setup-python/node_modules/ts-jest/dist/transformers/hoist-jest.js

81 lines
3.0 KiB
JavaScript

"use strict";
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spread = (this && this.__spread) || function () {
for (var ar = [], i = 0; i < arguments.length; i++) ar = ar.concat(__read(arguments[i]));
return ar;
};
Object.defineProperty(exports, "__esModule", { value: true });
var bs_logger_1 = require("bs-logger");
var HOIST_METHODS = ['mock', 'unmock'];
exports.name = 'hoisting-jest-mock';
exports.version = 1;
function factory(cs) {
var logger = cs.logger.child({ namespace: 'ts-hoisting' });
var ts = cs.compilerModule;
function shouldHoistNode(node) {
return (ts.isExpressionStatement(node) &&
ts.isCallExpression(node.expression) &&
ts.isPropertyAccessExpression(node.expression.expression) &&
ts.isIdentifier(node.expression.expression.expression) &&
node.expression.expression.expression.text === 'jest' &&
ts.isIdentifier(node.expression.expression.name) &&
HOIST_METHODS.includes(node.expression.expression.name.text));
}
function createVisitor(ctx, _) {
var level = 0;
var hoisted = [];
var enter = function () {
level++;
if (hoisted[level]) {
hoisted[level].splice(0, hoisted[level].length);
}
};
var exit = function () { return level--; };
var hoist = function (node) {
if (hoisted[level]) {
hoisted[level].push(node);
}
else {
hoisted[level] = [node];
}
};
var visitor = function (node) {
enter();
var resultNode = ts.visitEachChild(node, visitor, ctx);
if (hoisted[level] && hoisted[level].length) {
var hoistedStmts_1 = hoisted[level];
var otherStmts = resultNode.statements.filter(function (s) { return !hoistedStmts_1.includes(s); });
var newNode = ts.getMutableClone(resultNode);
newNode.statements = ts.createNodeArray(__spread(hoistedStmts_1, otherStmts));
resultNode = newNode;
}
exit();
if (shouldHoistNode(resultNode)) {
hoist(resultNode);
}
return resultNode;
};
return visitor;
}
return function (ctx) {
var _a;
return logger.wrap((_a = {}, _a[bs_logger_1.LogContexts.logLevel] = bs_logger_1.LogLevels.debug, _a.call = null, _a), 'visitSourceFileNode(): hoisting', function (sf) { return ts.visitNode(sf, createVisitor(ctx, sf)); });
};
}
exports.factory = factory;