File size: 12,382 Bytes
bc20498
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LinesAndColumns = exports.Context = exports.ScriptsSourceCode = void 0;
const script_let_1 = require("./script-let");
const let_directive_collection_1 = require("./let-directive-collection");
const html_1 = require("../parser/html");
const utils_1 = require("../utils");
const parser_options_1 = require("../parser/parser-options");
class ScriptsSourceCode {
    constructor(script, attrs) {
        this._appendScriptLets = null;
        this.separateIndexes = [];
        this.raw = script;
        this.trimmedRaw = script.trimEnd();
        this.attrs = attrs;
        this.separateIndexes = [script.length];
    }
    getCurrentVirtualCode() {
        if (this._appendScriptLets == null) {
            return this.raw;
        }
        return (this.trimmedRaw +
            this._appendScriptLets.separate +
            this._appendScriptLets.beforeSpaces +
            this._appendScriptLets.render +
            this._appendScriptLets.snippet +
            this._appendScriptLets.generics);
    }
    getCurrentVirtualCodeInfo() {
        if (this._appendScriptLets == null) {
            return { script: this.raw, render: "", rootScope: "" };
        }
        return {
            script: this.trimmedRaw + this._appendScriptLets.separate,
            render: this._appendScriptLets.beforeSpaces + this._appendScriptLets.render,
            rootScope: this._appendScriptLets.snippet + this._appendScriptLets.generics,
        };
    }
    getCurrentVirtualCodeLength() {
        if (this._appendScriptLets == null) {
            return this.raw.length;
        }
        return (this.trimmedRaw.length +
            this._appendScriptLets.separate.length +
            this._appendScriptLets.beforeSpaces.length +
            this._appendScriptLets.render.length +
            this._appendScriptLets.snippet.length +
            this._appendScriptLets.generics.length);
    }
    addLet(letCode, kind) {
        if (this._appendScriptLets == null) {
            const currentLength = this.trimmedRaw.length;
            this.separateIndexes = [currentLength, currentLength + 1];
            const after = this.raw.slice(currentLength + 2);
            this._appendScriptLets = {
                separate: "\n;",
                beforeSpaces: after,
                render: "",
                snippet: "",
                generics: "",
            };
        }
        const start = this.getCurrentVirtualCodeLength();
        this._appendScriptLets[kind] += letCode;
        return {
            start,
            end: this.getCurrentVirtualCodeLength(),
        };
    }
    stripCode(start, end) {
        this.raw =
            this.raw.slice(0, start) +
                this.raw.slice(start, end).replace(/[^\n\r ]/g, " ") +
                this.raw.slice(end);
        this.trimmedRaw =
            this.trimmedRaw.slice(0, start) +
                this.trimmedRaw.slice(start, end).replace(/[^\n\r ]/g, " ") +
                this.trimmedRaw.slice(end);
    }
}
exports.ScriptsSourceCode = ScriptsSourceCode;
class Context {
    constructor(code, parserOptions) {
        this.tokens = [];
        this.comments = [];
        this.locsMap = new Map();
        this.letDirCollections = new let_directive_collection_1.LetDirectiveCollections();
        this.slots = new Set();
        this.elements = new Map();
        this.snippets = [];
        // ----- States ------
        this.state = {};
        this.blocks = [];
        this.code = code;
        this.parserOptions = parserOptions;
        this.locs = new LinesAndColumns(code);
        const spaces = code.replace(/[^\n\r ]/g, " ");
        let templateCode = "";
        let scriptCode = "";
        const scriptAttrs = {};
        let start = 0;
        for (const block of extractBlocks(code)) {
            if (block.tag === "template") {
                if (block.selfClosing) {
                    continue;
                }
                const lang = block.attrs.find((attr) => attr.name === "lang");
                if (!lang || !Array.isArray(lang.value)) {
                    continue;
                }
                const langValue = lang.value[0];
                if (!langValue ||
                    langValue.type !== "Text" ||
                    langValue.data === "html") {
                    continue;
                }
            }
            this.blocks.push(block);
            if (block.selfClosing) {
                // Self-closing blocks are temporarily replaced with `<s---->` or `<t---->` tag
                // because the svelte compiler cannot parse self-closing block(script, style) tags.
                // It will be restored later in `convertHTMLElement()` processing.
                templateCode += `${code.slice(start, block.startTagRange[0] + 2 /* `<` and first letter */)}${"-".repeat(block.tag.length - 1 /* skip first letter */)}${code.slice(block.startTagRange[0] + 1 /* skip `<` */ + block.tag.length, block.startTagRange[1])}`;
                scriptCode += spaces.slice(start, block.startTagRange[1]);
                start = block.startTagRange[1];
            }
            else {
                templateCode +=
                    code.slice(start, block.contentRange[0]) +
                        spaces.slice(block.contentRange[0], block.contentRange[1]);
                if (block.tag === "script") {
                    scriptCode +=
                        spaces.slice(start, block.contentRange[0]) +
                            code.slice(...block.contentRange);
                    for (const attr of block.attrs) {
                        if (Array.isArray(attr.value)) {
                            const attrValue = attr.value[0];
                            scriptAttrs[attr.name] =
                                attrValue && attrValue.type === "Text"
                                    ? attrValue.data
                                    : undefined;
                        }
                    }
                }
                else {
                    scriptCode += spaces.slice(start, block.contentRange[1]);
                }
                start = block.contentRange[1];
            }
        }
        templateCode += code.slice(start);
        scriptCode += spaces.slice(start);
        this.sourceCode = {
            template: templateCode,
            scripts: new ScriptsSourceCode(scriptCode, scriptAttrs),
        };
        this.scriptLet = new script_let_1.ScriptLetContext(this);
    }
    getLocFromIndex(index) {
        let loc = this.locsMap.get(index);
        if (!loc) {
            loc = this.locs.getLocFromIndex(index);
            this.locsMap.set(index, loc);
        }
        return {
            line: loc.line,
            column: loc.column,
        };
    }
    getIndexFromLoc(loc) {
        return this.locs.getIndexFromLoc(loc);
    }
    /**
     * Get the location information of the given node.
