"use strict";
/**
* @license
* Copyright 2018 Palantir Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Rule = void 0;
var tslib_1 = require("tslib");
var tsutils_1 = require("tsutils");
var ts = require("typescript");
var Lint = require("../index");
var Rule = /** @class */ (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
return this.applyWithWalker(new Walker(sourceFile, this.ruleName, parseOptions(this.ruleArguments)));
};
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "ordered-imports",
description: "Requires that import statements be alphabetized and grouped.",
descriptionDetails: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Enforce a consistent ordering for ES6 imports:\n - Named imports must be alphabetized (i.e. \"import {A, B, C} from \"foo\";\")\n - The exact ordering can be controlled by the named-imports-order option.\n - \"longName as name\" imports are ordered by \"longName\".\n - Import sources must be alphabetized within groups, i.e.:\n import * as foo from \"a\";\n import * as bar from \"b\";\n - Groups of imports are delineated by blank lines. You can use this rule to group\n imports however you like, e.g. by first- vs. third-party or thematically or\n you can define groups based upon patterns in import path names."], ["\n Enforce a consistent ordering for ES6 imports:\n - Named imports must be alphabetized (i.e. \"import {A, B, C} from \"foo\";\")\n - The exact ordering can be controlled by the named-imports-order option.\n - \"longName as name\" imports are ordered by \"longName\".\n - Import sources must be alphabetized within groups, i.e.:\n import * as foo from \"a\";\n import * as bar from \"b\";\n - Groups of imports are delineated by blank lines. You can use this rule to group\n imports however you like, e.g. by first- vs. third-party or thematically or\n you can define groups based upon patterns in import path names."]))),
hasFix: true,
optionsDescription: Lint.Utils.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n You may set the `\"import-sources-order\"` option to control the ordering of source\n imports (the `\"foo\"` in `import {A, B, C} from \"foo\"`).\n\n Possible values for `\"import-sources-order\"` are:\n\n * `\"case-insensitive'`: Correct order is `\"Bar\"`, `\"baz\"`, `\"Foo\"`. (This is the default.)\n * `\"case-insensitive-legacy'`: Correct order is `\"Bar\"`, `\"baz\"`, `\"Foo\"`.\n * `\"lowercase-first\"`: Correct order is `\"baz\"`, `\"Bar\"`, `\"Foo\"`.\n * `\"lowercase-last\"`: Correct order is `\"Bar\"`, `\"Foo\"`, `\"baz\"`.\n * `\"any\"`: Allow any order.\n\n You may set the `\"grouped-imports\"` option to control the grouping of source\n imports (the `\"foo\"` in `import {A, B, C} from \"foo\"`). The grouping used\n is controlled by the `\"groups\"` option.\n\n Possible values for `\"grouped-imports\"` are:\n\n * `false`: Do not enforce grouping. (This is the default.)\n * `true`: Group source imports using default grouping or groups setting.\n\n The value of `\"groups\"` is a list of group rules of the form:\n\n [{\n \"name\": \"optional rule name\",\n \"match\": \"regex string\",\n \"order\": 10\n }, {\n \"name\": \"pkga imports\",\n \"match\": \"^@pkga\",\n \"order\": 20\n }]\n\n there is also a simplified form where you only pass a list of patterns and\n the order is given by the position in the list\n\n [\"^@pkga\", \"^\\.\\.\"]\n\n The first rule in the list to match a given import is the group that is used.\n If no rule in matched then the import will be put in an `unmatched` group\n at the end of all groups. The groups must be ordered based upon the sequential\n value of the `order` value. (ie. order 0 is first)\n\n If no `\"groups\"` options is set, a default grouping is used of third-party,\n parent directories and the current directory. (`\"bar\"`, `\"../baz\"`, `\"./foo\"`.)\n\n You may set the `\"named-imports-order\"` option to control the ordering of named\n imports (the `{A, B, C}` in `import {A, B, C} from \"foo\"`).