diff options
Diffstat (limited to 'node_modules/@babel/generator/lib/generators/statements.js')
| -rw-r--r-- | node_modules/@babel/generator/lib/generators/statements.js | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/node_modules/@babel/generator/lib/generators/statements.js b/node_modules/@babel/generator/lib/generators/statements.js new file mode 100644 index 0000000..8b7b8fd --- /dev/null +++ b/node_modules/@babel/generator/lib/generators/statements.js @@ -0,0 +1,331 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.BreakStatement = void 0; +exports.CatchClause = CatchClause; +exports.ContinueStatement = void 0; +exports.DebuggerStatement = DebuggerStatement; +exports.DoWhileStatement = DoWhileStatement; +exports.ForOfStatement = exports.ForInStatement = void 0; +exports.ForStatement = ForStatement; +exports.IfStatement = IfStatement; +exports.LabeledStatement = LabeledStatement; +exports.ReturnStatement = void 0; +exports.SwitchCase = SwitchCase; +exports.SwitchStatement = SwitchStatement; +exports.ThrowStatement = void 0; +exports.TryStatement = TryStatement; +exports.VariableDeclaration = VariableDeclaration; +exports.VariableDeclarator = VariableDeclarator; +exports.WhileStatement = WhileStatement; +exports.WithStatement = WithStatement; + +var _t = require("@babel/types"); + +const { + isFor, + isForStatement, + isIfStatement, + isStatement +} = _t; + +function WithStatement(node) { + this.word("with"); + this.space(); + this.token("("); + this.print(node.object, node); + this.token(")"); + this.printBlock(node); +} + +function IfStatement(node) { + this.word("if"); + this.space(); + this.token("("); + this.print(node.test, node); + this.token(")"); + this.space(); + const needsBlock = node.alternate && isIfStatement(getLastStatement(node.consequent)); + + if (needsBlock) { + this.token("{"); + this.newline(); + this.indent(); + } + + this.printAndIndentOnComments(node.consequent, node); + + if (needsBlock) { + this.dedent(); + this.newline(); + this.token("}"); + } + + if (node.alternate) { + if (this.endsWith(125)) this.space(); + this.word("else"); + this.space(); + this.printAndIndentOnComments(node.alternate, node); + } +} + +function getLastStatement(statement) { + if (!isStatement(statement.body)) return statement; + return getLastStatement(statement.body); +} + +function ForStatement(node) { + this.word("for"); + this.space(); + this.token("("); + this.inForStatementInitCounter++; + this.print(node.init, node); + this.inForStatementInitCounter--; + this.token(";"); + + if (node.test) { + this.space(); + this.print(node.test, node); + } + + this.token(";"); + + if (node.update) { + this.space(); + this.print(node.update, node); + } + + this.token(")"); + this.printBlock(node); +} + +function WhileStatement(node) { + this.word("while"); + this.space(); + this.token("("); + this.print(node.test, node); + this.token(")"); + this.printBlock(node); +} + +const buildForXStatement = function (op) { + return function (node) { + this.word("for"); + this.space(); + + if (op === "of" && node.await) { + this.word("await"); + this.space(); + } + + this.token("("); + this.print(node.left, node); + this.space(); + this.word(op); + this.space(); + this.print(node.right, node); + this.token(")"); + this.printBlock(node); + }; +}; + +const ForInStatement = buildForXStatement("in"); +exports.ForInStatement = ForInStatement; +const ForOfStatement = buildForXStatement("of"); +exports.ForOfStatement = ForOfStatement; + +function DoWhileStatement(node) { + this.word("do"); + this.space(); + this.print(node.body, node); + this.space(); + this.word("while"); + this.space(); + this.token("("); + this.print(node.test, node); + this.token(")"); + this.semicolon(); +} + +function buildLabelStatement(prefix, key = "label") { + return function (node) { + this.word(prefix); + const label = node[key]; + + if (label) { + this.space(); + const isLabel = key == "label"; + const terminatorState = this.startTerminatorless(isLabel); + this.print(label, node); + this.endTerminatorless(terminatorState); + } + + this.semicolon(); + }; +} + +const ContinueStatement = buildLabelStatement("continue"); +exports.ContinueStatement = ContinueStatement; +const ReturnStatement = buildLabelStatement("return", "argument"); +exports.ReturnStatement = ReturnStatement; +const BreakStatement = buildLabelStatement("break"); +exports.BreakStatement = BreakStatement; +const ThrowStatement = buildLabelStatement("throw", "argument"); +exports.ThrowStatement = ThrowStatement; + +function LabeledStatement(node) { + this.print(node.label, node); + this.token(":"); + this.space(); + this.print(node.body, node); +} + +function TryStatement(node) { + this.word("try"); + this.space(); + this.print(node.block, node); + this.space(); + + if (node.handlers) { + this.print(node.handlers[0], node); + } else { + this.print(node.handler, node); + } + + if (node.finalizer) { + this.space(); + this.word("finally"); + this.space(); + this.print(node.finalizer, node); + } +} + +function CatchClause(node) { + this.word("catch"); + this.space(); + + if (node.param) { + this.token("("); + this.print(node.param, node); + this.print(node.param.typeAnnotation, node); + this.token(")"); + this.space(); + } + + this.print(node.body, node); +} + +function SwitchStatement(node) { + this.word("switch"); + this.space(); + this.token("("); + this.print(node.discriminant, node); + this.token(")"); + this.space(); + this.token("{"); + this.printSequence(node.cases, node, { + indent: true, + + addNewlines(leading, cas) { + if (!leading && node.cases[node.cases.length - 1] === cas) return -1; + } + + }); + this.token("}"); +} + +function SwitchCase(node) { + if (node.test) { + this.word("case"); + this.space(); + this.print(node.test, node); + this.token(":"); + } else { + this.word("default"); + this.token(":"); + } + + if (node.consequent.length) { + this.newline(); + this.printSequence(node.consequent, node, { + indent: true + }); + } +} + +function DebuggerStatement() { + this.word("debugger"); + this.semicolon(); +} + +function variableDeclarationIndent() { + this.token(","); + this.newline(); + + if (this.endsWith(10)) { + for (let i = 0; i < 4; i++) this.space(true); + } +} + +function constDeclarationIndent() { + this.token(","); + this.newline(); + + if (this.endsWith(10)) { + for (let i = 0; i < 6; i++) this.space(true); + } +} + +function VariableDeclaration(node, parent) { + if (node.declare) { + this.word("declare"); + this.space(); + } + + this.word(node.kind); + this.space(); + let hasInits = false; + + if (!isFor(parent)) { + for (const declar of node.declarations) { + if (declar.init) { + hasInits = true; + } + } + } + + let separator; + + if (hasInits) { + separator = node.kind === "const" ? constDeclarationIndent : variableDeclarationIndent; + } + + this.printList(node.declarations, node, { + separator + }); + + if (isFor(parent)) { + if (isForStatement(parent)) { + if (parent.init === node) return; + } else { + if (parent.left === node) return; + } + } + + this.semicolon(); +} + +function VariableDeclarator(node) { + this.print(node.id, node); + if (node.definite) this.token("!"); + this.print(node.id.typeAnnotation, node); + + if (node.init) { + this.space(); + this.token("="); + this.space(); + this.print(node.init, node); + } +}
\ No newline at end of file |