ui

app/code/node_modules/postcss-modules-local-by-default/src/index.js

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+"use strict";
+
+const selectorParser = require("postcss-selector-parser");
+const valueParser = require("postcss-value-parser");
+const { extractICSS } = require("icss-utils");
+
+const isSpacing = (node) => node.type === "combinator" && node.value === " ";
+
+function normalizeNodeArray(nodes) {
+  const array = [];
+
+  nodes.forEach((x) => {
+    if (Array.isArray(x)) {
+      normalizeNodeArray(x).forEach((item) => {
+        array.push(item);
+      });
+    } else if (x) {
+      array.push(x);
+    }
+  });
+
+  if (array.length > 0 && isSpacing(array[array.length - 1])) {
+    array.pop();
+  }
+  return array;
+}
+
+function localizeNode(rule, mode, localAliasMap) {
+  const transform = (node, context) => {
+    if (context.ignoreNextSpacing && !isSpacing(node)) {
+      throw new Error("Missing whitespace after " + context.ignoreNextSpacing);
+    }
+
+    if (context.enforceNoSpacing && isSpacing(node)) {
+      throw new Error("Missing whitespace before " + context.enforceNoSpacing);
+    }
+
+    let newNodes;
+
+    switch (node.type) {
+      case "root": {
+        let resultingGlobal;
+
+        context.hasPureGlobals = false;
+
+        newNodes = node.nodes.map((n) => {
+          const nContext = {
+            global: context.global,
+            lastWasSpacing: true,
+            hasLocals: false,
+            explicit: false,
+          };
+
+          n = transform(n, nContext);
+
+          if (typeof resultingGlobal === "undefined") {
+            resultingGlobal = nContext.global;
+          } else if (resultingGlobal !== nContext.global) {
+            throw new Error(
+              'Inconsistent rule global/local result in rule "' +
+                node +
+                '" (multiple selectors must result in the same mode for the rule)'
+            );
+          }
+
+          if (!nContext.hasLocals) {
+            context.hasPureGlobals = true;
+          }
+
+          return n;
+        });
+
+        context.global = resultingGlobal;
+
+        node.nodes = normalizeNodeArray(newNodes);
+        break;
+      }
+      case "selector": {
+        newNodes = node.map((childNode) => transform(childNode, context));
+
+        node = node.clone();
+        node.nodes = normalizeNodeArray(newNodes);
+        break;
+      }
+      case "combinator": {
+        if (isSpacing(node)) {
+          if (context.ignoreNextSpacing) {
+            context.ignoreNextSpacing = false;
+            context.lastWasSpacing = false;
+            context.enforceNoSpacing = false;
+            return null;
+          }
+          context.lastWasSpacing = true;
+          return node;
+        }
+        break;
+      }
+      case "pseudo": {
+        let childContext;
+        const isNested = !!node.length;
+        const isScoped = node.value === ":local" || node.value === ":global";
+        const isImportExport =
+          node.value === ":import" || node.value === ":export";
+
+        if (isImportExport) {
+          context.hasLocals = true;
+          // :local(.foo)
+        } else if (isNested) {
+          if (isScoped) {
+            if (node.nodes.length === 0) {
+              throw new Error(`${node.value}() can't be empty`);
+            }
+
+            if (context.inside) {
+              throw new Error(
+                `A ${node.value} is not allowed inside of a ${context.inside}(...)`
+              );
+            }
+
+            childContext = {
+              global: node.value === ":global",
+              inside: node.value,
+              hasLocals: false,
+              explicit: true,
+            };
+
+            newNodes = node
+              .map((childNode) => transform(childNode, childContext))
+              .reduce((acc, next) => acc.concat(next.nodes), []);
+
+            if (newNodes.length) {
+              const { before, after } = node.spaces;
+
+              const first = newNodes[0];
+              const last = newNodes[newNodes.length - 1];
+
+              first.spaces = { before, after: first.spaces.after };
+              last.spaces = { before: last.spaces.before, after };
+            }
+
+            node = newNodes;
+
+            break;
+          } else {
+            childContext = {
+              global: context.global,
+              inside: context.inside,
+              lastWasSpacing: true,
+              hasLocals: false,
+              explicit: context.explicit,
+            };
+            newNodes = node.map((childNode) =>
+              transform(childNode, childContext)
+            );
+
+            node = node.clone();
+            node.nodes = normalizeNodeArray(newNodes);
+
+            if (childContext.hasLocals) {
+              context.hasLocals = true;
+            }
+          }
+          break;
+
+          //:local .foo .bar
