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babel-generator

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babel-generator - npm Package Compare versions

Comparing version 6.10.0 to 6.10.2

README.md

117

lib/buffer.js

@@ -45,2 +45,3 @@ "use strict";

};
this._endsWithWord = false;
}

@@ -56,3 +57,3 @@

while (this.position.line < node.loc.start.line) {
this._push("\n");
this.push("\n");
}

@@ -111,14 +112,6 @@ }

Buffer.prototype.semicolon = function semicolon() {
this.push(";");
this.token(";");
};
/**
* Ensure last character is a semicolon.
*/
Buffer.prototype.ensureSemicolon = function ensureSemicolon() {
if (!this.isLast(";")) this.semicolon();
};
/**
* Add a right brace to the buffer.

@@ -132,3 +125,3 @@ */

}
this.push("}");
this.token("}");
};

@@ -141,3 +134,3 @@

Buffer.prototype.keyword = function keyword(name) {
this.push(name);
this.word(name);
this.space();

@@ -147,9 +140,9 @@ };

/**
* Add a space to the buffer unless it is compact (override with force).
* Add a space to the buffer unless it is compact.
*/
Buffer.prototype.space = function space(force) {
if (!force && this.format.compact) return;
Buffer.prototype.space = function space() {
if (this.format.compact) return;
if (force || this.buf && !this.isLast(" ") && !this.isLast("\n")) {
if (this.buf && !this.endsWith(" ") && !this.endsWith("\n")) {
this.push(" ");

@@ -160,2 +153,30 @@ }

/**
* Writes a token that can't be safely parsed without taking whitespace into account.
*/
Buffer.prototype.word = function word(str) {
if (this._endsWithWord) this.push(" ");
this.push(str);
this._endsWithWord = true;
};
/**
* Writes a simple token.
*/
Buffer.prototype.token = function token(str) {
// space is mandatory to avoid outputting <!--
// http://javascript.spec.whatwg.org/#comment-syntax
if (str === "--" && this.last === "!" ||
// Need spaces for operators of the same kind to avoid: `a+++b`
str[0] === "+" && this.last === "+" || str[0] === "-" && this.last === "-") {
this.push(" ");
}
this.push(str);
};
/**
* Remove the last character.

@@ -170,3 +191,3 @@ */

Buffer.prototype._removeLast = function _removeLast(cha) {
if (!this._isLast(cha)) return;
if (!this.endsWith(cha)) return;
this.buf = this.buf.slice(0, -1);

@@ -207,3 +228,3 @@ this.last = this.buf[this.buf.length - 1];

this.newline();
this.push(")");
this.token(")");
}

@@ -242,3 +263,5 @@ };

this._removeSpacesAfterLastNewline();
this._push((0, _repeat2.default)("\n", i));
for (var j = 0; j < i; j++) {
this.push("\n");
}
};

@@ -253,4 +276,6 @@

if (lastNewlineIndex >= 0 && this.get().length <= lastNewlineIndex) {
var toRemove = this.buf.slice(lastNewlineIndex + 1);
this.buf = this.buf.substring(0, lastNewlineIndex + 1);
this.last = "\n";
this.position.unshift(toRemove);
}

@@ -279,2 +304,4 @@ };

Buffer.prototype.withSource = function withSource(prop, loc, cb) {
if (!this.opts.sourceMaps) return cb();
// Use the call stack to manage a stack of "source location" data.

@@ -298,22 +325,8 @@ var originalLine = this._sourcePosition.line;

Buffer.prototype.push = function push(str, noIndent) {
if (!this.format.compact && this._indent && !noIndent && str !== "\n") {
// we have an indent level and we aren't pushing a newline
var indent = this.getIndent();
// replace all newlines with newlines with the indentation
str = str.replace(/\n/g, "\n" + indent);
Buffer.prototype.push = function push(str) {
if (!this.format.compact && this._indent && str[0] !== "\n") {
// we've got a newline before us so prepend on the indentation
if (this.isLast("\n")) this._push(indent);
if (this.endsWith("\n")) str = this.getIndent() + str;
}
this._push(str);
};
/**
* Push a string to the buffer.
*/
Buffer.prototype._push = function _push(str) {
// see startTerminatorless() instance method

@@ -332,3 +345,3 @@ var parenPushNewlineState = this.parenPushNewlineState;

// we're going to break this terminator expression so we need to add a parentheses
this._push("(");
str = "(" + str;
this.indent();

@@ -343,3 +356,3 @@ parenPushNewlineState.printed = true;

// If there the line is ending, adding a new mapping marker is redundant
if (str[0] !== "\n") this.map.mark(this._sourcePosition);
if (this.opts.sourceMaps && str[0] !== "\n") this.map.mark(this._sourcePosition);

@@ -350,2 +363,5 @@ //

this.last = str[str.length - 1];
// Clear any state-tracking flags that may have been set.
this._endsWithWord = false;
};

@@ -358,2 +374,8 @@

Buffer.prototype.endsWith = function endsWith(str) {
var _this = this;
if (Array.isArray(str)) return str.some(function (s) {
return _this.endsWith(s);
});
if (str.length === 1) {

@@ -366,21 +388,2 @@ return this.last === str;

/**
* Test if a character is last in the buffer.
*/
Buffer.prototype.isLast = function isLast(cha) {
if (this.format.compact) return false;
return this._isLast(cha);
};
Buffer.prototype._isLast = function _isLast(cha) {
var last = this.last;
if (Array.isArray(cha)) {
return cha.indexOf(last) >= 0;
} else {
return cha === last;
}
};
return Buffer;

@@ -387,0 +390,0 @@ }();

