ghaction-upx/node_modules/@babel/parser/lib/plugins/jsx/index.js

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2020-01-23 01:49:02 -07:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _xhtml = _interopRequireDefault(require("./xhtml"));
var _types = require("../../tokenizer/types");
var _context = require("../../tokenizer/context");
var N = _interopRequireWildcard(require("../../types"));
var _identifier = require("../../util/identifier");
var _whitespace = require("../../util/whitespace");
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const HEX_NUMBER = /^[\da-fA-F]+$/;
const DECIMAL_NUMBER = /^\d+$/;
_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);
this.state.context.push(_context.types.j_oTag);
this.state.exprAllowed = false;
};
_types.types.jsxTagEnd.updateContext = function (prevType) {
const 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;
}
};
function isFragment(object) {
return object ? object.type === "JSXOpeningFragment" || object.type === "JSXClosingFragment" : false;
}
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);
}
throw new Error("Node had unexpected type: " + object.type);
}
var _default = superClass => class extends superClass {
jsxReadToken() {
let out = "";
let chunkStart = this.state.pos;
for (;;) {
if (this.state.pos >= this.length) {
throw this.raise(this.state.start, "Unterminated JSX contents");
}
const 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 super.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;
}
}
}
}
jsxReadNewLine(normalizeCRLF) {
const ch = this.input.charCodeAt(this.state.pos);
let out;
++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;
}
jsxReadString(quote) {
let out = "";
let chunkStart = ++this.state.pos;
for (;;) {
if (this.state.pos >= this.length) {
throw this.raise(this.state.start, "Unterminated string constant");
}
const 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);
}
jsxReadEntity() {
let str = "";
let count = 0;
let entity;
let ch = this.input[this.state.pos];
const startPos = ++this.state.pos;
while (this.state.pos < this.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.fromCodePoint(parseInt(str, 16));
}
} else {
str = str.substr(1);
if (DECIMAL_NUMBER.test(str)) {
entity = String.fromCodePoint(parseInt(str, 10));
}
}
} else {
entity = _xhtml.default[str];
}
break;
}
str += ch;
}
if (!entity) {
this.state.pos = startPos;
return "&";
}
return entity;
}
jsxReadWord() {
let ch;
const 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));
}
jsxParseIdentifier() {
const 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");
}
jsxParseNamespacedName() {
const startPos = this.state.start;
const startLoc = this.state.startLoc;
const name = this.jsxParseIdentifier();
if (!this.eat(_types.types.colon)) return name;
const node = this.startNodeAt(startPos, startLoc);
node.namespace = name;
node.name = this.jsxParseIdentifier();
return this.finishNode(node, "JSXNamespacedName");
}
jsxParseElementName() {
const startPos = this.state.start;
const startLoc = this.state.startLoc;
let node = this.jsxParseNamespacedName();
if (node.type === "JSXNamespacedName") {
return node;
}
while (this.eat(_types.types.dot)) {
const newNode = this.startNodeAt(startPos, startLoc);
newNode.object = node;
newNode.property = this.jsxParseIdentifier();
node = this.finishNode(newNode, "JSXMemberExpression");
}
return node;
}
jsxParseAttributeValue() {
let node;
switch (this.state.type) {
case _types.types.braceL:
node = this.startNode();
this.next();
node = this.jsxParseExpressionContainer(node);
if (node.expression.type === "JSXEmptyExpression") {
this.raise(node.start, "JSX attributes must only be assigned a non-empty expression");
}
return node;
case _types.types.jsxTagStart:
case _types.types.string:
return this.parseExprAtom();
default:
throw this.raise(this.state.start, "JSX value should be either an expression or a quoted JSX text");
}
}
jsxParseEmptyExpression() {
const node = this.startNodeAt(this.state.lastTokEnd, this.state.lastTokEndLoc);
return this.finishNodeAt(node, "JSXEmptyExpression", this.state.start, this.state.startLoc);
}
jsxParseSpreadChild(node) {
this.next();
node.expression = this.parseExpression();
this.expect(_types.types.braceR);
return this.finishNode(node, "JSXSpreadChild");
