161 lines
7.1 KiB
JavaScript
161 lines
7.1 KiB
JavaScript
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports", "../htmlLanguageTypes", "../beautify/beautify-html", "../utils/strings"], factory);
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}
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})(function (require, exports) {
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.format = void 0;
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const htmlLanguageTypes_1 = require("../htmlLanguageTypes");
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const beautify_html_1 = require("../beautify/beautify-html");
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const strings_1 = require("../utils/strings");
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function format(document, range, options) {
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let value = document.getText();
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let includesEnd = true;
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let initialIndentLevel = 0;
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const tabSize = options.tabSize || 4;
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if (range) {
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let startOffset = document.offsetAt(range.start);
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// include all leading whitespace iff at the beginning of the line
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let extendedStart = startOffset;
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while (extendedStart > 0 && isWhitespace(value, extendedStart - 1)) {
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extendedStart--;
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}
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if (extendedStart === 0 || isEOL(value, extendedStart - 1)) {
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startOffset = extendedStart;
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}
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else {
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// else keep at least one whitespace
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if (extendedStart < startOffset) {
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startOffset = extendedStart + 1;
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}
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}
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// include all following whitespace until the end of the line
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let endOffset = document.offsetAt(range.end);
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let extendedEnd = endOffset;
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while (extendedEnd < value.length && isWhitespace(value, extendedEnd)) {
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extendedEnd++;
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}
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if (extendedEnd === value.length || isEOL(value, extendedEnd)) {
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endOffset = extendedEnd;
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}
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range = htmlLanguageTypes_1.Range.create(document.positionAt(startOffset), document.positionAt(endOffset));
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// Do not modify if substring starts in inside an element
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// Ending inside an element is fine as it doesn't cause formatting errors
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const firstHalf = value.substring(0, startOffset);
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if (new RegExp(/.*[<][^>]*$/).test(firstHalf)) {
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//return without modification
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value = value.substring(startOffset, endOffset);
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return [{
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range: range,
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newText: value
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}];
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}
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includesEnd = endOffset === value.length;
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value = value.substring(startOffset, endOffset);
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if (startOffset !== 0) {
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const startOfLineOffset = document.offsetAt(htmlLanguageTypes_1.Position.create(range.start.line, 0));
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initialIndentLevel = computeIndentLevel(document.getText(), startOfLineOffset, options);
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}
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}
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else {
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range = htmlLanguageTypes_1.Range.create(htmlLanguageTypes_1.Position.create(0, 0), document.positionAt(value.length));
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}
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const htmlOptions = {
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indent_size: tabSize,
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indent_char: options.insertSpaces ? ' ' : '\t',
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indent_empty_lines: getFormatOption(options, 'indentEmptyLines', false),
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wrap_line_length: getFormatOption(options, 'wrapLineLength', 120),
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unformatted: getTagsFormatOption(options, 'unformatted', void 0),
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content_unformatted: getTagsFormatOption(options, 'contentUnformatted', void 0),
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indent_inner_html: getFormatOption(options, 'indentInnerHtml', false),
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preserve_newlines: getFormatOption(options, 'preserveNewLines', true),
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max_preserve_newlines: getFormatOption(options, 'maxPreserveNewLines', 32786),
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indent_handlebars: getFormatOption(options, 'indentHandlebars', false),
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end_with_newline: includesEnd && getFormatOption(options, 'endWithNewline', false),
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extra_liners: getTagsFormatOption(options, 'extraLiners', void 0),
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wrap_attributes: getFormatOption(options, 'wrapAttributes', 'auto'),
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wrap_attributes_indent_size: getFormatOption(options, 'wrapAttributesIndentSize', void 0),
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eol: '\n',
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indent_scripts: getFormatOption(options, 'indentScripts', 'normal'),
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templating: getTemplatingFormatOption(options, 'all'),
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unformatted_content_delimiter: getFormatOption(options, 'unformattedContentDelimiter', ''),
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};
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let result = (0, beautify_html_1.html_beautify)(trimLeft(value), htmlOptions);
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if (initialIndentLevel > 0) {
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const indent = options.insertSpaces ? (0, strings_1.repeat)(' ', tabSize * initialIndentLevel) : (0, strings_1.repeat)('\t', initialIndentLevel);
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result = result.split('\n').join('\n' + indent);
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if (range.start.character === 0) {
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result = indent + result; // keep the indent
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}
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}
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return [{
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range: range,
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newText: result
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}];
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}
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exports.format = format;
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function trimLeft(str) {
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return str.replace(/^\s+/, '');
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}
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function getFormatOption(options, key, dflt) {
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if (options && options.hasOwnProperty(key)) {
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const value = options[key];
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if (value !== null) {
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return value;
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}
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}
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return dflt;
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}
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function getTagsFormatOption(options, key, dflt) {
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const list = getFormatOption(options, key, null);
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if (typeof list === 'string') {
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if (list.length > 0) {
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return list.split(',').map(t => t.trim().toLowerCase());
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}
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return [];
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}
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return dflt;
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}
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function getTemplatingFormatOption(options, dflt) {
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const value = getFormatOption(options, 'templating', dflt);
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if (value === true) {
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return ['auto'];
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}
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return ['none'];
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}
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function computeIndentLevel(content, offset, options) {
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let i = offset;
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let nChars = 0;
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const tabSize = options.tabSize || 4;
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while (i < content.length) {
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const ch = content.charAt(i);
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if (ch === ' ') {
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nChars++;
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}
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else if (ch === '\t') {
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nChars += tabSize;
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}
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else {
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break;
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}
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i++;
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}
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return Math.floor(nChars / tabSize);
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}
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function isEOL(text, offset) {
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return '\r\n'.indexOf(text.charAt(offset)) !== -1;
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}
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function isWhitespace(text, offset) {
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return ' \t'.indexOf(text.charAt(offset)) !== -1;
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}
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});
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