创高项目初始化
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王文昊
405
client/node_modules/quill-delta/dist/Delta.js
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vendored
Normal file
405
client/node_modules/quill-delta/dist/Delta.js
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vendored
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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var fast_diff_1 = __importDefault(require("fast-diff"));
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var lodash_clonedeep_1 = __importDefault(require("lodash.clonedeep"));
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var lodash_isequal_1 = __importDefault(require("lodash.isequal"));
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var AttributeMap_1 = __importDefault(require("./AttributeMap"));
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var Op_1 = __importDefault(require("./Op"));
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var NULL_CHARACTER = String.fromCharCode(0); // Placeholder char for embed in diff()
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var Delta = /** @class */ (function () {
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function Delta(ops) {
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// Assume we are given a well formed ops
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if (Array.isArray(ops)) {
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this.ops = ops;
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}
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else if (ops != null && Array.isArray(ops.ops)) {
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this.ops = ops.ops;
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}
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else {
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this.ops = [];
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}
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}
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Delta.prototype.insert = function (arg, attributes) {
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var newOp = {};
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if (typeof arg === 'string' && arg.length === 0) {
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return this;
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}
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newOp.insert = arg;
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if (attributes != null &&
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typeof attributes === 'object' &&
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Object.keys(attributes).length > 0) {
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newOp.attributes = attributes;
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}
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return this.push(newOp);
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};
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Delta.prototype.delete = function (length) {
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if (length <= 0) {
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return this;
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}
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return this.push({ delete: length });
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};
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Delta.prototype.retain = function (length, attributes) {
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if (length <= 0) {
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return this;
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}
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var newOp = { retain: length };
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if (attributes != null &&
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typeof attributes === 'object' &&
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Object.keys(attributes).length > 0) {
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newOp.attributes = attributes;
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}
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return this.push(newOp);
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};
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Delta.prototype.push = function (newOp) {
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var index = this.ops.length;
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var lastOp = this.ops[index - 1];
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newOp = lodash_clonedeep_1.default(newOp);
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if (typeof lastOp === 'object') {
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if (typeof newOp.delete === 'number' &&
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typeof lastOp.delete === 'number') {
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this.ops[index - 1] = { delete: lastOp.delete + newOp.delete };
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return this;
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}
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// Since it does not matter if we insert before or after deleting at the same index,
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// always prefer to insert first
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if (typeof lastOp.delete === 'number' && newOp.insert != null) {
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index -= 1;
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lastOp = this.ops[index - 1];
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if (typeof lastOp !== 'object') {
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this.ops.unshift(newOp);
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return this;
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}
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}
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if (lodash_isequal_1.default(newOp.attributes, lastOp.attributes)) {
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if (typeof newOp.insert === 'string' &&
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typeof lastOp.insert === 'string') {
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this.ops[index - 1] = { insert: lastOp.insert + newOp.insert };
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if (typeof newOp.attributes === 'object') {
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this.ops[index - 1].attributes = newOp.attributes;
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}
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return this;
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}
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else if (typeof newOp.retain === 'number' &&
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typeof lastOp.retain === 'number') {
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this.ops[index - 1] = { retain: lastOp.retain + newOp.retain };
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if (typeof newOp.attributes === 'object') {
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this.ops[index - 1].attributes = newOp.attributes;
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}
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return this;
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}
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}
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}
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if (index === this.ops.length) {
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this.ops.push(newOp);
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}
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else {
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this.ops.splice(index, 0, newOp);
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}
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return this;
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};
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Delta.prototype.chop = function () {
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var lastOp = this.ops[this.ops.length - 1];
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if (lastOp && lastOp.retain && !lastOp.attributes) {
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this.ops.pop();
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}
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return this;
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};
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Delta.prototype.filter = function (predicate) {
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return this.ops.filter(predicate);
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};
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Delta.prototype.forEach = function (predicate) {
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this.ops.forEach(predicate);
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};
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Delta.prototype.map = function (predicate) {
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return this.ops.map(predicate);
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};
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Delta.prototype.partition = function (predicate) {
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var passed = [];
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var failed = [];
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this.forEach(function (op) {
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var target = predicate(op) ? passed : failed;
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target.push(op);
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});
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return [passed, failed];
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};
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Delta.prototype.reduce = function (predicate, initialValue) {
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return this.ops.reduce(predicate, initialValue);
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};
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Delta.prototype.changeLength = function () {
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return this.reduce(function (length, elem) {
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if (elem.insert) {
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return length + Op_1.default.length(elem);
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}
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else if (elem.delete) {