+        } else if (isScoped) {
+          if (context.inside) {
+            throw new Error(
+              `A ${node.value} is not allowed inside of a ${context.inside}(...)`
+            );
+          }
+
+          const addBackSpacing = !!node.spaces.before;
+
+          context.ignoreNextSpacing = context.lastWasSpacing
+            ? node.value
+            : false;
+
+          context.enforceNoSpacing = context.lastWasSpacing
+            ? false
+            : node.value;
+
+          context.global = node.value === ":global";
+          context.explicit = true;
+
+          // because this node has spacing that is lost when we remove it
+          // we make up for it by adding an extra combinator in since adding
+          // spacing on the parent selector doesn't work
+          return addBackSpacing
+            ? selectorParser.combinator({ value: " " })
+            : null;
+        }
+        break;
+      }
+      case "id":
+      case "class": {
+        if (!node.value) {
+          throw new Error("Invalid class or id selector syntax");
+        }
+
+        if (context.global) {
+          break;
+        }
+
+        const isImportedValue = localAliasMap.has(node.value);
+        const isImportedWithExplicitScope = isImportedValue && context.explicit;
+
+        if (!isImportedValue || isImportedWithExplicitScope) {
+          const innerNode = node.clone();
+          innerNode.spaces = { before: "", after: "" };
+
+          node = selectorParser.pseudo({
+            value: ":local",
+            nodes: [innerNode],
+            spaces: node.spaces,
+          });
+
+          context.hasLocals = true;
+        }
+
+        break;
+      }
+    }
+
+    context.lastWasSpacing = false;
+    context.ignoreNextSpacing = false;
+    context.enforceNoSpacing = false;
+
+    return node;
+  };
+
+  const rootContext = {
+    global: mode === "global",
+    hasPureGlobals: false,
+  };
+
+  rootContext.selector = selectorParser((root) => {
+    transform(root, rootContext);
+  }).processSync(rule, { updateSelector: false, lossless: true });
+
+  return rootContext;
+}
+
+function localizeDeclNode(node, context) {
+  switch (node.type) {
+    case "word":
+      if (context.localizeNextItem) {
+        if (!context.localAliasMap.has(node.value)) {
+          node.value = ":local(" + node.value + ")";
+          context.localizeNextItem = false;
+        }
+      }
+      break;
+
+    case "function":
+      if (
+        context.options &&
+        context.options.rewriteUrl &&
+        node.value.toLowerCase() === "url"
+      ) {
+        node.nodes.map((nestedNode) => {
+          if (nestedNode.type !== "string" && nestedNode.type !== "word") {
+            return;
+          }
+
+          let newUrl = context.options.rewriteUrl(
+            context.global,
+            nestedNode.value
+          );
+
+          switch (nestedNode.type) {
+            case "string":
+              if (nestedNode.quote === "'") {
+                newUrl = newUrl.replace(/(\\)/g, "\\$1").replace(/'/g, "\\'");
+              }
+
+              if (nestedNode.quote === '"') {
+                newUrl = newUrl.replace(/(\\)/g, "\\$1").replace(/"/g, '\\"');
+              }
+
+              break;
+            case "word":
+              newUrl = newUrl.replace(/("|'|\)|\\)/g, "\\$1");
+              break;
+          }
+
+          nestedNode.value = newUrl;
+        });
+      }
+      break;
+  }
+  return node;
+}
+
+function isWordAFunctionArgument(wordNode, functionNode) {
+  return functionNode
+    ? functionNode.nodes.some(
+        (functionNodeChild) =>
+          functionNodeChild.sourceIndex === wordNode.sourceIndex
+      )
+    : false;
+}
+
+function localizeDeclarationValues(localize, declaration, context) {
+  const valueNodes = valueParser(declaration.value);
+
+  valueNodes.walk((node, index, nodes) => {
+    const subContext = {
+      options: context.options,
+      global: context.global,
+      localizeNextItem: localize && !context.global,
+      localAliasMap: context.localAliasMap,
+    };
+    nodes[index] = localizeDeclNode(node, subContext);
+  });
+
+  declaration.value = valueNodes.toString();
+}
+
+function localizeDeclaration(declaration, context) {
+  const isAnimation = /animation$/i.test(declaration.prop);
+
+  if (isAnimation) {
+    const validIdent = /^-?[_a-z][_a-z0-9-]*$/i;
+
+    /*
+    The spec defines some keywords that you can use to describe properties such as the timing
+    function. These are still valid animation names, so as long as there is a property that accepts
+    a keyword, it is given priority. Only when all the properties that can take a keyword are
+    exhausted can the animation name be set to the keyword. I.e.
+  
+    animation: infinite infinite;
+  
+    The animation will repeat an infinite number of times from the first argument, and will have an
+    animation name of infinite from the second.