\n\n Possible values for `\"named-imports-order\"` are:\n\n * `\"case-insensitive'`: Correct order is `{A, b, C}`. (This is the default.)\n * `\"case-insensitive-legacy'`: Correct order is `\"Bar\"`, `\"baz\"`, `\"Foo\"`.\n * `\"lowercase-first\"`: Correct order is `{b, A, C}`.\n * `\"lowercase-last\"`: Correct order is `{A, C, b}`.\n * `\"any\"`: Allow any order.\n\n You may set the `\"module-source-path\"` option to control the ordering of imports based full path\n or just the module name\n\n Possible values for `\"module-source-path\"` are:\n\n * `\"full'`: Correct order is `\"./a/Foo\"`, `\"./b/baz\"`, `\"./c/Bar\"`. (This is the default.)\n * `\"basename\"`: Correct order is `\"./c/Bar\"`, `\"./b/baz\"`, `\"./a/Foo\"`.\n\n "], ["\n You may set the \\`\"import-sources-order\"\\` option to control the ordering of source\n imports (the \\`\"foo\"\\` in \\`import {A, B, C} from \"foo\"\\`).\n\n Possible values for \\`\"import-sources-order\"\\` are:\n\n * \\`\"case-insensitive'\\`: Correct order is \\`\"Bar\"\\`, \\`\"baz\"\\`, \\`\"Foo\"\\`. (This is the default.)\n * \\`\"case-insensitive-legacy'\\`: Correct order is \\`\"Bar\"\\`, \\`\"baz\"\\`, \\`\"Foo\"\\`.\n * \\`\"lowercase-first\"\\`: Correct order is \\`\"baz\"\\`, \\`\"Bar\"\\`, \\`\"Foo\"\\`.\n * \\`\"lowercase-last\"\\`: Correct order is \\`\"Bar\"\\`, \\`\"Foo\"\\`, \\`\"baz\"\\`.\n * \\`\"any\"\\`: Allow any order.\n\n You may set the \\`\"grouped-imports\"\\` option to control the grouping of source\n imports (the \\`\"foo\"\\` in \\`import {A, B, C} from \"foo\"\\`). The grouping used\n is controlled by the \\`\"groups\"\\` option.\n\n Possible values for \\`\"grouped-imports\"\\` are:\n\n * \\`false\\`: Do not enforce grouping. (This is the default.)\n * \\`true\\`: Group source imports using default grouping or groups setting.\n\n The value of \\`\"groups\"\\` is a list of group rules of the form:\n\n [{\n \"name\": \"optional rule name\",\n \"match\": \"regex string\",\n \"order\": 10\n }, {\n \"name\": \"pkga imports\",\n \"match\": \"^@pkga\",\n \"order\": 20\n }]\n\n there is also a simplified form where you only pass a list of patterns and\n the order is given by the position in the list\n\n [\"^@pkga\", \"^\\\\.\\\\.\"]\n\n The first rule in the list to match a given import is the group that is used.\n If no rule in matched then the import will be put in an \\`unmatched\\` group\n at the end of all groups. The groups must be ordered based upon the sequential\n value of the \\`order\\` value. (ie. order 0 is first)\n\n If no \\`\"groups\"\\` options is set, a default grouping is used of third-party,\n parent directories and the current directory. (\\`\"bar\"\\`, \\`\"../baz\"\\`, \\`\"./foo\"\\`.)\n\n You may set the \\`\"named-imports-order\"\\` option to control the ordering of named\n imports (the \\`{A, B, C}\\` in \\`import {A, B, C} from \"foo\"\\`).\n\n Possible values for \\`\"named-imports-order\"\\` are:\n\n * \\`\"case-insensitive'\\`: Correct order is \\`{A, b, C}\\`. (This is the default.)\n * \\`\"case-insensitive-legacy'\\`: Correct order is \\`\"Bar\"\\`, \\`\"baz\"\\`, \\`\"Foo\"\\`.\n * \\`\"lowercase-first\"\\`: Correct order is \\`{b, A, C}\\`.\n * \\`\"lowercase-last\"\\`: Correct order is \\`{A, C, b}\\`.\n * \\`\"any\"\\`: Allow any order.\n\n You may set the \\`\"module-source-path\"\\` option to control the ordering of imports based full path\n or just the module name\n\n Possible values for \\`\"module-source-path\"\\` are:\n\n * \\`\"full'\\`: Correct order is \\`\"./a/Foo\"\\`, \\`\"./b/baz\"\\`, \\`\"./c/Bar\"\\`. (This is the default.)\n * \\`\"basename\"\\`: Correct order is \\`\"./c/Bar\"\\`, \\`\"./b/baz\"\\`, \\`\"./a/Foo\"\\`.\n\n "]))),
options: {
type: "object",
properties: {
"grouped-imports": {
type: "boolean",
},
groups: {
type: "list",
listType: {
oneOf: [
{
type: "string",
},
{
type: "object",
properties: {
name: { type: "string" },
