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import _toConsumableArray from "@babel/runtime/helpers/toConsumableArray";import _classCallCheck from "@babel/runtime/helpers/classCallCheck";import _createClass from "@babel/runtime/helpers/createClass";import _inherits from "@babel/runtime/helpers/inherits";import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";function _createSuper(Derived) {var hasNativeReflectConstruct = _isNativeReflectConstruct();return function _createSuperInternal() {var Super = _getPrototypeOf(Derived),result;if (hasNativeReflectConstruct) {var NewTarget = _getPrototypeOf(this).constructor;result = Reflect.construct(Super, arguments, NewTarget);} else {result = Super.apply(this, arguments);}return _possibleConstructorReturn(this, result);};}function _isNativeReflectConstruct() {try {var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));} catch (t) {}return (_isNativeReflectConstruct = function _isNativeReflectConstruct() {return !!t;})();}import JavascriptLexer from './javascript-lexer.js';
import ts from 'typescript';
import { unescape } from '../helpers.js';var
JsxLexer = /*#__PURE__*/function (_JavascriptLexer) {_inherits(JsxLexer, _JavascriptLexer);var _super = _createSuper(JsxLexer);
function JsxLexer() {var _this;var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};_classCallCheck(this, JsxLexer);
_this = _super.call(this, options);
_this.componentFunctions = options.componentFunctions || ['Trans'];
_this.transSupportBasicHtmlNodes =
options.transSupportBasicHtmlNodes || false;
_this.transKeepBasicHtmlNodesFor = options.transKeepBasicHtmlNodesFor || [
'br',
'strong',
'i',
'p'];
_this.omitAttributes = [_this.attr, 'ns', 'defaults'];
_this.transIdentityFunctionsToIgnore =
options.transIdentityFunctionsToIgnore || [];return _this;
}_createClass(JsxLexer, [{ key: "extract", value:
function extract(content) {var _this2 = this;var filename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '__default.jsx';
var keys = [];
var parseCommentNode = this.createCommentNodeParser();
var parseTree = function parseTree(node) {
var entry;
parseCommentNode(keys, node, content);
switch (node.kind) {
case ts.SyntaxKind.CallExpression:
var entries = _this2.expressionExtractor.call(_this2, node);
if (entries) {
keys.push.apply(keys, _toConsumableArray(entries));
}
break;
case ts.SyntaxKind.TaggedTemplateExpression:
entry = _this2.taggedTemplateExpressionExtractor.call(_this2, node);
break;
case ts.SyntaxKind.JsxElement:
entry = _this2.jsxExtractor.call(_this2, node, content);
break;
case ts.SyntaxKind.JsxSelfClosingElement:
entry = _this2.jsxExtractor.call(_this2, node, content);
break;
}
if (entry) {
keys.push(entry);
}
node.forEachChild(parseTree);
};
var sourceFile = ts.createSourceFile(
filename,
content,
ts.ScriptTarget.Latest
);
parseTree(sourceFile);
var keysWithNamespace = this.setNamespaces(keys);
var keysWithPrefixes = this.setKeyPrefixes(keysWithNamespace);
return keysWithPrefixes;
} }, { key: "jsxExtractor", value:
function jsxExtractor(node, sourceText) {var _this3 = this;
var tagNode = node.openingElement || node;
var getPropValue = function getPropValue(node, attributeName) {var _attribute$initialize;
var attribute = node.attributes.properties.find(
function (attr) {return attr.name !== undefined && attr.name.text === attributeName;}
);
if (!attribute) {
return undefined;
}
if (((_attribute$initialize = attribute.initializer.expression) === null || _attribute$initialize === void 0 ? void 0 : _attribute$initialize.kind) === ts.SyntaxKind.Identifier) {
_this3.emit(
'warning', "\"".concat(
attributeName, "\" prop is not a string literal: ").concat(attribute.initializer.expression.text)
);
return undefined;
}
return attribute.initializer.expression ?
