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-rw-r--r--node_modules/babel-plugin-minify-builtins/lib/index.js354
1 files changed, 0 insertions, 354 deletions
diff --git a/node_modules/babel-plugin-minify-builtins/lib/index.js b/node_modules/babel-plugin-minify-builtins/lib/index.js
deleted file mode 100644
index c63cb395..00000000
--- a/node_modules/babel-plugin-minify-builtins/lib/index.js
+++ /dev/null
@@ -1,354 +0,0 @@
-"use strict"; // Assuming all the static methods from below array are side effect free evaluation
-// except Math.random
-
-function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
-
-function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
-
-function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
-
-function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
-
-const VALID_CALLEES = ["String", "Number", "Math"];
-const INVALID_METHODS = ["random"];
-const newIssueUrl = "https://github.com/babel/minify/issues/new";
-
-module.exports = function ({
- types: t
-}) {
- class BuiltInReplacer {
- constructor() {
- // map<expr_name, path[]>;
- this.pathsToUpdate = new Map();
- }
-
- getCollectVisitor() {
- const context = this;
- const collectVisitor = {
- AssignmentExpression(path) {
- const left = path.node.left; // Should bail and not run the plugin
- // when builtin is polyfilled
-
- if (t.isMemberExpression(left) && isBuiltInComputed(left)) {
- let parent = path;
-
- do {
- parent.stop();
- } while (parent = parent.parentPath);
- }
- },
-
- MemberExpression(path) {
- if (path.parentPath.isCallExpression()) {
- return;
- }
-
- const node = path.node;
-
- if (!isComputed(node) && isBuiltin(node) && !getFunctionParent(path).isProgram()) {
- const expName = memberToString(node);
- addToMap(context.pathsToUpdate, expName, path);
- }
- },
-
- CallExpression: {
- exit(path) {
- const callee = path.get("callee");
-
- if (!callee.isMemberExpression()) {
- return;
- }
-
- const node = callee.node; // computed property should not be optimized
- // Math[max]() -> Math.max()
-
- if (!isComputed(node) && isBuiltin(node) && !getFunctionParent(callee).isProgram()) {
- const expName = memberToString(node);
- addToMap(context.pathsToUpdate, expName, callee);
- }
- }
-
- }
- };
- return collectVisitor;
- }
-
- replace() {
- var _iteratorNormalCompletion = true;
- var _didIteratorError = false;
- var _iteratorError = undefined;
-
- try {
- for (var _iterator = this.pathsToUpdate[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
- const _step$value = _slicedToArray(_step.value, 2),
- expName = _step$value[0],
- paths = _step$value[1];
-
- // transform only if there is more than 1 occurence
- if (paths.length <= 1) {
- continue;
- }
-
- const segmentsMap = getSegmentedSubPaths(paths);
- var _iteratorNormalCompletion2 = true;
- var _didIteratorError2 = false;
- var _iteratorError2 = undefined;
-
- try {
- for (var _iterator2 = segmentsMap[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
- const _step2$value = _slicedToArray(_step2.value, 2),
- parent = _step2$value[0],
- subpaths = _step2$value[1];
-
- if (subpaths.length <= 1) {
- continue;
- }
-
- const uniqueIdentifier = parent.scope.generateUidIdentifier(expName);
- const newNode = t.variableDeclaration("var", [t.variableDeclarator(uniqueIdentifier, subpaths[0].node)]);
- var _iteratorNormalCompletion3 = true;
- var _didIteratorError3 = false;
- var _iteratorError3 = undefined;
-
- try {
- for (var _iterator3 = subpaths[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
- const path = _step3.value;
- path.replaceWith(t.clone(uniqueIdentifier));
- } // hoist the created var to the top of the function scope
-
- } catch (err) {
- _didIteratorError3 = true;
- _iteratorError3 = err;
- } finally {
- try {
- if (!_iteratorNormalCompletion3 && _iterator3.return != null) {
- _iterator3.return();
- }
- } finally {
- if (_didIteratorError3) {
- throw _iteratorError3;
- }
- }
- }
-
- const target = parent.get("body");
- /**
- * Here, we validate a case where there is a local binding of
- * one of Math, String or Number. Here we have to get the
- * global Math instead of using the local one - so we do the
- * following transformation
- *
- * var _Mathmax = Math.max;
- *
- * to
- *
- * var _Mathmax = (0, eval)("this").Math.max;
- */
-
- for (var _i2 = 0; _i2 < VALID_CALLEES.length; _i2++) {
- const builtin = VALID_CALLEES[_i2];
-
- if (target.scope.getBinding(builtin)) {
- const prev = newNode.declarations[0].init;
-
- if (!t.isMemberExpression(prev)) {
- throw new Error(`minify-builtins expected a MemberExpression. ` + `Found ${prev.type}. ` + `Please report this at ${newIssueUrl}`);
- }
-
- if (!t.isMemberExpression(prev.object)) {