match: { type: "string" },
order: { type: "number" },
},
required: ["match", "order"],
},
],
},
},
"import-sources-order": {
type: "string",
enum: [
"case-insensitive",
"case-insensitive-legacy",
"lowercase-first",
"lowercase-last",
"any",
],
},
"named-imports-order": {
type: "string",
enum: [
"case-insensitive",
"case-insensitive-legacy",
"lowercase-first",
"lowercase-last",
"any",
],
},
"module-source-path": {
type: "string",
enum: ["full", "basename"],
},
},
additionalProperties: false,
},
optionExamples: [
true,
[
true,
{
"import-sources-order": "lowercase-last",
"named-imports-order": "lowercase-first",
},
],
],
type: "style",
typescriptOnly: false,
};
/* tslint:enable:object-literal-sort-keys */
Rule.IMPORT_SOURCES_NOT_GROUPED_PREFIX = "Imports from this module are not allowed in this group. The expected groups (in order) are:";
Rule.IMPORT_SOURCES_UNORDERED = "Import sources within a group must be alphabetized.";
Rule.NAMED_IMPORTS_UNORDERED = "Named imports must be alphabetized.";
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var TRANSFORMS = new Map([
["any", function () { return ""; }],
["case-insensitive", function (x) { return x.toUpperCase(); }],
["case-insensitive-legacy", function (x) { return x.toLowerCase(); }],
["lowercase-first", flipCase],
["lowercase-last", function (x) { return x; }],
["full", function (x) { return x; }],
[
"basename",
function (x) {
if (!ts.isExternalModuleNameRelative(x)) {
return x;
}
var splitIndex = x.lastIndexOf("/");
if (splitIndex === -1) {
return x;
}
return x.substr(splitIndex + 1);
},
],
]);
function parseOptions(ruleArguments) {
var optionSet = ruleArguments[0];
// Use default groups to order by third-party, parent, local
var defaultGroups = [
{ name: "parent directories", match: "^\\.\\.", order: 20 },
{ name: "current directory", match: "^\\.", order: 30 },
{ name: "libraries", match: ".*", order: 10 },
];
var _a = optionSet === undefined ? {} : optionSet, _b = _a["grouped-imports"], isGrouped = _b === void 0 ? false : _b, _c = _a["import-sources-order"], sources = _c === void 0 ? "case-insensitive" : _c, _d = _a["named-imports-order"], named = _d === void 0 ? "case-insensitive" : _d, _e = _a["module-source-path"], path = _e === void 0 ? "full" : _e, _f = _a.groups, groups = _f === void 0 ? defaultGroups : _f;
// build up list of compiled groups
// - handle case where "group" is just a string pattern
// vs a full group object
var compiledGroups = groups.map(function (g, idx) {
if (typeof g === "string") {
return { name: "/" + g + "/", match: new RegExp(g), order: idx };
}
else {
return {
match: new RegExp(g.match),
name: g.name !== undefined ? g.name : "/" + g.match + "/",
order: g.order,
};
}
});
return {
groupedImports: isGrouped,
groups: compiledGroups,
importSourcesOrderTransform: TRANSFORMS.get(sources),
moduleSourceTransform: TRANSFORMS.get(path),
namedImportsOrderTransform: TRANSFORMS.get(named),
};
}
var Walker = /** @class */ (function (_super) {
tslib_1.__extends(Walker, _super);
function Walker() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.importsBlocks = [new ImportsBlock()];
// group to use when no other group matches
_this.defaultGroup = {
match: /.*/,
name: "unmatched",
order: Number.MAX_SAFE_INTEGER,
};
return _this;
}
Object.defineProperty(Walker.prototype, "currentImportsBlock", {
get: function () {
return this.importsBlocks[this.importsBlocks.length - 1];
},
enumerable: false,
configurable: true
});
Walker.prototype.walk = function (sourceFile) {
// Walk through all statements checking import statements
// and building up ImportsBlocks along the way (with replacements)
for (var _i = 0, _a = sourceFile.statements; _i < _a.length; _i++) {
var statement = _a[_i];
this.checkStatement(statement);
}
this.endBlock();
// Optionally check the ImportsBlocks for grouping
if (this.options.groupedImports) {
this.checkBlocksGrouping();
}
};
Walker.prototype.checkStatement = function (statement) {
