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rOACCT/node_modules/@babel/template/lib/parse.js
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parse.js
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = parseAndBuildMetadata;
var t = _interopRequireWildcard(require("@babel/types"));
var _parser = require("@babel/parser");
var _codeFrame = require("@babel/code-frame");
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; }
const PATTERN = /^[_$A-Z0-9]+$/;
function parseAndBuildMetadata(formatter, code, opts) {
const {
placeholderWhitelist,
placeholderPattern,
preserveComments,
syntacticPlaceholders
} = opts;
const ast = parseWithCodeFrame(code, opts.parser, syntacticPlaceholders);
t.removePropertiesDeep(ast, {
preserveComments
});
formatter.validate(ast);
const syntactic = {
placeholders: [],
placeholderNames: new Set()
};
const legacy = {
placeholders: [],
placeholderNames: new Set()
};
const isLegacyRef = {
value: undefined
};
t.traverse(ast, placeholderVisitorHandler, {
syntactic,
legacy,
isLegacyRef,
placeholderWhitelist,
placeholderPattern,
syntacticPlaceholders
});
return Object.assign({
ast
}, isLegacyRef.value ? legacy : syntactic);
}
function placeholderVisitorHandler(node, ancestors, state) {
var _state$placeholderWhi;
let name;
if (t.isPlaceholder(node)) {
if (state.syntacticPlaceholders === false) {
throw new Error("%%foo%%-style placeholders can't be used when " + "'.syntacticPlaceholders' is false.");
} else {
name = node.name.name;
state.isLegacyRef.value = false;
}
} else if (state.isLegacyRef.value === false || state.syntacticPlaceholders) {
return;
} else if (t.isIdentifier(node) || t.isJSXIdentifier(node)) {
name = node.name;
state.isLegacyRef.value = true;
} else if (t.isStringLiteral(node)) {
name = node.value;
state.isLegacyRef.value = true;
} else {
return;
}
if (!state.isLegacyRef.value && (state.placeholderPattern != null || state.placeholderWhitelist != null)) {
throw new Error("'.placeholderWhitelist' and '.placeholderPattern' aren't compatible" + " with '.syntacticPlaceholders: true'");
}
if (state.isLegacyRef.value && (state.placeholderPattern === false || !(state.placeholderPattern || PATTERN).test(name)) && !((_state$placeholderWhi = state.placeholderWhitelist) == null ? void 0 : _state$placeholderWhi.has(name))) {
return;
}
ancestors = ancestors.slice();
const {
node: parent,
key
} = ancestors[ancestors.length - 1];
let type;
if (t.isStringLiteral(node) || t.isPlaceholder(node, {
expectedNode: "StringLiteral"
})) {
type = "string";
} else if (t.isNewExpression(parent) && key === "arguments" || t.isCallExpression(parent) && key === "arguments" || t.isFunction(parent) && key === "params") {
type = "param";
} else if (t.isExpressionStatement(parent) && !t.isPlaceholder(node)) {
type = "statement";
ancestors = ancestors.slice(0, -1);
} else if (t.isStatement(node) && t.isPlaceholder(node)) {
type = "statement";
} else {
type = "other";
}
const {
placeholders,
placeholderNames
} = state.isLegacyRef.value ? state.legacy : state.syntactic;
placeholders.push({
name,
type,
resolve: ast => resolveAncestors(ast, ancestors),
isDuplicate: placeholderNames.has(name)
});
placeholderNames.add(name);
}
function resolveAncestors(ast, ancestors) {
let parent = ast;
for (let i = 0; i < ancestors.length - 1; i++) {
const {
key,
index
} = ancestors[i];
if (index === undefined) {
parent = parent[key];
} else {
parent = parent[key][index];
}
}
const {
key,
index
} = ancestors[ancestors.length - 1];
return {
parent,
key,
index
};
}
function parseWithCodeFrame(code, parserOpts, syntacticPlaceholders) {
const plugins = (parserOpts.plugins || []).slice();
if (syntacticPlaceholders !== false) {
plugins.push("placeholders");
}
parserOpts = Object.assign({
allowReturnOutsideFunction: true,
allowSuperOutsideMethod: true,
sourceType: "module"
}, parserOpts, {
plugins
});
try {
return (0, _parser.parse)(code, parserOpts);
} catch (err) {
const loc = err.loc;
if (loc) {
err.message += "\n" + (0, _codeFrame.codeFrameColumns)(code, {
start: loc
});
err.code = "BABEL_TEMPLATE_PARSE_ERROR";
}
throw err;
}
}
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