18

lib/generators/base.js

@@ -9,3 +9,11 @@ "use strict";

exports.Directive = Directive;
exports.DirectiveLiteral = DirectiveLiteral;
var _types = require("./types");
Object.defineProperty(exports, "DirectiveLiteral", {
enumerable: true,
get: function get() {
return _types.StringLiteral;
}
});
function File(node) {

@@ -25,3 +33,3 @@ this.print(node.program, node);

function BlockStatement(node) {
this.push("{");
this.token("{");
this.printInnerComments(node);

@@ -41,3 +49,3 @@ if (node.body.length) {

this.source("end", node.loc);
this.push("}");
this.token("}");
}

@@ -51,6 +59,2 @@ }

this.semicolon();
}
function DirectiveLiteral(node) {
this.push(this._stringLiteral(node.value));
}

37

lib/generators/classes.js

@@ -9,7 +9,7 @@ "use strict";

function ClassDeclaration(node) {
this.printJoin(node.decorators, node, { separator: "" });
this.push("class");
this.printJoin(node.decorators, node);
this.word("class");
if (node.id) {
this.push(" ");
this.space();
this.print(node.id, node);

@@ -21,3 +21,5 @@ }

if (node.superClass) {
this.push(" extends ");
this.space();
this.word("extends");
this.space();
this.print(node.superClass, node);

@@ -28,4 +30,6 @@ this.print(node.superTypeParameters, node);

if (node.implements) {
this.push(" implements ");
this.printJoin(node.implements, node, { separator: ", " });
this.space();
this.word("implements");
this.space();
this.printList(node.implements, node);
}

@@ -39,6 +43,6 @@

function ClassBody(node) {
this.push("{");
this.token("{");
this.printInnerComments(node);
if (node.body.length === 0) {
this.push("}");
this.token("}");
} else {

@@ -56,5 +60,8 @@ this.newline();

function ClassProperty(node) {
this.printJoin(node.decorators, node, { separator: "" });
this.printJoin(node.decorators, node);
if (node.static) this.push("static ");
if (node.static) {
this.word("static");
this.space();
}
this.print(node.key, node);

@@ -64,3 +71,3 @@ this.print(node.typeAnnotation, node);

this.space();
this.push("=");
this.token("=");
this.space();

@@ -73,10 +80,12 @@ this.print(node.value, node);

function ClassMethod(node) {
this.printJoin(node.decorators, node, { separator: "" });
this.printJoin(node.decorators, node);
if (node.static) {
this.push("static ");
this.word("static");
this.space();
}
if (node.kind === "constructorCall") {
this.push("call ");
this.word("call");
this.space();
}

@@ -83,0 +92,0 @@

108

lib/generators/expressions.js

@@ -51,15 +51,9 @@ "use strict";

function UnaryExpression(node) {
var needsSpace = /[a-z]$/.test(node.operator);
var arg = node.argument;
if (t.isUpdateExpression(arg) || t.isUnaryExpression(arg)) {
needsSpace = true;
if (node.operator === "void" || node.operator === "delete" || node.operator === "typeof") {
this.word(node.operator);
this.space();
} else {
this.token(node.operator);
}
if (t.isUnaryExpression(arg) && arg.operator === "!") {
needsSpace = false;
}
this.push(node.operator);
if (needsSpace) this.push(" ");
this.print(node.argument, node);

@@ -69,3 +63,3 @@ }

function DoExpression(node) {
this.push("do");
this.word("do");
this.space();

@@ -76,5 +70,5 @@ this.print(node.body, node);

function ParenthesizedExpression(node) {
this.push("(");
this.token("(");
this.print(node.expression, node);
this.push(")");
this.token(")");
}

@@ -84,7 +78,7 @@

if (node.prefix) {
this.push(node.operator);
this.token(node.operator);
this.print(node.argument, node);
} else {
this.print(node.argument, node);
this.push(node.operator);
this.token(node.operator);
}

@@ -96,7 +90,7 @@ }

this.space();
this.push("?");
this.token("?");
this.space();
this.print(node.consequent, node);
this.space();
this.push(":");
this.token(":");
this.space();

@@ -107,9 +101,10 @@ this.print(node.alternate, node);

function NewExpression(node, parent) {
this.push("new ");
this.word("new");
this.space();
this.print(node.callee, node);
if (node.arguments.length === 0 && this.format.minified && !t.isCallExpression(parent, { callee: node }) && !t.isMemberExpression(parent) && !t.isNewExpression(parent)) return;
this.push("(");
this.token("(");
this.printList(node.arguments, node);
this.push(")");
this.token(")");
}

@@ -122,11 +117,11 @@

function ThisExpression() {
this.push("this");
this.word("this");
}
function Super() {
this.push("super");
this.word("super");
}
function Decorator(node) {
this.push("@");
this.token("@");
this.print(node.expression, node);

@@ -136,2 +131,7 @@ this.newline();

function commaSeparatorNewline() {
this.token(",");
this.push("\n");
}
function CallExpression(node) {

@@ -141,3 +141,3 @@ this.print(node.callee, node);

this.push("(");
this.token("(");

@@ -148,3 +148,3 @@ var isPrettyCall = node._prettyCall && !this.format.retainLines && !this.format.compact;

if (isPrettyCall) {
separator = ",\n";
separator = commaSeparatorNewline;
this.newline();

@@ -161,3 +161,3 @@ this.indent();

this.push(")");
this.token(")");
}

@@ -167,10 +167,10 @@

return function (node) {
this.push(keyword);
this.word(keyword);
if (node.delegate) {
this.push("*");
this.token("*");
}
if (node.argument) {
this.push(" ");
this.space();
var terminatorState = this.startTerminatorless();