if (!(tsutils_1.isImportDeclaration(statement) || tsutils_1.isImportEqualsDeclaration(statement)) ||
/\r?\n\r?\n/.test(this.sourceFile.text.slice(statement.getFullStart(), statement.getStart(this.sourceFile)))) {
this.endBlock();
}
if (tsutils_1.isImportDeclaration(statement)) {
this.checkImportDeclaration(statement);
}
else if (tsutils_1.isImportEqualsDeclaration(statement)) {
this.checkImportEqualsDeclaration(statement);
}
else if (tsutils_1.isModuleDeclaration(statement)) {
var body = moduleDeclarationBody(statement);
if (body !== undefined) {
for (var _i = 0, _a = body.statements; _i < _a.length; _i++) {
var subStatement = _a[_i];
this.checkStatement(subStatement);
}
this.endBlock();
}
}
};
Walker.prototype.checkImportDeclaration = function (node) {
// ex: import {name1, name2 } from 'import/path';
if (!tsutils_1.isStringLiteral(node.moduleSpecifier)) {
// Ignore grammar error
return;
}
var importPath = removeQuotes(node.moduleSpecifier.text);
this.checkImport(importPath, node);
// check the names in the import are ordered correctly
var importClause = node.importClause;
if (importClause !== undefined &&
importClause.namedBindings !== undefined &&
tsutils_1.isNamedImports(importClause.namedBindings)) {
this.checkNamedImports(importClause.namedBindings);
}
};
Walker.prototype.checkImportEqualsDeclaration = function (node) {
// only allowed `import x = require('y');`
var moduleReference = node.moduleReference;
if (!tsutils_1.isExternalModuleReference(moduleReference)) {
return;
}
var expression = moduleReference.expression;
if (expression === undefined || !tsutils_1.isStringLiteral(expression)) {
return;
}
var importPath = removeQuotes(expression.text);
this.checkImport(importPath, node);
};
/**
* Check the given import to see if we have valid import ordering.
*/
Walker.prototype.checkImport = function (fullImportPath, node) {
// from this point forward we use the transformed import paths
// - group lookup is based upon the full import path with no transform
var matchingGroup = this.getMatchingGroup(fullImportPath);
// determine the module name to use for sorting after the required transforms
var importPath = this.options.importSourcesOrderTransform(this.options.moduleSourceTransform(fullImportPath));
var prevImportPath = this.currentImportsBlock.getLastImportSource();
this.currentImportsBlock.addImportDeclaration(this.sourceFile, node, importPath, matchingGroup);
if (prevImportPath !== null && compare(importPath, prevImportPath) === -1) {
this.lastFix = [];
this.addFailureAtNode(node, Rule.IMPORT_SOURCES_UNORDERED, this.lastFix);
}
};
Walker.prototype.endBlock = function () {
if (this.lastFix !== undefined) {
var replacement = this.currentImportsBlock.getReplacement();
if (replacement !== undefined) {
this.lastFix.push(replacement);
}
this.lastFix = undefined;
}
this.importsBlocks.push(new ImportsBlock());
};
/**
* Check that names within the given import are ordered correctly as required.
* If not, adds a failure and updates import blocks with correct order
* for replacement.
*/
Walker.prototype.checkNamedImports = function (node) {
var _this = this;
var imports = node.elements;
var pair = findUnsortedPair(imports, this.options.namedImportsOrderTransform);
if (pair !== undefined) {
var a = pair[0], b = pair[1];
var sortedDeclarations = sortByKey(imports, function (x) {
return _this.options.namedImportsOrderTransform(x.getText());
}).map(function (x) { return x.getText(); });
// replace in reverse order to preserve earlier offsets
for (var i = imports.length - 1; i >= 0; i--) {
var start = imports[i].getStart();
var length = imports[i].getText().length;
// replace the named imports one at a time to preserve whitespace
this.currentImportsBlock.replaceNamedImports(start, length, sortedDeclarations[i]);
}
this.lastFix = [];
this.addFailure(a.getStart(), b.getEnd(), Rule.NAMED_IMPORTS_UNORDERED, this.lastFix);
}
};
/**
* Check all import blocks stopping at the first failure.
