger") return cont(expect(";")); if (type == "{") return cont(pushlex("}"), block, poplex); if (type == ";") return cont(); if (type == "if") { if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex) cx.state.cc.pop()(); return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse); } if (type == "function") return cont(functiondef); if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), className, poplex); } if (type == "variable") { if (isTS && value == "type") { cx.marked = "keyword" return cont(typeexpr, expect("operator"), typeexpr, expect(";")); } else if (isTS && value == "declare") { cx.marked = "keyword" return cont(statement) } else if (isTS && (value == "module" || value == "enum") && cx.stream.match(/^\s*\w/, false)) { cx.marked = "keyword" return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex) } else if (isTS && value == "namespace") { cx.marked = "keyword" return cont(pushlex("form"), expression, block, poplex) } else { return cont(pushlex("stat"), maybelabel); } } if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), block, poplex, poplex); if (type == "case") return cont(expression, expect(":")); if (type == "default") return cont(expect(":")); if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), statement, poplex, popcontext); if (type == "export") return cont(pushlex("stat"), afterExport, poplex); if (type == "import") return cont(pushlex("stat"), afterImport, poplex); if (type == "async") return cont(statement) if (value == "@") return cont(expression, statement) return pass(pushlex("stat"), expression, expect(";"), poplex); } function expression(type, value) { return expressionInner(type, value, false); } function expressionNoComma(type, value) { return expressionInner(type, value, true); } function parenExpr(type) { if (type != "(") return pass() return cont(pushlex(")"), expression, expect(")"), poplex) } function expressionInner(type, value, noComma) { if (cx.state.fatArrowAt == cx.stream.start) { var body = noComma ? arrowBodyNoComma : arrowBody; if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext); else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext); } var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma; if (atomicTypes.hasOwnProperty(type)) return cont(maybeop); if (type == "function") return cont(functiondef, maybeop); if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); } if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression); if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop); if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression); if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop); if (type == "{") return contCommasep(objprop, "}", null, maybeop); if (type == "quasi") return pass(quasi, maybeop); if (type == "new") return cont(maybeTarget(noComma)); return cont(); } function maybeexpression(type) { if (type.match(/[;\}\)\],]/)) return pass(); return pass(expression); } function maybeoperatorComma(type, value) { if (type == ",") return cont(expression); return maybeoperatorNoComma(type, value, false); } function maybeoperatorNoComma(type, value, noComma) { var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma; var expr = noComma == false ? expression : expressionNoComma; if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); if (type == "operator") { if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me); if (isTS && value == "<" && cx.stream.match(/^([^>]|<.*?>)*>\s*\(/, false)) return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me); if (value == "?") return cont(expression, expect(":"), expr); return cont(expr); } if (type == "quasi") { return pass(quasi, me); } if (type == ";") return; if (type == "(") return contCommasep(expressionNoComma, ")", "call", me); if (type == ".") return cont(property, me); if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me); if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) } if (type == "regexp") { cx.state.lastType = cx.marked = "operator" cx.stream.backUp(cx.stream.pos - cx.stream.start - 1) return cont(expr) } } function quasi(type, value) { if (type != "quasi") return pass(); if (value.slice(value.length - 2) != "${") return cont(quasi); return cont(expression, continueQuasi); } function continueQuasi(type) { if (type == "}") { cx.marked = "string-2"; cx.state.tokenize = tokenQuasi; return cont(quasi); } } function arrowBody(type) { findFatArrow(cx.stream, cx.state); return pass(type == "{" ? statement : expression); } function arrowBodyNoComma(type) { findFatArrow(cx.stream, cx.state); return pass(type == "{" ? statement : expressionNoComma); } function maybeTarget(noComma) { return function(type) { if (type == ".") return cont(noComma ? targetNoComma : target); else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma) else return pass(noComma ? expressionNoComma : expression); }; } function target(_, value) { if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); } } function targetNoComma(_, value) { if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); } } function maybelabel(type) { if (type == ":") return cont(poplex, statement); return pass(maybeoperatorComma, expect(";"), poplex); } function property(type) { if (type == "variable") {cx.marked = "property"; return cont();} } function objprop(type, value) { if (type == "async") { cx.marked = "property"; return cont(objprop); } else if (type == "variable" || cx.style == "keyword") { cx.marked = "property"; if (value == "get" || value == "set") return cont(getterSetter); var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false))) cx.state.fatArrowAt = cx.stream.pos + m[0].length return cont(afterprop); } else if (type == "number" || type == "string") { cx.marked = jsonldMode ? "property" : (cx.style + " property"); return cont(afterprop); } else if (type == "jsonld-keyword") { return cont(afterprop); } else