@@ -199,3 +199,3 @@ this.print(node.argument, node);

this.space();
this.push("=");
this.token("=");
this.space();

@@ -211,3 +211,3 @@ this.print(node.right, node);

if (parens) {
this.push("(");
this.token("(");
}

@@ -217,25 +217,14 @@

var spaces = !this.format.compact || node.operator === "in" || node.operator === "instanceof";
if (spaces) this.push(" ");
this.push(node.operator);
if (!spaces) {
// space is mandatory to avoid outputting <!--
// http://javascript.spec.whatwg.org/#comment-syntax
spaces = node.operator === "<" && t.isUnaryExpression(node.right, { prefix: true, operator: "!" }) && t.isUnaryExpression(node.right.argument, { prefix: true, operator: "--" });
// Need spaces for operators of the same kind to avoid: `a+++b`
if (!spaces) {
var right = getLeftMost(node.right);
spaces = t.isUnaryExpression(right, { prefix: true, operator: node.operator }) || t.isUpdateExpression(right, { prefix: true, operator: node.operator + node.operator });
}
this.space();
if (node.operator === "in" || node.operator === "instanceof") {
this.word(node.operator);
} else {
this.token(node.operator);
}
this.space();
if (spaces) this.push(" ");
this.print(node.right, node);
if (parens) {
this.push(")");
this.token(")");
}

@@ -246,3 +235,3 @@ }

this.print(node.object, node);
this.push("::");
this.token("::");
this.print(node.callee, node);

@@ -266,5 +255,5 @@ }

if (computed) {
this.push("[");
this.token("[");
this.print(node.property, node);
this.push("]");
this.token("]");
} else {

@@ -274,7 +263,7 @@ if (t.isNumericLiteral(node.object)) {

if ((0, _isInteger2.default)(+val) && !NON_DECIMAL_LITERAL.test(val) && !SCIENTIFIC_NOTATION.test(val) && !ZERO_DECIMAL_INTEGER.test(val) && !this.endsWith(".")) {
this.push(".");
this.token(".");
}
}
this.push(".");
this.token(".");
this.print(node.property, node);

@@ -286,11 +275,4 @@ }

this.print(node.meta, node);
this.push(".");
this.token(".");
this.print(node.property, node);
}
function getLeftMost(binaryExpr) {
if (!t.isBinaryExpression(binaryExpr)) {
return binaryExpr;
}
return getLeftMost(binaryExpr.left);
}

183

lib/generators/flow.js
"use strict";
exports.__esModule = true;
exports.TypeParameterDeclaration = exports.NumericLiteralTypeAnnotation = exports.GenericTypeAnnotation = exports.ClassImplements = undefined;
exports.TypeParameterDeclaration = exports.StringLiteralTypeAnnotation = exports.NumericLiteralTypeAnnotation = exports.GenericTypeAnnotation = exports.ClassImplements = undefined;
exports.AnyTypeAnnotation = AnyTypeAnnotation;

@@ -34,4 +34,9 @@ exports.ArrayTypeAnnotation = ArrayTypeAnnotation;

});
Object.defineProperty(exports, "StringLiteralTypeAnnotation", {
enumerable: true,
get: function get() {
return _types.StringLiteral;
}
});
exports.NumberTypeAnnotation = NumberTypeAnnotation;
exports.StringLiteralTypeAnnotation = StringLiteralTypeAnnotation;
exports.StringTypeAnnotation = StringTypeAnnotation;

@@ -61,3 +66,3 @@ exports.ThisTypeAnnotation = ThisTypeAnnotation;

function AnyTypeAnnotation() {
this.push("any");
this.word("any");
} /* eslint max-len: 0 */

@@ -67,20 +72,23 @@

this.print(node.elementType, node);
this.push("[");
this.push("]");
this.token("[");
this.token("]");
}
function BooleanTypeAnnotation() {
this.push("bool");
this.word("bool");
}
function BooleanLiteralTypeAnnotation(node) {
this.push(node.value ? "true" : "false");
this.word(node.value ? "true" : "false");
}
function NullLiteralTypeAnnotation() {
this.push("null");
this.word("null");
}
function DeclareClass(node) {
this.push("declare class ");
this.word("declare");
this.space();
this.word("class");
this.space();
this._interfaceish(node);

@@ -90,3 +98,6 @@ }

function DeclareFunction(node) {
this.push("declare function ");
this.word("declare");
this.space();
this.word("function");
this.space();
this.print(node.id, node);

@@ -98,3 +109,4 @@ this.print(node.id.typeAnnotation.typeAnnotation, node);

function DeclareInterface(node) {
this.push("declare ");
this.word("declare");
this.space();
this.InterfaceDeclaration(node);

@@ -104,3 +116,6 @@ }

function DeclareModule(node) {
this.push("declare module ");
this.word("declare");
this.space();
this.word("module");
this.space();
this.print(node.id, node);

@@ -112,3 +127,4 @@ this.space();

function DeclareTypeAlias(node) {
this.push("declare ");
this.word("declare");
this.space();
this.TypeAlias(node);

@@ -118,3 +134,6 @@ }

function DeclareVariable(node) {
this.push("declare var ");
this.word("declare");
this.space();
this.word("var");
this.space();
this.print(node.id, node);

@@ -126,3 +145,3 @@ this.print(node.id.typeAnnotation, node);

function ExistentialTypeParam() {
this.push("*");
this.token("*");
}

@@ -132,3 +151,3 @@

this.print(node.typeParameters, node);
this.push("(");
this.token("(");
this.printList(node.params, node);