*/
Walker.prototype.checkBlocksGrouping = function () {
var _this = this;
var prevBlockOrder = Number.MIN_SAFE_INTEGER;
var addFailingImportDecl = function (decl) {
var groupsMsg = tslib_1.__spreadArrays(_this.options.groups).sort(function (a, b) { return a.order - b.order; })
.map(function (g) { return g.name; })
.join(", ");
var msg = Rule.IMPORT_SOURCES_NOT_GROUPED_PREFIX + " " + groupsMsg + ".";
_this.addFailureAtNode(decl.node, msg, _this.getGroupOrderReplacements());
};
var blocksWithContent = this.importsBlocks.filter(function (b) { return b.getImportDeclarations().length > 0; });
// Check if each block is out of order
for (var _i = 0, blocksWithContent_1 = blocksWithContent; _i < blocksWithContent_1.length; _i++) {
var block = blocksWithContent_1[_i];
var importDeclarations = block.getImportDeclarations();
var blockOrder = importDeclarations[0].group.order;
// check if group is out of order
if (blockOrder <= prevBlockOrder) {
addFailingImportDecl(importDeclarations[0]);
return;
}
// check if all declarations have the same order value
// and mark the first one that is out of order
for (var _a = 0, importDeclarations_1 = importDeclarations; _a < importDeclarations_1.length; _a++) {
var decl = importDeclarations_1[_a];
if (decl.group.order !== blockOrder) {
addFailingImportDecl(decl);
return;
}
}
prevBlockOrder = blockOrder;
}
};
/**
* Return the first import group pattern matching the given import path.
*/
Walker.prototype.getMatchingGroup = function (importPath) {
// find the first matching group.
for (var _i = 0, _a = this.options.groups; _i < _a.length; _i++) {
var group = _a[_i];
if (group.match.test(importPath)) {
return group;
}
}
return this.defaultGroup;
};
/**
* Build up replaces to remove all imports and replace with grouped and sorted imports.
*/
Walker.prototype.getGroupOrderReplacements = function () {
var _a;
// Get all import declarations for all ImportBlocks groups that are not empty
var groupedDeclarations = this.importsBlocks
.map(function (block) { return block.getImportDeclarations(); })
.filter(function (imports) { return imports.length > 0; });
var replacements = this.getGroupRemovalReplacements(groupedDeclarations);
var allImportDeclarations = (_a = []).concat.apply(_a, groupedDeclarations);
var startOffset = allImportDeclarations.length === 0 ? 0 : allImportDeclarations[0].nodeStartOffset;
replacements.push(Lint.Replacement.appendText(startOffset, this.getGroupedImports(allImportDeclarations)));
return replacements;
};
/**
* Get set of replacements that delete all existing imports.
*/
Walker.prototype.getGroupRemovalReplacements = function (groupedDeclarations) {
var _this = this;
return groupedDeclarations.map(function (items, index) {
var start = items[0].nodeStartOffset;
if (index > 0) {
var prevItems = groupedDeclarations[index - 1];
var last = prevItems[prevItems.length - 1];
var textFragment = _this.sourceFile.text.slice(last.nodeEndOffset, start);
if (!/\S/.test(textFragment)) {
// remove whitespace between blocks
start = last.nodeEndOffset;
}
}
return Lint.Replacement.deleteFromTo(start, items[items.length - 1].nodeEndOffset);
});
};
/**
* Get text of new set of grouped and sorted imports as text.
*/
Walker.prototype.getGroupedImports = function (importDeclarations) {
// list of all unique order values in sorted order
var orderValues = importDeclarations
.map(function (decl) { return decl.group.order; })
.filter(function (v, i, a) { return a.indexOf(v) === i; })
.sort(function (a, b) { return a - b; });
return orderValues
.map(function (curOrder) {
var imports = importDeclarations.filter(function (i) { return i.group.order === curOrder; });
return getSortedImportDeclarationsAsText(imports);
})
.filter(function (text) { return text.length > 0; })
.join(this.getEolChar());
};
/**
* Return the type of newline that should be used in the codebase.
*/
Walker.prototype.getEolChar = function () {
var lineEnd = this.sourceFile.getLineEndOfPosition(0);
var newLine;
if (lineEnd > 0) {
if (lineEnd > 1 && this.sourceFile.text[lineEnd - 1] === "\r") {
newLine = "\r\n";
}
else if (this.sourceFile.text[lineEnd] === "\n") {
newLine = "\n";
}
}
return newLine === undefined ? ts.sys.newLine : newLine;
};
return Walker;
}(Lint.AbstractWalker));
/**
* Wrapper around a set of imports grouped together in a sequence (block)
* in the source code.
