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app_vue/node_modules/@babel/template/lib/parse.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = parseAndBuildMetadata;
+var _t = require("@babel/types");
+var _parser = require("@babel/parser");
+var _codeFrame = require("@babel/code-frame");
+const {
+  isCallExpression,
+  isExpressionStatement,
+  isFunction,
+  isIdentifier,
+  isJSXIdentifier,
+  isNewExpression,
+  isPlaceholder,
+  isStatement,
+  isStringLiteral,
+  removePropertiesDeep,
+  traverse
+} = _t;
+const PATTERN = /^[_$A-Z0-9]+$/;
+function parseAndBuildMetadata(formatter, code, opts) {
+  const {
+    placeholderWhitelist,
+    placeholderPattern,
+    preserveComments,
+    syntacticPlaceholders
+  } = opts;
+  const ast = parseWithCodeFrame(code, opts.parser, syntacticPlaceholders);
+  removePropertiesDeep(ast, {
+    preserveComments
+  });
+  formatter.validate(ast);
+  const state = {
+    syntactic: {
+      placeholders: [],
+      placeholderNames: new Set()
+    },
+    legacy: {
+      placeholders: [],
+      placeholderNames: new Set()
+    },
+    placeholderWhitelist,
+    placeholderPattern,
+    syntacticPlaceholders
+  };
+  traverse(ast, placeholderVisitorHandler, state);
+  return Object.assign({
+    ast
+  }, state.syntactic.placeholders.length ? state.syntactic : state.legacy);
+}
+function placeholderVisitorHandler(node, ancestors, state) {
+  var _state$placeholderWhi;
+  let name;
+  let hasSyntacticPlaceholders = state.syntactic.placeholders.length > 0;
+  if (isPlaceholder(node)) {
+    if (state.syntacticPlaceholders === false) {
+      throw new Error("%%foo%%-style placeholders can't be used when " + "'.syntacticPlaceholders' is false.");
+    }
+    name = node.name.name;
+    hasSyntacticPlaceholders = true;
+  } else if (hasSyntacticPlaceholders || state.syntacticPlaceholders) {
+    return;
+  } else if (isIdentifier(node) || isJSXIdentifier(node)) {
+    name = node.name;
+  } else if (isStringLiteral(node)) {
+    name = node.value;
+  } else {
+    return;
+  }
+  if (hasSyntacticPlaceholders && (state.placeholderPattern != null || state.placeholderWhitelist != null)) {
+    throw new Error("'.placeholderWhitelist' and '.placeholderPattern' aren't compatible" + " with '.syntacticPlaceholders: true'");
+  }
+  if (!hasSyntacticPlaceholders && (state.placeholderPattern === false || !(state.placeholderPattern || PATTERN).test(name)) && !((_state$placeholderWhi = state.placeholderWhitelist) != null && _state$placeholderWhi.has(name))) {
+    return;
+  }
+  ancestors = ancestors.slice();
+  const {
+    node: parent,
+    key
+  } = ancestors[ancestors.length - 1];
+  let type;
+  if (isStringLiteral(node) || isPlaceholder(node, {
+    expectedNode: "StringLiteral"
+  })) {
+    type = "string";
+  } else if (isNewExpression(parent) && key === "arguments" || isCallExpression(parent) && key === "arguments" || isFunction(parent) && key === "params") {
+    type = "param";
+  } else if (isExpressionStatement(parent) && !isPlaceholder(node)) {
+    type = "statement";
+    ancestors = ancestors.slice(0, -1);
+  } else if (isStatement(node) && isPlaceholder(node)) {
+    type = "statement";
+  } else {
+    type = "other";
+  }
+  const {
+    placeholders,
+    placeholderNames
+  } = !hasSyntacticPlaceholders ? 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({
+    allowAwaitOutsideFunction: true,
+    allowReturnOutsideFunction: true,
+    allowNewTargetOutsideFunction: true,
+    allowSuperOutsideMethod: true,
+    allowYieldOutsideFunction: 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;
+  }
+}
+
+//# sourceMappingURL=parse.js.map