attribute.initializer.expression.text :
attribute.initializer.text;
};
var getKey = function getKey(node) {return getPropValue(node, _this3.attr);};
if (
this.componentFunctions.includes(this.expressionToName(tagNode.tagName)))
{
var entry = {};
entry.key = getKey(tagNode);
var namespace = getPropValue(tagNode, 'ns');
if (namespace) {
entry.namespace = namespace;
}
tagNode.attributes.properties.forEach(function (property) {
if (property.kind === ts.SyntaxKind.JsxSpreadAttribute) {
_this3.emit(
'warning', "Component attribute is a JSX spread attribute : ".concat(
property.expression.text)
);
return;
}
if (_this3.omitAttributes.includes(property.name.text)) {
return;
}
if (property.initializer) {
if (property.initializer.expression) {
if (
property.initializer.expression.kind === ts.SyntaxKind.TrueKeyword)
{
entry[property.name.text] = true;
} else if (
property.initializer.expression.kind ===
ts.SyntaxKind.FalseKeyword)
{
entry[property.name.text] = false;
} else {
entry[property.name.text] = "{".concat(
property.initializer.expression.text ||
_this3.cleanMultiLineCode(
sourceText.slice(
property.initializer.expression.pos,
property.initializer.expression.end
)
), "}");
}
} else {
entry[property.name.text] = property.initializer.text;
}
} else entry[property.name.text] = true;
});
var nodeAsString = this.nodeToString.call(this, node, sourceText);
var defaultsProp = getPropValue(tagNode, 'defaults');
var defaultValue = defaultsProp || nodeAsString;
// If `shouldUnescape` is not true, it means the value cannot contain HTML entities,
// so we need to unescape these entities now so that they can be properly rendered later
if (entry.shouldUnescape !== true) {
defaultValue = unescape(defaultValue);
}
if (defaultValue !== '') {
entry.defaultValue = defaultValue;
if (!entry.key) {
// If there's no key, default to the stringified unescaped node, then to the default value:
// https://github.com/i18next/react-i18next/blob/95f9c6a7b602a7b1fd33c1ded6dcfc23a52b853b/src/TransWithoutContext.js#L337
entry.key = unescape(nodeAsString) || entry.defaultValue;
}
}
return entry.key ? entry : null;
} else if (tagNode.tagName.text === 'Interpolate') {
var _entry = {};
_entry.key = getKey(tagNode);
return _entry.key ? _entry : null;
} else if (tagNode.tagName.text === 'Translation') {
var _namespace = getPropValue(tagNode, 'ns');
if (_namespace) {
this.defaultNamespace = _namespace;
}
}
} }, { key: "nodeToString", value:
function nodeToString(node, sourceText) {var _this4 = this;
var children = this.parseChildren.call(
this,
node,
node.children,
sourceText
);
var elemsToString = function elemsToString(children) {return (
children.
map(function (child, index) {
switch (child.type) {
case 'js':
case 'text':
return child.content;
case 'tag':
var useTagName =
child.isBasic &&
_this4.transSupportBasicHtmlNodes &&
_this4.transKeepBasicHtmlNodesFor.includes(child.name);
var elementName = useTagName ? child.name : index;
var childrenString = elemsToString(child.children);
return childrenString || !(useTagName && child.selfClosing) ? "<".concat(
elementName, ">").concat(childrenString, "</").concat(elementName, ">") : "<".concat(
elementName, " />");
default:
throw new Error('Unknown parsed content: ' + child.type);
}
}).
join(''));};
return elemsToString(children);
} }, { key: "cleanMultiLineCode", value:
function cleanMultiLineCode(text) {
return text.
replace(/(^(\n|\r)\s*)|((\n|\r)\s*$)/g, '').
replace(/(\n|\r)\s*/g, ' ');
} }, { key: "parseChildren", value:
function parseChildren(node) {var _this5 = this;var children = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];var sourceText = arguments.length > 2 ? arguments[2] : undefined;
return children.
map(function (child) {
if (child.kind === ts.SyntaxKind.JsxText) {
return {
type: 'text',
content: _this5.cleanMultiLineCode(child.text)
};
} else if (
child.kind === ts.SyntaxKind.JsxElement ||
child.kind === ts.SyntaxKind.JsxSelfClosingElement)
{
var element = child.openingElement || child;
var name = element.tagName.escapedText;
var isBasic = !element.attributes.properties.length;
var hasDynamicChildren = element.attributes.properties.find(
function (prop) {return (
prop.kind === ts.SyntaxKind.JsxAttribute &&
prop.name.escapedText === 'i18nIsDynamicList');}
);
return {
type: 'tag',
children: hasDynamicChildren ?
