@knodes/typedoc-pluginutils
Version:
A set of utilities for TypeDoc plugins
87 lines • 3.85 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.SourceMapLayer = void 0;
const utils_1 = require("../../utils");
class SourceMapLayer {
get resultingText() {
return this._resultingText;
}
constructor(label, originalText, _parentLayer) {
this.label = label;
this.originalText = originalText;
this._parentLayer = _parentLayer;
this.editions = [];
this._resultingText = this.originalText;
}
/**
* Add a new edition to this layer.
*
* @param from - The position where the edit starts.
* @param source - The original content.
* @param replacement - The replacement content.
*/
addEdition(from, source, replacement) {
const edition = { from, replacement, source };
const deltaPos = this._remapSelfEditPos(from).delta;
this.editions.push(edition);
this._resultingText = this._resultingText.slice(0, from + deltaPos) + replacement + this._resultingText.slice(from + source.length + deltaPos);
}
/**
* Return a string describing the position of the given index in the source file.
*
* @param sourceFile - The source file name.
* @param index - The char index.
* @returns a string like `"hello.ts:42:84" (in expansion of @tag1 ⇒ @tag2)"
*/
sourceHint(sourceFile, index) {
if (!sourceFile) {
return 'UNKNOWN SOURCE';
}
const { line, column, layers: expansions } = this._getSourceMap(index, false);
const posStr = line && column ? `:${line}:${column}` : '';
const expansionContext = ` (in expansion of ${expansions.map(e => e.label).join(' ⇒ ')})`;
return `"${sourceFile}${posStr}"${expansionContext}`;
}
/**
* Map the given {@link pos} in the 1st layer's content.
*
* @param pos - The character index.
* @param mapSelf - A flag indicating if this layer's editions should be mapped.
* @returns the source map.
*/
_getSourceMap(pos, mapSelf = true) {
var _a, _b;
const { offsetedPos, isExpansionApplied } = mapSelf ? this._remapSelfEditPos(pos) : { offsetedPos: pos, isExpansionApplied: true };
const editionContext = (_b = (_a = this._parentLayer) === null || _a === void 0 ? void 0 : _a._getSourceMap(offsetedPos)) !== null && _b !== void 0 ? _b : Object.assign(Object.assign({}, utils_1.textUtils.getCoordinates(this.originalText, offsetedPos)), { pos: offsetedPos, layers: [] });
if (isExpansionApplied) {
editionContext.layers = [...editionContext.layers, this];
}
return editionContext;
}
/**
* Remap the given position in this layer's editions.
*
* @param pos - The character position.
* @returns the mapped position.
*/
_remapSelfEditPos(pos) {
const remap = this.editions.reduce((acc, edit) => {
const isAfterEdit = edit.from <= acc.offsetedPos;
if (!isAfterEdit) {
return acc;
}
const _isExpansionApplied = edit.from + edit.replacement.length > acc.offsetedPos;
const isOffsettedPosInEdit = edit.from <= acc.offsetedPos && edit.from + edit.replacement.length >= acc.offsetedPos;
const newAcc = {
offsetedPos: isOffsettedPosInEdit ?
edit.from :
acc.offsetedPos - (edit.replacement.length - edit.source.length),
isExpansionApplied: _isExpansionApplied || acc.isExpansionApplied,
};
return newAcc;
}, { offsetedPos: pos, isExpansionApplied: false });
return Object.assign(Object.assign({}, remap), { delta: remap.offsetedPos - pos });
}
}
exports.SourceMapLayer = SourceMapLayer;
//# sourceMappingURL=source-map-layer.js.map