+    */
+    const animationKeywords = {
+      $alternate: 1,
+      "$alternate-reverse": 1,
+      $backwards: 1,
+      $both: 1,
+      $ease: 1,
+      "$ease-in": 1,
+      "$ease-in-out": 1,
+      "$ease-out": 1,
+      $forwards: 1,
+      $infinite: 1,
+      $linear: 1,
+      $none: Infinity, // No matter how many times you write none, it will never be an animation name
+      $normal: 1,
+      $paused: 1,
+      $reverse: 1,
+      $running: 1,
+      "$step-end": 1,
+      "$step-start": 1,
+      $initial: Infinity,
+      $inherit: Infinity,
+      $unset: Infinity,
+    };
+
+    const didParseAnimationName = false;
+    let parsedAnimationKeywords = {};
+    let stepsFunctionNode = null;
+    const valueNodes = valueParser(declaration.value).walk((node) => {
+      /* If div-token appeared (represents as comma ','), a possibility of an animation-keywords should be reflesh. */
+      if (node.type === "div") {
+        parsedAnimationKeywords = {};
+      }
+      if (node.type === "function" && node.value.toLowerCase() === "steps") {
+        stepsFunctionNode = node;
+      }
+      const value =
+        node.type === "word" &&
+        !isWordAFunctionArgument(node, stepsFunctionNode)
+          ? node.value.toLowerCase()
+          : null;
+
+      let shouldParseAnimationName = false;
+
+      if (!didParseAnimationName && value && validIdent.test(value)) {
+        if ("$" + value in animationKeywords) {
+          parsedAnimationKeywords["$" + value] =
+            "$" + value in parsedAnimationKeywords
+              ? parsedAnimationKeywords["$" + value] + 1
+              : 0;
+
+          shouldParseAnimationName =
+            parsedAnimationKeywords["$" + value] >=
+            animationKeywords["$" + value];
+        } else {
+          shouldParseAnimationName = true;
+        }
+      }
+
+      const subContext = {
+        options: context.options,
+        global: context.global,
+        localizeNextItem: shouldParseAnimationName && !context.global,
+        localAliasMap: context.localAliasMap,
+      };
+      return localizeDeclNode(node, subContext);
+    });
+
+    declaration.value = valueNodes.toString();
+
+    return;
+  }
+
+  const isAnimationName = /animation(-name)?$/i.test(declaration.prop);
+
+  if (isAnimationName) {
+    return localizeDeclarationValues(true, declaration, context);
+  }
+
+  const hasUrl = /url\(/i.test(declaration.value);
+
+  if (hasUrl) {
+    return localizeDeclarationValues(false, declaration, context);
+  }
+}
+
+module.exports = (options = {}) => {
+  if (
+    options &&
+    options.mode &&
+    options.mode !== "global" &&
+    options.mode !== "local" &&
+    options.mode !== "pure"
+  ) {
+    throw new Error(
+      'options.mode must be either "global", "local" or "pure" (default "local")'
+    );
+  }
+
+  const pureMode = options && options.mode === "pure";
+  const globalMode = options && options.mode === "global";
+
+  return {
+    postcssPlugin: "postcss-modules-local-by-default",
+    prepare() {
+      const localAliasMap = new Map();
+
+      return {
+        Once(root) {
+          const { icssImports } = extractICSS(root, false);
+
+          Object.keys(icssImports).forEach((key) => {
+            Object.keys(icssImports[key]).forEach((prop) => {
+              localAliasMap.set(prop, icssImports[key][prop]);
+            });
+          });
+
+          root.walkAtRules((atRule) => {
+            if (/keyframes$/i.test(atRule.name)) {
+              const globalMatch = /^\s*:global\s*\((.+)\)\s*$/.exec(
+                atRule.params
+              );
+              const localMatch = /^\s*:local\s*\((.+)\)\s*$/.exec(
+                atRule.params
+              );
+
+              let globalKeyframes = globalMode;
+
+              if (globalMatch) {
+                if (pureMode) {
+                  throw atRule.error(
+                    "@keyframes :global(...) is not allowed in pure mode"
+                  );
+                }
+                atRule.params = globalMatch[1];
+                globalKeyframes = true;
+              } else if (localMatch) {
+                atRule.params = localMatch[0];
+                globalKeyframes = false;
+              } else if (!globalMode) {
+                if (atRule.params && !localAliasMap.has(atRule.params)) {
+                  atRule.params = ":local(" + atRule.params + ")";
+                }
+              }
+
+              atRule.walkDecls((declaration) => {
+                localizeDeclaration(declaration, {
+                  localAliasMap,
+                  options: options,
+                  global: globalKeyframes,
+                });
+              });
+            } else if (atRule.nodes) {
+              atRule.nodes.forEach((declaration) => {
+                if (declaration.type === "decl") {
+                  localizeDeclaration(declaration, {
+                    localAliasMap,
+                    options: options,
+                    global: globalMode,
+                  });
+                }
+              });
+            }
+          });
+
+          root.walkRules((rule) => {
+            if (
+              rule.parent &&
+              rule.parent.type === "atrule" &&
+              /keyframes$/i.test(rule.parent.name)
+            ) {
+              // ignore keyframe rules
+              return;
+            }
+
+            const context = localizeNode(rule, options.mode, localAliasMap);
+
+            context.options = options;
+            context.localAliasMap = localAliasMap;
+
+            if (pureMode && context.hasPureGlobals) {
+              throw rule.error(
+                'Selector "' +
+                  rule.selector +
+                  '" is not pure ' +
+                  "(pure selectors must contain at least one local class or id)"
+              );
+            }
+
+            rule.selector = context.selector;
+
+            // Less-syntax mixins parse as rules with no nodes
+            if (rule.nodes) {
+              rule.nodes.forEach((declaration) =>
+                localizeDeclaration(declaration, context)
+              );
+            }
+          });
+        },
+      };
+    },
+  };
+};
+module.exports.postcss = true;