}
jsxParseExpressionContainer(node) {
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");
}
jsxParseAttribute() {
const 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");
}
jsxParseOpeningElementAt(startPos, startLoc) {
const node = this.startNodeAt(startPos, startLoc);
if (this.match(_types.types.jsxTagEnd)) {
this.expect(_types.types.jsxTagEnd);
return this.finishNode(node, "JSXOpeningFragment");
}
node.name = this.jsxParseElementName();
return this.jsxParseOpeningElementAfterName(node);
}
jsxParseOpeningElementAfterName(node) {
const attributes = [];
while (!this.match(_types.types.slash) && !this.match(_types.types.jsxTagEnd)) {
attributes.push(this.jsxParseAttribute());
}
node.attributes = attributes;
node.selfClosing = this.eat(_types.types.slash);
this.expect(_types.types.jsxTagEnd);
return this.finishNode(node, "JSXOpeningElement");
}
jsxParseClosingElementAt(startPos, startLoc) {
const node = this.startNodeAt(startPos, startLoc);
if (this.match(_types.types.jsxTagEnd)) {
this.expect(_types.types.jsxTagEnd);
return this.finishNode(node, "JSXClosingFragment");
}
node.name = this.jsxParseElementName();
this.expect(_types.types.jsxTagEnd);
return this.finishNode(node, "JSXClosingElement");
}
jsxParseElementAt(startPos, startLoc) {
const node = this.startNodeAt(startPos, startLoc);
const children = [];
const openingElement = this.jsxParseOpeningElementAt(startPos, startLoc);
let 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:
{
const node = this.startNode();
this.next();
if (this.match(_types.types.ellipsis)) {
children.push(this.jsxParseSpreadChild(node));
} else {
children.push(this.jsxParseExpressionContainer(node));
}
break;
}
default:
throw this.unexpected();
}
}
if (isFragment(openingElement) && !isFragment(closingElement)) {
this.raise(closingElement.start, "Expected corresponding JSX closing tag for <>");
} else if (!isFragment(openingElement) && isFragment(closingElement)) {
this.raise(closingElement.start, "Expected corresponding JSX closing tag for <" + getQualifiedJSXName(openingElement.name) + ">");
} else if (!isFragment(openingElement) && !isFragment(closingElement)) {
if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) {
this.raise(closingElement.start, "Expected corresponding JSX closing tag for <" + getQualifiedJSXName(openingElement.name) + ">");
}
}
}
if (isFragment(openingElement)) {
node.openingFragment = openingElement;
node.closingFragment = closingElement;
} else {
node.openingElement = openingElement;
node.closingElement = closingElement;
}
node.children = children;
if (this.isRelational("<")) {
throw this.raise(this.state.start, "Adjacent JSX elements must be wrapped in an enclosing tag. " + "Did you want a JSX fragment <>...</>?");
}
return isFragment(openingElement) ? this.finishNode(node, "JSXFragment") : this.finishNode(node, "JSXElement");
}
jsxParseElement() {
const startPos = this.state.start;
const startLoc = this.state.startLoc;
this.next();
return this.jsxParseElementAt(startPos, startLoc);
}
parseExprAtom(refShortHandDefaultPos) {
if (this.match(_types.types.jsxText)) {
return this.parseLiteral(this.state.value, "JSXText");
} else if (this.match(_types.types.jsxTagStart)) {
return this.jsxParseElement();
} else if (this.isRelational("<") && this.input.charCodeAt(this.state.pos) !== 33) {
this.finishToken(_types.types.jsxTagStart);
return this.jsxParseElement();
} else {
return super.parseExprAtom(refShortHandDefaultPos);
}
}
getTokenFromCode(code) {
if (this.state.inPropertyName) return super.getTokenFromCode(code);
const 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.input.charCodeAt(this.state.pos + 1) !== 33) {
++this.state.pos;
return this.finishToken(_types.types.jsxTagStart);
}
return super.getTokenFromCode(code);
}
updateContext(prevType) {
if (this.match(_types.types.braceL)) {
const 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 {
super.updateContext(prevType);
}
this.state.exprAllowed = true;
} else if (this.match(_types.types.slash) && prevType === _types.types.jsxTagStart) {
this.state.context.length -= 2;
this.state.context.push(_context.types.j_cTag);
this.state.exprAllowed = false;
} else {
return super.updateContext(prevType);
}
}
};
exports.default = _default;