[] :
_this5.parseChildren(child, child.children, sourceText),
name: name,
isBasic: isBasic,
selfClosing: child.kind === ts.SyntaxKind.JsxSelfClosingElement
};
} else if (child.kind === ts.SyntaxKind.JsxExpression) {
// strip empty expressions
if (!child.expression) {
return {
type: 'text',
content: ''
};
}
// simplify trivial expressions, like TypeScript typecasts
while (child.expression.kind === ts.SyntaxKind.AsExpression) {
child = child.expression;
}
// Sometimes, we might want to wrap ObjectExpressions in a function
// for typechecker compatibility: e.g.,
//
// Instead of
// `<Trans>Hello, <Link to="/">{{ name }}</Link></Trans>`
// we might want:
// `<Trans>Hello, <Link to="/">{castToString({ name })}</Link></Trans>`
//
// because that way, we can have {castToString(...)} be typed
// in a a way to return a string, which would be type-compatible
// with `children?: React.ReactNode`
//
// In these cases, we want to look at the object expressions within
// the function call to extract the variables
if (
child.expression.kind === ts.SyntaxKind.CallExpression &&
child.expression.expression.kind === ts.SyntaxKind.Identifier &&
_this5.transIdentityFunctionsToIgnore.includes(
child.expression.expression.escapedText
) &&
child.expression.arguments.length >= 1)
{
child = { expression: child.expression.arguments[0] };
}
if (child.expression.kind === ts.SyntaxKind.StringLiteral) {
return {
type: 'text',
content: child.expression.text
};
}
// strip properties from ObjectExpressions
// annoying (and who knows how many other exceptions we'll need to write) but necessary
else if (
child.expression.kind === ts.SyntaxKind.ObjectLiteralExpression)
{
// i18next-react only accepts two props, any random single prop, and a format prop
var nonFormatProperties = child.expression.properties.filter(
function (prop) {return prop.name.text !== 'format';}
);
var formatProperty = child.expression.properties.find(
function (prop) {return prop.name.text === 'format';}
);
// more than one property throw a warning in i18next-react, but still works as a key
if (nonFormatProperties.length > 1) {
_this5.emit(
'warning', "The passed in object contained more than one variable - the object should look like {{ value, format }} where format is optional."
);
return {
type: 'text',
content: ''
};
}
// This matches the behaviour of the Trans component in i18next as of v13.0.2:
// https://github.com/i18next/react-i18next/blob/0a4681e428c888fe986bcc0109eb19eab6ff2eb3/src/TransWithoutContext.js#L88
var value = formatProperty ? "".concat(
nonFormatProperties[0].name.text, ", ").concat(formatProperty.initializer.text) :
nonFormatProperties[0].name.text;
return {
type: 'js',
content: "{{".concat(value, "}}")
};
}
// slice on the expression so that we ignore comments around it
var slicedExpression = sourceText.slice(
child.expression.pos,
child.expression.end
);
var tagNode = node.openingElement || node;
var attrValues = tagNode.attributes.properties.
filter(function (attr) {var _attr$name;return [_this5.attr, 'defaults'].includes((_attr$name = attr.name) === null || _attr$name === void 0 ? void 0 : _attr$name.text);}).
map(
function (attr) {var _attr$initializer$exp, _attr$initializer$exp2;return (_attr$initializer$exp = (_attr$initializer$exp2 =
attr.initializer.expression) === null || _attr$initializer$exp2 === void 0 ? void 0 : _attr$initializer$exp2.text) !== null && _attr$initializer$exp !== void 0 ? _attr$initializer$exp : attr.initializer.text;}
);
if (attrValues.some(function (attr) {return !attr;})) {
_this5.emit('warning', "Child is not literal: ".concat(slicedExpression));
}
return {
type: 'js',
content: "{".concat(slicedExpression, "}")
};
} else {
throw new Error('Unknown ast element when parsing jsx: ' + child.kind);
}
}).
filter(function (child) {return child.type !== 'text' || child.content;});
} }]);return JsxLexer;}(JavascriptLexer);export { JsxLexer as default };
//# sourceMappingURL=jsx-lexer.js.map |