@@ -138,17 +157,17 @@

if (node.params.length) {
this.push(",");
this.token(",");
this.space();
}
this.push("...");
this.token("...");
this.print(node.rest, node);
}
this.push(")");
this.token(")");
// this node type is overloaded, not sure why but it makes it EXTREMELY annoying
if (parent.type === "ObjectTypeProperty" || parent.type === "ObjectTypeCallProperty" || parent.type === "DeclareFunction") {
this.push(":");
this.token(":");
} else {
this.space();
this.push("=>");
this.token("=>");
}

@@ -162,4 +181,4 @@

this.print(node.name, node);
if (node.optional) this.push("?");
this.push(":");
if (node.optional) this.token("?");
this.token(":");
this.space();

@@ -180,8 +199,12 @@ this.print(node.typeAnnotation, node);

if (node.extends.length) {
this.push(" extends ");
this.printJoin(node.extends, node, { separator: ", " });
this.space();
this.word("extends");
this.space();
this.printList(node.extends, node);
}
if (node.mixins && node.mixins.length) {
this.push(" mixins ");
this.printJoin(node.mixins, node, { separator: ", " });
this.space();
this.word("mixins");
this.space();
this.printList(node.mixins, node);
}

@@ -193,16 +216,23 @@ this.space();

function InterfaceDeclaration(node) {
this.push("interface ");
this.word("interface");
this.space();
this._interfaceish(node);
}
function andSeparator() {
this.space();
this.token("&");
this.space();
}
function IntersectionTypeAnnotation(node) {
this.printJoin(node.types, node, { separator: " & " });
this.printJoin(node.types, node, { separator: andSeparator });
}
function MixedTypeAnnotation() {
this.push("mixed");
this.word("mixed");
}
function NullableTypeAnnotation(node) {
this.push("?");
this.token("?");
this.print(node.typeAnnotation, node);

@@ -212,25 +242,22 @@ }

function NumberTypeAnnotation() {
this.push("number");
this.word("number");
}
function StringLiteralTypeAnnotation(node) {
this.push(this._stringLiteral(node.value));
}
function StringTypeAnnotation() {
this.push("string");
this.word("string");
}
function ThisTypeAnnotation() {
this.push("this");
this.word("this");
}
function TupleTypeAnnotation(node) {
this.push("[");
this.printJoin(node.types, node, { separator: ", " });
this.push("]");
this.token("[");
this.printList(node.types, node);
this.token("]");
}
function TypeofTypeAnnotation(node) {
this.push("typeof ");
this.word("typeof");
this.space();
this.print(node.argument, node);

@@ -240,7 +267,8 @@ }

function TypeAlias(node) {
this.push("type ");
this.word("type");
this.space();
this.print(node.id, node);
this.print(node.typeParameters, node);
this.space();
this.push("=");
this.token("=");
this.space();

@@ -252,5 +280,5 @@ this.print(node.right, node);

function TypeAnnotation(node) {
this.push(":");
this.token(":");
this.space();
if (node.optional) this.push("?");
if (node.optional) this.token("?");
this.print(node.typeAnnotation, node);

@@ -261,8 +289,8 @@ }

if (node.variance === "plus") {
this.push("+");
this.token("+");
} else if (node.variance === "minus") {
this.push("-");
this.token("-");
}
this.push(node.name);
this.word(node.name);

@@ -275,3 +303,3 @@ if (node.bound) {

this.space();
this.push("=");
this.token("=");
this.space();

@@ -285,5 +313,4 @@ this.print(node.default, node);

this.push("<");
this.printJoin(node.params, node, {
separator: ", ",
this.token("<");
this.printList(node.params, node, {
iterator: function iterator(node) {

@@ -293,3 +320,3 @@ _this.print(node.typeAnnotation, node);

});
this.push(">");
this.token(">");
}

@@ -301,3 +328,3 @@

this.push("{");
this.token("{");
var props = node.properties.concat(node.callProperties, node.indexers);

@@ -309,3 +336,2 @@

this.printJoin(props, node, {
separator: false,
indent: true,

@@ -323,7 +349,10 @@ iterator: function iterator() {

this.push("}");
this.token("}");
}
function ObjectTypeCallProperty(node) {
if (node.static) this.push("static ");
if (node.static) {
this.word("static");
this.space();
}
this.print(node.value, node);

@@ -333,10 +362,13 @@ }

function ObjectTypeIndexer(node) {
if (node.static) this.push("static ");
this.push("[");
if (node.static) {
this.word("static");
this.space();
}
this.token("[");
this.print(node.id, node);
this.push(":");
this.token(":");
this.space();
this.print(node.key, node);
this.push("]");
this.push(":");
this.token("]");
this.token(":");
this.space();

@@ -347,7 +379,10 @@ this.print(node.value, node);

function ObjectTypeProperty(node) {
if (node.static) this.push("static ");
if (node.static) {
this.word("static");
this.space();
}
this.print(node.key, node);
if (node.optional) this.push("?");
if (node.optional) this.token("?");
if (!t.isFunctionTypeAnnotation(node.value)) {
this.push(":");
this.token(":");
this.space();

@@ -360,19 +395,25 @@ }

this.print(node.qualification, node);
this.push(".");
this.token(".");
this.print(node.id, node);
}
function orSeparator() {
this.space();
this.token("|");
this.space();
}
function UnionTypeAnnotation(node) {
this.printJoin(node.types, node, { separator: " | " });
this.printJoin(node.types, node, { separator: orSeparator });
}
function TypeCastExpression(node) {
this.push("(");
this.token("(");
this.print(node.expression, node);
this.print(node.typeAnnotation, node);
this.push(")");
this.token(")");
}
function VoidTypeAnnotation() {
this.push("void");
this.word("void");
}

