.

node_modules/@babel/template/lib/populate.js

@@ -0,0 +1,133 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = populatePlaceholders;
+
+function t() {
+  const data = _interopRequireWildcard(require("@babel/types"));
+
+  t = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function populatePlaceholders(metadata, replacements) {
+  const ast = t().cloneNode(metadata.ast);
+
+  if (replacements) {
+    metadata.placeholders.forEach(placeholder => {
+      if (!Object.prototype.hasOwnProperty.call(replacements, placeholder.name)) {
+        const placeholderName = placeholder.name;
+        throw new Error(`Error: No substitution given for "${placeholderName}". If this is not meant to be a
+            placeholder you may want to consider passing one of the following options to @babel/template:
+            - { placeholderPattern: false, placeholderWhitelist: new Set(['${placeholderName}'])}
+            - { placeholderPattern: /^${placeholderName}$/ }`);
+      }
+    });
+    Object.keys(replacements).forEach(key => {
+      if (!metadata.placeholderNames.has(key)) {
+        throw new Error(`Unknown substitution "${key}" given`);
+      }
+    });
+  }
+
+  metadata.placeholders.slice().reverse().forEach(placeholder => {
+    try {
+      applyReplacement(placeholder, ast, replacements && replacements[placeholder.name] || null);
+    } catch (e) {
+      e.message = `@babel/template placeholder "${placeholder.name}": ${e.message}`;
+      throw e;
+    }
+  });
+  return ast;
+}
+
+function applyReplacement(placeholder, ast, replacement) {
+  if (placeholder.isDuplicate) {
+    if (Array.isArray(replacement)) {
+      replacement = replacement.map(node => t().cloneNode(node));
+    } else if (typeof replacement === "object") {
+      replacement = t().cloneNode(replacement);
+    }
+  }
+
+  const {
+    parent,
+    key,
+    index
+  } = placeholder.resolve(ast);
+
+  if (placeholder.type === "string") {
+    if (typeof replacement === "string") {
+      replacement = t().stringLiteral(replacement);
+    }
+
+    if (!replacement || !t().isStringLiteral(replacement)) {
+      throw new Error("Expected string substitution");
+    }
+  } else if (placeholder.type === "statement") {
+    if (index === undefined) {
+      if (!replacement) {
+        replacement = t().emptyStatement();
+      } else if (Array.isArray(replacement)) {
+        replacement = t().blockStatement(replacement);
+      } else if (typeof replacement === "string") {
+        replacement = t().expressionStatement(t().identifier(replacement));
+      } else if (!t().isStatement(replacement)) {
+        replacement = t().expressionStatement(replacement);
+      }
+    } else {
+      if (replacement && !Array.isArray(replacement)) {
+        if (typeof replacement === "string") {
+          replacement = t().identifier(replacement);
+        }
+
+        if (!t().isStatement(replacement)) {
+          replacement = t().expressionStatement(replacement);
+        }
+      }
+    }
+  } else if (placeholder.type === "param") {
+    if (typeof replacement === "string") {
+      replacement = t().identifier(replacement);
+    }
+
+    if (index === undefined) throw new Error("Assertion failure.");
+  } else {
+    if (typeof replacement === "string") {
+      replacement = t().identifier(replacement);
+    }
+
+    if (Array.isArray(replacement)) {
+      throw new Error("Cannot replace single expression with an array.");
+    }
+  }
+
+  if (index === undefined) {
+    t().validate(parent, key, replacement);
+    parent[key] = replacement;
+  } else {
+    const items = parent[key].slice();
+
+    if (placeholder.type === "statement" || placeholder.type === "param") {
+      if (replacement == null) {
+        items.splice(index, 1);
+      } else if (Array.isArray(replacement)) {
+        items.splice(index, 1, ...replacement);
+      } else {
+        items[index] = replacement;
+      }
+    } else {
+      items[index] = replacement;
+    }
+
+    t().validate(parent, key, items);
+    parent[key] = items;
+  }
+}