*/
var ImportsBlock = /** @class */ (function () {
function ImportsBlock() {
this.importDeclarations = [];
}
/**
* Add a new import declaration to the block
*/
ImportsBlock.prototype.addImportDeclaration = function (sourceFile, node, importPath, group) {
var start = this.getStartOffset(node);
var end = this.getEndOffset(sourceFile, node);
var text = sourceFile.text.substring(start, end);
if (start > node.getStart() || end === 0) {
// skip block if any statements don't end with a newline to simplify implementation
this.importDeclarations = [];
return;
}
this.importDeclarations.push({
group: group,
importPath: importPath,
node: node,
nodeEndOffset: end,
nodeStartOffset: start,
text: text,
});
};
ImportsBlock.prototype.getImportDeclarations = function () {
return this.importDeclarations;
};
/**
* Replaces the named imports on the most recent import declaration.
* Updates the imports in place so the getReplacement method below can
* return full fixes for the entire import block.
*/
ImportsBlock.prototype.replaceNamedImports = function (fileOffset, length, replacement) {
var importDeclaration = this.getLastImportDeclaration();
if (importDeclaration === undefined) {
// nothing to replace. This can happen if the block is skipped
return;
}
var start = fileOffset - importDeclaration.nodeStartOffset;
if (start < 0 || start + length > importDeclaration.node.getEnd()) {
throw new Error("Unexpected named import position");
}
var initialText = importDeclaration.text;
importDeclaration.text =
initialText.substring(0, start) + replacement + initialText.substring(start + length);
};
/**
* Return the source path of the most recently added import.
*/
ImportsBlock.prototype.getLastImportSource = function () {
if (this.importDeclarations.length === 0) {
return null;
}
return this.getLastImportDeclaration().importPath;
};
/**
* Return a Lint.Replacement object with ordering fixes for the entire block.
*/
ImportsBlock.prototype.getReplacement = function () {
if (this.importDeclarations.length === 0) {
return undefined;
}
var fixedText = getSortedImportDeclarationsAsText(this.importDeclarations);
var start = this.importDeclarations[0].nodeStartOffset;
var end = this.getLastImportDeclaration().nodeEndOffset;
return new Lint.Replacement(start, end - start, fixedText);
};
// gets the offset immediately after the end of the previous declaration to include comment above
ImportsBlock.prototype.getStartOffset = function (node) {
if (this.importDeclarations.length === 0) {
return node.getStart();
}
return this.getLastImportDeclaration().nodeEndOffset;
};
// gets the offset of the end of the import's line, including newline, to include comment to the right
ImportsBlock.prototype.getEndOffset = function (sourceFile, node) {
return sourceFile.text.indexOf("\n", node.end) + 1;
};
ImportsBlock.prototype.getLastImportDeclaration = function () {
return this.importDeclarations[this.importDeclarations.length - 1];
};
return ImportsBlock;
}());
// Convert aBcD --> AbCd
function flipCase(str) {
return Array.from(str)
.map(function (char) {
if (char >= "a" && char <= "z") {
return char.toUpperCase();
}
else if (char >= "A" && char <= "Z") {
return char.toLowerCase();
}
return char;
})
.join("");
}
// After applying a transformation, are the nodes sorted according to the text they contain?
// If not, return the pair of nodes which are out of order.
function findUnsortedPair(xs, transform) {
for (var i = 1; i < xs.length; i++) {
if (transform(xs[i].getText()) < transform(xs[i - 1].getText())) {
return [xs[i - 1], xs[i]];
}
}
return undefined;
}
function compare(a, b) {
function isLow(value) {
return value[0] === "." || value[0] === "/";
}
if (isLow(a) && !isLow(b)) {
return 1;
}
else if (!isLow(a) && isLow(b)) {
return -1;
}
else if (a > b) {
return 1;
}
else if (a < b) {
return -1;
}
return 0;
}
function removeQuotes(value) {
// strip out quotes
if (value.length > 1 && (value[0] === "'" || value[0] === '"')) {
value = value.substr(1, value.length - 2);
}
return value;
}
function getSortedImportDeclarationsAsText(importDeclarations) {
var sortedDeclarations = sortByKey(importDeclarations.slice(), function (x) { return x.importPath; });
return sortedDeclarations.map(function (x) { return x.text; }).join("");
}
function sortByKey(xs, getSortKey) {
return xs.slice().sort(function (a, b) { return compare(getSortKey(a), getSortKey(b)); });
}
function moduleDeclarationBody(node) {
var body = node.body;
while (body !== undefined && body.kind === ts.SyntaxKind.ModuleDeclaration) {
body = body.body;
}
return body !== undefined && body.kind === ts.SyntaxKind.ModuleBlock ? body : undefined;
}
var templateObject_1, templateObject_2;