40

lib/generators/jsx.js

@@ -26,3 +26,3 @@ "use strict";

if (node.value) {
this.push("=");
this.token("=");
this.print(node.value, node);

@@ -33,3 +33,3 @@ }

function JSXIdentifier(node) {
this.push(node.name);
this.word(node.name);
}

@@ -39,3 +39,3 @@

this.print(node.namespace, node);
this.push(":");
this.token(":");
this.print(node.name, node);

@@ -46,3 +46,3 @@ }

this.print(node.object, node);
this.push(".");
this.token(".");
this.print(node.property, node);

@@ -52,15 +52,16 @@ }

function JSXSpreadAttribute(node) {
this.push("{...");
this.token("{");
this.token("...");
this.print(node.argument, node);
this.push("}");
this.token("}");
}
function JSXExpressionContainer(node) {
this.push("{");
this.token("{");
this.print(node.expression, node);
this.push("}");
this.token("}");
}
function JSXText(node) {
this.push(node.value, true);
this.token(node.value);
}

@@ -95,18 +96,27 @@

function spaceSeparator() {
this.space();
}
function JSXOpeningElement(node) {
this.push("<");
this.token("<");
this.print(node.name, node);
if (node.attributes.length > 0) {
this.push(" ");
this.printJoin(node.attributes, node, { separator: " " });
this.space();
this.printJoin(node.attributes, node, { separator: spaceSeparator });
}
this.push(node.selfClosing ? " />" : ">");
if (node.selfClosing) {
this.space();
this.token("/>");
} else {
this.token(">");
}
}
function JSXClosingElement(node) {
this.push("</");
this.token("</");
this.print(node.name, node);
this.push(">");
this.token(">");
}
function JSXEmptyExpression() {}

40

lib/generators/methods.js

@@ -20,10 +20,10 @@ "use strict";

this.print(node.typeParameters, node);
this.push("(");
this.token("(");
this.printList(node.params, node, {
iterator: function iterator(node) {
if (node.optional) _this.push("?");
if (node.optional) _this.token("?");
_this.print(node.typeAnnotation, node);
}
});
this.push(")");
this.token(")");

@@ -41,3 +41,3 @@ if (node.returnType) {

if (node.generator) {
this.push("*");
this.token("*");
}

@@ -47,11 +47,15 @@ }

if (kind === "get" || kind === "set") {
this.push(kind + " ");
this.word(kind);
this.space();
}
if (node.async) this.push("async ");
if (node.async) {
this.word("async");
this.space();
}
if (node.computed) {
this.push("[");
this.token("[");
this.print(key, node);
this.push("]");
this.token("]");
} else {

@@ -67,8 +71,11 @@ this.print(key, node);

function FunctionExpression(node) {
if (node.async) this.push("async ");
this.push("function");
if (node.generator) this.push("*");
if (node.async) {
this.word("async");
this.space();
}
this.word("function");
if (node.generator) this.token("*");
if (node.id) {
this.push(" ");
this.space();
this.print(node.id, node);

@@ -86,3 +93,6 @@ } else {

function ArrowFunctionExpression(node) {
if (node.async) this.push("async ");
if (node.async) {
this.word("async");
this.space();
}

@@ -95,5 +105,7 @@ if (node.params.length === 1 && t.isIdentifier(node.params[0])) {

this.push(" => ");
this.space();
this.token("=>");
this.space();
this.print(node.body, node);
}

79

lib/generators/modules.js

@@ -24,3 +24,5 @@ "use strict";

if (node.local && node.local.name !== node.imported.name) {
this.push(" as ");
this.space();
this.word("as");
this.space();
this.print(node.local, node);

@@ -41,3 +43,5 @@ }

if (node.exported && node.local.name !== node.exported.name) {
this.push(" as ");
this.space();
this.word("as");
this.space();
this.print(node.exported, node);

@@ -48,3 +52,6 @@ }

function ExportNamespaceSpecifier(node) {
this.push("* as ");
this.token("*");
this.space();
this.word("as");
this.space();
this.print(node.exported, node);

@@ -54,8 +61,14 @@ }

function ExportAllDeclaration(node) {
this.push("export *");
this.word("export");
this.space();
this.token("*");
if (node.exported) {
this.push(" as ");
this.space();
this.word("as");
this.space();
this.print(node.exported, node);
}
this.push(" from ");
this.space();
this.word("from");
this.space();
this.print(node.source, node);

@@ -66,3 +79,4 @@ this.semicolon();

function ExportNamedDeclaration() {
this.push("export ");
this.word("export");
this.space();
ExportDeclaration.apply(this, arguments);

@@ -72,3 +86,6 @@ }

function ExportDefaultDeclaration() {
this.push("export default ");
this.word("export");
this.space();
this.word("default");
this.space();
ExportDeclaration.apply(this, arguments);

@@ -81,6 +98,7 @@ }

this.print(declar, node);
if (t.isStatement(declar) || t.isFunction(declar) || t.isClass(declar)) return;
if (!t.isStatement(declar)) this.semicolon();
} else {
if (node.exportKind === "type") {
this.push("type ");
this.word("type");
this.space();
}