if (isTS && isModifier(value)) { cx.marked = "keyword" return cont(objprop) } else if (type == "[") { return cont(expression, maybetype, expect("]"), afterprop); } else if (type == "spread") { return cont(expressionNoComma, afterprop); } else if (value == "*") { cx.marked = "keyword"; return cont(objprop); } else if (type == ":") { return pass(afterprop) } } function getterSetter(type) { if (type != "variable") return pass(afterprop); cx.marked = "property"; return cont(functiondef); } function afterprop(type) { if (type == ":") return cont(expressionNoComma); if (type == "(") return pass(functiondef); } function commasep(what, end, sep) { function proceed(type, value) { if (sep ? sep.indexOf(type) > -1 : type == ",") { var lex = cx.state.lexical; if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; return cont(function(type, value) { if (type == end || value == end) return pass() return pass(what) }, proceed); } if (type == end || value == end) return cont(); return cont(expect(end)); } return function(type, value) { if (type == end || value == end) return cont(); return pass(what, proceed); }; } function contCommasep(what, end, info) { for (var i = 3; i < arguments.length; i++) cx.cc.push(arguments[i]); return cont(pushlex(end, info), commasep(what, end), poplex); } function block(type) { if (type == "}") return cont(); return pass(statement, block); } function maybetype(type, value) { if (isTS) { if (type == ":") return cont(typeexpr); if (value == "?") return cont(maybetype); } } function mayberettype(type) { if (isTS && type == ":") { if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr) else return cont(typeexpr) } } function isKW(_, value) { if (value == "is") { cx.marked = "keyword" return cont() } } function typeexpr(type, value) { if (type == "variable" || value == "void") { if (value == "keyof") { cx.marked = "keyword" return cont(typeexpr) } else { cx.marked = "type" return cont(afterType) } } if (type == "string" || type == "number" || type == "atom") return cont(afterType); if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType) if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType) if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType) } function maybeReturnType(type) { if (type == "=>") return cont(typeexpr) } function typeprop(type, value) { if (type == "variable" || cx.style == "keyword") { cx.marked = "property" return cont(typeprop) } else if (value == "?") { return cont(typeprop) } else if (type == ":") { return cont(typeexpr) } else if (type == "[") { return cont(expression, maybetype, expect("]"), typeprop) } } function typearg(type) { if (type == "variable") return cont(typearg) else if (type == ":") return cont(typeexpr) } function afterType(type, value) { if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType) if (value == "|" || type == ".") return cont(typeexpr) if (type == "[") return cont(expect("]"), afterType) if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) } } function maybeTypeArgs(_, value) { if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType) } function typeparam() { return pass(typeexpr, maybeTypeDefault) } function maybeTypeDefault(_, value) { if (value == "=") return cont(typeexpr) } function vardef() { return pass(pattern, maybetype, maybeAssign, vardefCont); } function pattern(type, value) { if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) } if (type == "variable") { register(value); return cont(); } if (type == "spread") return cont(pattern); if (type == "[") return contCommasep(pattern, "]"); if (type == "{") return contCommasep(proppattern, "}"); } function proppattern(type, value) { if (type == "variable" && !cx.stream.match(/^\s*:/, false)) { register(value); return cont(maybeAssign); } if (type == "variable") cx.marked = "property"; if (type == "spread") return cont(pattern); if (type == "}") return pass(); return cont(expect(":"), pattern, maybeAssign); } function maybeAssign(_type, value) { if (value == "=") return cont(expressionNoComma); } function vardefCont(type) { if (type == ",") return cont(vardef); } function maybeelse(type, value) { if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex); } function forspec(type) { if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex); } function forspec1(type) { if (type == "var") return cont(vardef, expect(";"), forspec2); if (type == ";") return cont(forspec2); if (type == "variable") return cont(formaybeinof); return pass(expression, expect(";"), forspec2); } function formaybeinof(_type, value) { if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } return cont(maybeoperatorComma, forspec2); } function forspec2(type, value) { if (type == ";") return cont(forspec3); if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } return pass(expression, expect(";"), forspec3); } function forspec3(type) { if (type != ")") cont(expression); } function functiondef(type, value) { if (value == "*") {cx.marked = "keyword"; return cont(functiondef);} if (type == "variable") {register(value); return cont(functiondef);} if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext); if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef) } function funarg(type, value) { if (value == "@") cont(expression, funarg) if (type == "spread") return cont(funarg); if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); } return pass(pattern, maybetype, maybeAssign); } function classExpression(type, value) { // Class expressions may have an optional name. if (type == "variable") return className(type, value); return classNameAfter(type, value); } function className(type, value) { if (type == "variable") {register(value); return cont(classNameAfter);} } function classNameAfter(type, value) { if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter) if (value == "extends" || value == "implements" || (isTS && type == ",")) return cont(isTS ? typeexpr : expression, classNameAfter); if (type == "{") return cont(pushlex("}"), classBody, poplex); } function classBody(type, value) { if (type == "async" || (type == "variable" && (value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) && cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false))) { cx.marked = "keyword"; return cont(classBody); } if (type == "variable" || cx.style == "keyword") { cx.marked = "property"; return cont(isTS ? classfield : functiondef, classBody); } if (type == "[") return cont(expression, maybetype, expect("]"), isTS ? classfield : functiondef, classBody) if (value == "*") { cx.marked = "keyword"; return cont(classBody); } if (type == ";") return cont(classBody); if (type == "}") return cont(); if (value == "@") return cont(expression, classBody) } function classfield(type, value) { if (value == "?") return cont(classfield) if (type == ":") return cont(typeexpr, maybeAssign) if (value == "=") return cont(expressionNoComma) return pass(functiondef) } function afterExport(type, value) { if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); } if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";")); return pass(statement); } function exportField(type, value) { if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); } if (type == "variable") return pass(expressionNoComma, exportField); } function afterImport(type) { if (type == "string") return cont(); return pass(importSpec, maybeMoreImports, maybeFrom); } function importSpec(type, value) { if (type == "{") return contCommasep(importSpec, "}"); if (type == "variable") register(value); if (value == "*") cx.marked = "keyword"; return cont(maybeAs); } function maybeMoreImports(type) { if (type == ",") return cont(importSpec, maybeMoreImports) } function maybeAs(_type, value) { if (value == "as") { cx.marked = "keyword"; return cont(importSpec); } } function maybeFrom(_type, value) { if (value == "from") { cx.marked = "keyword"; return cont(expression); } } function arrayLiteral(type) { if (type == "]") return cont(); return pass(commasep(expressionNoComma, "]")); } function isContinuedStatement(state, textAfter) { return state.lastType == "operator" || state.lastType == "," || isOperatorChar.test(textAfter.charAt(0)) || /[,.]/.test(textAfter.charAt(0)); } function expressionAllowed(stream, state, backUp) { return state.tokenize == tokenBase && /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) || (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0)))) } // Interface return { startState: function(basecolumn) { var state = { tokenize: tokenBase, lastType: "sof", cc: [], lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), localVars: parserConfig.localVars, context: parserConfig.localVars && {vars: parserConfig.localVars}, indented: basecolumn || 0 }; if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") state.globalVars = parserConfig.globalVars; return state; }, token: function(stream, state) { if (stream.sol()) { if (!state.lexical.hasOwnProperty("align")) state.lexical.align = false; state.indented = stream.indentation(); findFatArrow(stream, state); } if (state.tokenize != tokenComment && stream.eatSpace()) return null; var style = state.tokenize(stream, state); if (type == "comment") return style; state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type; return parseJS(state, style, type, content, stream); }, indent: function(state, textAfter) { if (state.tokenize == tokenComment) return CodeMirror.Pass; if (state.tokenize != tokenBase) return 0; var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top // Kludge to prevent 'maybelse' from blocking lexical scope pops if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) { var c = state.cc[i]; if (c == poplex) lexical = lexical.prev; else if (c != maybeelse) break; } while ((lexical.type == "stat" || lexical.type == "form") && (firstChar == "}" || ((top = state.cc[state.cc.length - 1]) && (top == maybeoperatorComma || top == maybeoperatorNoComma) && !/^[,\.=+\-*:?[\(]/.test(textAfter)))) lexical = lexical.prev; if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat") lexical = lexical.prev; var type = lexical.type, closing = firstChar == type; if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0); else if (type == "form" && firstChar == "{") return lexical.indented; else if (type == "form") return lexical.indented + indentUnit; else if (type == "stat") return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0); else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false) return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); else if (lexical.align) return lexical.column + (closing ? 0 : 1); else return lexical.indented + (closing ? 0 : indentUnit); }, electricInput: /^\s*(?:case .*?:|default:|\{|\})$/, blockCommentStart: jsonMode ? null : "/*", blockCommentEnd: jsonMode ? null : "*/", blockCommentContinue: jsonMode ? null : " * ", lineComment: jsonMode ? null : "//", fold: "brace", closeBrackets: "()[]{}''\"\"``", helperType: jsonMode ? "json" : "javascript", jsonldMode: jsonldMode, jsonMode: jsonMode, expressionAllowed: expressionAllowed, skipExpression: function(state) { var top = state.cc[state.cc.length - 1] if (top == expression || top == expressionNoComma) state.cc.pop() } }; }); CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/); CodeMirror.defineMIME("text/javascript", "javascript"); CodeMirror.defineMIME("text/ecmascript", "javascript"); CodeMirror.defineMIME("application/javascript", "javascript"); CodeMirror.defineMIME("application/x-javascript", "javascript"); CodeMirror.defineMIME("application/ecmascript", "javascript"); CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true}); CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true}); CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); });