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return length - elem.delete;
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}
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return length;
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}, 0);
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};
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Delta.prototype.length = function () {
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return this.reduce(function (length, elem) {
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return length + Op_1.default.length(elem);
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}, 0);
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};
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Delta.prototype.slice = function (start, end) {
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if (start === void 0) { start = 0; }
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if (end === void 0) { end = Infinity; }
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var ops = [];
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var iter = Op_1.default.iterator(this.ops);
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var index = 0;
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while (index < end && iter.hasNext()) {
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var nextOp = void 0;
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if (index < start) {
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nextOp = iter.next(start - index);
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}
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else {
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nextOp = iter.next(end - index);
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ops.push(nextOp);
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}
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index += Op_1.default.length(nextOp);
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}
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return new Delta(ops);
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};
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Delta.prototype.compose = function (other) {
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var thisIter = Op_1.default.iterator(this.ops);
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var otherIter = Op_1.default.iterator(other.ops);
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var ops = [];
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var firstOther = otherIter.peek();
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if (firstOther != null &&
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typeof firstOther.retain === 'number' &&
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firstOther.attributes == null) {
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var firstLeft = firstOther.retain;
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while (thisIter.peekType() === 'insert' &&
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thisIter.peekLength() <= firstLeft) {
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firstLeft -= thisIter.peekLength();
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ops.push(thisIter.next());
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}
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if (firstOther.retain - firstLeft > 0) {
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otherIter.next(firstOther.retain - firstLeft);
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}
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}
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var delta = new Delta(ops);
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while (thisIter.hasNext() || otherIter.hasNext()) {
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if (otherIter.peekType() === 'insert') {
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delta.push(otherIter.next());
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}
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else if (thisIter.peekType() === 'delete') {
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delta.push(thisIter.next());
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}
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else {
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var length_1 = Math.min(thisIter.peekLength(), otherIter.peekLength());
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var thisOp = thisIter.next(length_1);
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var otherOp = otherIter.next(length_1);
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if (typeof otherOp.retain === 'number') {
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var newOp = {};
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if (typeof thisOp.retain === 'number') {
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newOp.retain = length_1;
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}
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else {
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newOp.insert = thisOp.insert;
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}
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// Preserve null when composing with a retain, otherwise remove it for inserts
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var attributes = AttributeMap_1.default.compose(thisOp.attributes, otherOp.attributes, typeof thisOp.retain === 'number');
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if (attributes) {
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newOp.attributes = attributes;
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}
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delta.push(newOp);
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// Optimization if rest of other is just retain
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if (!otherIter.hasNext() &&
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lodash_isequal_1.default(delta.ops[delta.ops.length - 1], newOp)) {
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var rest = new Delta(thisIter.rest());
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return delta.concat(rest).chop();
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}
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// Other op should be delete, we could be an insert or retain
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// Insert + delete cancels out
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}
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else if (typeof otherOp.delete === 'number' &&
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typeof thisOp.retain === 'number') {
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delta.push(otherOp);
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}
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}
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}
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return delta.chop();
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};
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Delta.prototype.concat = function (other) {
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var delta = new Delta(this.ops.slice());
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if (other.ops.length > 0) {
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delta.push(other.ops[0]);
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delta.ops = delta.ops.concat(other.ops.slice(1));
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}
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return delta;
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};
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Delta.prototype.diff = function (other, cursor) {
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if (this.ops === other.ops) {
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return new Delta();
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}
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var strings = [this, other].map(function (delta) {
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return delta
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.map(function (op) {
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if (op.insert != null) {
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return typeof op.insert === 'string' ? op.insert : NULL_CHARACTER;
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}
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var prep = delta === other ? 'on' : 'with';
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throw new Error('diff() called ' + prep + ' non-document');
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})
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.join('');
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});
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var retDelta = new Delta();
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var diffResult = fast_diff_1.default(strings[0], strings[1], cursor);
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var thisIter = Op_1.default.iterator(this.ops);
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var otherIter = Op_1.default.iterator(other.ops);
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diffResult.forEach(function (component) {
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var length = component[1].length;
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while (length > 0) {
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var opLength = 0;
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switch (component[0]) {
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case fast_diff_1.default.INSERT:
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opLength = Math.min(otherIter.peekLength(), length);
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retDelta.push(otherIter.next(opLength));
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break;
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case fast_diff_1.default.DELETE:
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opLength = Math.min(length, thisIter.peekLength());
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thisIter.next(opLength);
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retDelta.delete(opLength);
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break;
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case fast_diff_1.default.EQUAL:
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opLength = Math.min(thisIter.peekLength(), otherIter.peekLength(), length);
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var thisOp = thisIter.next(opLength);