@@ -98,3 +116,4 @@

if (specifiers.length) {
this.push(", ");
this.token(",");
this.space();
}

@@ -107,25 +126,29 @@ } else {

if (specifiers.length || !specifiers.length && !hasSpecial) {
this.push("{");
this.token("{");
if (specifiers.length) {
this.space();
this.printJoin(specifiers, node, { separator: ", " });
this.printList(specifiers, node);
this.space();
}
this.push("}");
this.token("}");
}
if (node.source) {
this.push(" from ");
this.space();
this.word("from");
this.space();
this.print(node.source, node);
}
this.semicolon();
}
this.ensureSemicolon();
}
function ImportDeclaration(node) {
this.push("import ");
this.word("import");
this.space();
if (node.importKind === "type" || node.importKind === "typeof") {
this.push(node.importKind + " ");
this.word(node.importKind);
this.space();
}

@@ -141,3 +164,4 @@

if (specifiers.length) {
this.push(", ");
this.token(",");
this.space();
}

@@ -150,10 +174,12 @@ } else {

if (specifiers.length) {
this.push("{");
this.token("{");
this.space();
this.printJoin(specifiers, node, { separator: ", " });
this.printList(specifiers, node);
this.space();
this.push("}");
this.token("}");
}
this.push(" from ");
this.space();
this.word("from");
this.space();
}

@@ -166,4 +192,7 @@

function ImportNamespaceSpecifier(node) {
this.push("* as ");
this.token("*");
this.space();
this.word("as");
this.space();
this.print(node.local, node);
}

115

lib/generators/statements.js

@@ -24,6 +24,2 @@ "use strict";

var _repeat = require("lodash/repeat");
var _repeat2 = _interopRequireDefault(_repeat);
var _babelTypes = require("babel-types");

@@ -37,9 +33,7 @@

var NON_ALPHABETIC_UNARY_OPERATORS = t.UPDATE_OPERATORS.concat(t.NUMBER_UNARY_OPERATORS).concat(["!"]);
function WithStatement(node) {
this.keyword("with");
this.push("(");
this.token("(");
this.print(node.object, node);
this.push(")");
this.token(")");
this.printBlock(node);

@@ -50,5 +44,5 @@ }

this.keyword("if");
this.push("(");
this.token("(");
this.print(node.test, node);
this.push(")");
this.token(")");
this.space();

@@ -58,3 +52,3 @@

if (needsBlock) {
this.push("{");
this.token("{");
this.newline();

@@ -69,8 +63,9 @@ this.indent();

this.newline();
this.push("}");
this.token("}");
}
if (node.alternate) {
if (this.isLast("}")) this.space();
this.push("else ");
if (this.endsWith("}")) this.space();
this.word("else");
this.space();
this.printAndIndentOnComments(node.alternate, node);

@@ -88,3 +83,3 @@ }

this.keyword("for");
this.push("(");
this.token("(");

@@ -94,3 +89,3 @@ this._inForStatementInitCounter++;

this._inForStatementInitCounter--;
this.push(";");
this.token(";");

@@ -101,3 +96,3 @@ if (node.test) {

}
this.push(";");
this.token(";");

@@ -109,3 +104,3 @@ if (node.update) {

this.push(")");
this.token(")");
this.printBlock(node);

@@ -116,5 +111,5 @@ }

this.keyword("while");
this.push("(");
this.token("(");
this.print(node.test, node);
this.push(")");
this.token(")");
this.printBlock(node);

@@ -126,7 +121,9 @@ }

this.keyword("for");
this.push("(");
this.token("(");
this.print(node.left, node);
this.push(" " + op + " ");
this.space();
this.word(op);
this.space();
this.print(node.right, node);
this.push(")");
this.token(")");
this.printBlock(node);

@@ -140,9 +137,11 @@ };

function DoWhileStatement(node) {
this.push("do ");
this.word("do");
this.space();
this.print(node.body, node);
this.space();
this.keyword("while");
this.push("(");
this.token("(");
this.print(node.test, node);
this.push(");");
this.token(")");
this.semicolon();
}

@@ -154,9 +153,7 @@

return function (node) {
this.push(prefix);
this.word(prefix);
var label = node[key];
if (label) {
if (!(this.format.minified && (t.isUnaryExpression(label, { prefix: true }) || t.isUpdateExpression(label, { prefix: true })) && NON_ALPHABETIC_UNARY_OPERATORS.indexOf(label.operator) > -1)) {
this.push(" ");
}
this.space();

@@ -179,3 +176,4 @@ var terminatorState = this.startTerminatorless();

this.print(node.label, node);
this.push(": ");
this.token(":");
this.space();
this.print(node.body, node);

@@ -200,3 +198,4 @@ }

this.space();
this.push("finally ");
this.word("finally");
this.space();
this.print(node.finalizer, node);

@@ -208,5 +207,5 @@ }

this.keyword("catch");
this.push("(");
this.token("(");
this.print(node.param, node);
this.push(")");
this.token(")");
this.space();

@@ -218,7 +217,7 @@ this.print(node.body, node);

this.keyword("switch");
this.push("(");
this.token("(");
this.print(node.discriminant, node);
this.push(")");
this.token(")");
this.space();
this.push("{");
this.token("{");

@@ -232,3 +231,3 @@ this.printSequence(node.cases, node, {

this.push("}");
this.token("}");
}

@@ -238,7 +237,9 @@

if (node.test) {
this.push("case ");
this.word("case");
this.space();
this.print(node.test, node);
this.push(":");
this.token(":");
} else {
this.push("default:");
this.word("default");
this.token(":");
}

@@ -253,7 +254,27 @@

function DebuggerStatement() {
this.push("debugger;");
this.word("debugger");
this.semicolon();
}
function variableDeclarationIdent() {
// "let " or "var " indentation.
this.token(",");
this.push("\n");
for (var i = 0; i < 4; i++) {
this.push(" ");
}
}
function constDeclarationIdent() {
// "const " indentation.
this.token(",");
this.push("\n");
for (var i = 0; i < 6; i++) {
this.push(" ");
}
}
function VariableDeclaration(node, parent) {
this.push(node.kind + " ");
this.word(node.kind);
this.space();