     * @param node The node.
     */
    getConvertLocation(node) {
        const { start, end } = node;
        return {
            range: [start, end],
            loc: {
                start: this.getLocFromIndex(start),
                end: this.getLocFromIndex(end),
            },
        };
    }
    addComment(comment) {
        this.comments.push(comment);
    }
    /**
     * Add token to tokens
     */
    addToken(type, range) {
        const token = Object.assign({ type, value: this.getText(range) }, this.getConvertLocation(range));
        this.tokens.push(token);
        return token;
    }
    /**
     * get text
     */
    getText(range) {
        return this.code.slice(range.start, range.end);
    }
    isTypeScript() {
        if (this.state.isTypeScript != null) {
            return this.state.isTypeScript;
        }
        const lang = this.sourceCode.scripts.attrs.lang;
        return (this.state.isTypeScript = (0, parser_options_1.isTypeScript)(this.parserOptions, lang));
    }
    stripScriptCode(start, end) {
        this.sourceCode.scripts.stripCode(start, end);
    }
    findBlock(element) {
        const tag = element.type === "SvelteScriptElement"
            ? "script"
            : element.type === "SvelteStyleElement"
                ? "style"
                : element.name.name.toLowerCase();
        return this.blocks.find((block) => block.tag === tag &&
            !block.selfClosing &&
            element.range[0] <= block.contentRange[0] &&
            block.contentRange[1] <= element.range[1]);
    }
    findSelfClosingBlock(element) {
        return this.blocks.find((block) => Boolean(block.selfClosing &&
            element.startTag.range[0] <= block.startTagRange[0] &&
            block.startTagRange[1] <= element.startTag.range[1]));
    }
}
exports.Context = Context;
/** Extract <script> blocks */
function* extractBlocks(code) {
    const startTagOpenRe = /<!--[\s\S]*?-->|<(script|style|template)([\s>])/giu;
    const endScriptTagRe = /<\/script>/giu;
    const endStyleTagRe = /<\/style>/giu;
    const endTemplateTagRe = /<\/template>/giu;
    let startTagOpenMatch;
    while ((startTagOpenMatch = startTagOpenRe.exec(code))) {
        const [, tag, nextChar] = startTagOpenMatch;
        if (!tag) {
            continue;
        }
        const startTagStart = startTagOpenMatch.index;
        let startTagEnd = startTagOpenRe.lastIndex;
        const lowerTag = tag.toLowerCase();
        let attrs = [];
        if (!nextChar.trim()) {
            const attrsData = (0, html_1.parseAttributes)(code, startTagOpenRe.lastIndex);
            attrs = attrsData.attributes;
            startTagEnd = attrsData.index;
            if (code[startTagEnd] === "/" && code[startTagEnd + 1] === ">") {
                yield {
                    tag: lowerTag,
                    originalTag: tag,
                    attrs,
                    selfClosing: true,
                    startTagRange: [startTagStart, startTagEnd + 2],
                };
                continue;
            }
            if (code[startTagEnd] === ">") {
                startTagEnd++;
            }
            else {
                continue;
            }
        }
        const endTagRe = lowerTag === "script"
            ? endScriptTagRe
            : lowerTag === "style"
                ? endStyleTagRe
                : endTemplateTagRe;
        endTagRe.lastIndex = startTagEnd;
        const endTagMatch = endTagRe.exec(code);
        if (endTagMatch) {
            const endTagStart = endTagMatch.index;
            const endTagEnd = endTagRe.lastIndex;
            yield {
                tag: lowerTag,
                originalTag: tag,
                attrs,
                startTagRange: [startTagStart, startTagEnd],
                contentRange: [startTagEnd, endTagStart],
                endTagRange: [endTagStart, endTagEnd],
            };
            startTagOpenRe.lastIndex = endTagEnd;
        }
    }
}
class LinesAndColumns {
    constructor(code) {
        const len = code.length;
        const lineStartIndices = [0];
        for (let index = 0; index < len; index++) {
            const c = code[index];
            if (c === "\r") {
                const next = code[index + 1] || "";
                if (next === "\n") {
                    index++;
                }
                lineStartIndices.push(index + 1);
            }
            else if (c === "\n") {
                lineStartIndices.push(index + 1);
            }
        }
        this.lineStartIndices = lineStartIndices;
    }
    getLocFromIndex(index) {
        const lineNumber = (0, utils_1.sortedLastIndex)(this.lineStartIndices, (target) => target - index);
        return {
            line: lineNumber,
            column: index - this.lineStartIndices[lineNumber - 1],
        };
    }
    getIndexFromLoc(loc) {
        const lineStartIndex = this.lineStartIndices[loc.line - 1];
        const positionIndex = lineStartIndex + loc.column;
        return positionIndex;
    }
    /**
     * Get the location information of the given indexes.
     */
    getLocations(start, end) {
        return {
            range: [start, end],
            loc: {
                start: this.getLocFromIndex(start),
                end: this.getLocFromIndex(end),
            },
        };
    }
}
exports.LinesAndColumns = LinesAndColumns;