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Diffstat (limited to 'node_modules/@babel/plugin-transform-for-of/lib/no-helper-implementation.js')
-rw-r--r--node_modules/@babel/plugin-transform-for-of/lib/no-helper-implementation.js153
1 files changed, 0 insertions, 153 deletions
diff --git a/node_modules/@babel/plugin-transform-for-of/lib/no-helper-implementation.js b/node_modules/@babel/plugin-transform-for-of/lib/no-helper-implementation.js
deleted file mode 100644
index ca667085..00000000
--- a/node_modules/@babel/plugin-transform-for-of/lib/no-helper-implementation.js
+++ /dev/null
@@ -1,153 +0,0 @@
-"use strict";
-
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.default = transformWithoutHelper;
-var _core = require("@babel/core");
-function transformWithoutHelper(loose, path, state) {
- const pushComputedProps = loose ? pushComputedPropsLoose : pushComputedPropsSpec;
- const {
- node
- } = path;
- const build = pushComputedProps(path, state);
- const declar = build.declar;
- const loop = build.loop;
- const block = loop.body;
- path.ensureBlock();
- if (declar) {
- block.body.push(declar);
- }
- block.body.push(...node.body.body);
- _core.types.inherits(loop, node);
- _core.types.inherits(loop.body, node.body);
- if (build.replaceParent) {
- path.parentPath.replaceWithMultiple(build.node);
- path.remove();
- } else {
- path.replaceWithMultiple(build.node);
- }
-}
-const buildForOfLoose = _core.template.statement(`
- for (var LOOP_OBJECT = OBJECT,
- IS_ARRAY = Array.isArray(LOOP_OBJECT),
- INDEX = 0,
- LOOP_OBJECT = IS_ARRAY ? LOOP_OBJECT : LOOP_OBJECT[Symbol.iterator]();;) {
- INTERMEDIATE;
- if (IS_ARRAY) {
- if (INDEX >= LOOP_OBJECT.length) break;
- ID = LOOP_OBJECT[INDEX++];
- } else {
- INDEX = LOOP_OBJECT.next();
- if (INDEX.done) break;
- ID = INDEX.value;
- }
- }
-`);
-const buildForOf = _core.template.statements(`
- var ITERATOR_COMPLETION = true;
- var ITERATOR_HAD_ERROR_KEY = false;
- var ITERATOR_ERROR_KEY = undefined;
- try {
- for (
- var ITERATOR_KEY = OBJECT[Symbol.iterator](), STEP_KEY;
- !(ITERATOR_COMPLETION = (STEP_KEY = ITERATOR_KEY.next()).done);
- ITERATOR_COMPLETION = true
- ) {}
- } catch (err) {
- ITERATOR_HAD_ERROR_KEY = true;
- ITERATOR_ERROR_KEY = err;
- } finally {
- try {
- if (!ITERATOR_COMPLETION && ITERATOR_KEY.return != null) {
- ITERATOR_KEY.return();
- }
- } finally {
- if (ITERATOR_HAD_ERROR_KEY) {
- throw ITERATOR_ERROR_KEY;
- }
- }
- }
-`);
-function pushComputedPropsLoose(path, state) {
- const {
- node,
- scope,
- parent
- } = path;
- const {
- left
- } = node;
- let declar, id, intermediate;
- if (_core.types.isIdentifier(left) || _core.types.isPattern(left) || _core.types.isMemberExpression(left)) {
- id = left;
- intermediate = null;
- } else if (_core.types.isVariableDeclaration(left)) {
- id = scope.generateUidIdentifier("ref");
- declar = _core.types.variableDeclaration(left.kind, [_core.types.variableDeclarator(left.declarations[0].id, _core.types.identifier(id.name))]);
- intermediate = _core.types.variableDeclaration("var", [_core.types.variableDeclarator(_core.types.identifier(id.name))]);
- } else {
- throw state.buildCodeFrameError(left, `Unknown node type ${left.type} in ForStatement`);
- }
- const iteratorKey = scope.generateUidIdentifier("iterator");
- const isArrayKey = scope.generateUidIdentifier("isArray");
- const loop = buildForOfLoose({
- LOOP_OBJECT: iteratorKey,
- IS_ARRAY: isArrayKey,
- OBJECT: node.right,
- INDEX: scope.generateUidIdentifier("i"),
- ID: id,
- INTERMEDIATE: intermediate
- });
- const isLabeledParent = _core.types.isLabeledStatement(parent);
- let labeled;
- if (isLabeledParent) {
- labeled = _core.types.labeledStatement(parent.label, loop);
- }
- return {
- replaceParent: isLabeledParent,
- declar: declar,
- node: labeled || loop,
- loop: loop
- };
-}
-function pushComputedPropsSpec(path, state) {
- const {
- node,
- scope,
- parent
- } = path;
- const left = node.left;
- let declar;
- const stepKey = scope.generateUid("step");
- const stepValue = _core.types.memberExpression(_core.types.identifier(stepKey), _core.types.identifier("value"));
- if (_core.types.isIdentifier(left) || _core.types.isPattern(left) || _core.types.isMemberExpression(left)) {
- declar = _core.types.expressionStatement(_core.types.assignmentExpression("=", left, stepValue));
- } else if (_core.types.isVariableDeclaration(left)) {
- declar = _core.types.variableDeclaration(left.kind, [_core.types.variableDeclarator(left.declarations[0].id, stepValue)]);
- } else {
- throw state.buildCodeFrameError(left, `Unknown node type ${left.type} in ForStatement`);
- }
- const template = buildForOf({
- ITERATOR_HAD_ERROR_KEY: scope.generateUidIdentifier("didIteratorError"),
- ITERATOR_COMPLETION: scope.generateUidIdentifier("iteratorNormalCompletion"),
- ITERATOR_ERROR_KEY: scope.generateUidIdentifier("iteratorError"),
- ITERATOR_KEY: scope.generateUidIdentifier("iterator"),
- STEP_KEY: _core.types.identifier(stepKey),
- OBJECT: node.right
- });
- const isLabeledParent = _core.types.isLabeledStatement(parent);
- const tryBody = template[3].block.body;
- const loop = tryBody[0];
- if (isLabeledParent) {
- tryBody[0] = _core.types.labeledStatement(parent.label, loop);
- }
- return {
- replaceParent: isLabeledParent,
- declar: declar,
- loop: loop,
- node: template
- };
-}
-
-//# sourceMappingURL=no-helper-implementation.js.map