@@ -296,5 +317,5 @@ var hasInits = false;

var sep = void 0;
var separator = void 0;
if (!this.format.compact && !this.format.concise && hasInits && !this.format.retainLines) {
sep = ",\n" + (0, _repeat2.default)(" ", node.kind.length + 1);
separator = node.kind === "const" ? constDeclarationIdent : variableDeclarationIdent;
}

@@ -304,3 +325,3 @@

this.printList(node.declarations, node, { separator: sep });
this.printList(node.declarations, node, { separator: separator });

@@ -320,3 +341,3 @@ if (t.isFor(parent)) {

this.space();
this.push("=");
this.token("=");
this.space();

@@ -323,0 +344,0 @@ this.print(node.init, node);

17

lib/generators/template-literals.js

@@ -12,9 +12,14 @@ "use strict";

function TemplateElement(node) {
this._push(node.value.raw);
function TemplateElement(node, parent) {
var isFirst = parent.quasis[0] === node;
var isLast = parent.quasis[parent.quasis.length - 1] === node;
var value = (isFirst ? "`" : "}") + node.value.raw + (isLast ? "`" : "${");
if (!isFirst) this.space();
this.token(value);
if (!isLast) this.space();
}
function TemplateLiteral(node) {
this.push("`");
var quasis = node.quasis;

@@ -26,9 +31,5 @@

if (i + 1 < quasis.length) {
this._push("${ ");
this.print(node.expressions[i], node);
this.push(" }");
}
}
this._push("`");
}

57

lib/generators/types.js

@@ -21,3 +21,2 @@ "use strict";

exports.StringLiteral = StringLiteral;
exports._stringLiteral = _stringLiteral;

@@ -39,9 +38,9 @@ var _babelTypes = require("babel-types");

if (node.variance === "plus") {
this.push("+");
this.token("+");
} else if (node.variance === "minus") {
this.push("-");
this.token("-");
}
}
this.push(node.name);
this.word(node.name);
} /* eslint max-len: 0 */

@@ -51,3 +50,3 @@ /* eslint quotes: 0 */

function RestElement(node) {
this.push("...");
this.token("...");
this.print(node.argument, node);

@@ -62,3 +61,3 @@ }

this.push("{");
this.token("{");
this.printInnerComments(node);

@@ -72,3 +71,3 @@

this.push("}");
this.token("}");
}

@@ -78,3 +77,3 @@

function ObjectMethod(node) {
this.printJoin(node.decorators, node, { separator: "" });
this.printJoin(node.decorators, node);
this._method(node);

@@ -84,8 +83,8 @@ }

function ObjectProperty(node) {
this.printJoin(node.decorators, node, { separator: "" });
this.printJoin(node.decorators, node);
if (node.computed) {
this.push("[");
this.token("[");
this.print(node.key, node);
this.push("]");
this.token("]");
} else {

@@ -106,3 +105,3 @@ // print `({ foo: foo = 5 } = {})` as `({ foo = 5 } = {});`

this.push(":");
this.token(":");
this.space();

@@ -116,3 +115,3 @@ this.print(node.value, node);

this.push("[");
this.token("[");
this.printInnerComments(node);

@@ -125,3 +124,3 @@

this.print(elem, node);
if (i < len - 1) this.push(",");
if (i < len - 1) this.token(",");
} else {

@@ -133,7 +132,7 @@ // If the array expression ends with a hole, that hole

// both (all) of the holes.
this.push(",");
this.token(",");
}
}
this.push("]");
this.token("]");
}

@@ -143,23 +142,31 @@

function RegExpLiteral(node) {
this.push("/" + node.pattern + "/" + node.flags);
this.word("/" + node.pattern + "/" + node.flags);
}
function BooleanLiteral(node) {
this.push(node.value ? "true" : "false");
this.word(node.value ? "true" : "false");
}
function NullLiteral() {
this.push("null");
this.word("null");
}
function NumericLiteral(node) {
this.push(node.value + "");
var raw = this.getPossibleRaw(node);
if (raw != null) {
this.word(raw);
return;
}
this.word(node.value + "");
}
function StringLiteral(node, parent) {
this.push(this._stringLiteral(node.value, parent));
}
var raw = this.getPossibleRaw(node);
if (raw != null) {
this.token(raw);
return;
}
function _stringLiteral(val, parent) {
val = (0, _stringify2.default)(val);
var val = (0, _stringify2.default)(node.value);

@@ -185,3 +192,3 @@ // escape illegal js but valid json unicode characters

return val;
return this.token(val);
}

44

lib/index.js

@@ -19,3 +19,3 @@ "use strict";

exports.default = function (ast, opts, code) {
var gen = new CodeGenerator(ast, opts, code);
var gen = new Generator(ast, opts, code);
return gen.generate();

@@ -57,7 +57,7 @@ };

var CodeGenerator = exports.CodeGenerator = function (_Printer) {
(0, _inherits3.default)(CodeGenerator, _Printer);
var Generator = function (_Printer) {
(0, _inherits3.default)(Generator, _Printer);
function CodeGenerator(ast, opts, code) {
(0, _classCallCheck3.default)(this, CodeGenerator);
function Generator(ast, opts, code) {
(0, _classCallCheck3.default)(this, Generator);

