145 lines
3.5 KiB
JavaScript
145 lines
3.5 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = void 0;
|
|
|
|
var _helperPluginUtils = require("@babel/helper-plugin-utils");
|
|
|
|
var _core = require("@babel/core");
|
|
|
|
var _default = (0, _helperPluginUtils.declare)(api => {
|
|
api.assertVersion(7);
|
|
const surrogate = /[\ud800-\udfff]/g;
|
|
const unicodeEscape = /(\\+)u\{([0-9a-fA-F]+)\}/g;
|
|
|
|
function escape(code) {
|
|
let str = code.toString(16);
|
|
|
|
while (str.length < 4) str = "0" + str;
|
|
|
|
return "\\u" + str;
|
|
}
|
|
|
|
function replacer(match, backslashes, code) {
|
|
if (backslashes.length % 2 === 0) {
|
|
return match;
|
|
}
|
|
|
|
const char = String.fromCodePoint(parseInt(code, 16));
|
|
const escaped = backslashes.slice(0, -1) + escape(char.charCodeAt(0));
|
|
return char.length === 1 ? escaped : escaped + escape(char.charCodeAt(1));
|
|
}
|
|
|
|
function replaceUnicodeEscapes(str) {
|
|
return str.replace(unicodeEscape, replacer);
|
|
}
|
|
|
|
function getUnicodeEscape(str) {
|
|
let match;
|
|
|
|
while (match = unicodeEscape.exec(str)) {
|
|
if (match[1].length % 2 === 0) continue;
|
|
unicodeEscape.lastIndex = 0;
|
|
return match[0];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
return {
|
|
name: "transform-unicode-escapes",
|
|
|
|
manipulateOptions({
|
|
generatorOpts
|
|
}) {
|
|
var _generatorOpts$jsescO, _generatorOpts$jsescO2;
|
|
|
|
if (!generatorOpts.jsescOption) {
|
|
generatorOpts.jsescOption = {};
|
|
}
|
|
|
|
(_generatorOpts$jsescO2 = (_generatorOpts$jsescO = generatorOpts.jsescOption).minimal) != null ? _generatorOpts$jsescO2 : _generatorOpts$jsescO.minimal = false;
|
|
},
|
|
|
|
visitor: {
|
|
Identifier(path) {
|
|
const {
|
|
node,
|
|
key
|
|
} = path;
|
|
const {
|
|
name
|
|
} = node;
|
|
const replaced = name.replace(surrogate, c => {
|
|
return `_u${c.charCodeAt(0).toString(16)}`;
|
|
});
|
|
if (name === replaced) return;
|
|
|
|
const str = _core.types.inherits(_core.types.stringLiteral(name), node);
|
|
|
|
if (key === "key") {
|
|
path.replaceWith(str);
|
|
return;
|
|
}
|
|
|
|
const {
|
|
parentPath,
|
|
scope
|
|
} = path;
|
|
|
|
if (parentPath.isMemberExpression({
|
|
property: node
|
|
}) || parentPath.isOptionalMemberExpression({
|
|
property: node
|
|
})) {
|
|
parentPath.node.computed = true;
|
|
path.replaceWith(str);
|
|
return;
|
|
}
|
|
|
|
const binding = scope.getBinding(name);
|
|
|
|
if (binding) {
|
|
scope.rename(name, scope.generateUid(replaced));
|
|
return;
|
|
}
|
|
|
|
throw path.buildCodeFrameError(`Can't reference '${name}' as a bare identifier`);
|
|
},
|
|
|
|
"StringLiteral|DirectiveLiteral"(path) {
|
|
const {
|
|
node
|
|
} = path;
|
|
const {
|
|
extra
|
|
} = node;
|
|
if (extra != null && extra.raw) extra.raw = replaceUnicodeEscapes(extra.raw);
|
|
},
|
|
|
|
TemplateElement(path) {
|
|
const {
|
|
node,
|
|
parentPath
|
|
} = path;
|
|
const {
|
|
value
|
|
} = node;
|
|
const firstEscape = getUnicodeEscape(value.raw);
|
|
if (!firstEscape) return;
|
|
const grandParent = parentPath.parentPath;
|
|
|
|
if (grandParent.isTaggedTemplateExpression()) {
|
|
throw path.buildCodeFrameError(`Can't replace Unicode escape '${firstEscape}' inside tagged template literals. You can enable '@babel/plugin-transform-template-literals' to compile them to classic strings.`);
|
|
}
|
|
|
|
value.raw = replaceUnicodeEscapes(value.raw);
|
|
}
|
|
|
|
}
|
|
};
|
|
});
|
|
|
|
exports.default = _default; |