- newNode.declarations[0].init = t.memberExpression(t.memberExpression(getGlobalThis(), prev.object), prev.property);
- }
- }
- }
-
- target.unshiftContainer("body", newNode);
- }
- } catch (err) {
- _didIteratorError2 = true;
- _iteratorError2 = err;
- } finally {
- try {
- if (!_iteratorNormalCompletion2 && _iterator2.return != null) {
- _iterator2.return();
- }
- } finally {
- if (_didIteratorError2) {
- throw _iteratorError2;
- }
- }
- }
- }
- } catch (err) {
- _didIteratorError = true;
- _iteratorError = err;
- } finally {
- try {
- if (!_iteratorNormalCompletion && _iterator.return != null) {
- _iterator.return();
- }
- } finally {
- if (_didIteratorError) {
- throw _iteratorError;
- }
- }
- }
- }
-
- }
-
- const builtInReplacer = new BuiltInReplacer();
- return {
- name: "minify-builtins",
- visitor: Object.assign({}, builtInReplacer.getCollectVisitor(), {
- Program: {
- exit() {
- builtInReplacer.replace();
- }
-
- }
- })
- };
-
- function memberToString(memberExprNode) {
- const object = memberExprNode.object,
- property = memberExprNode.property;
- let result = "";
- if (t.isIdentifier(object)) result += object.name;
- if (t.isMemberExpression(object)) result += memberToString(object);
- if (t.isIdentifier(property)) result += property.name;
- return result;
- }
-
- function isBuiltInComputed(memberExprNode) {
- const object = memberExprNode.object,
- computed = memberExprNode.computed;
- return computed && t.isIdentifier(object) && VALID_CALLEES.indexOf(object.name) >= 0;
- }
-
- function isBuiltin(memberExprNode) {
- const object = memberExprNode.object,
- property = memberExprNode.property;
-
- if (t.isIdentifier(object) && t.isIdentifier(property) && VALID_CALLEES.indexOf(object.name) >= 0 && INVALID_METHODS.indexOf(property.name) < 0) {
- return true;
- }
-
- return false;
- } // Creates a segmented map that contains the earliest common Ancestor
- // as the key and array of subpaths that are descendats of the LCA as value
-
-
- function getSegmentedSubPaths(paths) {
- let segments = new Map(); // Get earliest Path in tree where paths intersect
-
- paths[0].getDeepestCommonAncestorFrom(paths, (lastCommon, index, ancestries) => {
- // found the LCA
- if (!lastCommon.isProgram()) {
- let fnParent;
-
- if (lastCommon.isFunction() && t.isBlockStatement(lastCommon.node.body)) {
- segments.set(lastCommon, paths);
- return;
- } else if (!(fnParent = getFunctionParent(lastCommon)).isProgram() && t.isBlockStatement(fnParent.node.body)) {
- segments.set(fnParent, paths);
- return;
- }
- } // Deopt and construct segments otherwise
-
-
- var _iteratorNormalCompletion4 = true;
- var _didIteratorError4 = false;
- var _iteratorError4 = undefined;
-
- try {
- for (var _iterator4 = ancestries[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
- const ancestor = _step4.value;
- const fnPath = getChildFuncion(ancestor);
-
- if (fnPath === void 0) {
- continue;
- }
-
- const validDescendants = paths.filter(p => {
- return p.isDescendant(fnPath);
- });
- segments.set(fnPath, validDescendants);
- }
- } catch (err) {
- _didIteratorError4 = true;
- _iteratorError4 = err;
- } finally {
- try {
- if (!_iteratorNormalCompletion4 && _iterator4.return != null) {
- _iterator4.return();
- }
- } finally {
- if (_didIteratorError4) {
- throw _iteratorError4;
- }
- }
- }
- });
- return segments;
- }
-
- function getChildFuncion(ancestors = []) {
- var _iteratorNormalCompletion5 = true;
- var _didIteratorError5 = false;
- var _iteratorError5 = undefined;
-
- try {
- for (var _iterator5 = ancestors[Symbol.iterator](), _step5; !(_iteratorNormalCompletion5 = (_step5 = _iterator5.next()).done); _iteratorNormalCompletion5 = true) {
- const path = _step5.value;
-
- if (path.isFunction() && t.isBlockStatement(path.node.body)) {
- return path;
- }
- }
- } catch (err) {
- _didIteratorError5 = true;
- _iteratorError5 = err;
- } finally {
- try {
- if (!_iteratorNormalCompletion5 && _iterator5.return != null) {
- _iterator5.return();
- }
- } finally {
- if (_didIteratorError5) {
- throw _iteratorError5;
- }
- }
- }
- }
- /**
- * returns
- *
- * (0, eval)("this")
- */
-
-
- function getGlobalThis() {
- return t.callExpression(t.sequenceExpression([t.valueToNode(0), t.identifier("eval")]), [t.valueToNode("this")]);
- }
-};
-
-function addToMap(map, key, value) {
- if (!map.has(key)) {
- map.set(key, []);
- }
-
- map.get(key).push(value);
-}
-
-function isComputed(node) {
- return node.computed;
-}
-/**
- * Babel-7 returns null if there is no function parent
- * and uses getProgramParent to get Program
- */
-
-
-function getFunctionParent(path) {
- return (path.scope.getFunctionParent() || path.scope.getProgramParent()).path;
-} \ No newline at end of file