@@ -68,3 +68,3 @@ opts = opts || {};

var tokens = ast.tokens || [];
var format = CodeGenerator.normalizeOptions(code, opts, tokens);
var format = Generator.normalizeOptions(code, opts, tokens);

@@ -93,5 +93,5 @@ var position = new _position2.default();

* - If `opts.compact = "auto"` and the code is over 100KB, `compact` will be set to `true`.
*/
*/
CodeGenerator.normalizeOptions = function normalizeOptions(code, opts, tokens) {
Generator.normalizeOptions = function normalizeOptions(code, opts, tokens) {
var style = " ";

@@ -112,3 +112,3 @@ if (code && typeof code === "string") {

concise: opts.concise,
quotes: opts.quotes || CodeGenerator.findCommonStringDelimiter(code, tokens),
quotes: opts.quotes || Generator.findCommonStringDelimiter(code, tokens),
indent: {

@@ -145,3 +145,3 @@ adjustMultilineComment: true,

CodeGenerator.findCommonStringDelimiter = function findCommonStringDelimiter(code, tokens) {
Generator.findCommonStringDelimiter = function findCommonStringDelimiter(code, tokens) {
var occurences = {

@@ -181,3 +181,3 @@ single: 0,

CodeGenerator.prototype.generate = function generate() {
Generator.prototype.generate = function generate() {
this.print(this.ast);

@@ -192,3 +192,23 @@ this.printAuxAfterComment();

return Generator;
}(_printer2.default);
/**
* We originally exported the Generator class above, but to make it extra clear that it is a private API,
* we have moved that to an internal class instance and simplified the interface to the two public methods
* that we wish to support.
*/
var CodeGenerator = exports.CodeGenerator = function () {
function CodeGenerator(ast, opts, code) {
(0, _classCallCheck3.default)(this, CodeGenerator);
this._generator = new Generator(ast, opts, code);
}
CodeGenerator.prototype.generate = function generate() {
return this._generator.generate();
};
return CodeGenerator;
}(_printer2.default);
}();

51

lib/printer.js

@@ -101,3 +101,3 @@ "use strict";

var needsParens = n.needsParens(node, parent, this._printStack);
if (needsParens) this.push("(");
if (needsParens) this.token("(");

@@ -114,3 +114,3 @@ this.printLeadingComments(node, parent);

this.withSource("start", loc, function () {
_this2._print(node, parent);
_this2[node.type](node, parent);
});

@@ -123,3 +123,3 @@

if (needsParens) this.push(")");
if (needsParens) this.token(")");

@@ -159,2 +159,4 @@ // end

Printer.prototype.getPossibleRaw = function getPossibleRaw(node) {
if (this.format.minified) return;
var extra = node.extra;

@@ -166,20 +168,2 @@ if (extra && extra.raw != null && extra.rawValue != null && node.value === extra.rawValue) {

Printer.prototype._print = function _print(node, parent) {
// In minified mode we need to produce as little bytes as needed
// and need to make sure that string quoting is consistent.
// That means we have to always reprint as opposed to getting
// the raw value.
if (!this.format.minified) {
var extra = this.getPossibleRaw(node);
if (extra) {
this.push("");
this._push(extra);
return;
}
}
var printMethod = this[node.type];
printMethod.call(this, node, parent);
};
Printer.prototype.printJoin = function printJoin(nodes, parent) {

@@ -211,3 +195,3 @@ var _this3 = this;

if (opts.separator && i < len - 1) {
_this3.push(opts.separator);
opts.separator.call(_this3);
}

@@ -280,4 +264,3 @@ }

if (opts.separator == null) {
opts.separator = ",";
if (!this.format.compact) opts.separator += " ";
opts.separator = commaSeparator;
}

@@ -366,10 +349,7 @@

if (!_this4.endsWith(["[", "{"])) _this4.space();
var column = _this4.position.column;
var val = _this4.generateComment(comment);
if (column && !_this4.isLast(["\n", " ", "[", "{"])) {
_this4._push(" ");
column++;
}
//

@@ -387,6 +367,2 @@ if (comment.type === "CommentBlock" && _this4.format.indent.adjustMultilineComment) {

if (column === 0) {
val = _this4.getIndent() + val;
}
// force a newline for line comments when retainLines is set in case the next printed node

@@ -399,3 +375,3 @@ // doesn't catch up

//
_this4._push(val);
_this4.push(val);

@@ -432,5 +408,10 @@ // whitespace after

exports.default = Printer;
var _arr = [require("./generators/template-literals"), require("./generators/expressions"), require("./generators/statements"), require("./generators/classes"), require("./generators/methods"), require("./generators/modules"), require("./generators/types"), require("./generators/flow"), require("./generators/base"), require("./generators/jsx")];
function commaSeparator() {
this.token(",");
this.space();
}
var _arr = [require("./generators/template-literals"), require("./generators/expressions"), require("./generators/statements"), require("./generators/classes"), require("./generators/methods"), require("./generators/modules"), require("./generators/types"), require("./generators/flow"), require("./generators/base"), require("./generators/jsx")];
for (var _i2 = 0; _i2 < _arr.length; _i2++) {

@@ -437,0 +418,0 @@ var generator = _arr[_i2];

4

package.json
{
"name": "babel-generator",
"version": "6.10.0",
"version": "6.10.2",
"description": "Turns an AST into code.",

@@ -16,3 +16,3 @@ "author": "Sebastian McKenzie <sebmck@gmail.com>",

"babel-runtime": "^6.9.0",
"babel-types": "^6.10.0",
"babel-types": "^6.10.2",
"detect-indent": "^3.0.1",

@@ -19,0 +19,0 @@ "lodash": "^4.2.0",

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