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- // In the absence of a WeakSet or WeakMap implementation, don't break, but don't cache either.
- function noop() {
- var args = [];
- for (var _i = 0; _i < arguments.length; _i++) {
- args[_i] = arguments[_i];
- }
- }
- function createWeakMap() {
- if (typeof WeakMap !== "undefined") {
- return new WeakMap();
- }
- else {
- return fakeSetOrMap();
- }
- }
- /**
- * Creates and returns a no-op implementation of a WeakMap / WeakSet that never stores anything.
- */
- function fakeSetOrMap() {
- return {
- add: noop,
- delete: noop,
- get: noop,
- set: noop,
- has: function (k) {
- return false;
- },
- };
- }
- // Safe hasOwnProperty
- var hop = Object.prototype.hasOwnProperty;
- var has = function (obj, prop) {
- return hop.call(obj, prop);
- };
- // Copy all own enumerable properties from source to target
- function extend(target, source) {
- for (var prop in source) {
- if (has(source, prop)) {
- target[prop] = source[prop];
- }
- }
- return target;
- }
- var reLeadingNewline = /^[ \t]*(?:\r\n|\r|\n)/;
- var reTrailingNewline = /(?:\r\n|\r|\n)[ \t]*$/;
- var reStartsWithNewlineOrIsEmpty = /^(?:[\r\n]|$)/;
- var reDetectIndentation = /(?:\r\n|\r|\n)([ \t]*)(?:[^ \t\r\n]|$)/;
- var reOnlyWhitespaceWithAtLeastOneNewline = /^[ \t]*[\r\n][ \t\r\n]*$/;
- function _outdentArray(strings, firstInterpolatedValueSetsIndentationLevel, options) {
- // If first interpolated value is a reference to outdent,
- // determine indentation level from the indentation of the interpolated value.
- var indentationLevel = 0;
- var match = strings[0].match(reDetectIndentation);
- if (match) {
- indentationLevel = match[1].length;
- }
- var reSource = "(\\r\\n|\\r|\\n).{0," + indentationLevel + "}";
- var reMatchIndent = new RegExp(reSource, "g");
- if (firstInterpolatedValueSetsIndentationLevel) {
- strings = strings.slice(1);
- }
- var newline = options.newline, trimLeadingNewline = options.trimLeadingNewline, trimTrailingNewline = options.trimTrailingNewline;
- var normalizeNewlines = typeof newline === "string";
- var l = strings.length;
- var outdentedStrings = strings.map(function (v, i) {
- // Remove leading indentation from all lines
- v = v.replace(reMatchIndent, "$1");
- // Trim a leading newline from the first string
- if (i === 0 && trimLeadingNewline) {
- v = v.replace(reLeadingNewline, "");
- }
- // Trim a trailing newline from the last string
- if (i === l - 1 && trimTrailingNewline) {
- v = v.replace(reTrailingNewline, "");
- }
- // Normalize newlines
- if (normalizeNewlines) {
- v = v.replace(/\r\n|\n|\r/g, function (_) { return newline; });
- }
- return v;
- });
- return outdentedStrings;
- }
- function concatStringsAndValues(strings, values) {
- var ret = "";
- for (var i = 0, l = strings.length; i < l; i++) {
- ret += strings[i];
- if (i < l - 1) {
- ret += values[i];
- }
- }
- return ret;
- }
- function isTemplateStringsArray(v) {
- return has(v, "raw") && has(v, "length");
- }
- /**
- * It is assumed that opts will not change. If this is a problem, clone your options object and pass the clone to
- * makeInstance
- * @param options
- * @return {outdent}
- */
- function createInstance(options) {
- /** Cache of pre-processed template literal arrays */
- var arrayAutoIndentCache = createWeakMap();
- /**
- * Cache of pre-processed template literal arrays, where first interpolated value is a reference to outdent,
- * before interpolated values are injected.
- */
- var arrayFirstInterpSetsIndentCache = createWeakMap();
- function outdent(stringsOrOptions) {
- var values = [];
- for (var _i = 1; _i < arguments.length; _i++) {
- values[_i - 1] = arguments[_i];
- }
- /* tslint:enable:no-shadowed-variable */
- if (isTemplateStringsArray(stringsOrOptions)) {
- var strings = stringsOrOptions;
- // Is first interpolated value a reference to outdent, alone on its own line, without any preceding non-whitespace?
- var firstInterpolatedValueSetsIndentationLevel = (values[0] === outdent || values[0] === defaultOutdent) &&
- reOnlyWhitespaceWithAtLeastOneNewline.test(strings[0]) &&
- reStartsWithNewlineOrIsEmpty.test(strings[1]);
- // Perform outdentation
- var cache = firstInterpolatedValueSetsIndentationLevel
- ? arrayFirstInterpSetsIndentCache
- : arrayAutoIndentCache;
- var renderedArray = cache.get(strings);
- if (!renderedArray) {
- renderedArray = _outdentArray(strings, firstInterpolatedValueSetsIndentationLevel, options);
- cache.set(strings, renderedArray);
- }
- /** If no interpolated values, skip concatenation step */
- if (values.length === 0) {
- return renderedArray[0];
- }
- /** Concatenate string literals with interpolated values */
- var rendered = concatStringsAndValues(renderedArray, firstInterpolatedValueSetsIndentationLevel ? values.slice(1) : values);
- return rendered;
- }
- else {
- // Create and return a new instance of outdent with the given options
- return createInstance(extend(extend({}, options), stringsOrOptions || {}));
- }
- }
- var fullOutdent = extend(outdent, {
- string: function (str) {
- return _outdentArray([str], false, options)[0];
- },
- });
- return fullOutdent;
- }
- var defaultOutdent = createInstance({
- trimLeadingNewline: true,
- trimTrailingNewline: true,
- });
- // Named exports. Simple and preferred.
- // import outdent from 'outdent';
- export default defaultOutdent;
- // import {outdent} from 'outdent';
- export { defaultOutdent as outdent };
- if (typeof module !== "undefined") {
- // In webpack harmony-modules environments, module.exports is read-only,
- // so we fail gracefully.
- try {
- module.exports = defaultOutdent;
- Object.defineProperty(defaultOutdent, "__esModule", { value: true });
- defaultOutdent.default = defaultOutdent;
- defaultOutdent.outdent = defaultOutdent;
- }
- catch (e) { }
- }
- //# sourceMappingURL=index.js.map
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