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var otherOp = otherIter.next(opLength);
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if (lodash_isequal_1.default(thisOp.insert, otherOp.insert)) {
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retDelta.retain(opLength, AttributeMap_1.default.diff(thisOp.attributes, otherOp.attributes));
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}
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else {
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retDelta.push(otherOp).delete(opLength);
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}
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break;
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}
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length -= opLength;
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}
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});
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return retDelta.chop();
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};
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Delta.prototype.eachLine = function (predicate, newline) {
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if (newline === void 0) { newline = '\n'; }
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var iter = Op_1.default.iterator(this.ops);
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var line = new Delta();
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var i = 0;
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while (iter.hasNext()) {
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if (iter.peekType() !== 'insert') {
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return;
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}
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var thisOp = iter.peek();
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var start = Op_1.default.length(thisOp) - iter.peekLength();
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var index = typeof thisOp.insert === 'string'
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? thisOp.insert.indexOf(newline, start) - start
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: -1;
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if (index < 0) {
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line.push(iter.next());
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}
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else if (index > 0) {
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line.push(iter.next(index));
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}
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else {
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if (predicate(line, iter.next(1).attributes || {}, i) === false) {
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return;
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}
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i += 1;
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line = new Delta();
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}
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}
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if (line.length() > 0) {
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predicate(line, {}, i);
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}
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};
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Delta.prototype.invert = function (base) {
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var inverted = new Delta();
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this.reduce(function (baseIndex, op) {
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if (op.insert) {
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inverted.delete(Op_1.default.length(op));
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}
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else if (op.retain && op.attributes == null) {
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inverted.retain(op.retain);
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return baseIndex + op.retain;
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}
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else if (op.delete || (op.retain && op.attributes)) {
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var length_2 = (op.delete || op.retain);
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var slice = base.slice(baseIndex, baseIndex + length_2);
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slice.forEach(function (baseOp) {
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if (op.delete) {
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inverted.push(baseOp);
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}
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else if (op.retain && op.attributes) {
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inverted.retain(Op_1.default.length(baseOp), AttributeMap_1.default.invert(op.attributes, baseOp.attributes));
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}
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});
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return baseIndex + length_2;
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}
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return baseIndex;
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}, 0);
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return inverted.chop();
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};
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Delta.prototype.transform = function (arg, priority) {
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if (priority === void 0) { priority = false; }
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priority = !!priority;
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if (typeof arg === 'number') {
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return this.transformPosition(arg, priority);
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}
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var other = arg;
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var thisIter = Op_1.default.iterator(this.ops);
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var otherIter = Op_1.default.iterator(other.ops);
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var delta = new Delta();
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while (thisIter.hasNext() || otherIter.hasNext()) {
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if (thisIter.peekType() === 'insert' &&
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(priority || otherIter.peekType() !== 'insert')) {
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delta.retain(Op_1.default.length(thisIter.next()));
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}
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else if (otherIter.peekType() === 'insert') {
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delta.push(otherIter.next());
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}
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else {
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var length_3 = Math.min(thisIter.peekLength(), otherIter.peekLength());
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var thisOp = thisIter.next(length_3);
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var otherOp = otherIter.next(length_3);
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if (thisOp.delete) {
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// Our delete either makes their delete redundant or removes their retain
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continue;
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}
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else if (otherOp.delete) {
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delta.push(otherOp);
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}
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else {
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// We retain either their retain or insert
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delta.retain(length_3, AttributeMap_1.default.transform(thisOp.attributes, otherOp.attributes, priority));
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}
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}
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}
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return delta.chop();
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};
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Delta.prototype.transformPosition = function (index, priority) {
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if (priority === void 0) { priority = false; }
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priority = !!priority;
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var thisIter = Op_1.default.iterator(this.ops);
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var offset = 0;
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while (thisIter.hasNext() && offset <= index) {
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var length_4 = thisIter.peekLength();
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var nextType = thisIter.peekType();
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thisIter.next();
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if (nextType === 'delete') {
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index -= Math.min(length_4, index - offset);
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continue;
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}
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else if (nextType === 'insert' && (offset < index || !priority)) {
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index += length_4;
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}
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offset += length_4;
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}
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return index;
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};
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Delta.Op = Op_1.default;
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Delta.AttributeMap = AttributeMap_1.default;
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return Delta;
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}());
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module.exports = Delta;
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//# sourceMappingURL=Delta.js.map
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Reference in New Issue
Block a user